Gunnison-Crested Butte Regional to City Of Colorado Springs Municipal GUC → COS
106 nautical miles (122 statute miles) east on a straight line, true course 080°, about 068° magnetic at the departure end (variation 12E). At 120 knots that is 35 min at the quickest height in today's winds (34,000 ft, a 64-knot tailwind), arriving about 7:31 am MDT (13:31 UTC). Right now GUC is VFR, wind from the northwest (320°) at 4 knots; COS is IFR, wind from the east (100°) at 5 knots. For planning, not a briefing: the legal preflight briefing comes from Flight Service (1-800-WX-BRIEF) or the FAA's own tools. Airlines fly this pair: 5 flights in the DOT's last twelve reported months, the route's page.
The route the straight line, the warnings crossed, restrictions, pilot reports and the airports along the way · click a mark for its words
Green, blue, red and purple airport dots are the flying conditions reported there now (VFR, marginal VFR, IFR, low IFR); grey means no report. Red areas are SIGMETs, orange areas AIRMETs, hatched red areas temporary flight restrictions. Map tiles: OpenFreeMap, data © OpenStreetMap contributors.
Warnings the route crosses SIGMETs and AIRMETs whose area the line passes through or comes within 25 nm of
- AIRMET SIERRA 9E: low cloud or poor visibility (IFR conditions) (due to ceilings below 1,000 ft, visibility below 3 miles, precipitation, mist). Over the whole route.
- AIRMET ZULU 2C: moderate icing up to 23,000 ft. Over the first 29 nm of the route.
- AIRMET TANGO 1W: moderate turbulence below 18,000 ft up to 18,000 ft. Over the first 10 nm of the route.
- AIRMET SIERRA 1E: mountains obscured by cloud (due to mountains obscured by clouds, precipitation, mist). Over the whole route.
Turbulence AIRMET in force: moderate turbulence up to 18,000 ft, over the first 10 nm of the route. 3 pilot reports of turbulence near the line in the last three hours: light chop turbulence, at 22,000 ft, 26 nm west, 5:25 am MDT (11:25 UTC); light chop turbulence, at 23,500 ft, 30 nm north, 5:38 am MDT (11:38 UTC). The government's turbulence forecast map ↗
Icing AIRMET in force: moderate icing up to 23,000 ft, over the first 29 nm of the route. 1 pilot report of icing near the line in the last three hours: light rime icing, at 22,000 ft, 26 nm west, 5:25 am MDT (11:25 UTC). The freezing level is about 13,000 ft (from the winds-aloft temperatures), so icing is possible in cloud above that. The government's icing forecast map ↗
A SIGMET warns of weather hazardous to all aircraft; an AIRMET of weather that matters to small aircraft and to flying without instruments. "From 60 to 180 nm out" is measured along the route from GUC.
Pilot reports along the route within 50 nm of the line, last three hours, the serious ones first
- C441 at 22,000 ft, 26 nm west, 5:25 am MDT (11:25 UTC): light chop turbulence, light rime icing, -17 °C, remarks: during the climb departure KAJZ zdvwc. At the departure end, 26 nm west of the line.
as filed, and in English
MTJ UA /OV MTJ078020/TM 1125/FL220/TP C441/TA M17/TB LGT CHOP/IC LGT RIME/RM DURC DEP KAJZ. ZDVWC
- Report
- a routine report filed through MTJ
- Where
- 20 nm east (078°) of MTJ
- Time
- 11:25 UTC
- Height
- at 22,000 ft
- Aircraft
- C441
- Temperature
- −17 °C
- Turbulence
- light chop
- Icing
- light rime
- Remarks
- during the climb departure KAJZ zdvwc
- B752 at 23,500 ft, 30 nm north, 5:38 am MDT (11:38 UTC): light chop turbulence, remarks: during the descent from 28,000 ft to 23,500 ft ZDVWC-26. 38 nm along the route, 30 nm north of the line.
as filed, and in English
ASE UA /OV DBL105039/TM 1138/FL235/TP B752/TB LGT CHOP/RM DURD 280-235 ZDVWC-26
- Report
- a routine report filed through ASE
- Where
- 39 nm east (105°) of DBL
- Time
- 11:38 UTC
- Height
- at 23,500 ft
- Aircraft
- B752
- Turbulence
- light chop
- Remarks
- during the descent from 28,000 ft to 23,500 ft ZDVWC-26
- E75L at 24,500 ft, 15 nm north, 6:09 am MDT (12:09 UTC): no turbulence, remarks: during the descent ZDVWC-26. 58 nm along the route, 15 nm north of the line.
as filed, and in English
ASE UA /OV DBL107061/TM 1209/FL245/TP E75L/TB NEG/RM DURD ZDVWC-26
- Report
- a routine report filed through ASE
- Where
- 61 nm east (107°) of DBL
- Time
- 12:09 UTC
- Height
- at 24,500 ft
- Aircraft
- E75L
- Turbulence
- none
- Remarks
- during the descent ZDVWC-26
- B763 at 23,500 ft, 19 nm north, 4:59 am MDT (10:59 UTC): no turbulence, remarks: during the descent ZDVWC-26. 58 nm along the route, 19 nm north of the line.
as filed, and in English
DEN UA /OV DEN217069/TM 1059/FL235/TP B763/TB NEG/RM DURD. ZDVWC-26
- Report
- a routine report filed through DEN
- Where
- 69 nm southwest (217°) of DEN
- Time
- 10:59 UTC
- Height
- at 23,500 ft
- Aircraft
- B763
- Turbulence
- none
- Remarks
- during the descent ZDVWC-26
- P28A at 2,400 ft, 14 nm east, 6:38 am MDT (12:38 UTC): vmc. At the destination end, 14 nm east of the line.
as filed, and in English
MKG UA /OV CO4/TM 1238/FL024/TP P28A/SK VMC 024
- Report
- a routine report filed through MKG
- Where
- over CO4
- Time
- 12:38 UTC
- Height
- at 2,400 ft
- Aircraft
- P28A
- Sky
- visual conditions at 2,400 ft
- PC12 at 8,000 ft, 46 nm north, 6:08 am MDT (12:08 UTC): light chop turbulence, no icing, overcast from 7,300 ft to 12,200 ft. At the destination end, 46 nm north of the line.
as filed, and in English
DEN UA /OV DEN210020/TM 1208/FL080/TP PC12/SK OVC073 TOP122/TB LT CHOP/IC NEG
- Report
- a routine report filed through DEN
- Where
- 20 nm southwest (210°) of DEN
- Time
- 12:08 UTC
- Height
- at 8,000 ft
- Aircraft
- PC12
- Sky
- overcast from 7,300 ft, tops 12,200 ft
- Turbulence
- lt chop
- Icing
- none
- CRJ7 climbing, 5 nm south, 6:05 am MDT (12:05 UTC): remarks: B005 T105. At the destination end, 5 nm south of the line.
as filed, and in English
COS UA /OV 5S COS/TM 1205/FLDURC/TP CRJ7/RM B005 T105
- Report
- a routine report filed through COS
- Where
- 5S cos
- Time
- 12:05 UTC
- Height
- during the climb
- Aircraft
- CRJ7
- Remarks
- B005 T105
Winds aloft along the route, and the time en route the forecast for use 08:00–15:00 UTC · at 120 knots true airspeed
The eastbound cruising heights for this course (VFR: odd thousands plus 500 ft; above 18,000 ft the forecast levels), with the wind averaged along the line from the 2 forecast points nearest it (ALS, PUB). A plus sign is a headwind, a minus sign a tailwind.
| Height | Average wind | Head- or tailwind | Temperature | Ground speed | Time en route | Arrival |
|---|---|---|---|---|---|---|
| 7,500 ft | 180° at 11 kt | −2 kt | 7 °C | 122 kt | 52 min | 7:48 am MDT (13:48 UTC) |
| 9,500 ft | 180° at 13 kt | −3 kt | 6 °C | 123 kt | 52 min | 7:48 am MDT (13:48 UTC) |
| 11,500 ft | 180° at 21 kt | −5 kt | 3 °C | 125 kt | 51 min | 7:47 am MDT (13:47 UTC) |
| 13,500 ft | 200° at 27 kt | −12 kt | -1 °C | 132 kt | 48 min | 7:44 am MDT (13:44 UTC) |
| 15,500 ft | 210° at 35 kt | −21 kt | -6 °C | 141 kt | 45 min | 7:41 am MDT (13:41 UTC) |
| 17,500 ft | 210° at 44 kt | −30 kt | -10 °C | 150 kt | 42 min | 7:38 am MDT (13:38 UTC) |
| 18,000 ft FL180 | 220° at 46 kt | −32 kt | -11 °C | 152 kt | 42 min | 7:38 am MDT (13:38 UTC) |
| 24,000 ft FL240 | 210° at 55 kt | −38 kt | -21 °C | 158 kt | 40 min | 7:36 am MDT (13:36 UTC) |
| 30,000 ft FL300 | 210° at 90 kt | −57 kt | -35 °C | 177 kt | 36 min | 7:32 am MDT (13:32 UTC) |
| 34,000 ft FL340 | 210° at 101 kt | −64 kt | -40 °C | 184 kt | 35 min | 7:31 am MDT (13:31 UTC) |
| 39,000 ft FL390 | 210° at 97 kt | −61 kt | -48 °C | 181 kt | 35 min | 7:31 am MDT (13:31 UTC) |
Based on data from the 14th at 06:00 UTC; valid on the 14th at 12:00 UTC for use 08:00 to 15:00 UTC; temperatures above 24,000 ft are below zero. Heights are above sea level; a height is left out when the forecast has no wind for it over most of the line (the ground is higher). Ground speed is the airspeed less the headwind; the time en route is for the straight line and ignores climb, descent and routing around weather.
The forecast points as issued
| Point | From | 3,000 | 6,000 | 9,000 | 12,000 | 18,000 | 24,000 | 30,000 | 34,000 | 39,000 |
|---|---|---|---|---|---|---|---|---|---|---|
| ALS | used from 0 nm out; 75 nm from the line | 180/24 2° | 210/47 -12° | 210/63 -22° | 210/90 -36° | 210/102 -40° | 210/96 -48° | |||
| PUB | used from 48 nm out; 50 nm from the line | 180/11 7° | 190/21 2° | 220/45 -11° | 220/49 -21° | 210/90 -35° | 210/101 -40° | 210/97 -48° |
The weather now: both ends and the airports along the way public airports with a weather report within 25 nm of the line, one for each stretch
| Airport | Where | Conditions | Wind | Visibility | Ceiling | Elevation | Reported |
|---|---|---|---|---|---|---|---|
| GUC Gunnison, CO | departure | VFR Sky: overcast at 4,500 feet Weather: light rain | from the northwest (320°) at 4 knots | 10+ mi | 4,500 ft | 7,679 ft | 5:56 am MDT (11:56 UTC) |
| ANK Salida, CO | 38 nm out, 7 nm southeast of the line | marginal VFR Sky: a broken layer at 1,200 feet, overcast at 1,800 feet | from the east-southeast (120°) at 11 knots, gusting to 16 | 10+ mi | 1,200 ft | 7,523 ft | 12:35 UTC |
| COS Colorado Springs, CO | destination | IFR Sky: overcast at 500 feet Weather: light drizzle, mist | from the east (100°) at 5 knots | 3 mi | 500 ft | 6,187 ft | 6:54 am MDT (12:54 UTC) |
The highest airport on this list sits at 7,679 ft; the ground between airports is higher still. Check the sectional chart for the terrain and the minimum safe heights along the line.
The codes as issued, and in English, for every airport in the table
GUC Gunnison, CO
the observation and the forecast as issued, and in English
METAR KGUC 141156Z AUTO 32004KT 10SM -RA OVC045 07/06 A3003 RMK AO2 RAB24 SLP118 P0001 60001 70011 T00670056 10083 20061 55010 $
- METAR
- a routine hourly observation
- KGUC
- the station, KGUC
- 141156Z
- observed 5:56 am MDT (11:56 UTC)
- AUTO
- fully automated report, nobody checked it
- 32004KT
- wind from the northwest at 4 knots
- 10SM
- visibility 10 miles
- -RA
- light rain
- OVC045
- overcast at 4,500 feet
- 07/06
- temperature 7 °C (45 °F), dew point 6 °C (43 °F)
- A3003
- altimeter setting 30.03 inches of mercury
- RMK
- remarks follow
- AO2
- automated station with a precipitation sensor
- RAB24
- rain began 24 minutes past the hour
- SLP118
- sea-level pressure 1011.8 hPa
- P0001
- 0.01 inches of precipitation in the last hour
- 60001
- 0.01 inches of precipitation in the last three or six hours
- 70011
- 0.11 inches of precipitation in the last 24 hours
- T00670056
- temperature 6.7 °C (44 °F), dew point 5.6 °C (42 °F)
- 10083
- highest temperature in the last six hours 8.3 °C (47 °F)
- 20061
- lowest temperature in the last six hours 6.1 °C (43 °F)
- 55010
- pressure in the last three hours falling, then rising, change 1.0 hPa
- $
- the station needs maintenance
TAF KGUC 141120Z 1412/1512 35005KT P6SM -SHRA OVC020 PROB30 1412/1418 2SM -SHRA BR OVC020 FM141800 22010KT P6SM -SHRA OVC050 TEMPO 1418/1422 3SM -SHRA BR OVC030 FM150100 25009KT 3SM -SHRASN SCT008 BKN015
- TAF
- a terminal aerodrome forecast: the weather expected at the airport, usually for the next 24 or 30 hours
- KGUC
- the station, KGUC
- 141120Z
- issued 5:20 am MDT (11:20 UTC)
- 1412/1512 35005KT P6SM -SHRA OVC020
- valid from Wed 6:00 am MDT (12:00 UTC) to Thu 6:00 am MDT (12:00 UTC): wind from the north at 5 knots, visibility more than 6 miles, light rain showers, overcast at 2,000 feet
- PROB30 1412/1418 2SM -SHRA BR OVC020
- a 30% chance from Wed 6:00 am MDT (12:00 UTC) to Wed 12:00 pm MDT (18:00 UTC): visibility 2 miles, light rain showers, mist, overcast at 2,000 feet
- FM141800 22010KT P6SM -SHRA OVC050
- from Wed 12:00 pm MDT (18:00 UTC): wind from the southwest at 10 knots, visibility more than 6 miles, light rain showers, overcast at 5,000 feet
- TEMPO 1418/1422 3SM -SHRA BR OVC030
- at times from Wed 12:00 pm MDT (18:00 UTC) to Wed 4:00 pm MDT (22:00 UTC): visibility 3 miles, light rain showers, mist, overcast at 3,000 feet
- FM150100 25009KT 3SM -SHRASN SCT008 BKN015
- from Wed 7:00 pm MDT (01:00 UTC): wind from the west-southwest at 9 knots, visibility 3 miles, light showers rain snow, scattered clouds at 800 feet, a broken layer at 1,500 feet
ANK Salida, CO
the observation as issued, and in English
METAR KANK 141235Z AUTO 12011G16KT 10SM BKN012 OVC018 07/07 A3008 RMK AO2 CIG 008V015 T00710066 $
- METAR
- a routine hourly observation
- KANK
- the station, KANK
- 141235Z
- observed 12:35 UTC on the 14th
- AUTO
- fully automated report, nobody checked it
- 12011G16KT
- wind from the east-southeast at 11 knots, gusting to 16
- 10SM
- visibility 10 miles
- BKN012
- a broken layer at 1,200 feet
- OVC018
- overcast at 1,800 feet
- 07/07
- temperature 7 °C (45 °F), dew point 7 °C (45 °F)
- A3008
- altimeter setting 30.08 inches of mercury
- RMK
- remarks follow
- AO2
- automated station with a precipitation sensor
- CIG 008V015
- ceiling varying between 800 and 1,500 feet
- T00710066
- temperature 7.1 °C (45 °F), dew point 6.6 °C (44 °F)
- $
- the station needs maintenance
COS Colorado Springs, CO
the observation and the forecast as issued, and in English
METAR KCOS 141254Z 10005KT 3SM -DZ BR OVC005 06/06 A3015 RMK AO2 SLP179 P0000 T00610056 $
- METAR
- a routine hourly observation
- KCOS
- the station, KCOS
- 141254Z
- observed 6:54 am MDT (12:54 UTC)
- 10005KT
- wind from the east at 5 knots
- 3SM
- visibility 3 miles
- -DZ
- light drizzle
- BR
- mist
- OVC005
- overcast at 500 feet
- 06/06
- temperature 6 °C (43 °F), dew point 6 °C (43 °F)
- A3015
- altimeter setting 30.15 inches of mercury
- RMK
- remarks follow
- AO2
- automated station with a precipitation sensor
- SLP179
- sea-level pressure 1017.9 hPa
- P0000
- a trace of precipitation in the last hour
- T00610056
- temperature 6.1 °C (43 °F), dew point 5.6 °C (42 °F)
- $
- the station needs maintenance
TAF KCOS 141121Z 1412/1512 14009KT 3SM BR VCSH SCT004 OVC014 TEMPO 1412/1415 1SM SHRA BR OVC004 FM141500 14009KT P6SM SCT004 OVC014 PROB30 1415/1419 3SM -SHRA BR OVC005 FM141900 13012KT 2SM -SHRA BR OVC008 FM142200 18007KT 2SM -SHRA BR OVC008 FM150200 15006KT P6SM BKN009 FM150600 01007KT P6SM OVC007
- TAF
- a terminal aerodrome forecast: the weather expected at the airport, usually for the next 24 or 30 hours
- KCOS
- the station, KCOS
- 141121Z
- issued 5:21 am MDT (11:21 UTC)
- 1412/1512 14009KT 3SM BR VCSH SCT004 OVC014
- valid from Wed 6:00 am MDT (12:00 UTC) to Thu 6:00 am MDT (12:00 UTC): wind from the southeast at 9 knots, visibility 3 miles, mist, vcsh, scattered clouds at 400 feet, overcast at 1,400 feet
- TEMPO 1412/1415 1SM SHRA BR OVC004
- at times from Wed 6:00 am MDT (12:00 UTC) to Wed 9:00 am MDT (15:00 UTC): visibility 1 mile, rain showers, mist, overcast at 400 feet
- FM141500 14009KT P6SM SCT004 OVC014
- from Wed 9:00 am MDT (15:00 UTC): wind from the southeast at 9 knots, visibility more than 6 miles, scattered clouds at 400 feet, overcast at 1,400 feet
- PROB30 1415/1419 3SM -SHRA BR OVC005
- a 30% chance from Wed 9:00 am MDT (15:00 UTC) to Wed 1:00 pm MDT (19:00 UTC): visibility 3 miles, light rain showers, mist, overcast at 500 feet
- FM141900 13012KT 2SM -SHRA BR OVC008
- from Wed 1:00 pm MDT (19:00 UTC): wind from the southeast at 12 knots, visibility 2 miles, light rain showers, mist, overcast at 800 feet
- FM142200 18007KT 2SM -SHRA BR OVC008
- from Wed 4:00 pm MDT (22:00 UTC): wind from the south at 7 knots, visibility 2 miles, light rain showers, mist, overcast at 800 feet
- FM150200 15006KT P6SM BKN009
- from Wed 8:00 pm MDT (02:00 UTC): wind from the south-southeast at 6 knots, visibility more than 6 miles, a broken layer at 900 feet
- FM150600 01007KT P6SM OVC007
- from Thu 12:00 am MDT (06:00 UTC): wind from the north at 7 knots, visibility more than 6 miles, overcast at 700 feet
At COS when you get there the forecast at the estimated arrival, 7:31 am MDT (13:31 UTC)
Wind from the southeast at 9 knots, visibility 3 miles, mist, showers nearby, scattered clouds at 400 feet, overcast at 1,400 feet marginal VFR
At times between Wed 6:00 am MDT (12:00 UTC) and 9:00 am MDT (15:00 UTC): visibility 1 mile, rain showers, mist, overcast at 400 feet low IFR
The whole forecast for COS
- From Wed 6:00 am MDT (12:00 UTC): wind from the southeast at 9 knots, visibility 3 miles, mist, showers nearby, scattered clouds at 400 feet, overcast at 1,400 feet
- At times between Wed 6:00 am MDT (12:00 UTC) and 9:00 am MDT (15:00 UTC): visibility 1 mile, rain showers, mist, overcast at 400 feet
- From Wed 9:00 am MDT (15:00 UTC): wind from the southeast at 9 knots, visibility more than 6 miles, scattered clouds at 400 feet, overcast at 1,400 feet
- 30% chance between Wed 9:00 am MDT (15:00 UTC) and 1:00 pm MDT (19:00 UTC): visibility 3 miles, light rain showers, mist, overcast at 500 feet
- From Wed 1:00 pm MDT (19:00 UTC): wind from the southeast at 12 knots, visibility 2 miles, light rain showers, mist, overcast at 800 feet
- From Wed 4:00 pm MDT (22:00 UTC): wind from the south at 7 knots, visibility 2 miles, light rain showers, mist, overcast at 800 feet
- From Wed 8:00 pm MDT (02:00 UTC): wind from the south-southeast at 6 knots, visibility more than 6 miles, a broken layer at 900 feet
- From Thu 12:00 am MDT (06:00 UTC): wind from the north at 7 knots, visibility more than 6 miles, overcast at 700 feet
The forecast for GUC, the departure
- From Wed 6:00 am MDT (12:00 UTC): wind from the north at 5 knots, visibility more than 6 miles, light rain showers, overcast at 2,000 feet
- 30% chance between Wed 6:00 am MDT (12:00 UTC) and 12:00 pm MDT (18:00 UTC): visibility 2 miles, light rain showers, mist, overcast at 2,000 feet
- From Wed 12:00 pm MDT (18:00 UTC): wind from the southwest at 10 knots, visibility more than 6 miles, light rain showers, overcast at 5,000 feet
- At times between Wed 12:00 pm MDT (18:00 UTC) and 4:00 pm MDT (22:00 UTC): visibility 3 miles, light rain showers, mist, overcast at 3,000 feet
- From Wed 7:00 pm MDT (01:00 UTC): wind from the west-southwest at 9 knots, visibility 3 miles, light showers rain snow, scattered clouds at 800 feet, a broken layer at 1,500 feet
COS: the forecast as issued, and in English
TAF KCOS 141121Z 1412/1512 14009KT 3SM BR VCSH SCT004 OVC014 TEMPO 1412/1415 1SM SHRA BR OVC004 FM141500 14009KT P6SM SCT004 OVC014 PROB30 1415/1419 3SM -SHRA BR OVC005 FM141900 13012KT 2SM -SHRA BR OVC008 FM142200 18007KT 2SM -SHRA BR OVC008 FM150200 15006KT P6SM BKN009 FM150600 01007KT P6SM OVC007
GUC: the forecast as issued, and in English
TAF KGUC 141120Z 1412/1512 35005KT P6SM -SHRA OVC020 PROB30 1412/1418 2SM -SHRA BR OVC020 FM141800 22010KT P6SM -SHRA OVC050 TEMPO 1418/1422 3SM -SHRA BR OVC030 FM150100 25009KT 3SM -SHRASN SCT008 BKN015
Temporary flight restrictions on the line or within 25 nm of it
No temporary flight restriction on or near this route right now.
Notices to air missions closures and things out of service at both ends; airspace, navigation aids and obstructions near the line
GUC: 13 notices in force, 1 starting within a week. all of them, grouped →
COS: 27 notices in force. all of them, grouped →
- closed Apron east Terminal APN northeast 100 ft closed until Fri 23 Oct, 3:00 pm MDT (21:00 UTC) · COS 10/015
as issued
!COS 10/015 COS APRON EAST TERMINAL APN NE 100FT CLSD 2610051412-2610232100
2 notices near the line (airspace and special activity within 25 nm, navigation aids within 25 nm, obstructions within 5 nm):
- Airspace SEE BRK 04/434 aerobatic aircraft daily SR-SS until Tue 31 Aug 2027, 7:30 pm MDT (01:30 UTC) · Daily:SR-SS~DLY SR-SS · 106 nm along the route, 14 nm off the line · CO4 04/075
as issued
!COS 04/075 CO4 AIRSPACE SEE BRK 04/434 AEROBATIC ACFT DLY SR-SS 2504151222-2709010130
- Airspace aerobatic aircraft within an area defined as 1 nautical miles radius of 39°13′N 104°35′W (16.4 nautical miles north FLY) 600 ft-4,000 ft above ground level daily SR-SS until Tue 31 Aug 2027, 7:30 pm MDT (01:30 UTC) · Daily:SR-SS~DLY SR-SS · 106 nm along the route, 9 nm off the line · BRK 04/434
as issued
!DEN 04/434 BRK AIRSPACE AEROBATIC ACFT WI AN AREA DEFINED AS 1NM RADIUS OF 391338N1043505W (16.4NM N FLY) 600FT-4000FT AGL DLY SR-SS 2504151222-2709010130
From the FAA's notice service (NOTAMs), the site's copy refreshed every few minutes; last checked a minute ago. The FAA has so far issued eFlight its test feed, which misses some notices (checked against the FAA's own search on 12 October: about a third missing at Santa Barbara and Burbank, none at Atlanta or Las Vegas); the request for the full feed is with the FAA. Times are local to the field. This is for planning; the legal briefing comes from Flight Service or the FAA's own tools.
Daylight
Sunset at GUC 6:29 pm MDT (00:29 UTC), at COS 6:20 pm MDT (00:20 UTC) (civil twilight ends 6:47 pm MDT (00:47 UTC)).
Each restriction opens the FAA's own page with the exact area, heights and times.
The wind over the route live wind map, from Windy.com · drag the time bar for the coming hours; the level menu changes the height
Colours show wind speed, the moving lines its direction, at the surface unless you pick a height. Map and forecast by Windy.com; a second opinion beside the government's winds-aloft table above.
Radar and forecast charts for the regions crossed government pictures, the latest each time the page loads · the turbulence and icing forecasts: turbulence ↗ · icing ↗
Sources: the Aviation Weather Center's data service (SIGMETs, AIRMETs, graphical AIRMETs, pilot reports, winds and temperatures aloft, observations and terminal forecasts), the National Weather Service radar, the Weather Prediction Center's charts, the FAA's temporary flight restriction list and shapes, and the FAA's airport file for the positions, elevations and magnetic variation. Fetched when the page is viewed and kept a few minutes. Each leg is the straight line between its two airports; airways, terrain and airspace are not considered. The airports in detail: Gunnison-Crested Butte Regional, City Of Colorado Springs Municipal.