Jackson Hole Airport to Aspen-Pitkin County/Sardy Field JAC → ASE
316 nautical miles (363 statute miles) southeast on a straight line, true course 145°, about 132° magnetic at the departure end (variation 13E). At 120 knots that is 2 h 51 min at the quickest height in today's winds (39,000 ft, a 9-knot headwind), arriving about 12:14 am MDT (06:14 UTC), after sunset at the destination. Right now JAC is VFR, wind from the south-southeast (160°) at 10 knots; ASE is VFR, wind from the west-southwest (240°) 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: 1 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 4E: low cloud or poor visibility (IFR conditions) (due to ceilings below 1,000 ft, visibility below 3 miles, precipitation, mist). Over the first 20 nm of the route.
- AIRMET TANGO 1W: low-level wind shear (due to air speed loss or gain of 20 knots or more below 2,000 ft above the ground). Over the whole route.
- AIRMET ZULU 2C: moderate icing up to 23,000 ft. Over the first 217 nm of the route.
- AIRMET TANGO 4W: moderate turbulence below 18,000 ft up to 18,000 ft. Over the whole route.
- AIRMET SIERRA 1E: mountains obscured by cloud (due to mountains obscured by clouds, precipitation, mist). Over the first 207 nm of the route.
- AIRMET TANGO 4W: moderate turbulence above 18,000 ft from 18,000 ft to 36,000 ft. Over the last 296 nm of the route.
- AIRMET TANGO 5W: strong surface winds (30 knots or more) (due to sustained surface winds greater than 30 knots). Over the route from 118 to 178 nm out.
- AIRMET SIERRA 1E: mountains obscured by cloud (due to mountains obscured by clouds, precipitation, mist). Near the route, 296 nm along the route.
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 JAC.
Pilot reports along the route within 50 nm of the line, last three hours, the serious ones first
- S22T at 15,000 ft, 41 nm northeast, 7:47 pm MDT (01:47 UTC): moderate rime icing above 15,000 ft, -5 °C. At the departure end, 41 nm northeast of the line.
as filed, and in English
JAC UA /OV DNW010020/TM 0147/FL150/TP S22T/TA M05/IC MOD RIME 150 /ZLC
- Report
- a routine report filed through JAC
- Where
- 20 nm north (010°) of DNW
- Time
- 01:47 UTC
- Height
- at 15,000 ft
- Aircraft
- S22T
- Temperature
- −5 °C
- Icing
- moderate rime at 15,000 ft zlc
- E75L at 28,000 ft, 15 nm northeast, 7:31 pm MDT (01:31 UTC): moderate turbulence, remarks: ZDVWC-03. 266 nm along the route, 15 nm northeast of the line.
as filed, and in English
EEO UA /OV EKR085036/TM 0131/FL280/TP E75L/TB MOD/RM ZDVWC-03
- Report
- a routine report filed through EEO
- Where
- 36 nm east (085°) of EKR
- Time
- 01:31 UTC
- Height
- at 28,000 ft
- Aircraft
- E75L
- Turbulence
- moderate
- Remarks
- ZDVWC-03
- A320 descending, 1 nm north, 6:54 pm MDT (00:54 UTC): overcast above 7,500 ft, remarks: braking action good during the descent runway 19. At the departure end, 1 nm north of the line.
as filed, and in English
JAC UA /OV JAC/TM 0054/FLUNKN/TP A320/SK OVC075/RM BRAKING ACTION GOOD DURD RY19
- Report
- a routine report filed through JAC
- Where
- over JAC
- Time
- 00:54 UTC
- Height
- height not given
- Aircraft
- A320
- Sky
- overcast from 7,500 ft
- Remarks
- braking action good during the descent runway 19
- UAL2395 at 37,000 ft, 6 nm west, 6:58 pm MDT (00:58 UTC): no turbulence, wind 240° at 70 knots. 148 nm along the route, 6 nm west of the line.
as filed, and in English
ARP UAL2395 4135N 10900W 0058 F370 240/070KT TB NONE SK CLEAR IC NONE
- Report
- a routine report filed through ARP
- CL35 at 41,000 ft, 42 nm northeast, 8:40 pm MDT (02:40 UTC): remarks: mtw +/-50FT a 15-knot loss of airspeed ZDVWC-05. 286 nm along the route, 42 nm northeast of the line.
as filed, and in English
EGE UA /OV RLG/TM 0240/FL410/TP CL35/RM MTW +/-50FT +/-15KT ZDVWC-05
- Report
- a routine report filed through EGE
- Where
- over RLG
- Time
- 02:40 UTC
- Height
- at 41,000 ft
- Aircraft
- CL35
- Remarks
- mtw +/-50FT a 15-knot loss of airspeed ZDVWC-05
- B738 at 32,000 ft, 36 nm northeast, 7:42 pm MDT (01:42 UTC): light to moderate turbulence up to 30,000 ft, remarks: during the climb ZDVWC-05. 296 nm along the route, 36 nm northeast of the line.
as filed, and in English
EGE UA /OV RLG160014/TM 0142/FL320/TP B738/TB LGT-MOD BLO 300/RM DURC ZDVWC-05
- Report
- a routine report filed through EGE
- Where
- 14 nm south (160°) of RLG
- Time
- 01:42 UTC
- Height
- at 32,000 ft
- Aircraft
- B738
- Turbulence
- light to moderate below 30,000 ft
- Remarks
- during the climb ZDVWC-05
- SW4 at 20,000 ft, 41 nm south, 7:00 pm MDT (01:00 UTC): light rime icing, 0 °C, remarks: ZDVWC-12. At the destination end, 41 nm south of the line.
as filed, and in English
GUC UA /OV GUC/TM 0100/FL200/TP SW4/TA 00/IC LGT RIME/RM ZDVWC-12
- Report
- a routine report filed through GUC
- Where
- over GUC
- Time
- 01:00 UTC
- Height
- at 20,000 ft
- Aircraft
- SW4
- Temperature
- 0 °C
- Icing
- light rime
- Remarks
- ZDVWC-12
- LJ60 at 15,000 ft, 35 nm southwest, 6:28 pm MDT (00:28 UTC): light to moderate icing from 16,500 ft to 19,000 ft, -13 °C, remarks: during the descent zdvwc. At the destination end, 35 nm southwest of the line.
as filed, and in English
MTJ UA /OV MTJ030030/TM 0028/FL150/TP LJ60/TA M13/IC LGT-MOD 190-165/RM DURD ZDVWC
- Report
- a routine report filed through MTJ
- Where
- 30 nm northeast (030°) of MTJ
- Time
- 00:28 UTC
- Height
- at 15,000 ft
- Aircraft
- LJ60
- Temperature
- −13 °C
- Icing
- light to moderate from 19,000 ft to 16,500 ft
- Remarks
- during the descent zdvwc
Winds aloft along the route, and the time en route the forecast for use 02:00–09:00 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 3 forecast points nearest it (LND, RKS, GJT). 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 | 200° at 36 kt | +20 kt | 6 °C | 100 kt | 3 h 10 min | 12:33 am MDT (06:33 UTC) |
| 9,500 ft | 210° at 36 kt | +18 kt | 5 °C | 102 kt | 3 h 06 min | 12:29 am MDT (06:29 UTC) |
| 11,500 ft | 220° at 39 kt | +11 kt | 2 °C | 109 kt | 2 h 54 min | 12:17 am MDT (06:17 UTC) |
| 13,500 ft | 220° at 40 kt | +10 kt | -2 °C | 110 kt | 2 h 52 min | 12:15 am MDT (06:15 UTC) |
| 15,500 ft | 220° at 40 kt | +11 kt | -6 °C | 109 kt | 2 h 54 min | 12:17 am MDT (06:17 UTC) |
| 17,500 ft | 220° at 39 kt | +11 kt | -10 °C | 109 kt | 2 h 54 min | 12:17 am MDT (06:17 UTC) |
| 18,000 ft FL180 | 220° at 39 kt | +11 kt | -11 °C | 109 kt | 2 h 54 min | 12:17 am MDT (06:17 UTC) |
| 24,000 ft FL240 | 220° at 47 kt | +11 kt | -23 °C | 109 kt | 2 h 54 min | 12:17 am MDT (06:17 UTC) |
| 30,000 ft FL300 | 220° at 53 kt | +19 kt | -28 °C | 101 kt | 3 h 08 min | 12:31 am MDT (06:31 UTC) |
| 34,000 ft FL340 | 220° at 63 kt | +15 kt | -35 °C | 105 kt | 3 h 01 min | 12:24 am MDT (06:24 UTC) |
| 39,000 ft FL390 | 230° at 62 kt | +9 kt | -45 °C | 111 kt | 2 h 51 min | 12:14 am MDT (06:14 UTC) |
Based on data from the 12th at 00:00 UTC; valid on the 12th at 06:00 UTC for use 02:00 to 09:00 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 |
|---|---|---|---|---|---|---|---|---|---|---|
| LND | used from 0 nm out; 79 nm from the line | 200/23 6° | 220/31 1° | 220/39 -11° | 230/39 -23° | 220/51 -28° | 220/66 -37° | 230/68 -45° | ||
| RKS | used from 99 nm out; 19 nm from the line | 200/41 | 220/44 1° | 220/35 -11° | 220/46 -24° | 210/53 -27° | 220/62 -35° | 230/61 -44° | ||
| GJT | used from 247 nm out; 69 nm from the line | 210/43 7° | 230/45 1° | 220/49 -12° | 220/62 -22° | 220/59 -28° | 230/60 -33° | 220/55 -45° |
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 |
|---|---|---|---|---|---|---|---|
| JAC Jackson, WY | departure | VFR Sky: overcast at 5,000 feet Weather: light rain | from the south-southeast (160°) at 10 knots | 10+ mi | 5,000 ft | 6,451 ft | 8:56 pm MDT (02:56 UTC) |
| PNA Pinedale, WY | 59 nm out, 7 nm east of the line | VFR Sky: scattered clouds at 4,100 feet, a broken layer at 6,000 feet, overcast at 7,000 feet Weather: rain | from the southeast (140°) at 9 knots | 10+ mi | 6,000 ft | 7,096 ft | 03:15 UTC |
| RKS Rock Springs, WY | 138 nm out, 8 nm southwest of the line | VFR Sky: a few clouds at 4,800 feet, overcast at 8,000 feet | from the south (190°) at 19 knots, gusting to 26 | 10+ mi | 8,000 ft | 6,764 ft | 02:54 UTC |
| EEO Meeker, CO | 247 nm out, 13 nm southwest of the line | VFR | calm | 10+ mi | none | 6,415 ft | 02:53 UTC |
| EGE Eagle, CO | 296 nm out, 12 nm northeast of the line, tower | VFR | from the west (280°) at 5 knots | 10+ mi | none | 6,547 ft | 02:56 UTC |
| ASE Aspen, CO | destination | VFR Sky: a few clouds at 9,000 feet | from the west-southwest (240°) at 5 knots | 10+ mi | none | 7,837 ft | 8:53 pm MDT (02:53 UTC) |
The highest airport on this list sits at 7,837 ft; the ground between airports is higher still. Check the sectional chart for the terrain and the minimum safe heights along the line.
At ASE when you get there the forecast at the estimated arrival, 12:14 am MDT (06:14 UTC)
Wind from the south-southeast at 6 knots, visibility more than 6 miles, low-level wind shear, scattered clouds at 4,500 feet, a broken layer at 7,000 feet VFR
The whole forecast for ASE
- From Sun 9:00 pm MDT (03:00 UTC): wind from the south-southeast at 6 knots, visibility more than 6 miles, low-level wind shear, scattered clouds at 4,500 feet, a broken layer at 7,000 feet
- 30% chance between Sun 9:00 pm MDT (03:00 UTC) and 11:00 pm MDT (05:00 UTC): visibility 4 miles, light rain showers, a broken layer at 4,500 feet
- From Mon 5:00 am MDT (11:00 UTC): wind from the south at 6 knots, visibility more than 6 miles, a few clouds at 5,000 feet, scattered clouds at 12,000 feet
- From Mon 9:00 am MDT (15:00 UTC): wind from the south at 9 knots, visibility more than 6 miles, a few clouds at 4,500 feet, a few clouds at 20,000 feet
The forecast for JAC, the departure
- From Sun 6:00 pm MDT (00:00 UTC): wind from the west at 7 knots, visibility 6 miles, light rain showers, scattered clouds at 700 feet, a broken layer at 1,200 feet and more above
- At times between Sun 6:00 pm MDT (00:00 UTC) and 9:00 pm MDT (03:00 UTC): visibility 3 miles, rain, a broken layer at 700 feet
- From Sun 9:00 pm MDT (03:00 UTC): wind from the north-northeast at 5 knots, visibility more than 6 miles, showers nearby, scattered clouds at 1,500 feet, overcast at 2,500 feet
- From Mon 7:00 am MDT (13:00 UTC): wind from the north-northeast at 5 knots, visibility 6 miles, light rain showers, scattered clouds at 1,000 feet, overcast at 1,800 feet
- From Mon 3:00 pm MDT (21:00 UTC): wind from the southwest at 4 knots, visibility more than 6 miles, scattered clouds at 2,500 feet, overcast at 5,000 feet
Temporary flight restrictions on the line or within 25 nm of it
No temporary flight restriction on or near this route right now.
Daylight
Sunset at JAC 6:44 pm MDT (00:44 UTC), at ASE 6:33 pm MDT (00:33 UTC) (civil twilight ends 7:00 pm MDT (01:00 UTC)). At 120 knots the arrival at ASE is before sunrise there (7:14 am MDT (13:14 UTC)).
Each restriction opens the FAA's own page with the exact area, heights and times. Ordinary notices to air missions (closed runways, lights out) are not shown: the FAA's notice search is not open to sites like this one at this time.
Radar and forecast charts for the regions crossed government pictures, the latest each time the page loads
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: Jackson Hole Airport, Aspen-Pitkin County/Sardy Field.