Yampa Valley Airport to Nashville International HDN → BNA
1,000 nautical miles (1,151 statute miles) east on a straight line, true course 099°, about 089° magnetic at the departure end (variation 10E). At 120 knots that is 5 h 55 min at the quickest height in today's winds (34,000 ft, a 49-knot tailwind), arriving about 7:00 am CDT (12:00 UTC). Right now HDN is VFR, wind from the northeast (050°) at 7 knots; BNA is VFR, wind calm. 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: 20 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 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 first 80 nm of the route.
- AIRMET TANGO 4W: moderate turbulence above 18,000 ft from 18,000 ft to 38,000 ft. Over the first 210 nm of the route.
- AIRMET TANGO 4W: moderate turbulence below 18,000 ft up to 18,000 ft. Over the first 190 nm of the route.
- AIRMET SIERRA 1E: mountains obscured by cloud (due to mountains obscured by clouds, precipitation, mist). Over the first 0 nm of the route.
- AIRMET TANGO 3W: 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 route from 200 to 670 nm out.
- AIRMET SIERRA 3E: low cloud or poor visibility (IFR conditions) (due to ceilings below 1,000 ft, visibility below 3 miles, precipitation, mist). Over the last 30 nm of 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 HDN.
Pilot reports along the route within 50 nm of the line, last three hours, the serious ones first
- urgent B737 at 7,600 ft, 0 nm west, 9:22 pm MDT (03:22 UTC): remarks: low-level wind shear 45 knots crosswind on final. At the departure end, 0 nm west of the line.
as filed, and in English
HDN UUA /OV HDN/TM 0322/FL076/TP B737/RM LLWS 45 KTS CROSSWIND ON FINAL
- Report
- an urgent report filed through HDN
- Where
- over HDN
- Time
- 03:22 UTC
- Height
- at 7,600 ft
- Aircraft
- B737
- Remarks
- low-level wind shear 45 knots crosswind on final
- B38M at 21,500 ft, 15 nm north, 10:33 pm MDT (04:33 UTC): light turbulence up to 25,000 ft, remarks: during the descent flati star ZDVWC-13. 70 nm along the route, 15 nm north of the line.
as filed, and in English
DEN UA /OV DEN305065/TM 0433/FL215/TP B38M/TB LGT BLO 250/RM DURD FLATI STAR. ZDVWC-13
- Report
- a routine report filed through DEN
- Where
- 65 nm northwest (305°) of DEN
- Time
- 04:33 UTC
- Height
- at 21,500 ft
- Aircraft
- B38M
- Turbulence
- light below 25,000 ft
- Remarks
- during the descent flati star ZDVWC-13
- A320 descending, 21 nm south, 9:19 pm MDT (03:19 UTC): no turbulence up to 10,000 ft. 120 nm along the route, 21 nm south of the line.
as filed, and in English
DEN UA /OV DEN/TM 0319/FLDURD/TP A320/TB NEG BLO 100
- Report
- a routine report filed through DEN
- Where
- over DEN
- Time
- 03:19 UTC
- Height
- during the descent
- Aircraft
- A320
- Turbulence
- no below 10,000 ft
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 7 forecast points nearest it (DEN, GLD, SLN, MKC, SGF, CGI, BNA). A plus sign is a headwind, a minus sign a tailwind.
| Height | Average wind | Head- or tailwind | Temperature | Ground speed | Time en route | Arrival |
|---|---|---|---|---|---|---|
| 3,500 ft | 230° at 31 kt | −16 kt | 136 kt | 7 h 21 min | 8:26 am CDT (13:26 UTC) | |
| 5,500 ft | 240° at 29 kt | −20 kt | 140 kt | 7 h 09 min | 8:14 am CDT (13:14 UTC) | |
| 7,500 ft | 240° at 24 kt | −19 kt | 15 °C | 139 kt | 7 h 12 min | 8:17 am CDT (13:17 UTC) |
| 9,500 ft | 250° at 21 kt | −18 kt | 12 °C | 138 kt | 7 h 15 min | 8:20 am CDT (13:20 UTC) |
| 11,500 ft | 250° at 20 kt | −17 kt | 8 °C | 137 kt | 7 h 18 min | 8:23 am CDT (13:23 UTC) |
| 13,500 ft | 250° at 20 kt | −17 kt | 3 °C | 137 kt | 7 h 18 min | 8:23 am CDT (13:23 UTC) |
| 15,500 ft | 250° at 21 kt | −18 kt | -1 °C | 138 kt | 7 h 15 min | 8:20 am CDT (13:20 UTC) |
| 17,500 ft | 250° at 23 kt | −19 kt | -6 °C | 139 kt | 7 h 12 min | 8:17 am CDT (13:17 UTC) |
| 18,000 ft FL180 | 250° at 23 kt | −20 kt | -7 °C | 140 kt | 7 h 09 min | 8:14 am CDT (13:14 UTC) |
| 24,000 ft FL240 | 240° at 28 kt | −22 kt | -19 °C | 142 kt | 7 h 03 min | 8:08 am CDT (13:08 UTC) |
| 30,000 ft FL300 | 260° at 44 kt | −41 kt | -31 °C | 161 kt | 6 h 13 min | 7:18 am CDT (12:18 UTC) |
| 34,000 ft FL340 | 270° at 51 kt | −49 kt | -38 °C | 169 kt | 5 h 55 min | 7:00 am CDT (12:00 UTC) |
| 39,000 ft FL390 | 270° at 45 kt | −45 kt | -49 °C | 165 kt | 6 h 04 min | 7:09 am CDT (12:09 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 |
|---|---|---|---|---|---|---|---|---|---|---|
| DEN | used from 0 nm out; 98 nm from the line | 240/21 14° | 250/44 6° | 220/49 -8° | 220/49 -21° | 230/54 -30° | 240/57 -35° | 240/49 -45° | ||
| GLD | used from 200 nm out; 42 nm from the line | 230/49 | 230/42 15° | 220/26 8° | 240/18 -7° | 230/27 -21° | 240/62 -30° | 240/61 -35° | 250/57 -47° | |
| SLN | used from 350 nm out; 79 nm from the line | 210/53 | 230/41 20° | 240/26 14° | 230/16 8° | 240/25 -7° | 240/35 -19° | 250/61 -30° | 260/65 -38° | 260/56 -49° |
| MKC | used from 550 nm out; 49 nm from the line | 220/44 | 250/28 18° | 250/18 13° | 240/12 6° | 280/24 -6° | 240/34 -18° | 260/47 -30° | 260/51 -40° | 270/58 -50° |
| SGF | used from 650 nm out; 44 nm from the line | 230/33 | 230/28 15° | 250/20 13° | 240/18 7° | 250/20 -6° | 250/24 -17° | 280/42 -31° | 280/49 -40° | 290/46 -51° |
| CGI | used from 750 nm out; 73 nm from the line | 240/20 | 270/15 15° | 280/15 11° | 300/13 6° | 290/20 -6° | 280/24 -18° | 300/34 -32° | 300/47 -41° | 310/49 -51° |
| BNA | used from 900 nm out; 75 nm from the line | 310/20 | 340/20 17° | 330/24 10° | 340/22 5° | 330/26 -6° | 340/29 -18° | 330/52 -33° | 320/62 -41° | 340/45 -50° |
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 |
|---|---|---|---|---|---|---|---|
| HDN Hayden, CO | departure | VFR Sky: scattered clouds at 11,000 feet | from the northeast (050°) at 7 knots | 10+ mi | none | 6,606 ft | 11:56 pm MDT (05:56 UTC) |
| SBS Steamboat Springs, CO | 20 nm out, 6 nm northwest of the line | VFR Sky: a broken layer at 7,000 feet, overcast at 11,000 feet | calm | 10+ mi | 7,000 ft | 6,882 ft | 05:55 UTC |
| FNL Fort Collins/Loveland, CO | 100 nm out, 14 nm north of the line, tower | VFR | from the south-southeast (150°) at 3 knots | 10+ mi | none | 5,020 ft | 05:56 UTC |
| SYF St Francis, KS | 250 nm out, 3 nm northeast of the line | VFR | from the south (190°) at 14 knots | 10+ mi | none | 3,429 ft | 05:55 UTC |
| RCP Stockton, KS | 370 nm out, 3 nm northeast of the line | no report just now | 1,999 ft | ||||
| SLN Salina, KS | 450 nm out, 11 nm south of the line, tower | VFR | from the south (190°) at 16 knots, gusting to 32 | 10+ mi | none | 1,288 ft | 05:53 UTC |
| FOE Topeka, KS | 540 nm out, 24 nm north of the line, tower | VFR | from the south (190°) at 14 knots | 10+ mi | none | 1,077 ft | 05:53 UTC |
| BUM Butler, MO | 610 nm out, 3 nm northeast of the line | no report just now | 893 ft | ||||
| TBN Fort Leonard Wood, MO | 720 nm out, 3 nm northeast of the line, tower | VFR | from the south (190°) at 4 knots | 10+ mi | none | 1,159 ft | 05:55 UTC |
| CGI Cape Girardeau, MO | 850 nm out, 14 nm north of the line, tower | VFR | from the west-southwest (240°) at 6 knots | 10+ mi | none | 341 ft | 20:53 UTC |
| CEY Murray, KY | 910 nm out, 2 nm east of the line | VFR | from the south-southwest (200°) at 5 knots | 10+ mi | none | 577 ft | 05:55 UTC |
| BNA Nashville, TN | destination | VFR | calm | 9 mi | none | 599 ft | 12:53 am CDT (05:53 UTC) |
The highest airport on this list sits at 6,882 ft; the ground between airports is higher still. Check the sectional chart for the terrain and the minimum safe heights along the line.
At BNA when you get there the forecast at the estimated arrival, 7:00 am CDT (12:00 UTC)
Wind from the south at 2 knots, visibility 5 miles, mist, scattered clouds at 300 feet marginal VFR
The whole forecast for BNA
- From Mon 1:00 am CDT (06:00 UTC): wind from the south at 4 knots, visibility 6 miles, mist, clear skies
- From Mon 7:00 am CDT (12:00 UTC): wind from the south at 2 knots, visibility 5 miles, mist, scattered clouds at 300 feet
- From Mon 9:00 am CDT (14:00 UTC): wind from the west-southwest at 7 knots, visibility more than 6 miles, a few clouds at 20,000 feet
- From Mon 8:00 pm CDT (01:00 UTC): wind from the south-southwest at 6 knots, visibility more than 6 miles, clear skies
The forecast for HDN, the departure
- From Mon 12:00 am MDT (06:00 UTC): wind from the south at 13 knots, gusting to 28, visibility more than 6 miles, low-level wind shear, a few clouds at 8,000 feet, a broken layer at 10,000 feet
- From Mon 7:00 am MDT (13:00 UTC): wind from the south at 9 knots, visibility more than 6 miles, scattered clouds at 4,000 feet, a broken layer at 5,000 feet
- From Mon 12:00 pm MDT (18:00 UTC): wind from the west-southwest at 13 knots, gusting to 23, visibility more than 6 miles, scattered clouds at 3,500 feet, a broken layer at 5,000 feet
- 30% chance between Mon 12:00 pm MDT (18:00 UTC) and 6:00 pm MDT (00:00 UTC): visibility 4 miles, light rain showers, overcast at 2,600 feet
- From Mon 6:00 pm MDT (00:00 UTC): wind from the north-northeast at 6 knots, visibility more than 6 miles, a few clouds at 6,000 feet, scattered clouds at 11,000 feet
- 30% chance between Mon 10:00 pm MDT (04:00 UTC) and 12:00 am MDT (06:00 UTC): visibility 4 miles, light rain showers, a broken layer at 5,000 feet
Temporary flight restrictions on the line or within 25 nm of it
- 6/0708 Goodlettsville, TN, Saturday, August 1, 2026 through Sunday, August 1, 2027 UTC 12 nm from the route, at the destination end · security · until 1 August · ZME
Daylight
Sunset at HDN 6:32 pm MDT (00:32 UTC), at BNA 6:15 pm CDT (23:15 UTC) (civil twilight ends 6:40 pm CDT (23:40 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: Yampa Valley Airport, Nashville International.