Scottsbluff/Western Nebraska Rgnl/Wm B Heilig Field to MC Ghee Tyson Airport BFF → TYS
983 nautical miles (1,132 statute miles) east on a straight line, true course 105°, about 095° magnetic at the departure end (variation 10E). At 120 knots that is 5 h 49 min at the quickest height in today's winds (39,000 ft, a 49-knot tailwind), arriving about 9:52 am EDT (13:52 UTC). Right now BFF is VFR, wind from the north (010°) at 12 knots; TYS is VFR, wind from the south-southwest (200°) at 3 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 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). Near the route, at the departure end.
- AIRMET SIERRA 4E: low cloud or poor visibility (IFR conditions) (due to ceilings below 1,000 ft, visibility below 3 miles, precipitation, mist). Near the route, 70 nm along 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 109 to 566 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, fog). Over the last 139 nm of the route.
- AIRMET SIERRA 4E: mountains obscured by cloud (due to mountains obscured by clouds, precipitation, mist). Over the last 40 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 BFF.
Pilot reports along the route within 50 nm of the line, last three hours, the serious ones first
No pilot reports within 50 nautical miles of the line in the last three hours.
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 10 forecast points nearest it (BFF, GRI, OMA, MKC, COU, STL, CGI, EVV, BNA, TYS). 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 | 250° at 23 kt | −16 kt | 136 kt | 7 h 14 min | 11:17 am EDT (15:17 UTC) | |
| 5,500 ft | 240° at 21 kt | −14 kt | 21 °C | 134 kt | 7 h 20 min | 11:23 am EDT (15:23 UTC) |
| 7,500 ft | 250° at 18 kt | −15 kt | 14 °C | 135 kt | 7 h 17 min | 11:20 am EDT (15:20 UTC) |
| 9,500 ft | 260° at 16 kt | −15 kt | 11 °C | 135 kt | 7 h 17 min | 11:20 am EDT (15:20 UTC) |
| 11,500 ft | 260° at 13 kt | −13 kt | 7 °C | 133 kt | 7 h 23 min | 11:26 am EDT (15:26 UTC) |
| 13,500 ft | 270° at 15 kt | −14 kt | 3 °C | 134 kt | 7 h 20 min | 11:23 am EDT (15:23 UTC) |
| 15,500 ft | 270° at 18 kt | −17 kt | -1 °C | 137 kt | 7 h 11 min | 11:14 am EDT (15:14 UTC) |
| 17,500 ft | 270° at 21 kt | −21 kt | -6 °C | 141 kt | 6 h 58 min | 11:01 am EDT (15:01 UTC) |
| 18,000 ft FL180 | 270° at 22 kt | −21 kt | -7 °C | 141 kt | 6 h 58 min | 11:01 am EDT (15:01 UTC) |
| 24,000 ft FL240 | 260° at 26 kt | −24 kt | -19 °C | 144 kt | 6 h 50 min | 10:53 am EDT (14:53 UTC) |
| 30,000 ft FL300 | 280° at 36 kt | −36 kt | -32 °C | 156 kt | 6 h 18 min | 10:21 am EDT (14:21 UTC) |
| 34,000 ft FL340 | 280° at 47 kt | −47 kt | -39 °C | 167 kt | 5 h 53 min | 9:56 am EDT (13:56 UTC) |
| 39,000 ft FL390 | 280° at 48 kt | −49 kt | -49 °C | 169 kt | 5 h 49 min | 9:52 am EDT (13:52 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 |
|---|---|---|---|---|---|---|---|---|---|---|
| BFF | used from 0 nm out; 25 nm from the line | 180/28 | 220/33 15° | 210/31 7° | 230/32 -9° | 220/41 -21° | 220/40 -33° | 240/47 -36° | 250/54 -46° | |
| GRI | used from 99 nm out; 121 nm from the line | 230/35 21° | 230/23 13° | 220/20 7° | 240/25 -8° | 240/37 -20° | 250/49 -33° | 260/57 -38° | 260/58 -47° | |
| OMA | used from 298 nm out; 75 nm from the line | 220/47 | 240/33 19° | 250/18 11° | 230/17 6° | 260/29 -8° | 250/33 -19° | 250/51 -33° | 260/61 -40° | 270/62 -49° |
| MKC | used from 348 nm out; 75 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° |
| COU | used from 497 nm out; 30 nm from the line | 230/31 | 230/30 15° | 260/16 11° | 270/14 6° | 260/24 -6° | 270/27 -18° | 270/37 -32° | 280/49 -41° | 290/56 -51° |
| STL | used from 596 nm out; 29 nm from the line | 250/24 | 250/24 16° | 260/23 9° | 270/16 6° | 260/25 -6° | 270/29 -19° | 290/34 -33° | 290/48 -41° | 290/54 -51° |
| CGI | used from 695 nm out; 44 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° |
| EVV | used from 745 nm out; 44 nm from the line | 280/15 | 290/12 17° | 310/16 10° | 320/13 5° | 310/22 -6° | 320/26 -18° | 320/38 -33° | 310/56 -41° | 320/55 -51° |
| BNA | used from 795 nm out; 57 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° |
| TYS | used from 894 nm out; 65 nm from the line | 320/20 | 340/18 11° | 340/32 9° | 340/36 4° | 330/37 -7° | 330/38 -19° | 330/50 -34° | 330/53 -38° | 330/44 -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 |
|---|---|---|---|---|---|---|---|
| BFF Scottsbluff, NE | departure | VFR | from the north (010°) at 12 knots | 10+ mi | none | 3,967 ft | 1:53 am MDT (07:53 UTC) |
| OKS Oshkosh, NE | 60 nm out, 12 nm south of the line | no report just now | 3,394 ft | ||||
| LBF North Platte, NE | 139 nm out, 7 nm southwest of the line | VFR | from the east-northeast (070°) at 6 knots | 10+ mi | none | 2,777 ft | 07:53 UTC |
| GRI Grand Island, NE | 248 nm out, 18 nm north of the line, tower | VFR | from the south (180°) at 12 knots | 10+ mi | none | 1,847 ft | 07:53 UTC |
| BIE Beatrice, NE | 328 nm out, 5 nm northwest of the line | VFR | from the south (180°) at 11 knots | 10+ mi | none | 1,323 ft | 07:55 UTC |
| STJ St Joseph, MO | 417 nm out, 4 nm northwest of the line, tower | VFR | from the south (180°) at 9 knots | 10+ mi | none | 826 ft | 07:53 UTC |
| COU Columbia, MO | 556 nm out, 6 nm west of the line, tower | VFR | from the south (190°) at 7 knots | 10+ mi | none | 889 ft | 07:54 UTC |
| SUS St Louis, MO | 626 nm out, 17 nm north of the line, tower | VFR | calm | 9 mi | none | 463 ft | 07:54 UTC |
| MWA Marion, IL | 715 nm out, 2 nm south of the line, tower | VFR | from the south-southwest (210°) at 4 knots | 10+ mi | none | 471 ft | 07:55 UTC |
| BWG Bowling Green, KY | 844 nm out, 9 nm northeast of the line | low IFR Sky: sky obscured at 100 feet Weather: fog | calm | 0.25 mi | 100 ft | 547 ft | 07:53 UTC |
| RKW Rockwood, TN | 954 nm out, 10 nm southwest of the line | VFR | calm | 7 mi | none | 1,664 ft | 07:55 UTC |
| TYS Knoxville, TN | destination | VFR Sky: overcast at 3,100 feet | from the south-southwest (200°) at 3 knots | 10+ mi | 3,100 ft | 986 ft | 3:53 am EDT (07:53 UTC) |
The highest airport on this list sits at 3,967 ft; the ground between airports is higher still. Check the sectional chart for the terrain and the minimum safe heights along the line.
At TYS when you get there the forecast at the estimated arrival, 9:52 am EDT (13:52 UTC)
Wind from the southwest at 4 knots, visibility more than 6 miles, scattered clouds at 2,500 feet VFR
The whole forecast for TYS
- From Mon 2:00 am EDT (06:00 UTC): wind from the southwest at 4 knots, visibility more than 6 miles, overcast at 2,500 feet
- From Mon 5:00 am EDT (09:00 UTC): wind from the southwest at 4 knots, visibility more than 6 miles, scattered clouds at 2,500 feet
- At times between Mon 5:00 am EDT (09:00 UTC) and 9:00 am EDT (13:00 UTC): a broken layer at 2,500 feet
- From Mon 12:00 pm EDT (16:00 UTC): wind from the west-southwest at 5 knots, visibility more than 6 miles, clear skies
The forecast for BFF, the departure
- From Mon 12:00 am MDT (06:00 UTC): wind light and variable, visibility more than 6 miles, a broken layer at 15,000 feet
- From Mon 9:00 am MDT (15:00 UTC): wind from the west-northwest at 10 knots, visibility more than 6 miles, clear skies
- From Mon 3:00 pm MDT (21:00 UTC): wind from the north at 10 knots, gusting to 20, visibility more than 6 miles, a broken layer at 10,000 feet
Temporary flight restrictions on the line or within 25 nm of it
- 6/7634 CENTRALIA, MO, Monday, October 12, 2026 UTC 14 nm from the route, 546 nm along the route · a hazard on the ground (fire-fighting, a chemical spill, rescue work) · today · ZKC
Daylight
Sunset at BFF 6:16 pm MDT (00:16 UTC), at TYS 7:04 pm EDT (23:04 UTC) (civil twilight ends 7:30 pm EDT (23:30 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: Scottsbluff/Western Nebraska Rgnl/Wm B Heilig Field, MC Ghee Tyson Airport.