Tallahassee International to Seattle-Tacoma International TLH → SEA
2,019 nautical miles (2,324 statute miles) northwest on a straight line, true course 311°, about 316° magnetic at the departure end (variation 5W). At 120 knots that is 17 h 24 min at the quickest height in today's winds (4,500 ft, a 4-knot headwind), arriving about 5:27 pm PDT (00:27 UTC). 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: 2 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 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 620 to 1130 nm out.
- AIRMET TANGO 4W: moderate turbulence above 18,000 ft from 18,000 ft to 38,000 ft. Over the route from 1090 to 1419 nm out.
- AIRMET TANGO 4W: moderate turbulence below 18,000 ft up to 18,000 ft. Over the route from 1160 to 1439 nm out.
- 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 route from 1229 to 1399 nm out.
- AIRMET ZULU 2C: moderate icing up to 23,000 ft. Over the route from 1269 to 1589 nm out.
- AIRMET SIERRA 1E: mountains obscured by cloud (due to mountains obscured by clouds, precipitation, mist). Over the route from 1319 to 1819 nm out.
- AIRMET TANGO 5W: strong surface winds (30 knots or more) (due to sustained surface winds greater than 30 knots). Near the route, 1319 nm along the route.
- 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 route from 1369 to 1729 nm out.
- AIRMET TANGO 1W: moderate turbulence above 18,000 ft from 18,000 ft to 36,000 ft. Over the route from 1569 to 1749 nm out.
- AIRMET ZULU 2C: moderate icing up to 23,000 ft. Over the route from 1599 to 1899 nm out.
- AIRMET TANGO 1W: moderate turbulence above 18,000 ft from 18,000 ft to 39,000 ft. Over the last 180 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 TLH.
Pilot reports along the route within 50 nm of the line, last three hours, the serious ones first
Not fetched just now.
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 westbound cruising heights for this course (VFR: even thousands plus 500 ft; above 18,000 ft the forecast levels), with the wind averaged along the line from the 16 forecast points nearest it (TLH, MGM, BHM, MEM, LIT, SGF, ICT, SLN, GRI, GLD, BFF, LND, DLN, LWS, YKM, SEA). A plus sign is a headwind, a minus sign a tailwind.
| Height | Average wind | Head- or tailwind | Temperature | Ground speed | Time en route | Arrival |
|---|---|---|---|---|---|---|
| 4,500 ft | 230° at 15 kt | +4 kt | 21 °C | 116 kt | 17 h 24 min | 5:27 pm PDT (00:27 UTC) |
| 6,500 ft | 240° at 13 kt | +6 kt | 12 °C | 114 kt | 17 h 43 min | 5:46 pm PDT (00:46 UTC) |
| 8,500 ft | 250° at 11 kt | +7 kt | 6 °C | 113 kt | 17 h 52 min | 5:55 pm PDT (00:55 UTC) |
| 10,500 ft | 250° at 12 kt | +7 kt | 5 °C | 113 kt | 17 h 52 min | 5:55 pm PDT (00:55 UTC) |
| 12,500 ft | 240° at 12 kt | +7 kt | 2 °C | 113 kt | 17 h 52 min | 5:55 pm PDT (00:55 UTC) |
| 14,500 ft | 240° at 14 kt | +7 kt | -3 °C | 113 kt | 17 h 52 min | 5:55 pm PDT (00:55 UTC) |
| 16,500 ft | 240° at 15 kt | +8 kt | -7 °C | 112 kt | 18 h 02 min | 6:05 pm PDT (01:05 UTC) |
| 18,000 ft FL180 | 240° at 17 kt | +9 kt | -10 °C | 111 kt | 18 h 11 min | 6:14 pm PDT (01:14 UTC) |
| 24,000 ft FL240 | 250° at 21 kt | +13 kt | -21 °C | 107 kt | 18 h 52 min | 6:55 pm PDT (01:55 UTC) |
| 30,000 ft FL300 | 260° at 30 kt | +23 kt | -32 °C | 97 kt | 20 h 49 min | 8:52 pm PDT (03:52 UTC) |
| 34,000 ft FL340 | 260° at 36 kt | +28 kt | -38 °C | 92 kt | 21 h 57 min | 10:00 pm PDT (05:00 UTC) |
| 39,000 ft FL390 | 260° at 38 kt | +31 kt | -47 °C | 89 kt | 22 h 41 min | 10:44 pm PDT (05:44 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 |
|---|---|---|---|---|---|---|---|---|---|---|
| TLH | used from 0 nm out; 25 nm from the line | 320/18 | 350/31 18° | 340/24 13° | 310/17 8° | 280/22 -7° | 300/25 -17° | 320/28 -33° | 320/24 -41° | 320/25 -50° |
| MGM | used from 100 nm out; 34 nm from the line | 310/19 | 340/24 17° | 340/28 11° | 330/16 7° | 300/23 -7° | 320/32 -16° | 330/46 -33° | 330/55 -42° | 330/41 -50° |
| BHM | used from 200 nm out; 65 nm from the line | 310/19 | 330/20 17° | 320/28 11° | 340/21 6° | 310/22 -7° | 330/33 -17° | 330/50 -32° | 330/57 -41° | 330/41 -50° |
| MEM | used from 300 nm out; 79 nm from the line | 230/19 | 260/16 15° | 270/17 12° | 300/13 6° | 300/15 -5° | 300/26 -18° | 300/34 -32° | 300/41 -40° | 310/46 -52° |
| LIT | used from 450 nm out; 50 nm from the line | 220/21 | 230/17 16° | 250/24 12° | 260/15 7° | 260/13 -5° | 280/25 -16° | 290/35 -30° | 300/42 -40° | 300/40 -52° |
| SGF | used from 550 nm out; 50 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° |
| ICT | used from 700 nm out; 77 nm from the line | 200/48 | 230/39 19° | 240/24 14° | 240/20 8° | 240/22 -6° | 250/31 -18° | 250/61 -29° | 260/58 -38° | 270/54 -49° |
| SLN | used from 750 nm out; 52 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° |
| GRI | used from 900 nm out; 90 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° | |
| GLD | used from 950 nm out; 80 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° | |
| BFF | used from 1050 nm out; 82 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° | |
| LND | used from 1249 nm out; 118 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° | ||
| DLN | used from 1499 nm out; 72 nm from the line | 090/6 -6° | 240/22 -4° | 210/34 -16° | 210/62 -25° | 210/66 -34° | 210/82 -36° | 220/77 -42° | ||
| LWS | used from 1699 nm out; 69 nm from the line | 070/10 | 080/12 -2° | 030/12 -6° | 080/7 -10° | 170/34 -21° | 160/46 -32° | 200/33 -35° | 220/22 -35° | 230/18 -38° |
| YKM | used from 1849 nm out; 67 nm from the line | 070/10 | 040/15 -1° | 020/27 -8° | 030/25 -13° | 020/48 -20° | 010/83 -27° | 010/77 -37° | 010/49 -40° | 350/14 -41° |
| SEA | used from 1949 nm out; 45 nm from the line | 050/7 | 050/11 1° | 050/12 -5° | 030/31 -7° | 010/61 -15° | 010/69 -26° | 360/73 -40° | 360/62 -47° | 330/21 -43° |
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 |
|---|---|---|---|---|---|---|---|
| TLH Tallahassee, FL | departure | no report just now | 83 ft | ||||
| SEM Selma, AL | 180 nm out, 1 nm east of the line, tower | no report just now | 166 ft | ||||
| GTR Columbus/W Point/Starkville, MS | 280 nm out, 3 nm northwest of the line, tower | no report just now | 264 ft | ||||
| BBG Branson, MO | 580 nm out, 9 nm northeast of the line, tower | no report just now | 1,302 ft | ||||
| JLN Joplin, MO | 650 nm out, 2 nm east of the line, tower | no report just now | 977 ft | ||||
| SLN Salina, KS | 830 nm out, 4 nm south of the line, tower | no report just now | 1,288 ft | ||||
| GUR Guernsey, WY | 1210 nm out, 7 nm north of the line, tower | no report just now | 4,401 ft | ||||
| CPR Casper, WY | 1299 nm out, 5 nm northeast of the line, tower | no report just now | 5,344 ft | ||||
| WYS West Yellowstone, MT | 1529 nm out, 11 nm northeast of the line | no report just now | 6,649 ft | ||||
| LWS Lewiston, ID | 1789 nm out, 9 nm north of the line, tower | no report just now | 1,442 ft | ||||
| MWH Moses Lake, WA | 1899 nm out, 23 nm north of the line, tower | no report just now | 1,188 ft | ||||
| SEA Seattle, WA | destination | no report just now | 432 ft |
The highest airport on this list sits at 6,649 ft; the ground between airports is higher still. Check the sectional chart for the terrain and the minimum safe heights along the line.
At SEA when you get there the forecast at the estimated arrival, 5:27 pm PDT (00:27 UTC)
SEA has no terminal forecast; use the nearest airport that does.
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 TLH 7:09 pm EDT (23:09 UTC), at SEA 6:25 pm PDT (01:25 UTC) (civil twilight ends 6:56 pm PDT (01:56 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: Tallahassee International, Seattle-Tacoma International.