Greenville Spartanburg International to St. Louis Lambert International GSP → STL
455 nautical miles (523 statute miles) northwest on a straight line, true course 303°, about 309° magnetic at the departure end (variation 6W). At 120 knots that is 4 h 25 min at the quickest height in today's winds (4,500 ft, a 17-knot headwind), arriving about 1:19 am CDT (06:19 UTC), after sunset at the destination. Right now GSP is VFR, wind from the west-southwest (240°) at 8 knots; STL is VFR, wind from the south-southeast (150°) at 11 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 TANGO 5W: moderate turbulence below 18,000 ft (due to mountain wave) up to 8,000 ft. Over the first 69 nm of the route.
- AIRMET SIERRA 4E: mountains obscured by cloud (due to mountains obscured by clouds, precipitation, mist). Over the route from 40 to 158 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 route from 119 to 178 nm out.
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 GSP.
Pilot reports along the route within 50 nm of the line, last three hours, the serious ones first
- A319 at 25,000 ft, 12 nm north, 7:14 pm EDT (23:14 UTC): no turbulence. 227 nm along the route, 12 nm north of the line.
as filed, and in English
IND UA /OV BWG070017/TM 2314/FL250/TP A319/TB NEG
- Report
- a routine report filed through IND
- Where
- 17 nm east (070°) of BWG
- Time
- 23:14 UTC
- Height
- at 25,000 ft
- Aircraft
- A319
- Turbulence
- none
- A319 at 32,000 ft, 47 nm southwest, 6:56 pm EDT (22:56 UTC): light to moderate chop turbulence, remarks: ZME62. 247 nm along the route, 47 nm southwest of the line.
as filed, and in English
BNA UA /OV BNA315020/TM 2256/FL320/TP A319/TB CONS LGT OCNL MOD CHOP/RM ZME62
- Report
- a routine report filed through BNA
- Where
- 20 nm northwest (315°) of BNA
- Time
- 22:56 UTC
- Height
- at 32,000 ft
- Aircraft
- A319
- Turbulence
- continuous light occasional moderate chop
- Remarks
- ZME62
- B77W at 31,000 ft, 45 nm southwest, 7:27 pm EDT (23:27 UTC): light to moderate chop turbulence, remarks: zme. 257 nm along the route, 45 nm southwest of the line.
as filed, and in English
BNA UA /OV BNA315030/TM 2327/FL310/TP B77W/TB CONS LGT OCNL MOD CHOP/RM ZME
- Report
- a routine report filed through BNA
- Where
- 30 nm northwest (315°) of BNA
- Time
- 23:27 UTC
- Height
- at 31,000 ft
- Aircraft
- B77W
- Turbulence
- continuous light occasional moderate chop
- Remarks
- zme
- B738 at 34,000 ft, 44 nm southwest, 7:41 pm EDT (23:41 UTC): light to moderate chop turbulence, remarks: zme. 267 nm along the route, 44 nm southwest of the line.
as filed, and in English
CKV UA /OV CKV/TM 2341/FL340/TP B738/TB CONS LGT OCNL MOD CHOP/RM ZME
- Report
- a routine report filed through CKV
- Where
- over CKV
- Time
- 23:41 UTC
- Height
- at 34,000 ft
- Aircraft
- B738
- Turbulence
- continuous light occasional moderate chop
- Remarks
- zme
- B737 at 31,000 ft, 44 nm southwest, 8:13 pm EDT (00:13 UTC): light chop turbulence, remarks: ZME25. 346 nm along the route, 44 nm southwest of the line.
as filed, and in English
PAH UA /OV CNG360015/TM 0013/FL310/TP B737/TB OCNL LGT CHOP/RM ZME25
- Report
- a routine report filed through PAH
- Where
- 15 nm north (360°) of CNG
- Time
- 00:13 UTC
- Height
- at 31,000 ft
- Aircraft
- B737
- Turbulence
- occasional light chop
- Remarks
- ZME25
Winds aloft along the route, and the time en route the forecast for use 20:00–03:00 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 5 forecast points nearest it (GSP, TYS, BNA, EVV, STL). 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 | 310° at 17 kt | +17 kt | 103 kt | 4 h 25 min | 1:19 am CDT (06:19 UTC) | |
| 6,500 ft | 320° at 23 kt | +21 kt | 13 °C | 99 kt | 4 h 36 min | 1:30 am CDT (06:30 UTC) |
| 8,500 ft | 320° at 25 kt | +23 kt | 10 °C | 97 kt | 4 h 41 min | 1:35 am CDT (06:35 UTC) |
| 10,500 ft | 320° at 28 kt | +26 kt | 6 °C | 94 kt | 4 h 50 min | 1:44 am CDT (06:44 UTC) |
| 12,500 ft | 320° at 31 kt | +29 kt | 3 °C | 91 kt | 5 h | 1:54 am CDT (06:54 UTC) |
| 14,500 ft | 320° at 31 kt | +29 kt | -1 °C | 91 kt | 5 h | 1:54 am CDT (06:54 UTC) |
| 16,500 ft | 320° at 31 kt | +29 kt | -5 °C | 91 kt | 5 h | 1:54 am CDT (06:54 UTC) |
| 18,000 ft FL180 | 320° at 31 kt | +29 kt | -8 °C | 91 kt | 5 h | 1:54 am CDT (06:54 UTC) |
| 24,000 ft FL240 | 310° at 32 kt | +31 kt | -19 °C | 89 kt | 5 h 07 min | 2:01 am CDT (07:01 UTC) |
| 30,000 ft FL300 | 310° at 42 kt | +41 kt | -34 °C | 79 kt | 5 h 46 min | 2:40 am CDT (07:40 UTC) |
| 34,000 ft FL340 | 300° at 41 kt | +40 kt | -40 °C | 80 kt | 5 h 41 min | 2:35 am CDT (07:35 UTC) |
| 39,000 ft FL390 | 300° at 34 kt | +33 kt | -48 °C | 87 kt | 5 h 14 min | 2:08 am CDT (07:08 UTC) |
Based on data from the 11th at 18:00 UTC; valid on the 12th at 00:00 UTC for use 20:00 to 03:00 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 |
|---|---|---|---|---|---|---|---|---|---|---|
| GSP | used from 0 nm out; 25 nm from the line | 300/22 | 310/22 11° | 300/22 7° | 290/28 5° | 270/36 -5° | 250/42 -18° | 230/54 -31° | 230/59 -40° | 230/65 -50° |
| TYS | used from 49 nm out; 29 nm from the line | 290/19 | 310/22 11° | 330/25 7° | 330/34 3° | 320/37 -7° | 300/37 -18° | 300/37 -34° | 280/29 -39° | 270/29 -48° |
| BNA | used from 198 nm out; 52 nm from the line | 280/13 | 340/34 16° | 330/38 10° | 330/44 5° | 330/39 -8° | 330/38 -19° | 320/49 -34° | 330/53 -40° | 330/35 -47° |
| EVV | used from 247 nm out; 53 nm from the line | 310/13 | 340/26 16° | 330/29 10° | 330/32 4° | 330/30 -9° | 340/38 -20° | 330/60 -35° | 320/57 -41° | 330/39 -48° |
| STL | used from 395 nm out; 35 nm from the line | 210/13 | 260/16 17° | 270/21 10° | 280/24 5° | 310/20 -7° | 320/22 -18° | 320/44 -33° | 320/59 -43° | 310/69 -51° |
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 |
|---|---|---|---|---|---|---|---|
| GSP Greer, SC | departure | VFR | from the west-southwest (240°) at 8 knots | 10+ mi | none | 963 ft | 8:53 pm EDT (00:53 UTC) |
| AVL Asheville, NC | 30 nm out, 19 nm northeast of the line, tower | VFR | from the north-northwest (330°) at 5 knots | 10+ mi | none | 2,163 ft | 00:54 UTC |
| GKT Sevierville, TN | 89 nm out, 15 nm northeast of the line | marginal VFR Sky: overcast at 1,500 feet | from the southwest (230°) at 7 knots | 10+ mi | 1,500 ft | 1,013 ft | 01:36 UTC |
| TYS Knoxville, TN | 99 nm out, 4 nm northwest of the line, tower | marginal VFR Sky: overcast at 1,400 feet | from the south-southwest (210°) at 6 knots | 10+ mi | 1,400 ft | 986 ft | 01:14 UTC |
| RKW Rockwood, TN | 138 nm out, 13 nm south of the line | IFR Sky: a broken layer at 900 feet, overcast at 1,300 feet | variable at 5 knots | 10+ mi | 900 ft | 1,664 ft | 01:35 UTC |
| TZV Tompkinsville, KY | 198 nm out, 5 nm north of the line | no report just now | 1,036 ft | ||||
| BWG Bowling Green, KY | 237 nm out, 3 nm west of the line | VFR | calm | 10+ mi | none | 547 ft | 00:53 UTC |
| OWB Owensboro, KY | 297 nm out, 21 nm northeast of the line, tower | VFR | calm | 10+ mi | none | 407 ft | 00:56 UTC |
| HSB Harrisburg, IL | 356 nm out, 9 nm south of the line | VFR | calm | 10+ mi | none | 398 ft | 01:35 UTC |
| MWA Marion, IL | 366 nm out, 22 nm southwest of the line, tower | VFR | from the south (190°) at 5 knots | 10+ mi | none | 471 ft | 01:35 UTC |
| BLV Belleville, IL | 425 nm out, 2 nm northwest of the line, tower | VFR | calm | 9 mi | none | 459 ft | 00:55 UTC |
| STL St Louis, MO | destination | VFR | from the south-southeast (150°) at 11 knots | 10+ mi | none | 617 ft | 8:51 pm CDT (01:51 UTC) |
The highest airport on this list sits at 2,163 ft; the ground between airports is higher still. Check the sectional chart for the terrain and the minimum safe heights along the line.
At STL when you get there the forecast at the estimated arrival, 1:19 am CDT (06:19 UTC)
Wind from the south-southwest at 6 knots, visibility more than 6 miles, a few clouds at 25,000 feet VFR
The whole forecast for STL
- From Sun 7:00 pm CDT (00:00 UTC): wind from the south at 5 knots, visibility more than 6 miles, clear skies
- From Mon 1:00 am CDT (06:00 UTC): wind from the south-southwest at 6 knots, visibility more than 6 miles, a few clouds at 25,000 feet
- From Mon 11:00 am CDT (16:00 UTC): wind from the southwest at 12 knots, gusting to 20, visibility more than 6 miles, a few clouds at 25,000 feet
The forecast for GSP, the departure
- From Sun 8:00 pm EDT (00:00 UTC): wind from the west-southwest at 9 knots, visibility more than 6 miles, scattered clouds at 7,000 feet
- From Mon 2:00 am EDT (06:00 UTC): wind from the west-southwest at 5 knots, visibility more than 6 miles, scattered clouds at 25,000 feet
- From Mon 12:00 pm EDT (16:00 UTC): wind from the north-northwest at 9 knots, visibility more than 6 miles, a few clouds at 25,000 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 GSP 6:58 pm EDT (22:58 UTC), at STL 6:27 pm CDT (23:27 UTC) (civil twilight ends 6:54 pm CDT (23:54 UTC)). At 120 knots the arrival at STL is before sunrise there (7:07 am CDT (12:07 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: Greenville Spartanburg International, St. Louis Lambert International.