Mahlon Sweet Field to Piedmont Triad International EUG → GSO
2,020 nautical miles (2,324 statute miles) east on a straight line, true course 089°, about 074° magnetic at the departure end (variation 15E). At 120 knots that is 12 h 28 min at the quickest height in today's winds (39,000 ft, a 42-knot tailwind), arriving about 3:17 pm EDT (19:17 UTC). Right now EUG is VFR, wind calm; GSO is VFR, wind from the west-southwest (250°) at 8 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: 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 1W: moderate turbulence above 18,000 ft from 18,000 ft to 39,000 ft. Over the first 200 nm of the route.
- AIRMET ZULU 2C: moderate icing up to 23,000 ft. Over the route from 110 to 190 nm out.
- AIRMET SIERRA 1E: mountains obscured by cloud (due to mountains obscured by clouds, precipitation, mist). Over the route from 200 to 710 nm out.
- AIRMET TANGO 1W: moderate turbulence above 18,000 ft from 18,000 ft to 36,000 ft. Over the route from 280 to 440 nm out.
- AIRMET ZULU 2C: moderate icing up to 23,000 ft. Over the route from 320 to 760 nm out.
- 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 340 to 990 nm out.
- AIRMET TANGO 4W: moderate turbulence below 18,000 ft up to 18,000 ft. Over the route from 590 to 830 nm out.
- AIRMET TANGO 4W: moderate turbulence above 18,000 ft from 18,000 ft to 38,000 ft. Over the route from 600 to 880 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 630 to 820 nm out.
- 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 910 to 1420 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 1620 to 1960 nm out.
- AIRMET SIERRA 4E: mountains obscured by cloud (due to mountains obscured by clouds, precipitation, mist). Over the route from 1830 to 1970 nm out.
- AIRMET TANGO 5W: moderate turbulence above 18,000 ft (due to mountain wave) from 29,000 ft to 40,000 ft. Over the route from 1910 to 1990 nm out.
- AIRMET TANGO 5W: moderate turbulence below 18,000 ft (due to mountain wave) up to 10,000 ft. Over the last 100 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 EUG.
Pilot reports along the route within 50 nm of the line, last three hours, the serious ones first
- B737 at 10,000 ft, 7 nm north, 9:25 pm PDT (04:25 UTC): no icing, remarks: during the descent runway 5. 90 nm along the route, 7 nm north of the line.
as filed, and in English
RDM UA /OV RDM/TM 0425/FL100/TP B737/TA UNKN/IC NEG/RM DURD RWY 5
- Report
- a routine report filed through RDM
- Where
- over RDM
- Time
- 04:25 UTC
- Height
- at 10,000 ft
- Aircraft
- B737
- Temperature
- UNKN
- Icing
- none
- Remarks
- during the descent runway 5
- E175 at 6,300 ft, 26 nm south, 9:20 pm PDT (04:20 UTC): overcast above 6,300 ft, remarks: during the descent runway 31. 390 nm along the route, 26 nm south of the line.
as filed, and in English
SUN UA /OV KSUN/TM 0420/FL063/TP E175/SK OVC063-TOPUNKN/RM DURD RY31
- Report
- a routine report filed through SUN
- Where
- over KSUN
- Time
- 04:20 UTC
- Height
- at 6,300 ft
- Aircraft
- E175
- Sky
- overcast from 6,300 ft, tops unknown
- Remarks
- during the descent runway 31
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 16 forecast points nearest it (RDM, BOI, PIH, LND, BFF, ONL, GRI, OMA, DSM, BRL, SPI, EVV, LOU, TRI, ROA, RDU). A plus sign is a headwind, a minus sign a tailwind.
| Height | Average wind | Head- or tailwind | Temperature | Ground speed | Time en route | Arrival |
|---|---|---|---|---|---|---|
| 5,500 ft | 250° at 11 kt | −9 kt | 8 °C | 129 kt | 15 h 40 min | 6:29 pm EDT (22:29 UTC) |
| 7,500 ft | 260° at 11 kt | −10 kt | 8 °C | 130 kt | 15 h 32 min | 6:21 pm EDT (22:21 UTC) |
| 9,500 ft | 270° at 12 kt | −12 kt | 5 °C | 132 kt | 15 h 18 min | 6:07 pm EDT (22:07 UTC) |
| 11,500 ft | 260° at 12 kt | −12 kt | 2 °C | 132 kt | 15 h 18 min | 6:07 pm EDT (22:07 UTC) |
| 13,500 ft | 260° at 14 kt | −13 kt | -2 °C | 133 kt | 15 h 11 min | 6:00 pm EDT (22:00 UTC) |
| 15,500 ft | 260° at 16 kt | −16 kt | -6 °C | 136 kt | 14 h 51 min | 5:40 pm EDT (21:40 UTC) |
| 17,500 ft | 260° at 19 kt | −18 kt | -10 °C | 138 kt | 14 h 38 min | 5:27 pm EDT (21:27 UTC) |
| 18,000 ft FL180 | 260° at 20 kt | −18 kt | -11 °C | 138 kt | 14 h 38 min | 5:27 pm EDT (21:27 UTC) |
| 24,000 ft FL240 | 260° at 25 kt | −23 kt | -22 °C | 143 kt | 14 h 08 min | 4:57 pm EDT (20:57 UTC) |
| 30,000 ft FL300 | 260° at 31 kt | −29 kt | -33 °C | 149 kt | 13 h 33 min | 4:22 pm EDT (20:22 UTC) |
| 34,000 ft FL340 | 260° at 40 kt | −39 kt | -38 °C | 159 kt | 12 h 42 min | 3:31 pm EDT (19:31 UTC) |
| 39,000 ft FL390 | 260° at 42 kt | −42 kt | -46 °C | 162 kt | 12 h 28 min | 3:17 pm EDT (19:17 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 |
|---|---|---|---|---|---|---|---|---|---|---|
| RDM | used from 0 nm out; 64 nm from the line | 040/17 -1° | 030/31 -8° | 010/29 -12° | 010/61 -19° | 360/95 -25° | 360/82 -36° | 360/40 -37° | 310/19 -40° | |
| BOI | used from 200 nm out; 83 nm from the line | 300/7 2° | 280/5 -4° | 210/16 -9° | 210/60 -20° | 210/75 -29° | 210/63 -32° | 220/64 -32° | 220/54 -39° | |
| PIH | used from 400 nm out; 67 nm from the line | L/V | 240/13 1° | 240/15 -3° | 210/42 -15° | 200/70 -25° | 220/74 -29° | 220/71 -36° | 220/62 -43° | |
| LND | used from 550 nm out; 70 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° | ||
| BFF | used from 750 nm out; 107 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° | |
| ONL | used from 950 nm out; 103 nm from the line | 210/31 20° | 230/27 13° | 230/18 7° | 220/19 -8° | 240/26 -20° | 250/44 -35° | 270/52 -39° | 260/57 -47° | |
| GRI | used from 1100 nm out; 49 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 1150 nm out; 37 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° |
| DSM | used from 1250 nm out; 55 nm from the line | 230/40 | 250/33 17° | 250/18 12° | 240/17 5° | 260/28 -8° | 270/34 -19° | 260/41 -33° | 260/55 -41° | 270/62 -51° |
| BRL | used from 1350 nm out; 67 nm from the line | 230/24 | 240/29 15° | 290/16 10° | 280/15 4° | 260/23 -7° | 260/32 -19° | 260/36 -33° | 280/48 -41° | 280/59 -52° |
| SPI | used from 1450 nm out; 36 nm from the line | 220/21 | 250/23 16° | 260/27 9° | 270/14 6° | 270/23 -7° | 270/31 -19° | 270/28 -33° | 290/48 -42° | 300/55 -52° |
| EVV | used from 1600 nm out; 51 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° |
| LOU | used from 1650 nm out; 43 nm from the line | 310/18 | 340/28 16° | 340/29 10° | 350/27 3° | 330/27 -7° | 340/39 -19° | 330/58 -33° | 330/67 -41° | 330/40 -49° |
| TRI | used from 1800 nm out; 85 nm from the line | 330/22 11° | 330/29 7° | 330/32 3° | 330/36 -8° | 320/34 -19° | 320/36 -34° | 320/43 -39° | 320/46 -47° | |
| ROA | used from 1950 nm out; 65 nm from the line | 310/29 | 330/31 13° | 340/28 7° | 330/25 3° | 310/32 -8° | 300/32 -22° | 290/32 -31° | 270/35 -38° | 270/32 -47° |
| RDU | used from 2000 nm out; 67 nm from the line | 280/33 | 300/23 11° | 300/28 8° | 290/28 4° | 260/41 -6° | 240/52 -18° | 230/66 -31° | 230/76 -39° | 240/52 -49° |
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 |
|---|---|---|---|---|---|---|---|
| EUG Eugene, OR | departure | VFR Sky: scattered clouds at 7,000 feet | calm | 10+ mi | none | 373 ft | 10:54 pm PDT (05:54 UTC) |
| RDM Redmond, OR | 90 nm out, 7 nm north of the line, tower | VFR Sky: a few clouds at 8,000 feet | calm | 10+ mi | none | 3,081 ft | 05:56 UTC |
| ONO Ontario, OR | 270 nm out, 4 nm southwest of the line | VFR | from the northwest (320°) at 16 knots, gusting to 22 | 10+ mi | none | 2,193 ft | 05:53 UTC |
| JAC Jackson, WY | 540 nm out, 3 nm south of the line, tower | VFR Sky: overcast at 5,500 feet | from the southwest (230°) at 5 knots | 10+ mi | 5,500 ft | 6,451 ft | 05:56 UTC |
| CPR Casper, WY | 730 nm out, 16 nm south of the line, tower | VFR Sky: scattered clouds at 9,000 feet, a broken layer at 11,000 feet | from the north-northwest (340°) at 6 knots | 10+ mi | 11,000 ft | 5,344 ft | 05:53 UTC |
| LSK Lusk, WY | 820 nm out, 8 nm south of the line | no report just now | 4,966 ft | ||||
| OMA Omaha, NE | 1210 nm out, 3 nm northeast of the line, tower | VFR Sky: a few clouds at 25,000 feet | from the south-southeast (150°) at 8 knots | 10+ mi | none | 984 ft | 05:52 UTC |
| CBF Council Bluffs, IA | 1220 nm out, 3 nm northwest of the line | VFR | from the south (190°) at 11 knots, gusting to 16 | 10+ mi | none | 1,244 ft | 06:35 UTC |
| SPI Springfield, IL | 1510 nm out, 14 nm north of the line, tower | VFR | from the south (180°) at 8 knots | 10+ mi | none | 597 ft | 05:52 UTC |
| LOU Louisville, KY | 1720 nm out, 4 nm southwest of the line, tower | low IFR Sky: sky obscured at 200 feet Weather: fog | calm | 0.25 mi | 200 ft | 545 ft | 06:32 UTC |
| CPF Hazard, KY | 1840 nm out, 3 nm southeast of the line | low IFR Sky: overcast at 400 feet Weather: mist | from the west (280°) at 3 knots | 4 mi | 400 ft | 1,256 ft | 06:55 UTC |
| GSO Greensboro, NC | destination | VFR Sky: a few clouds at 4,000 feet, a few clouds at 7,000 feet | from the west-southwest (250°) at 8 knots | 10+ mi | none | 925 ft | 1:54 am EDT (05:54 UTC) |
The highest airport on this list sits at 6,451 ft; the ground between airports is higher still. Check the sectional chart for the terrain and the minimum safe heights along the line.
At GSO when you get there the forecast at the estimated arrival, 3:17 pm EDT (19:17 UTC)
Wind from the northwest at 11 knots, gusting to 19, visibility more than 6 miles, scattered clouds at 3,000 feet, a broken layer at 4,500 feet VFR
The whole forecast for GSO
- From Mon 2:00 am EDT (06:00 UTC): wind from the west at 9 knots, visibility more than 6 miles, scattered clouds at 4,000 feet, scattered clouds at 10,000 feet
- From Mon 10:00 am EDT (14:00 UTC): wind from the northwest at 11 knots, gusting to 19, visibility more than 6 miles, scattered clouds at 3,000 feet, a broken layer at 4,500 feet
- From Mon 5:30 pm EDT (21:30 UTC): wind from the northwest at 4 knots, visibility more than 6 miles, scattered clouds at 25,000 feet
The forecast for EUG, the departure
- From Sun 11:00 pm PDT (06:00 UTC): wind light and variable, visibility more than 6 miles, clear skies
- From Mon 2:00 pm PDT (21:00 UTC): wind from the north at 5 knots, visibility more than 6 miles, clear skies
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 EUG 6:34 pm PDT (01:34 UTC), at GSO 6:48 pm EDT (22:48 UTC) (civil twilight ends 7:13 pm EDT (23:13 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: Mahlon Sweet Field, Piedmont Triad International.