Willow Run Airport to James M Cox Dayton International YIP → DAY
144 nautical miles (165 statute miles) south on a straight line, true course 193°, about 199° magnetic at the departure end (variation 6W). At 120 knots that is 1 h 01 min at the quickest height in today's winds (24,000 ft, a 21-knot tailwind), arriving about 9:47 pm EDT (01:47 UTC), after sunset at the destination. Right now YIP is marginal VFR, wind calm; DAY is IFR, wind from the northwest (320°) at 7 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: 3 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 SIERRA 3E: low cloud or poor visibility (IFR conditions) (due to ceilings below 1,000 ft, visibility below 3 miles, precipitation, mist). Over the whole 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 YIP.
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 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 3 forecast points nearest it (CLE, FWA, CMH). 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 | 340° at 13 kt | −10 kt | 130 kt | 1 h 06 min | 9:52 pm EDT (01:52 UTC) | |
| 6,500 ft | 340° at 16 kt | −13 kt | 13 °C | 133 kt | 1 h 05 min | 9:51 pm EDT (01:51 UTC) |
| 8,500 ft | 340° at 15 kt | −13 kt | 9 °C | 133 kt | 1 h 05 min | 9:51 pm EDT (01:51 UTC) |
| 10,500 ft | 350° at 15 kt | −14 kt | 5 °C | 134 kt | 1 h 04 min | 9:50 pm EDT (01:50 UTC) |
| 12,500 ft | 350° at 16 kt | −15 kt | 2 °C | 135 kt | 1 h 04 min | 9:50 pm EDT (01:50 UTC) |
| 14,500 ft | 350° at 19 kt | −17 kt | -3 °C | 137 kt | 1 h 03 min | 9:49 pm EDT (01:49 UTC) |
| 16,500 ft | 340° at 21 kt | −19 kt | -7 °C | 139 kt | 1 h 02 min | 9:48 pm EDT (01:48 UTC) |
| 18,000 ft FL180 | 340° at 23 kt | −20 kt | -10 °C | 140 kt | 1 h 02 min | 9:48 pm EDT (01:48 UTC) |
| 24,000 ft FL240 | 340° at 24 kt | −21 kt | -22 °C | 141 kt | 1 h 01 min | 9:47 pm EDT (01:47 UTC) |
| 30,000 ft FL300 | 320° at 33 kt | −22 kt | -36 °C | 142 kt | 1 h 01 min | 9:47 pm EDT (01:47 UTC) |
| 34,000 ft FL340 | 290° at 27 kt | −2 kt | -41 °C | 122 kt | 1 h 11 min | 9:57 pm EDT (01:57 UTC) |
| 39,000 ft FL390 | 280° at 33 kt | +1 kt | -48 °C | 119 kt | 1 h 13 min | 9:59 pm EDT (01:59 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 |
|---|---|---|---|---|---|---|---|---|---|---|
| CLE | used from 0 nm out; 85 nm from the line | 340/5 | 320/13 14° | 300/12 8° | 310/10 2° | 310/14 -10° | 340/14 -23° | 320/27 -35° | 260/28 -40° | 250/36 -48° |
| FWA | used from 48 nm out; 60 nm from the line | 350/9 | 350/24 15° | 360/25 9° | 360/29 4° | 350/31 -10° | 340/39 -22° | 330/40 -37° | 320/38 -43° | 320/48 -48° |
| CMH | used from 96 nm out; 59 nm from the line | 340/14 | 320/13 12° | 350/12 8° | 360/10 2° | 350/27 -10° | 340/20 -22° | 320/31 -35° | 270/25 -39° | 260/32 -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 |
|---|---|---|---|---|---|---|---|
| YIP Detroit, MI | departure | marginal VFR Sky: overcast at 2,200 feet | calm | 10+ mi | 2,200 ft | 715 ft | 7:53 pm EDT (23:53 UTC) |
| TOL Toledo, OH | 38 nm out, 4 nm southwest of the line, tower | marginal VFR Sky: a few clouds at 400 feet, overcast at 2,200 feet | from the northwest (320°) at 4 knots | 10+ mi | 2,200 ft | 683 ft | 00:21 UTC |
| OWX Ottawa, OH | 77 nm out, 4 nm northwest of the line | IFR Sky: a broken layer at 700 feet, a broken layer at 1,100 feet, overcast at 1,500 feet Weather: mist | from the west-northwest (300°) at 5 knots | 3 mi | 700 ft | 763 ft | 00:35 UTC |
| SCA Sidney, OH | 125 nm out, 2 nm northwest of the line | no report just now | 1,044 ft | ||||
| DAY Dayton, OH | destination | IFR Sky: overcast at 600 feet | from the northwest (320°) at 7 knots | 8 mi | 600 ft | 1,009 ft | 7:56 pm EDT (23:56 UTC) |
The highest airport on this list sits at 1,044 ft; the ground between airports is higher still. Check the sectional chart for the terrain and the minimum safe heights along the line.
At DAY when you get there the forecast at the estimated arrival, 9:47 pm EDT (01:47 UTC)
Wind from the northwest at 6 knots, visibility more than 6 miles, overcast at 800 feet IFR
The whole forecast for DAY
- From Sun 8:00 pm EDT (00:00 UTC): wind from the northwest at 6 knots, visibility more than 6 miles, overcast at 800 feet
- From Mon 12:00 am EDT (04:00 UTC): wind from the west-northwest at 4 knots, visibility 5 miles, mist, scattered clouds at 600 feet
- From Mon 5:00 am EDT (09:00 UTC): wind from the west at 3 knots, visibility 2 miles, mist, scattered clouds at 200 feet
- At times between Mon 6:00 am EDT (10:00 UTC) and 9:00 am EDT (13:00 UTC): visibility ¼ mile, fog, sky obscured at 200 feet
- From Mon 10:00 am EDT (14:00 UTC): wind from the south-southwest at 8 knots, visibility more than 6 miles, scattered clouds at 25,000 feet
- From Mon 1:00 pm EDT (17:00 UTC): wind from the south-southwest at 10 knots, visibility more than 6 miles, scattered clouds at 25,000 feet
The forecast for YIP, the departure
- From Sun 8:00 pm EDT (00:00 UTC): wind from the northeast at 4 knots, visibility more than 6 miles, a broken layer at 1,000 feet, overcast at 1,500 feet
- From Sun 11:00 pm EDT (03:00 UTC): wind light and variable, visibility more than 6 miles, overcast at 1,400 feet
- From Mon 3:00 am EDT (07:00 UTC): wind from the south-southwest at 4 knots, visibility more than 6 miles, a broken layer at 25,000 feet
- At times between Mon 5:00 am EDT (09:00 UTC) and 9:00 am EDT (13:00 UTC): visibility 2 miles, mist, a broken layer at 400 feet
- From Mon 10:00 am EDT (14:00 UTC): wind from the southwest at 11 knots, gusting to 22, visibility more than 6 miles, a broken layer 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 YIP 6:57 pm EDT (22:57 UTC), at DAY 7:02 pm EDT (23:02 UTC) (civil twilight ends 7:29 pm EDT (23:29 UTC)). At 120 knots the arrival at DAY is after sunset there (7:03 pm EDT (23:03 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: Willow Run Airport, James M Cox Dayton International.