Alert archive / Michigan / Severe Thunderstorm Warnings in 2003
Severe Thunderstorm Warning 13, NWS Detroit, MI
NWS Detroit, MI issued this severe thunderstorm warning at Apr 20, 2003, 3:05 PM EDT for Wayne County, Michigan. It was in force for 40 min. No storm report in the archive falls inside the area while it was in force.
The area
The outline as issued.
The facts
- Issued
- Apr 20, 2003, 3:05 PM EDT (19:05 UTC)
- Expired
- Apr 20, 2003, 3:45 PM EDT
- In force
- 40 min
- Issued by
- NWS Detroit, MI
- Area
- Counties, with a storm outline in the text
County Wayne County, MI
The radar
The Detroit radar (KDTX), 46 km from the middle of the area, began a volume at 19:09 UTC, the scan nearest the moment this went out.
Open the radar archive at this moment
The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.
The nearest sounding before it
Detroit, MI (KDTX), launched 12:00Z, 7.1 hours before the alert went out and 47 km from the middle of its area. This is the routine balloon launch nearest before it, the air the forecaster had in hand, not a measurement taken for the alert.
- Mixed-layer CAPE
- 41 J/kg
- Mixed-layer CIN
- -164 J/kg
- Mixed-layer LCL
- 1190 m above ground
- 0-6 km bulk shear
- 37 kt
- 0-1 km storm-relative helicity
- 177 m²/s²
- 0-3 km storm-relative helicity
- 171 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
000 WUUS53 KDTX 201905 SVRDTX MIC163-201945- BULLETIN - EAS ACTIVATION/IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE DETROIT/PONTIAC MI 305 PM EDT SUN APR 20 2003 THE NATIONAL WEATHER SERVICE IN DETROIT/PONTIAC HAS ISSUED A * SEVERE THUNDERSTORM WARNING FOR... WAYNE COUNTY IN SOUTHEAST MICHIGAN * UNTIL 345 PM EDT * AT 305 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM 5 MILES WEST OF WESTLAND...OR 13 MILES EAST OF ANN ARBOR...MOVING NORTHEAST AT 50 MPH. THIS SEVERE THUNDERSTORM HAS THE POTENTIAL OF PRODUCING WINDS UP TO 70 MPH HAIL UP TO ONE INCH IN DIAMETER. * THE SEVERE THUNDERSTORM WILL BE NEAR... WESTLAND AT 310 PM EDT REDFORD...DEARBORN AT 315 PM EDT HIGHLAND PARK AT 325 PM EDT LAT...LON 4227 8352 4213 8349 4239 8303 4242 8335 $$ SF
The office that day
Everything else NWS Detroit, MI issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Apr 20, 2:48 PM EDT | Severe Thunderstorm Warning | DTX | Oakland | 27 min |
| Apr 20, 2:52 PM EDT | Severe Thunderstorm Warning | DTX | Washtenaw | 23 min |
| Apr 20, 3:18 PM EDT | Severe Thunderstorm Warning | DTX | Oakland | 42 min |
| Apr 20, 3:35 PM EDT | Severe Thunderstorm Warning | DTX | Macomb | 40 min |
| Apr 20, 3:47 PM EDT | Special Marine Warning | DTX | 73 min | |
| Apr 20, 3:47 PM EDT | Special Marine Warning | DTX | 73 min | |
| Apr 20, 3:54 PM EDT | Severe Thunderstorm Warning | DTX | Saint Clair | 51 min |
| Apr 20, 4:37 PM EDT | Severe Thunderstorm Warning | DTX | Livingston, Washtenaw | 53 min |
| Apr 20, 5:07 PM EDT | Severe Thunderstorm Warning | DTX | Oakland | 38 min |
| Apr 20, 5:16 PM EDT | Special Marine Warning | DTX | 44 min | |
| Apr 20, 5:35 PM EDT | Severe Thunderstorm Warning | DTX | Lapeer | 55 min |
| Apr 20, 5:43 PM EDT | Severe Thunderstorm Warning | DTX | Macomb, Oakland, Wayne | 47 min |
| Apr 20, 5:52 PM EDT | Special Marine Warning | DTX | 38 min | |
| Apr 20, 5:52 PM EDT | Special Marine Warning | DTX | 38 min | |
| Apr 20, 5:57 PM EDT | Severe Thunderstorm Warning | DTX | Saint Clair, Sanilac | 48 min |
| Apr 20, 6:01 PM EDT | Special Marine Warning | DTX | 59 min |
Nearby
Severe Thunderstorm Warnings in Michigan, 2003Every severe thunderstorm warning in 2003
Sources
The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.