Alert archive / Michigan / Tornado Warnings in 2003
Tornado Warning 11, NWS Detroit, MI
NWS Detroit, MI issued this tornado warning at Aug 21, 2003, 8:51 PM EDT for Livingston County, Michigan. It was in force for 54 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
- Aug 21, 2003, 8:51 PM EDT (00:51 UTC)
- Expired
- Aug 21, 2003, 9:45 PM EDT
- In force
- 54 min
- Issued by
- NWS Detroit, MI
- Area
- Counties, with a storm outline in the text
County Livingston County, MI
The radar
The Detroit radar (KDTX), 46 km from the middle of the area, began a volume at 00:52 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 00:00Z, 0.9 hours before the alert went out and 50 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
- 3445 J/kg
- Mixed-layer CIN
- -38 J/kg
- Mixed-layer LCL
- 1295 m above ground
- 0-6 km bulk shear
- 28 kt
- 0-1 km storm-relative helicity
- 239 m²/s²
- 0-3 km storm-relative helicity
- 306 m²/s²
- Significant tornado parameter
- 2.2
- Supercell composite
- 16.1
The text
As transmitted, in the capitals the NWS used until 2016.
000 WFUS53 KDTX 220051 TORDTX MIC093-220145- BULLETIN - EAS ACTIVATION REQUESTED TORNADO WARNING NATIONAL WEATHER SERVICE DETROIT/PONTIAC MI 850 PM EDT THU AUG 21 2003 THE NATIONAL WEATHER SERVICE IN DETROIT/PONTIAC HAS ISSUED A * TORNADO WARNING FOR... LIVINGSTON COUNTY IN SOUTHEAST MICHIGAN * UNTIL 945 PM EDT * AT 847 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO 4 MILES NORTHWEST OF PARKERS CORNERS...OR 11 MILES WEST OF HOWELL...MOVING EAST AT 25 MPH. * THE TORNADO IS EXPECTED TO BE NEAR... FOWLERVILLE...CONWAY TOWNSHIP AT 855 PM EDT HOWELL...COHOCTAH AT 910 PM EDT CHILSON AT 915 PM EDT BRIGHTON AT 925 PM EDT HARTLAND...TYRONE TOWNSHIP AT 930 PM EDT MULTIPLE REPORTS OF TORNADOS WERE RECEIVED IN EASTERN INGHAM COUNTY FROM THIS STORM. THIS WARNING REPLACES THE SEVERE THUNDERSTORM WARNING PREVIOUSLY IN EFFECT. SEEK SHELTER IN THE INNERMOST PORTION OF THE BUILDING...ON THE LOWEST FLOOR. GET TO A BASEMENT IF ONE IS AVAILABLE...AND AVOID WINDOWS. PROTECT YOUR BODY FROM FLYING DEBRIS WITH CUSHIONS OR PILLOWS. LAT...LON 4275 8426 4253 8426 4251 8368 4277 8370 $$ OKEEFE JB
The office that day
Everything else NWS Detroit, MI issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 21, 8:06 PM EDT | Severe Thunderstorm Warning | DTX | Oakland | 54 min |
| Aug 21, 8:19 PM EDT | Severe Thunderstorm Warning | DTX | Genesee | 41 min |
| Aug 21, 8:21 PM EDT | Special Marine Warning | DTX | 69 min | |
| Aug 21, 8:31 PM EDT | Severe Thunderstorm Warning | DTX | Livingston | 59 min |
| Aug 21, 8:47 PM EDT | Severe Thunderstorm Warning | DTX | Lapeer | 43 min |
| Aug 21, 8:48 PM EDT | Special Marine Warning | DTX | 27 min | |
| Aug 21, 9:44 PM EDT | Severe Thunderstorm Warning | DTX | Lapeer | 46 min |
| Aug 21, 9:54 PM EDT | Severe Thunderstorm Warning | DTX | Washtenaw | 66 min |
| Aug 21, 10:11 PM EDT | Tornado Warning | DTX | Washtenaw | 64 min |
| Aug 21, 10:59 PM EDT | Special Marine Warning | DTX | 46 min | |
| Aug 21, 11:06 PM EDT | Severe Thunderstorm Warning | DTX | Monroe | 54 min |
Nearby
Tornado Warnings in Michigan, 2003Every tornado warning in 2003Tornadoes 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.