Alert archive / Michigan / Severe Thunderstorm Warnings in 2003
Severe Thunderstorm Warning 49, NWS Detroit, MI
NWS Detroit, MI issued this severe thunderstorm warning at Jun 28, 2003, 6:17 PM EDT for Genesee County, Shiawassee County, Michigan. It was in force for 43 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
- Jun 28, 2003, 6:17 PM EDT (22:17 UTC)
- Expired
- Jun 28, 2003, 7:00 PM EDT
- In force
- 43 min
- Issued by
- NWS Detroit, MI
- Area
- Counties, with a storm outline in the text
Counties Genesee County, MI, Shiawassee County, MI
The radar
The Detroit radar (KDTX), 54 km from the middle of the area, began a volume at 22:20 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 watch it was issued in
The SPC watch in force over the same counties when this warning went out.
| Issued | Product | Office | Lasted |
|---|---|---|---|
| Jun 28, 12:40 PM EDT | Severe Thunderstorm Watch | SPC | 6 hr |
The nearest sounding before it
Detroit, MI (KDTX), launched 12:00Z, 10.3 hours before the alert went out and 55 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
- 70 J/kg
- Mixed-layer CIN
- -119 J/kg
- Mixed-layer LCL
- 1302 m above ground
- 0-6 km bulk shear
- 20 kt
- 0-1 km storm-relative helicity
- 63 m²/s²
- 0-3 km storm-relative helicity
- 96 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
310 WUUS53 KDTX 282217 SVRDTX MIC049-155-282300- BULLETIN - EAS ACTIVATION/IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE DETROIT/PONTIAC MI 617 PM EDT SAT JUN 28 2003 THE NATIONAL WEATHER SERVICE IN DETROIT/PONTIAC HAS ISSUED A * SEVERE THUNDERSTORM WARNING FOR... GENESEE COUNTY IN SOUTHEAST MICHIGAN SHIAWASSEE COUNTY IN SOUTHEAST MICHIGAN * UNTIL 700 PM EDT * AT 617 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM 2 MILES NORTHWEST OF LENNON...OR 11 MILES EAST OF OWOSSO...MOVING NORTHEAST AT 20 MPH. THIS SEVERE THUNDERSTORM HAS THE POTENTIAL OF PRODUCING WINDS UP TO 60 MPH AND HAIL UP TO ONE INCH IN DIAMETER. * THE SEVERE THUNDERSTORM WILL BE NEAR... NEW LOTHROP AT 625 PM EDT FLUSHING AT 635 PM EDT CLIO...MOUNT MORRIS...GENESEE AT 655 PM EDT IF YOU ARE CAUGHT OUTSIDE...SEEK SHELTER FROM THE WEATHER IN A STRONG BUILDING. STAY INSIDE AWAY FROM WINDOWS UNTIL THE STORM HAS PASSED. LAT...LON 4302 8415 4289 8397 4314 8357 4323 8375 $$ OKEEFE JB
The office that day
Everything else NWS Detroit, MI issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 28, 3:29 PM EDT | Severe Thunderstorm Warning | DTX | Midland | 46 min |
| Jun 28, 4:28 PM EDT | Special Marine Warning | DTX | 92 min | |
| Jun 28, 6:03 PM EDT | Severe Thunderstorm Warning | DTX | Washtenaw | 57 min |
| Jun 28, 6:59 PM EDT | Severe Thunderstorm Warning | DTX | Wayne | 46 min |
| Jun 28, 7:05 PM EDT | Severe Thunderstorm Warning | DTX | Genesee | 25 min |
| Jun 28, 7:16 PM EDT | Special Marine Warning | DTX | 44 min | |
| Jun 28, 7:29 PM EDT | Severe Thunderstorm Warning | DTX | Lenawee | 46 min |
| Jun 28, 7:48 PM EDT | Severe Thunderstorm Warning | DTX | Monroe | 42 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.