Alert archive / Michigan / Severe Thunderstorm Warnings in 2001
Severe Thunderstorm Warning 44, NWS Detroit, MI
NWS Detroit, MI issued this severe thunderstorm warning at Jul 4, 2001, 4:07 AM EDT for Bay County, Saginaw County, Michigan. It was in force for 38 min. No storm report in the archive falls inside the area while it was in force.
The area
The counties it named.
The facts
- Issued
- Jul 4, 2001, 4:07 AM EDT (08:07 UTC)
- Expired
- Jul 4, 2001, 4:45 AM EDT
- In force
- 38 min
- Issued by
- NWS Detroit, MI
- Area
- Whole counties
Counties Bay County, MI, Saginaw County, MI
The radar
The Detroit radar (KDTX), 101 km from the middle of the area, began a volume at 08:06 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, 8.1 hours before the alert went out and 101 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
- 144 J/kg
- Mixed-layer CIN
- -53 J/kg
- Mixed-layer LCL
- 744 m above ground
- 0-6 km bulk shear
- 40 kt
- 0-1 km storm-relative helicity
- 75 m²/s²
- 0-3 km storm-relative helicity
- 104 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.2
The text
The text of this product is not in the archive. The NWS text archive before 2002 is incomplete.
What forecasters said that day
The local office's own words before this severe thunderstorm warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.
NWS Detroit, MI wrote its last area forecast discussion before this severe thunderstorm warning went out at Jul 4, 3:30 AM EDT, 37 minutes earlier.
Area forecast discussion, Jul 4, 3:30 AM EDT, 37 minutes before
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Special weather statement, Jul 3, 10:28 PM EDT, 5 hours 39 minutes before
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<div class="status" id="status">Temporary Notice</div>
<h1 id="headline">This service is currently unavailable.</h1>
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The site you requested is temporarily down for maintenance or an unexpected outage.
</p>
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</html>The office that day
Everything else NWS Detroit, MI issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 4, 1:53 PM EDT | Severe Thunderstorm Warning | DTX | Livingston | 52 min |
| Jul 4, 2:03 PM EDT | Severe Thunderstorm Warning | DTX | Lapeer | 42 min |
| Jul 4, 2:16 PM EDT | Severe Thunderstorm Warning | DTX | Saint Clair | 44 min |
| Jul 4, 2:58 PM EDT | Severe Thunderstorm Warning | DTX | Oakland | 47 min |
| Jul 4, 3:06 PM EDT | Severe Thunderstorm Warning | DTX | Macomb, Wayne | 39 min |
| Jul 4, 3:42 PM EDT | Severe Thunderstorm Warning | DTX | Wayne | 18 min |
Nearby
Severe Thunderstorm Warnings in Michigan, 2001Every severe thunderstorm warning in 2001
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.