Alert archive / Michigan / Severe Thunderstorm Warnings in 2010
Severe Thunderstorm Warning 63, NWS Detroit, MI
NWS Detroit, MI issued this severe thunderstorm warning at Jul 23, 2010, 1:48 PM EDT for Macomb County, Washtenaw County, Wayne County, Michigan. It was in force for 31 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 23, 2010, 1:48 PM EDT (17:48 UTC)
- Expired
- Jul 23, 2010, 2:19 PM EDT
- In force
- 31 min
- Issued by
- NWS Detroit, MI
- Area
- Storm-based polygon
- Hail
- 0.75 in
- Wind
- 60.0 mph
Counties Macomb County, MI, Washtenaw County, MI, Wayne County, MI
The radar
The Detroit radar (KDTX), 35 km from the middle of the area, began a volume at 17:48 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, 5.8 hours before the alert went out and 36 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
- 2736 J/kg
- Mixed-layer CIN
- -2 J/kg
- Mixed-layer LCL
- 470 m above ground
- 0-6 km bulk shear
- 31 kt
- 0-1 km storm-relative helicity
- 202 m²/s²
- 0-3 km storm-relative helicity
- 168 m²/s²
- Significant tornado parameter
- 1.5
- Supercell composite
- 8.7
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 23, 1:36 PM EDT, 12 minutes earlier.
Area forecast discussion, Jul 23, 1:36 PM EDT, 12 minutes before
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</html>Hazardous weather outlook, Jul 23, 4:25 AM EDT, 9 hours 23 minutes before
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Local storm report, Jul 23, 8:10 AM EDT, 5 hours 38 minutes before
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</html>Special weather statement, Jul 23, 12:46 PM EDT, 1 hour 2 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE DETROIT/PONTIAC MI 1246 PM EDT FRI JUL 23 2010 MIZ063-068>070-075-076-082-083-231745- LENAWEE-LIVINGSTON-MACOMB-MONROE-OAKLAND-ST. CLAIR-WASHTENAW-WAYNE- 1246 PM EDT FRI JUL 23 2010 ...SPECIAL WEATHER STATEMENT... AT 1239 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED AN AREA OF DEVELOPING THUNDERSTORMS. THE LEADING EDGE OF THE AREA OF THUNDERSTORMS EXTENDED ALONG A LINE EXTENDING FROM 6 MILES NORTH OF MOUNT CLEMENS TO 4 MILES EAST OF NOVI TO SALINE TO 12 MILES WEST OF MANCHESTER...MOVING EAST AT 40 MPH. WINDS GREATER UP TO 35 MPH... AND OCCASIONAL CLOUD TO GROUND LIGHTNING ARE POSSIBLE WITH THESE STORMS. BRIEF HEAVY RAINFALL IS ALSO POSSIBLE WHICH WILL LEAD TO SOME LOCAL PONDING ON WATER ON AREA ROADWAYS. * THUNDERSTORMS WILL BE NEAR... NEW BALTIMORE AND YPSILANTI BY 1250 PM EDT... MOUNT CLEMENS BY 1255 PM EDT... WILLIS AND WARREN BY 100 PM EDT... MARINE CITY AND DETROIT BY 105 PM EDT... TAYLOR AND HARSENS ISLAND BY 110 PM EDT... MILAN AND GROSSE POINTE BY 115 PM EDT... WYANDOTTE BY 120 PM EDT... GUSTY WINDS MAY CAUSE SMALL OBJECTS SUCH AS TRASH BINS TO BLOW AROUND. STAY AWAY FROM HIGH OBJECTS OUTDOORS SUCH AS TREES. SEEK SHELTER IN A STURDY STRUCTURE UNTIL THESE STORMS HAVE PASSED. RBP
The office that day
Everything else NWS Detroit, MI issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 22, 8:10 PM EDT | Flash Flood Watch | DTX | Bay, Genesee, Huron, Lapeer, Lenawee, Livingston and 11 more | 7 hr |
| Jul 22, 9:04 PM EDT | Small Craft Advisory | DTX | 7 hr | |
| Jul 23, 1:10 PM EDT | Special Marine Warning | DTX | 103 min | |
| Jul 23, 1:52 PM EDT | Areal Flood Advisory | DTX | Macomb, Oakland, Washtenaw, Wayne | 2 hr |
| Jul 23, 4:56 PM EDT | Heat Advisory | DTX | Lenawee, Livingston, Macomb, Monroe, Oakland, Washtenaw and 1 more | 3 hr |
| Jul 23, 5:32 PM EDT | Severe Thunderstorm Warning | DTX | Wayne | 31 min |
| Jul 23, 5:36 PM EDT | Special Marine Warning | DTX | 40 min | |
| Jul 23, 5:41 PM EDT | Severe Thunderstorm Warning | DTX | Livingston, Washtenaw | 48 min |
| Jul 23, 5:51 PM EDT | Flash Flood Warning | DTX | Livingston, Oakland, Washtenaw, Wayne | 4 hr |
| Jul 23, 6:08 PM EDT | Severe Thunderstorm Warning | DTX | Washtenaw | 39 min |
| Jul 23, 6:14 PM EDT | Severe Thunderstorm Warning | DTX | Wayne | 55 min |
| Jul 23, 6:26 PM EDT | Tornado Warning | DTX | Monroe, Washtenaw, Wayne | 40 min |
| Jul 23, 6:31 PM EDT | Severe Thunderstorm Warning | DTX | Lenawee, Washtenaw | 29 min |
| Jul 23, 6:38 PM EDT | Special Marine Warning | DTX | 36 min | |
| Jul 23, 7:44 PM EDT | Severe Thunderstorm Warning | DTX | Lenawee | 35 min |
Nearby
Severe Thunderstorm Warnings in Michigan, 2010Every severe thunderstorm warning in 2010
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.