Alert archive / Michigan / Severe Thunderstorm Warnings in 2007
Severe Thunderstorm Warning 35, NWS Detroit, MI
NWS Detroit, MI issued this severe thunderstorm warning at Jun 8, 2007, 12:57 PM EDT for Huron County, Sanilac County, Michigan. It was in force for 35 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
- Jun 8, 2007, 12:57 PM EDT (16:57 UTC)
- Expired
- Jun 8, 2007, 1:32 PM EDT
- In force
- 35 min
- Issued by
- NWS Detroit, MI
- Area
- Counties, with a storm outline in the text
Counties Huron County, MI, Sanilac County, MI
The radar
The Detroit radar (KDTX), 123 km from the middle of the area, began a volume at 16:57 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 8, 11:43 AM EDT | Severe Thunderstorm Watch | SPC | 7 hr |
The nearest sounding before it
Detroit, MI (KDTX), launched 12:00Z, 5.0 hours before the alert went out and 120 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
- 688 J/kg
- Mixed-layer CIN
- -82 J/kg
- Mixed-layer LCL
- 974 m above ground
- 0-6 km bulk shear
- 50 kt
- 0-1 km storm-relative helicity
- 91 m²/s²
- 0-3 km storm-relative helicity
- 171 m²/s²
- Significant tornado parameter
- 0.3
- Supercell composite
- 2.1
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 Jun 8, 9:17 AM EDT, 3 hours 40 minutes earlier.
Area forecast discussion, Jun 8, 9:17 AM EDT, 3 hours 40 minutes before
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</html>Hazardous weather outlook, Jun 8, 12:05 PM EDT, 52 minutes before
HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE DETROIT/PONTIAC MI 1205 PM EDT FRI JUN 8 2007 MIZ047>049-053-091615- MIDLAND-BAY-HURON-SAGINAW- 1205 PM EDT FRI JUN 8 2007 THIS HAZARDOUS WEATHER OUTLOOK IS FOR THE HURON COUNTY AND THE TRI-CITIES REGION. .DAY ONE...THIS AFTERNOON AND TONIGHT ISOLATED TO SCATTERED THUNDERSTORMS WILL MOVE THROUGH THE AREA EARLY THIS AFTERNOON. THERE IS A SLIGHT CHANCE OF SEVERE WEATHER...ESPECIALLY OVER HURON COUNTY. THE MAIN HAZARD WILL BE WIND GUSTS TO 60 MPH. STORM MOTION WILL BE EAST AT 40 MPH. A COLD FRONT MOVING THROUGH THE REGION WILL END THE THUNDERSTORM THREAT BY LATE AFTERNOON. .DAYS TWO THROUGH SEVEN...SATURDAY THROUGH THURSDAY NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME. .SPOTTER INFORMATION STATEMENT... DISPATCHERS...PLEASE NOTIFY YOUR EMERGENCY MANAGERS IMMEDIATELY. SPOTTER ACTIVATION HAS OCCURRED. MIZ054-055-060>062-068-069-075-082-091615- TUSCOLA-SANILAC-SHIAWASSEE-GENESEE-LAPEER-LIVINGSTON-OAKLAND- WASHTENAW-LENAWEE- 1205 PM EDT FRI JUN 8 2007 THIS HAZARDOUS WEATHER OUTLOOK IS FOR MOST OF SOUTHEAST MICHIGAN. .DAY ONE...THIS AFTERNOON AND TONIGHT SCATTERED THUNDERSTORMS WILL MOVE THROUGH THE AREA THIS AFTERNOON. THESE THUNDERSTORMS MAY BE SEVERE...PRODUCING WIND GUSTS TO 70 MPH AND HAIL TO AROUND ONE INCH IN DIAMETER. SEVERE THUNDERSTORM WATCH 369 IS IN EFFECT UNTIL 7 PM. STORM MOTION WILL BE EAST AT 40 MPH. A COLD FRONT MOVING THROUGH THE REGION WILL END THE THUNDERSTORM THREAT LATE THIS AFTERNOON. .DAYS TWO THROUGH SEVEN...SATURDAY THROUGH THURSDAY NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME. .SPOTTER INFORMATION STATEMENT... DISPATCHERS...PLEASE NOTIFY YOUR EMERGENCY MANAGERS IMMEDIATELY. SPOTTER ACTIVATION HAS OCCURRED. MIZ063-070-076-083-091615- ST. CLAIR-MACOMB-WAYNE-MONROE- 1205 PM EDT FRI JUN 8 2007 THIS HAZARDOUS WEATHER OUTLOOK IS FOR ST CLAIR...MACOMB...WAYNE AND MONROE COUNTIES. .DAY ONE...THIS AFTERNOON AND TONIGHT NUMEROUS THUNDERSTORMS WILL MOVE THROUGH THE AREA THIS AFTERNOON. A FEW OF THESE THUNDERSTORMS WILL LIKELY BE SEVERE. THERE IS THE POTENTIAL FOR WIND GUSTS TO 80 MPH...ALONG WITH HAIL AROUND ONE INCH IN DIAMETER. AN ISOLATED TORNADO...ALTHOUGH UNLIKELY...CAN NOT BE TOTALLY RULED OUT. SEVERE THUNDERSTORM WATCH 369 IS IN EFFECT UNTIL 7 PM. STORM MOTION WILL BE EAST AT 40 MPH. A COLD FRONT MOVING THROUGH THE REGION WILL END THE THUNDERSTORM THREAT BY 7 PM. .DAYS TWO THROUGH SEVEN...SATURDAY THROUGH THURSDAY NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME. .SPOTTER INFORMATION STATEMENT... DISPATCHERS...PLEASE NOTIFY YOUR EMERGENCY MANAGERS IMMEDIATELY. SPOTTER ACTIVATION HAS OCCURRED. LCZ422-423-460-LEZ444-LHZ421-422-441>443-462>464-091615- ST. CLAIR RIVER-DETROIT RIVER-LAKE ST. CLAIR- MICHIGAN WATERS OF LAKE ERIE-OUTER SAGINAW BAY-INNER SAGINAW BAY- PORT AUSTIN TO HARBOR BEACH MI-HARBOR BEACH TO PORT SANILAC MI- PORT SANILAC TO PORT HURON MI- LAKE HURON OFFSHORE BEYOND 5 NM FROM PORT AUSTIN TO HARBOR BEACH MI- LAKE HURON OFFSHORE BEYOND 5 NM FROM HARBOR BEACH TO PORT SANILAC MI- LAKE HURON OFFSHORE BEYOND 5 NM FROM PORT SANILAC TO PORT HURON MI- 1205 PM EDT FRI JUN 8 2007 THIS HAZARDOUS WEATHER OUTLOOK IS FOR LAKE ST CLAIR...THE MICHIGAN WATERS OF LAKE ERIE AND LAKE HURON. .DAY ONE...THIS AFTERNOON AND TONIGHT SCATTERED TO NUMEROUS THUNDERSTORMS WILL MOVE THROUGH MOST OF THE SOUTHERN MARINE WATERS THIS AFTERNOON. SEVERE THUNDERSTORM WATCH 369 IS IN EFFECT UNTIL 7 PM FOR THE NEARSHORE WATERS OF LAKE HURON FROM HARBOR BEACH TO PORT HURON...LAKE ST CLAIR...AND THE MICHIGAN WATERS OF LAKE ERIE. THE STRONGEST STORMS WILL BE CAPABLE OF PRODUCING WIND GUSTS TO 60 KNOTS AND HAIL TO ONE INCH IN DIAMETER AS THEY MOVE EAST AT 40 MPH. THESE STORMS WILL BE THE RESULT OF A COLD FRONT MOVING ACROSS THE STATE TODAY...WITH THE THREAT OF THUNDERSTORMS ENDING BY 7 PM. .DAYS TWO THROUGH SEVEN...SATURDAY THROUGH THURSDAY NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME. .SPOTTER INFORMATION STATEMENT... DISPATCHERS...PLEASE NOTIFY YOUR EMERGENCY MANAGERS IMMEDIATELY. SPOTTER ACTIVATION HAS OCCURRED. SF YOU CAN OBTAIN YOUR LATEST NATIONAL WEATHER SERVICE FORECASTS ONLINE AT WWW.WEATHER.GOV/DETROIT (ALL LOWER CASE).
The office that day
Everything else NWS Detroit, MI issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 8, 12:58 PM EDT | Special Marine Warning | DTX | 62 min | |
| Jun 8, 1:12 PM EDT | Severe Thunderstorm Warning | DTX | Wayne | 56 min |
| Jun 8, 1:20 PM EDT | Special Marine Warning | DTX | 43 min | |
| Jun 8, 1:25 PM EDT | Special Marine Warning | DTX | 52 min | |
| Jun 8, 1:31 PM EDT | Severe Thunderstorm Warning | DTX | Monroe | 32 min |
| Jun 8, 1:50 PM EDT | Severe Thunderstorm Warning | DTX | Saint Clair | 25 min |
Nearby
Severe Thunderstorm Warnings in Michigan, 2007Every severe thunderstorm warning in 2007
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.