Alert archive / Michigan / Severe Thunderstorm Warnings in 2015
Severe Thunderstorm Warning 38, NWS Detroit, MI
NWS Detroit, MI issued this severe thunderstorm warning at Aug 2, 2015, 1:33 PM EDT for Huron County, Sanilac County, Tuscola County, Michigan. It was in force for 57 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
- Aug 2, 2015, 1:33 PM EDT (17:33 UTC)
- Expired
- Aug 2, 2015, 2:30 PM EDT
- In force
- 57 min
- Issued by
- NWS Detroit, MI
- Area
- Storm-based polygon
- Hail
- 1.0 in
- Wind
- 50.0 mph
Counties Huron County, MI, Sanilac County, MI, Tuscola County, MI
The radar
The Detroit radar (KDTX), 109 km from the middle of the area, began a volume at 17:35 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, 5.6 hours before the alert went out and 106 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
- 12 J/kg
- Mixed-layer CIN
- -186 J/kg
- Mixed-layer LCL
- 1599 m above ground
- 0-6 km bulk shear
- 38 kt
- 0-1 km storm-relative helicity
- 113 m²/s²
- 0-3 km storm-relative helicity
- 218 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
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 Aug 2, 11:53 AM EDT, 1 hour 40 minutes earlier.
Area forecast discussion, Aug 2, 11:53 AM EDT, 1 hour 40 minutes before
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</html>Hazardous weather outlook, Aug 2, 3:51 AM EDT, 9 hours 42 minutes before
HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE DETROIT/PONTIAC MI 351 AM EDT SUN AUG 2 2015 MIZ047>049-053>055-060>063-068>070-075-076-082-083-030800- MIDLAND-BAY-HURON-SAGINAW-TUSCOLA-SANILAC-SHIAWASSEE-GENESEE-LAPEER- ST. CLAIR-LIVINGSTON-OAKLAND-MACOMB-WASHTENAW-WAYNE-LENAWEE-MONROE- 351 AM EDT SUN AUG 2 2015 THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF SOUTHEAST MICHIGAN. .DAY ONE...TODAY AND TONIGHT THUNDERSTORMS ARE LIKELY THIS AFTERNOON INTO TONIGHT. THERE IS AN ENHANCED RISK THAT THESE STORMS WILL BE SEVERE. THE PRIMARY THREAT IS WIND GUSTS TO 60 MPH. ADDITIONAL THREATS INCLUDE LARGE HAIL TO ONE INCH IN DIAMETER AND AN ISOLATED TORNADO MAINLY NORTH OF THE I- 69 CORRIDOR. THE GREATEST THREAT IS BETWEEN 8PM AND 2AM...ALTHOUGH AN ISOLATED SEVERE THUNDERSTORM IS POSSIBLE NORTH OF THE M59 CORRIDOR AS EARLY AS 3PM. STORM MOTION WILL BE NORTHWEST TO SOUTHEAST AT 40 MPH. A BEACH HAZARDS STATEMENT IS IN EFFECT FOR HURON COUNTY. SEE THE LATEST COASTAL HAZARD MESSAGE FOR DETAIL. .DAYS TWO THROUGH SEVEN...MONDAY THROUGH SATURDAY NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME. .SPOTTER INFORMATION STATEMENT... SPOTTER ACTIVATION MAY BE NEEDED THIS EVENING INTO TONIGHT. DISPATCHERS PLEASE NOTIFY YOUR EMERGENCY MANAGERS IMMEDIATELY. LCZ460-LEZ444-LHZ361>363-421-422-441>443-462>464-030800- LAKE ST. CLAIR- MICHIGAN WATERS OF LAKE ERIE FROM DETROIT RIVER TO NORTH CAPE MI- LAKE HURON FROM 5NM EAST OF MACKINAC BRIDGE TO PRESQUE ISLE LT BEYOND 5 NM OFF SHORE- LAKE HURON FROM PRESQUE ISLE LIGHT TO STURGEON POINT MI BEYOND 5NM OFF SHORE- LAKE HURON FROM STURGEON POINT TO ALABASTER MI BEYOND 5NM OFF SHORE- OUTER SAGINAW BAY SW OF ALABASTER TO PORT AUSTIN MI TO INNER SAGINAW BAY-INNER SAGINAW BAY SW OF POINT AU GRES TO BAY PORT MI- PORT AUSTIN TO HARBOR BEACH MI-HARBOR BEACH TO PORT SANILAC MI- PORT SANILAC TO PORT HURON MI- LAKE HURON FROM PORT AUSTIN TO HARBOR BEACH BEYOND 5NM OFF SHORE- LAKE HURON FROM HARBOR BEACH TO PORT SANILAC BEYOND 5NM OFF SHORE- LAKE HURON FROM PORT SANILAC TO PORT HURON BEYOND 5NM OFF SHORE- 351 AM EDT SUN AUG 2 2015 THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF LAKE ERIE...LAKE HURON AND LAKE ST CLAIR. .DAY ONE...TODAY AND TONIGHT THUNDERSTORMS ARE LIKELY THIS AFTERNOON INTO TONIGHT. THERE IS AN ENHANCED RISK THAT THESE STORMS WILL BE SEVERE. THE PRIMARY THREAT IS WIND GUSTS TO 60 MPH. ADDITIONAL THREATS INCLUDE LARGE HAIL TO ONE INCH IN DIAMETER AND AN ISOLATED TORNADO MAINLY NORTH OF THE I- 69 CORRIDOR. THE GREATEST THREAT IS BETWEEN 8PM AND 2AM...ALTHOUGH AN ISOLATED SEVERE THUNDERSTORM IS POSSIBLE NORTH OF THE M59 CORRIDOR AS EARLY AS 3PM. STORM MOTION WILL BE NORTHWEST TO SOUTHEAST AT 40 MPH. A BEACH HAZARDS STATEMENT IS IN EFFECT FOR HURON COUNTY. SEE THE LATEST COASTAL HAZARD MESSAGE FOR DETAIL. SMALL CRAFT ADVISORIES ARE IN EFFECT. SEE THE FORECAST FOR DETAIL. .DAYS TWO THROUGH SEVEN...MONDAY THROUGH SATURDAY NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME. .SPOTTER INFORMATION STATEMENT... SPOTTER ACTIVATION WILL NOT BE NEEDED TODAY AND TONIGHT. 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 |
|---|---|---|---|---|
| Aug 2, 3:58 AM EDT | Beach Hazards Statement | DTX | Huron | 18 hr |
| Aug 2, 1:44 PM EDT | Special Marine Warning | DTX | 91 min | |
| Aug 2, 2:18 PM EDT | Severe Thunderstorm Warning | DTX | Huron | 57 min |
| Aug 2, 2:24 PM EDT | Severe Thunderstorm Warning | DTX | Sanilac, Tuscola | 81 min |
| Aug 2, 2:28 PM EDT | Special Marine Warning | DTX | 62 min | |
| Aug 2, 2:35 PM EDT | Severe Thunderstorm Warning | DTX | Bay, Saginaw | 55 min |
| Aug 2, 2:55 PM EDT | Special Marine Warning | DTX | 95 min | |
| Aug 2, 2:56 PM EDT | Special Marine Warning | DTX | 94 min | |
| Aug 2, 3:21 PM EDT | Tornado Warning | DTX | Sanilac, Tuscola | 39 min |
| Aug 2, 3:29 PM EDT | Severe Thunderstorm Warning | DTX | Bay, Saginaw | 32 min |
| Aug 2, 3:34 PM EDT | Severe Thunderstorm Warning | DTX | Sanilac, Tuscola | 56 min |
| Aug 2, 5:10 PM EDT | Special Marine Warning | DTX | 65 min | |
| Aug 2, 5:42 PM EDT | Special Marine Warning | DTX | 2 hr | |
| Aug 2, 5:45 PM EDT | Severe Thunderstorm Warning | DTX | Huron | 90 min |
| Aug 2, 5:57 PM EDT | Severe Thunderstorm Warning | DTX | Bay | 48 min |
| Aug 2, 6:18 PM EDT | Special Marine Warning | DTX | 87 min | |
| Aug 2, 6:24 PM EDT | Severe Thunderstorm Warning | DTX | Huron, Sanilac, Tuscola | 81 min |
| Aug 2, 7:05 PM EDT | Special Marine Warning | DTX | 115 min | |
| Aug 2, 7:08 PM EDT | Severe Thunderstorm Warning | DTX | Huron, Sanilac | 32 min |
| Aug 2, 7:25 PM EDT | Severe Thunderstorm Warning | DTX | Tuscola | 15 min |
| Aug 2, 7:41 PM EDT | Areal Flood Advisory | DTX | Tuscola | 3 hr |
| Aug 2, 7:45 PM EDT | Severe Thunderstorm Warning | DTX | Bay, Midland | 30 min |
| Aug 2, 7:51 PM EDT | Special Marine Warning | DTX | 84 min |
Nearby
Severe Thunderstorm Warnings in Michigan, 2015Every severe thunderstorm warning in 2015
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.