Alert archive / Michigan / Severe Thunderstorm Warnings in 2013
Severe Thunderstorm Warning 121, NWS Detroit, MI
NWS Detroit, MI issued this severe thunderstorm warning at Nov 17, 2013, 6:27 PM EST for Oakland County, Michigan. It was in force for 63 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
- Nov 17, 2013, 6:27 PM EST (23:27 UTC)
- Expired
- Nov 17, 2013, 7:30 PM EST
- In force
- 63 min
- Issued by
- NWS Detroit, MI
- Area
- Storm-based polygon
- Hail
- 0.75 in
- Wind
- 60.0 mph
County Oakland County, MI
The radar
The Detroit radar (KDTX), 8 km from the middle of the area, began a volume at 23:30 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 |
|---|---|---|---|
| Nov 17, 11:20 AM EST | Tornado Watch | SPC | 9 hr |
The nearest sounding before it
Detroit, MI (KDTX), launched 12:00Z, 11.5 hours before the alert went out and 8 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
- 11 J/kg
- Mixed-layer CIN
- -57 J/kg
- Mixed-layer LCL
- 476 m above ground
- 0-6 km bulk shear
- 53 kt
- 0-1 km storm-relative helicity
- 290 m²/s²
- 0-3 km storm-relative helicity
- 295 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 Nov 17, 5:41 PM EST, 46 minutes earlier.
Area forecast discussion, Nov 17, 5:41 PM EST, 46 minutes before
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</html>Hazardous weather outlook, Nov 17, 11:56 AM EST, 6 hours 31 minutes before
HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE DETROIT/PONTIAC MI 1156 AM EST SUN NOV 17 2013 MIZ047>049-053>055-060>063-068>070-075-076-082-083-181700- MIDLAND-BAY-HURON-SAGINAW-TUSCOLA-SANILAC-SHIAWASSEE-GENESEE-LAPEER- ST. CLAIR-LIVINGSTON-OAKLAND-MACOMB-WASHTENAW-WAYNE-LENAWEE-MONROE- 1156 AM EST SUN NOV 17 2013 THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF SOUTHEAST MICHIGAN. .DAY ONE...THIS AFTERNOON AND TONIGHT THERE IS A MODERATE RISK FOR SEVERE WEATHER FOR ALL OF SOUTHEAST MICHIGAN AS A STRONG LOW PRESSURE SYSTEM AND ASSOCIATED COLD FRONT TRACK THROUGH THE GREAT LAKES. THE GREATEST POTENTIAL FOR SEVERE WEATHER WILL BE BETWEEN 200PM AND 800PM. THE PRIMARY THREAT WILL BE WIDESPREAD DAMAGING WIND GUSTS IN EXCESS OF 70 MPH. HOWEVER...STORMS WILL ALSO BE CAPABLE OF PRODUCING TORNADOES...POTENTIALLY STRONG AND LONG-TRACKED... ALONG WITH A THREAT FOR MARGINALLY SEVERE HAIL. STORMS WILL MOVE VERY QUICKLY TO THE EAST-NORTHEAST AT 65 MPH. SUCH FAST STORM MOTIONS WILL REDUCE THE AMOUNT OF TIME THAT PEOPLE HAVE TO REACT TO IMPENDING THREATS. IN ADDITION...DAMAGING WINDS ARE EXPECTED FROM THIS EVENING THROUGH LATE TONIGHT AS WINDS POTENTIALLY GUST OVER 50 MPH ALONG AND BEHIND THE COLD FRONT. A HIGH WIND WARNING AND A TORNADO WATCH ARE IN EFFECT. PLEASE SEE THE LATEST FORECAST FOR MORE DETAIL. .DAYS TWO THROUGH SEVEN...MONDAY THROUGH SATURDAY A WIND ADVISORY MAY BE NEEDED THROUGH MONDAY AFTERNOON AS WINDS CONTINUE TO GUST TO AROUND 45 MPH BEHIND THE DEPARTING LOW PRESSURE SYSTEM. .SPOTTER INFORMATION STATEMENT... DISPATCHERS...PLEASE NOTIFY YOUR EMERGENCY MANAGER IMMEDIATELY. SPOTTER ACTIVATION HAS OCCURRED. LCZ422-423-460-LEZ444-LHZ361>363-421-422-441>443-462>464-181700- ST. CLAIR RIVER-DETROIT RIVER-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- 1156 AM EST SUN NOV 17 2013 THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF LAKE ERIE...LAKE HURON AND LAKE ST CLAIR. .DAY ONE...THIS AFTERNOON AND TONIGHT STORM WARNINGS...GALE WARNINGS...AND SMALL CRAFT ADVISORIES ARE IN EFFECT. IN ADDITION...A TORNADO WATCH IS IN EFFECT. PLEASE SEE THE LATEST FORECAST FOR MORE DETAIL. .DAYS TWO THROUGH SEVEN...MONDAY THROUGH SATURDAY STORM WARNINGS AND GALE WARNINGS ARE IN EFFECT. PLEASE SEE THE LATEST FORECAST FOR MORE DETAIL. .SPOTTER INFORMATION STATEMENT... DISPATCHERS...PLEASE NOTIFY YOUR EMERGENCY MANAGER IMMEDIATELY. SPOTTER ACTIVATION HAS OCCURRED. YOU CAN OBTAIN YOUR LATEST NATIONAL WEATHER SERVICE FORECASTS ONLINE AT WWW.WEATHER.GOV/DETROIT (ALL LOWER CASE).
In the hours before
Special weather statement, Nov 17, 5:44 PM EST, 43 minutes before
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</html>Local storm report, Nov 17, 5:54 PM EST, 33 minutes before
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</html>Local storm report, Nov 17, 5:57 PM EST, 30 minutes before
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</html>Local storm report, Nov 17, 6:04 PM EST, 23 minutes before
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</html>Local storm report, Nov 17, 6:10 PM EST, 17 minutes before
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</html>Local storm report, Nov 17, 6:17 PM EST, 10 minutes before
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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 |
|---|---|---|---|---|
| Nov 16, 10:13 PM EST | Gale Warning | DTX | 54 hr | |
| Nov 17, 3:34 AM EST | High Wind Watch | DTX | Bay, Genesee, Huron, Lapeer, Lenawee, Livingston and 11 more | 7 hr |
| Nov 17, 4:02 AM EST | Storm Warning | DTX | 28 hr | |
| Nov 17, 10:29 AM EST | High Wind Warning | DTX | Bay, Genesee, Huron, Lapeer, Lenawee, Livingston and 11 more | 17 hr |
| Nov 17, 2:49 PM EST | Low Water Advisory | DTX | 25 hr | |
| Nov 17, 3:56 PM EST | Severe Thunderstorm Warning | DTX | Bay, Midland, Saginaw | 79 min |
| Nov 17, 4:21 PM EST | Special Marine Warning | DTX | 84 min | |
| Nov 17, 4:47 PM EST | Severe Thunderstorm Warning | DTX | Shiawassee | 43 min |
| Nov 17, 4:56 PM EST | Severe Thunderstorm Warning | DTX | Livingston | 49 min |
| Nov 17, 5:02 PM EST | Severe Thunderstorm Warning | DTX | Genesee, Tuscola | 73 min |
| Nov 17, 5:08 PM EST | Severe Thunderstorm Warning | DTX | Lenawee, Washtenaw | 67 min |
| Nov 17, 5:20 PM EST | Severe Thunderstorm Warning | DTX | Monroe | 40 min |
| Nov 17, 5:31 PM EST | Severe Thunderstorm Warning | DTX | Wayne | 59 min |
| Nov 17, 5:31 PM EST | Severe Thunderstorm Warning | DTX | Lapeer | 74 min |
| Nov 17, 5:35 PM EST | Severe Thunderstorm Warning | DTX | Livingston, Oakland | 55 min |
| Nov 17, 5:38 PM EST | Special Marine Warning | DTX | 82 min | |
| Nov 17, 5:49 PM EST | Severe Thunderstorm Warning | DTX | Macomb, Saint Clair | 71 min |
| Nov 17, 5:58 PM EST | Severe Thunderstorm Warning | DTX | Monroe | 32 min |
| Nov 17, 6:10 PM EST | Special Marine Warning | DTX | 80 min |
Nearby
Severe Thunderstorm Warnings in Michigan, 2013Every severe thunderstorm warning in 2013
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.