Alert archive / Michigan / Severe Thunderstorm Warnings in 2015

Severe Thunderstorm Warning 62, NWS Detroit, MI

August 19, 2015Huron County, Sanilac County, Michigan

NWS Detroit, MI issued this severe thunderstorm warning at Aug 19, 2015, 5:00 PM EDT for Huron County, Sanilac County, Michigan. It was in force for 45 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 19, 2015, 5:00 PM EDT (21:00 UTC)
Expired
Aug 19, 2015, 5:45 PM EDT
In force
45 min
Issued by
NWS Detroit, MI
Area
Storm-based polygon
Hail
0.75 in
Wind
60.0 mph

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 21:02 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.

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 19, 3:37 PM EDT, 1 hour 23 minutes earlier.

Area forecast discussion, Aug 19, 3:37 PM EDT, 1 hour 23 minutes before
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Hazardous weather outlook, Aug 19, 1:45 PM EDT, 3 hours 15 minutes before
HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE DETROIT/PONTIAC MI
145 PM EDT WED AUG 19 2015

MIZ047>049-053>055-060>063-068>070-075-076-082-083-200830-
MIDLAND-BAY-HURON-SAGINAW-TUSCOLA-SANILAC-SHIAWASSEE-GENESEE-LAPEER-
ST. CLAIR-LIVINGSTON-OAKLAND-MACOMB-WASHTENAW-WAYNE-LENAWEE-MONROE-
145 PM EDT WED AUG 19 2015

THIS HAZARDOUS WEATHER OUTLOOK IS FOR SOUTHEAST MICHIGAN.

.DAY ONE...TODAY AND TONIGHT

SCATTERED THUNDERSTORMS ARE EXPECTED THIS AFTERNOON INTO TONIGHT AS
A COLD FRONT SLOWLY TRACKS THROUGH THE STATE. TORRENTIAL RAINFALL
WILL BE THE MAIN HAZARD...BUT ISOLATED DAMAGING WINDS REMAIN
POSSIBLE. STORM MOTION WILL BE SOUTHWEST TO NORTHEAST AT 35 MPH BUT
LINES OF STORMS WILL BE SLOWER TO MOVE WHICH COULD RESULT IN
FLOODING IN THE NORMALLY FLOOD PRONE URBAN AREAS.

.DAYS TWO THROUGH SEVEN...THURSDAY THROUGH TUESDAY

THERE IS A CHANCE OF THUNDERSTORMS SUNDAY AS THE NEXT COLD FRONT
MOVES INTO THE REGION.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION IS UNLIKELY DUE TO LIMITED SEVERE COVERAGE
EXPECTED.

LCZ460-LEZ444-LHZ361>363-421-422-441>443-462>464-200830-
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-
145 PM EDT WED AUG 19 2015

THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF LAKE ERIE...LAKE
HURON AND LAKE ST CLAIR.

.DAY ONE...TODAY AND TONIGHT

A SMALL CRAFT ADVISORY IS IN EFFECT TODAY AND TONIGHT FOR SAGINAW
BAY. PLEASE SEE THE LATEST MARINE FORECASTS AND STATEMENTS FOR
DETAILS.

SCATTERED THUNDERSTORMS THIS AFTERNOON THROUGH TONIGHT. A FEW STORMS
COULD PRODUCE WIND GUSTS TO 50 KNOTS ALONG WITH TORRENTIAL RAINFALL.
STORM MOTION WILL BE SOUTHWEST TO NORTHEAST AT 30 KNOTS.

.DAYS TWO THROUGH SEVEN...THURSDAY THROUGH TUESDAY

A SMALL CRAFT ADVISORY IS IN EFFECT FOR SAGINAW BAY THROUGH
THURSDAY EVENING. PLEASE SEE THE LATEST MARINE FORECASTS AND
STATEMENTS FOR DETAILS.

THERE IS A CHANCE OF THUNDERSTORMS SUNDAY AS THE NEXT COLD FRONT
MOVES INTO THE REGION.

.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).

SF

In the hours before

Special weather statement, Aug 19, 3:57 PM EDT, 1 hour 3 minutes before
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Special weather statement, Aug 19, 4:05 PM EDT, 55 minutes before
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Local storm report, Aug 19, 4:19 PM EDT, 41 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE DETROIT/PONTIAC MI
419 PM EDT WED AUG 19 2015

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

0247 PM     TSTM WND DMG     3 E BRIGHTON            42.53N 83.72W
08/19/2015                   LIVINGSTON         MI   911 CALL CENTER

            TREE DOWN AT PLEASANT VALLEY AND BURGOYNE

0250 PM     TSTM WND DMG     5 SSW BRIGHTON          42.46N 83.83W
08/19/2015                   LIVINGSTON         MI   911 CALL CENTER

            TREE DOWN AT CHILLSON AND MARSHALL.

&&

PATRICKSAUNDERS
Special weather statement, Aug 19, 4:38 PM EDT, 22 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE DETROIT/PONTIAC MI
438 PM EDT WED AUG 19 2015

MIZ063-069-070-192130-
MACOMB-OAKLAND-ST. CLAIR-
438 PM EDT WED AUG 19 2015

...A LINE OF STRONG THUNDERSTORMS WILL AFFECT CENTRAL ST. CLAIR...
MACOMB AND NORTHEASTERN OAKLAND COUNTIES...

AT 438 PM EDT...A LINE OF STRONG THUNDERSTORMS WAS ALONG A LINE
EXTENDING FROM NEAR DRYDEN TO NEAR MOUNT CLEMENS...AND MOVING
NORTHEAST AT 25 MPH.

WINDS IN EXCESS OF 30 MPH ARE POSSIBLE WITH THESE STORMS.

LOCATIONS IMPACTED INCLUDE...
WARREN...ST. CLAIR SHORES...MOUNT CLEMENS...NEW BALTIMORE...
RICHMOND...ALGONAC...ROMEO...STERLING HEIGHTS...ROCHESTER...ARMADA...
MEMPHIS...MACOMB TOWNSHIP...HARSENS ISLAND...ROCHESTER HILLS...
ROSEVILLE...EASTPOINTE...FRASER...UTICA...NEW HAVEN AND WASHINGTON.

TORRENTIAL RAINFALL IS ALSO OCCURRING WITH THESE STORMS...AND MAY
CAUSE LOCALIZED FLOODING. DO NOT DRIVE YOUR VEHICLE THROUGH FLOODED
ROADWAYS.

LAT...LON 4261 8255 4261 8252 4255 8266 4260 8266
      4256 8268 4260 8267 4259 8271 4260 8271
      4267 8262 4268 8273 4264 8282 4257 8278
      4247 8295 4287 8325 4289 8299 4296 8298
      4301 8282 4269 8250
TIME...MOT...LOC 2038Z 240DEG 24KT 4288 8316 4257 8292

SC
Special weather statement, Aug 19, 4:48 PM EDT, 12 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE DETROIT/PONTIAC MI
448 PM EDT WED AUG 19 2015

MIZ049-054-055-192115-
SANILAC-TUSCOLA-HURON-
448 PM EDT WED AUG 19 2015

...A LINE OF STRONG THUNDERSTORMS WILL AFFECT HURON...NORTHWESTERN
SANILAC AND NORTHEASTERN TUSCOLA COUNTIES...

AT 448 PM EDT...A LINE OF STRONG THUNDERSTORMS WAS ALONG A LINE
EXTENDING FROM NEAR CASEVILLE TO NEAR GAGETOWN...AND MOVING NORTHEAST
AT 50 MPH.

WINDS IN EXCESS OF 40 MPH ARE POSSIBLE WITH THESE STORMS.

LOCATIONS IMPACTED INCLUDE...
BAD AXE...CASS CITY...HARBOR BEACH...UBLY...CASEVILLE...PORT
AUSTIN...PORT HOPE...PIGEON...ELKTON...KINDE...GAGETOWN...OWENDALE...
VERONA...HELENA...MINDEN...REDMAN...RAPSON...PINNEBOG...PARISVILLE
AND TYRE.

LAT...LON 4405 8289 4403 8280 4399 8274 4388 8268
      4383 8263 4371 8261 4356 8320 4387 8335
      4390 8333 4391 8337 4393 8330 4398 8325
      4399 8315 4401 8311 4400 8307 4404 8303
      4405 8299 4407 8297 4407 8292
TIME...MOT...LOC 2048Z 225DEG 42KT 4395 8333 4369 8324

SC
Local storm report, Aug 19, 4:56 PM EDT, 4 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE DETROIT/PONTIAC MI
456 PM EDT WED AUG 19 2015

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

0402 PM     TSTM WND DMG     3 SE LAPEER             43.01N 83.28W
08/19/2015                   LAPEER             MI   911 CALL CENTER

            TREE DOWNED IN LAPEER TOWNSHIP

0429 PM     TSTM WND DMG     MAYVILLE                43.34N 83.35W
08/19/2015                   TUSCOLA            MI   911 CALL CENTER

            WIRES AND TREES REPORTED DOWN IN THE MAYVILLE AREA

&&

PATRICKSAUNDERS

The office that day

Everything else NWS Detroit, MI issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Aug 19, 3:59 AM EDTSmall Craft AdvisoryDTX48 hr
Aug 19, 2:46 PM EDTSpecial Weather StatementDTXLivingston29 min
Aug 19, 3:21 PM EDTSpecial Weather StatementDTXSaginaw39 min
Aug 19, 3:23 PM EDTSpecial Weather StatementDTXGenesee37 min
Aug 19, 3:30 PM EDTSpecial Weather StatementDTXSaginaw30 min
Aug 19, 3:40 PM EDTSpecial Weather StatementDTXLapeer35 min
Aug 19, 3:53 PM EDTSpecial Weather StatementDTXBay37 min
Aug 19, 3:57 PM EDTSpecial Weather StatementDTXLapeer33 min
Aug 19, 4:05 PM EDTSpecial Weather StatementDTXLapeer, Tuscola40 min
Aug 19, 4:19 PM EDTSevere Thunderstorm WarningDTXLapeer, Tuscola41 min
Aug 19, 4:37 PM EDTSpecial Marine WarningDTX113 min
Aug 19, 4:38 PM EDTSpecial Weather StatementDTXMacomb52 min
Aug 19, 4:48 PM EDTSpecial Weather StatementDTXHuron27 min
Aug 19, 5:04 PM EDTSpecial Weather StatementDTXSaint Clair41 min
Aug 19, 5:16 PM EDTSpecial Marine WarningDTX89 min
Aug 19, 6:41 PM EDTSpecial Weather StatementDTXBay19 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; radar from the NEXRAD Level II archive.