Alert archive / Michigan / Special Weather Statements in 2011
Special Weather Statement, NWS Grand Rapids, MI
NWS Grand Rapids, MI issued this special weather statement at Aug 9, 2011, 1:10 PM EDT for Clare County, Isabella County, Mecosta County, Michigan. It was in force for 95 min. No storm report in the archive falls inside the area while it was in force.
The area
The outline as issued.
The facts
- Issued
- Aug 9, 2011, 1:10 PM EDT (17:10 UTC)
- Expired
- Aug 9, 2011, 2:45 PM EDT
- In force
- 95 min
- Issued by
- NWS Grand Rapids, MI
Counties Clare County, MI, Isabella County, MI, Mecosta County, MI
The radar
The Grand Rapids radar (KGRR), 106 km from the middle of the area, began a volume at 17:11 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, 5.2 hours before the alert went out and 173 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
- 22 J/kg
- Mixed-layer CIN
- -38 J/kg
- Mixed-layer LCL
- 628 m above ground
- 0-6 km bulk shear
- 33 kt
- 0-1 km storm-relative helicity
- 44 m²/s²
- 0-3 km storm-relative helicity
- 76 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
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</html>What forecasters said that day
The local office's own words before this special weather statement went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.
NWS Grand Rapids, MI wrote its last area forecast discussion before this special weather statement went out at Aug 9, 11:15 AM EDT, 1 hour 55 minutes earlier.
Area forecast discussion, Aug 9, 11:15 AM EDT, 1 hour 55 minutes before
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</html>Hazardous weather outlook, Aug 9, 11:22 AM EDT, 1 hour 48 minutes before
HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE GRAND RAPIDS MI 1122 AM EDT TUE AUG 9 2011 MIZ037>040-043>046-050>052-056>059-064>067-071>074-100845- MASON-LAKE-OSCEOLA-CLARE-OCEANA-NEWAYGO-MECOSTA-ISABELLA-MUSKEGON- MONTCALM-GRATIOT-OTTAWA-KENT-IONIA-CLINTON-ALLEGAN-BARRY-EATON- INGHAM-VAN BUREN-KALAMAZOO-CALHOUN-JACKSON- 1122 AM EDT TUE AUG 9 2011 THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF SOUTHWEST LOWER MICHIGAN. .DAY ONE...THIS AFTERNOON AND TONIGHT THE LINE OF THUNDERSTORMS OVER MASON AND OCEANA COUNTIES AT 1115 AM THIS MORNING WILL MOVE WEST TO EAST ACROSS SOUTHWEST LOWER MICHIGAN THROUGH 4 PM. THE LINE SHOULD BE EAST OF CLARE COUNTY BY 2 PM AND EAST OF JACKSON BY 4 PM. WHILE WE DO NOT EXPECT A WIDESPREAD SEVERE WEATHER EVENT WITH THESE STORMS...THE STRONGER STORMS COULD HAVE GUSTS TO 40 TO 50 MPH AND HAIL TO THREE QUARTERS OF AN INCH. MOST OF THE THUNDERSTORM WILL HAVE FREQUENT CLOUD TO GROUND LIGHTING AND BRIEF HEAVY RAINFALL. STORMS WILL MOVE EAST AROUND 35 MPH. .DAYS TWO THROUGH SEVEN...WEDNESDAY THROUGH MONDAY THUNDERSTORMS ARE POSSIBLE FRIDAY NIGHT THROUGH SATURDAY AND SATURDAY NIGHT. .SPOTTER INFORMATION STATEMENT... SPOTTER ACTIVATION IS UNLIKELY THIS AFTERNOON. LMZ844>849-100845- ST JOSEPH TO SOUTH HAVEN MI-SOUTH HAVEN TO HOLLAND MI- HOLLAND TO GRAND HAVEN MI-GRAND HAVEN TO WHITEHALL MI- WHITEHALL TO PENTWATER MI-PENTWATER TO MANISTEE MI- 1122 AM EDT TUE AUG 9 2011 THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF SOUTHWEST LOWER MICHIGAN. .DAY ONE...THIS AFTERNOON AND TONIGHT WINDS AND WAVES WILL INCREASE CONSIDERABLY THIS AFTERNOON INTO TONIGHT AS A SIGNIFICANT COLD FRONT PASSES THROUGH THE REGION. CONDITIONS WILL BECOME VERY DANGEROUS FOR BOATERS IN SMALL CRAFT AS WELL AS FOR ANYONE SWIMMING AT THE BEACHES OR VENTURING OUT ON PIERS. THE RIP CURRENT RISK TODAY AND TONIGHT IS HIGH. WATERSPOUTS ARE EVEN POSSIBLE TONIGHT. SO PLEASE AVOID PIERS...BREAKWATERS AND BEACHES THIS AFTERNOON AND TONIGHT IF AT ALL POSSIBLE. FOR THE MOST PART THE STORMS ARE ALREADY DONE FOR THE NEAR SHORE WATERS OF LAKE MICHIGAN. WATER SPOUTS ARE MORE THAN POSSIBLE THROUGH THIS AFTERNOON THROUGH TONIGHT. .DAYS TWO THROUGH SEVEN...WEDNESDAY THROUGH MONDAY WINDS AND WAVES WILL REMAIN HAZARDOUS TO SMALL CRAFT ON WEDNESDAY. THE RIP CURRENT RISK WILL REMAIN HIGH WHICH WILL POSE A SIGNIFICANT THREAT TO ANYONE SWIMMING AT THE BEACHES. WATERSPOUTS ARE EVEN POSSIBLE WEDNESDAY MORNING. PLEASE AVOID PIERS...BREAKWATERS AND BEACHES WEDNESDAY IF AT ALL POSSIBLE. THUNDERSTORMS ARE POSSIBLE FRIDAY NIGHT THROUGH SATURDAY NIGHT. WINDS AND WAVES MAY BECOME HAZARDOUS TO SMALL CRAFT OVER THE WEEKEND... PARTICULARLY ON SUNDAY DUE TO STRONG NORTH WINDS BEHIND THE NEXT COLD FRONT. .SPOTTER INFORMATION STATEMENT... SPOTTER ACTIVATION IS UNLIKELY THIS AFTERNOON. MEADE WDM
In the hours before
Local storm report, Aug 9, 8:15 AM EDT, 4 hours 55 minutes before
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</html>Local storm report, Aug 9, 8:33 AM EDT, 4 hours 37 minutes before
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</html>Special weather statement, Aug 9, 10:56 AM EDT, 2 hours 14 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE GRAND RAPIDS MI
1056 AM EDT TUE AUG 9 2011
MIZ037>040-091600-
CLARE-LAKE-MASON-OSCEOLA-
1056 AM EDT TUE AUG 9 2011
...SIGNIFICANT WEATHER ADVISORY...
AT 1050 AM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
RAPIDLY DEVELOPING THUNDERSTORMS EXTENDING FROM FREESOIL TO
SOUTHEAST OF LUDINGTON...MOVING EAST AT 30 MPH.
PEA SIZE HAIL...WINDS GREATER THAN 40 MPH...FREQUENT CLOUD TO GROUND
LIGHTNING...BRIEF HEAVY DOWNPOURS...ARE POSSIBLE WITH THESE STORMS.
LOCATIONS IMPACTED INCLUDE...
ELK TWP... SAUBLE TWP... SWEETWATER TWP...
IRONS... LAKE TWP... BALDWIN...
NEWKIRK TWP... IDLEWILD... LUTHER...
NIRVANA... PINORA TWP... BRISTOL...
CHASE... TUSTIN... REED CITY...
PRECAUTIONARY/PREPAREDNESS ACTIONS...
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 THIS STORM HAS PASSED.
&&
LAT...LON 4418 8639 4416 8508 4382 8509 4382 8643
4397 8646 4404 8652
TIME...MOT...LOC 1455Z 280DEG 28KT 4410 8603
TJTSpecial weather statement, Aug 9, 11:43 AM EDT, 1 hour 27 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE GRAND RAPIDS MI
1143 AM EDT TUE AUG 9 2011
MIZ038>040-044>046-091745-
CLARE-ISABELLA-LAKE-MECOSTA-NEWAYGO-OSCEOLA-
1143 AM EDT TUE AUG 9 2011
...SIGNIFICANT WEATHER ADVISORY...
AT 1136 AM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
STRONG THUNDERSTORMS ALONG A LUTHER TO WHITE CLOUD LINE...MOVING
EAST AT 30 MPH. THESE THUNDERSTORMS ARE EXPECTED TO REACH AN EVART
TO BIG RAPIDS LINE AROUND NOON AND A HARRISON TO MOUNT PLEASANT LINE
AROUND 1230 PM EDT.
ONE HALF INCH DIAMETER HAIL...WINDS UP TO 50 MPH...FREQUENT CLOUD TO
GROUND LIGHTNING...BRIEF HEAVY DOWNPOURS...ARE POSSIBLE WITH THESE
STORMS.
LOCATIONS IMPACTED INCLUDE...
BROHMAN... WHITE CLOUD... NIRVANA...
HOME TWP... PINORA TWP... CHASE...
TUSTIN... WOODVILLE... CROTON...
LEROY... GOODWELL TWP... ENSLEY TWP...
HAWKINS... REED CITY... NEWYAGO STATE PARK...
PRECAUTIONARY/PREPAREDNESS ACTIONS...
GUSTY WINDS MAY CAUSE SMALL BRANCHES TO BE BLOWN DOWN...AND LOOSE
OBJECTS TO BLOW AROUND. STAY AWAY FROM HIGH OBJECTS OUTDOORS SUCH AS
TREES. SEEK SHELTER IN A STURDY STRUCTURE UNTIL THESE STORMS HAVE
PASSED.
&&
LAT...LON 4416 8461 4347 8461 4347 8556 4329 8557
4330 8604 4417 8604
TIME...MOT...LOC 1539Z 264DEG 25KT 4414 8558 4371 8587
TJTSpecial weather statement, Aug 9, 1:10 PM EDT, 0 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE GRAND RAPIDS MI
110 PM EDT TUE AUG 9 2011
MIZ040-045-046-091845-
CLARE-ISABELLA-MECOSTA-
110 PM EDT TUE AUG 9 2011
...SIGNIFICANT WEATHER ADVISORY...
AT 106 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
STRONG THUNDERSTORMS ALONG A LINE EXTENDING FROM 15 MILES WEST OF
CLARE TO 10 MILES EAST OF BIG RAPIDS...MOVING EAST AT 30 MPH. THESE
STORMS ARE EXPECTED TO REACH A CLARE TO MOUNT PLEASANT LINE AROUND
130 PM EDT.
ONE HALF INCH DIAMETER HAIL...WINDS GREATER THAN 40 MPH...VERY
FREQUENT CLOUD TO GROUND LIGHTNING...AND BRIEF HEAVY DOWNPOURS ARE
POSSIBLE WITH THESE STORMS.
LOCATIONS IMPACTED INCLUDE...
BRINTON... LAKE GEORGE... LEOTA...
FARWELL... BLANCHARD... HARRISON...
WEIDMAN... LONG LAKE HEIGHTS... CLARE...
BEAL CITY... DODGE LAKE... WINN...
FRANKLIN TWP... SHERIDEN TWP... LOOMIS...
PRECAUTIONARY/PREPAREDNESS ACTIONS...
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.
&&
LAT...LON 4347 8461 4347 8556 4381 8556 4382 8509
4416 8508 4416 8461
TIME...MOT...LOC 1708Z 271DEG 26KT 4382 8503 4365 8527
TJTThe office that day
Everything else NWS Grand Rapids, MI issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 9, 12:04 AM EDT | Areal Flood Advisory | GRR | Kent, Montcalm | 10 hr |
| Aug 9, 3:04 AM EDT | Special Weather Statement | GRR | Clinton | 56 min |
| Aug 9, 3:21 AM EDT | Special Weather Statement | GRR | Ingham, Jackson | 84 min |
| Aug 9, 4:31 AM EDT | Small Craft Advisory | GRR | 45 hr | |
| Aug 9, 5:10 AM EDT | Dense Fog Advisory | GRR | Allegan, Barry, Calhoun, Clare, Clinton, Eaton and 17 more | 4 hr |
| Aug 9, 10:56 AM EDT | Special Weather Statement | GRR | Lake, Mason, Osceola | 64 min |
| Aug 9, 11:43 AM EDT | Special Weather Statement | GRR | Clare, Isabella, Lake, Mecosta, Newaygo, Osceola | 2 hr |
| Aug 9, 2:39 PM EDT | Special Weather Statement | GRR | Ingham | 51 min |
| Aug 9, 3:06 PM EDT | Special Weather Statement | GRR | Kalamazoo | 54 min |
| Aug 9, 4:13 PM EDT | Special Weather Statement | GRR | Jackson | 32 min |
Nearby
Special Weather Statements in Michigan, 2011Every special weather statement in 2011
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.