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 May 10, 2011, 2:57 AM EDT for Clinton County, Ionia County, Michigan. It was in force for 2 hr. No storm report in the archive falls inside the area while it was in force.
The area
The outline as issued.
The facts
- Issued
- May 10, 2011, 2:57 AM EDT (06:57 UTC)
- Expired
- May 10, 2011, 5:00 AM EDT
- In force
- 2 hr
- Issued by
- NWS Grand Rapids, MI
Counties Clinton County, MI, Ionia County, MI
The radar
The Detroit radar (KDTX), 78 km from the middle of the area, began a volume at 06:59 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 00:00Z, 7.0 hours before the alert went out and 81 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
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 2047 m above ground
- 0-6 km bulk shear
- 40 kt
- 0-1 km storm-relative helicity
- -23 m²/s²
- 0-3 km storm-relative helicity
- 155 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 May 9, 11:55 PM EDT, 3 hours 2 minutes earlier.
Area forecast discussion, May 9, 11:55 PM EDT, 3 hours 2 minutes before
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HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE GRAND RAPIDS MI 248 PM EDT MON MAY 9 2011 MIZ037>040-043>046-050>052-056>059-064>067-071>074-101500- MASON-LAKE-OSCEOLA-CLARE-OCEANA-NEWAYGO-MECOSTA-ISABELLA-MUSKEGON- MONTCALM-GRATIOT-OTTAWA-KENT-IONIA-CLINTON-ALLEGAN-BARRY-EATON- INGHAM-VAN BUREN-KALAMAZOO-CALHOUN-JACKSON- 248 PM EDT MON MAY 9 2011 THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF SOUTHWEST LOWER MICHIGAN. .DAY ONE...THIS AFTERNOON TONIGHT LOW HUMIDITY AND GUSTY WINDS WILL LEAD TO AN ELEVATED FIRE DANGER THIS AFTERNOON AND EVENING. THUNDERSTORMS ARE POSSIBLE AFTER 5 PM. SOME OF THE THUNDERSTORMS MAY PRODUCE HAIL UP TO A HALF INCH IN DIAMETER. THE STORMS WILL MOVE EAST AT 25 MPH. .DAYS TWO THROUGH SEVEN...TUESDAY THROUGH SUNDAY A FEW THUNDERSTORMS ARE POSSIBLE EACH DAY TUESDAY THROUGH FRIDAY. .SPOTTER INFORMATION STATEMENT... SPOTTER ACTIVATION WILL NOT BE NEEDED. LMZ844>849-101500- 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- 248 PM EDT MON MAY 9 2011 THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF SOUTHWEST LOWER MICHIGAN. .DAY ONE...THIS AFTERNOON AND TONIGHT THUNDERSTORMS ARE POSSIBLE AFTER 5 PM. SOME OF THE THUNDERSTORMS MAY PRODUCE HAIL UP TO A HALF INCH IN DIAMETER. THE STORMS WILL MOVE EAST AT 25 MPH. WIND SPEEDS TO 30 KNOTS OUT OF THE SOUTHEAST WILL BE HAZARDOUS TO SMALL CRAFT. .DAYS TWO THROUGH SEVEN...TUESDAY THROUGH SUNDAY WIND SPEEDS TO 30 KNOTS OUT OF THE SOUTHEAST WILL BE HAZARDOUS TO SMALL CRAFT TUESDAY AND TUESDAY NIGHT. A FEW THUNDERSTORMS ARE POSSIBLE EACH DAY TUESDAY THROUGH FRIDAY. .SPOTTER INFORMATION STATEMENT... SPOTTER ACTIVATION WILL NOT BE NEEDED. MEADE 93
In the hours before
Local storm report, May 10, 12:02 AM EDT, 2 hours 55 minutes before
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</html>The office that day
Everything else NWS Grand Rapids, MI issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 9, 8:21 PM EDT | Special Weather Statement | GRR | Clinton, Ingham | 54 min |
| May 10, 12:47 AM EDT | Special Weather Statement | GRR | Ingham | 58 min |
| May 10, 1:23 AM EDT | Special Weather Statement | GRR | Mecosta, Newaygo | 82 min |
| May 10, 2:40 AM EDT | Special Weather Statement | GRR | Gratiot, Isabella, Montcalm | 2 hr |
| May 10, 6:13 AM EDT | Special Weather Statement | GRR | Jackson | 77 min |
| May 10, 6:20 AM EDT | Severe Thunderstorm Warning | GRR | Jackson | 73 min |
| May 10, 7:56 AM EDT | Special Weather Statement | GRR | Ingham | 64 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.