Alert archive / Michigan / Special Weather Statements in 2016
Special Weather Statement, NWS Grand Rapids, MI
NWS Grand Rapids, MI issued this special weather statement at Mar 31, 2016, 11:18 AM EDT for Mecosta County, Michigan. It was in force for 42 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
- Mar 31, 2016, 11:18 AM EDT (15:18 UTC)
- Expired
- Mar 31, 2016, 12:00 PM EDT
- In force
- 42 min
- Issued by
- NWS Grand Rapids, MI
County Mecosta County, MI
The radar
The Grand Rapids radar (KGRR), 47 km from the middle of the area, began a volume at 15:18 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, 3.3 hours before the alert went out and 202 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
- 476 m above ground
- 0-6 km bulk shear
- 48 kt
- 0-1 km storm-relative helicity
- 464 m²/s²
- 0-3 km storm-relative helicity
- 478 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
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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 Mar 31, 10:15 AM EDT, 1 hour 3 minutes earlier.
Area forecast discussion, Mar 31, 10:15 AM EDT, 1 hour 3 minutes before
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HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE GRAND RAPIDS MI 930 AM EDT THU MAR 31 2016 MIZ037>040-043>046-050>052-056>059-064>067-071>074-011045- MASON-LAKE-OSCEOLA-CLARE-OCEANA-NEWAYGO-MECOSTA-ISABELLA-MUSKEGON- MONTCALM-GRATIOT-OTTAWA-KENT-IONIA-CLINTON-ALLEGAN-BARRY-EATON- INGHAM-VAN BUREN-KALAMAZOO-CALHOUN-JACKSON- 930 AM EDT THU MAR 31 2016 THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF SOUTHWEST LOWER MICHIGAN. .DAY ONE...TODAY AND TONIGHT THUNDERSTORMS ARE EXPECTED TODAY...ESPECIALLY BETWEEN NOON AND ABOUT 800PM. IT IS NOT OUT THE QUESTION THAT SOME OF THE STRONGEST THUNDERSTORMS MAY HAVE SEVERE WIND GUSTS AND OR HAIL TO 1 INCH IN DIAMETER NEAR AND SOUTH OF INTERSTATE 96 DURING THIS TIME. MORE LIKELY THROUGH MOST OF THE STORMS WILL BE STRONG WITH HAIL TO AROUND A HALF INCH IN DIAMETER AND WIND GUSTS TO NEAR 50 MPH. CLOUD TO GROUND LIGHTNING STRIKES AND LOCALLY HEAVY RAIN WILL ACCOMPANY TODAYS STORMS AS WELL. STORMS TODAY WILL RACE OFF TO THE NORTHEAST AT 40 TO 50 MPH. LOCALIZED FLOODING IS POSSIBLE TODAY IN LOW LYING AREAS AND ALONG SOME RIVERS AND STREAMS THAT ALREADY HAVE ELEVATED LEVELS. .DAYS TWO THROUGH SEVEN...FRIDAY THROUGH WEDNESDAY COLDER WEATHER IS EXPECTED THIS WEEKEND AND INTO EARLY NEXT WEEK. ACCUMULATING SNOW IS POSSIBLE ON SATURDAY AND AGAIN SUNDAY NIGHT INTO MONDAY. RIVER LEVELS WILL REMAIN ELEVATED INTO THIS WEEKEND AT LEAST. .SPOTTER INFORMATION STATEMENT... SPOTTER ACTIVATION IS UNLIKELY TODAY. LMZ844>849-011045- 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- 930 AM EDT THU MAR 31 2016 THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF SOUTHWEST LOWER MICHIGAN. .DAY ONE...TODAY AND TONIGHT WINDS AND WAVES WILL BE HAZARDOUS TO SMALLER CRAFT BOTH TODAY AND TONIGHT ON LAKE MICHIGAN. THUNDERSTORMS WILL BE POSSIBLE OVER THE LAKE FROM MIDDAY THROUGH THE AFTERNOON HOURS. STORMS WILL CONTAIN CLOUD TO WATER LIGHTNING STRIKES AND POTENTIALLY SMALL HAIL AND GUSTY WINDS. .DAYS TWO THROUGH SEVEN...FRIDAY THROUGH WEDNESDAY WINDS AND WAVES WILL INCREASE FRIDAY NIGHT INTO SATURDAY BEHIND A LOW PRESSURE SYSTEM. GALE FORCE WINDS ARE POSSIBLE WITH THIS SYSTEM. .SPOTTER INFORMATION STATEMENT... SPOTTER ACTIVATION IS UNLIKELY TODAY. DUKE WDM
In the hours before
Local storm report, Mar 31, 9:56 AM EDT, 1 hour 22 minutes before
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</html>Local storm report, Mar 31, 10:10 AM EDT, 1 hour 8 minutes before
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</html>Special weather statement, Mar 31, 11:18 AM EDT, 0 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 |
|---|---|---|---|---|
| Mar 30, 10:18 PM EDT | River Flood Warning | GRR | Newaygo | 6 days |
| Mar 30, 10:45 PM EDT | River Flood Advisory | GRR | Kent | 8 days |
| Mar 31, 11:03 AM EDT | River Flood Advisory | GRR | Kent | 7 days |
| Mar 31, 11:03 AM EDT | River Flood Advisory | GRR | Ionia | 7 days |
| Mar 31, 11:03 AM EDT | River Flood Advisory | GRR | Kent | 4 days |
| Mar 31, 11:03 AM EDT | River Flood Advisory | GRR | Mecosta | 59 hr |
| Mar 31, 1:36 PM EDT | Special Weather Statement | GRR | Lake, Mason, Oceana | 54 min |
| Mar 31, 2:50 PM EDT | Special Marine Warning | GRR | 40 min | |
| Mar 31, 3:05 PM EDT | Special Weather Statement | GRR | Muskegon, Newaygo, Oceana | 55 min |
| Mar 31, 3:24 PM EDT | Special Weather Statement | GRR | Isabella, Mecosta | 66 min |
| Mar 31, 3:29 PM EDT | Special Marine Warning | GRR | 46 min | |
| Mar 31, 3:39 PM EDT | Severe Thunderstorm Warning | GRR | Allegan, Ottawa | 51 min |
| Mar 31, 3:49 PM EDT | Special Weather Statement | GRR | Barry, Eaton | 56 min |
| Mar 31, 4:16 PM EDT | Special Weather Statement | GRR | Kent | 44 min |
| Mar 31, 4:49 PM EDT | Special Weather Statement | GRR | Barry, Gratiot, Ionia, Isabella, Montcalm | 56 min |
| Mar 31, 5:26 PM EDT | Special Weather Statement | GRR | Calhoun, Kalamazoo | 94 min |
| Mar 31, 5:51 PM EDT | Special Weather Statement | GRR | Eaton | 39 min |
| Mar 31, 6:20 PM EDT | Special Weather Statement | GRR | Ingham, Jackson | 85 min |
Nearby
Special Weather Statements in Michigan, 2016Every special weather statement in 2016
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.