Alert archive / Michigan / Heat Advisories in 2011
Heat Advisory 1, NWS Grand Rapids, MI
NWS Grand Rapids, MI issued this heat advisory at Jul 18, 2011, 10:59 AM EDT for 11 counties in Michigan. It was in force for 9 hr.
The area
The counties it named.
The facts
- Issued
- Jul 18, 2011, 10:59 AM EDT (14:59 UTC)
- Expired
- Jul 18, 2011, 8:00 PM EDT
- In force
- 9 hr
- Issued by
- NWS Grand Rapids, MI
Counties Allegan County, MI, Barry County, MI, Calhoun County, MI, Clinton County, MI, Eaton County, MI, Ingham County, MI, Ionia County, MI, Jackson County, MI, Kalamazoo County, MI, Kent County, MI, Van Buren County, MI
The radar
The Grand Rapids radar (KGRR), 47 km from the middle of the area, began a volume at 14:59 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.
What forecasters said that day
The local office's own words before this heat advisory 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 heat advisory went out at Jul 18, 7:45 AM EDT, 3 hours 14 minutes earlier.
Area forecast discussion, Jul 18, 7:45 AM EDT, 3 hours 14 minutes before
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</html>Hazardous weather outlook, Jul 18, 4:53 AM EDT, 6 hours 6 minutes before
HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE GRAND RAPIDS MI 453 AM EDT MON JUL 18 2011 MIZ037>040-043>046-050>052-056>059-064>067-071>074-190900- MASON-LAKE-OSCEOLA-CLARE-OCEANA-NEWAYGO-MECOSTA-ISABELLA-MUSKEGON- MONTCALM-GRATIOT-OTTAWA-KENT-IONIA-CLINTON-ALLEGAN-BARRY-EATON- INGHAM-VAN BUREN-KALAMAZOO-CALHOUN-JACKSON- 453 AM EDT MON JUL 18 2011 THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF SOUTHWEST LOWER MICHIGAN. .DAY ONE...TODAY AND TONIGHT THUNDERSTORMS ARE LIKELY TO REDEVELOP THIS AFTERNOON AHEAD OF WEAK COLD FRONT THAT WILL CROSS THE AREA THIS EVENING. A FEW OF THESE STORMS COULD HAVE DAMAGING WINDS...TORRENTIAL RAIN...AND FREQUENT LIGHTNING. STORMS WILL MOVE EAST AROUND 40 MPH. THE HEAT AND HUMIDITY WILL REACH TO NEAR 100 DEGREES IN PARTS OF THE AREA INLAND FROM LAKE MICHIGAN DURING THE EARLY TO MID AFTERNOON. THIS WILL INCREASE THE RISK OF HEAT STROKES FOR ANYONE OUTSIDE OF A PROLONGED PERIOD OF TIME. .DAYS TWO THROUGH SEVEN...TUESDAY THROUGH SUNDAY HEAT AND HUMIDITY WILL CONTINUE TO BUILD THROUGH THE COURSE OF THE THIS WEEK. HIGHS WILL LIKELY PUSH INTO THE 90S EACH DAY AWAY FROM LAKE MICHIGAN. THE WARMEST DAYS ARE EXPECTED TO BE WEDNESDAY THROUGH FRIDAY. HEAT INDEX VALUES MAY CREST THE 100 DEGREE MARK THIS WEEK...ESPECIALLY FROM WEDNESDAY THROUGH FRIDAY. THERE IS THE POTENTIAL FOR ADDITIONAL THUNDERSTORMS LATE IN THE WEEK AND INTO THE WEEKEND AS ANOTHER FRONTAL SYSTEM GETS CLOSE TO THE AREA. .SPOTTER INFORMATION STATEMENT... SPOTTER ACTIVATION MAY BE NEEDED THIS AFTERNOON INTO THIS EVENING. LMZ844>849-190900- 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- 453 AM EDT MON JUL 18 2011 THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF SOUTHWEST LOWER MICHIGAN. .DAY ONE...TODAY AND TONIGHT THERE IS THE THREAT OF STRONG TO SEVERE STORMS THIS AFTERNOON INTO THIS EVENING. IN THE STRONGER THUNDERSTORMS EXPECT INCREASED WAVE HEIGHTS...NEAR CONSTANT LIGHTING... AND STRONG GUSTY WINDS. AREA OF DENSE FOG ARE POSSIBLE AS VERY MOIST AIR MOVES OVER THE COOLER WATERS OF LAKE MICHIGAN TODAY AND TONIGHT. .DAYS TWO THROUGH SEVEN...TUESDAY THROUGH SUNDAY AREA OF DENSE FOG ARE POSSIBLE THROUGH MOST OF THIS WEEK AS VERY MOIST AIR MOVES OVER THE COOLER WATERS OF LAKE MICHIGAN. THERE IS THE CHANCE OF MORE THUNDERSTORMS FRIDAY INTO SUNDAY. .SPOTTER INFORMATION STATEMENT... SPOTTER ACTIVATION MAY BE NEEDED THIS AFTERNOON INTO THIS EVENING. WDM
In the hours before
Local storm report, Jul 18, 9:40 AM EDT, 1 hour 19 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE GRAND RAPIDS MI
940 AM EDT MON JUL 18 2011
..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..
0100 AM TSTM WND DMG 1 S SCOTTVILLE 43.94N 86.28W
07/18/2011 MASON MI DEPT OF HIGHWAYS
BETWEEN 6 AND 8 TREES WERE CLEANED UP OFF THE ROAD NEAR
U.S. 10 JUST SOUTH OF SCOTTVILLE. REPORT IS BOTH TIME AND
LOCATION ESTIMATED.
&&
HOVINGThe office that day
Everything else NWS Grand Rapids, MI issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 17, 11:35 PM EDT | Special Marine Warning | GRR | 115 min | |
| Jul 18, 12:46 AM EDT | Severe Thunderstorm Warning | GRR | Mason, Oceana | 67 min |
| Jul 18, 12:57 AM EDT | Special Weather Statement | GRR | Lake, Mecosta, Muskegon, Newaygo, Osceola, Ottawa | 2 hr |
| Jul 18, 1:03 AM EDT | Special Marine Warning | GRR | 117 min | |
| Jul 18, 1:51 AM EDT | Special Weather Statement | GRR | Clare, Isabella | 69 min |
| Jul 18, 2:06 AM EDT | Special Weather Statement | GRR | Allegan, Barry, Gratiot, Ionia, Kent, Montcalm | 114 min |
| Jul 18, 2:56 AM EDT | Special Marine Warning | GRR | 69 min | |
| Jul 18, 3:13 AM EDT | Special Weather Statement | GRR | Allegan, Kent, Ottawa | 2 hr |
| Jul 18, 3:55 AM EDT | Special Weather Statement | GRR | Allegan | 65 min |
| Jul 18, 12:26 PM EDT | Special Weather Statement | GRR | Lake, Mecosta, Newaygo | 79 min |
| Jul 18, 1:30 PM EDT | Severe Thunderstorm Warning | GRR | Mecosta, Montcalm | 31 min |
| Jul 18, 1:37 PM EDT | Special Weather Statement | GRR | Clare, Isabella, Mecosta, Osceola | 53 min |
| Jul 18, 2:24 PM EDT | Special Weather Statement | GRR | Ingham, Jackson | 66 min |
| Jul 18, 4:07 PM EDT | Excessive Heat Watch | GRR | Allegan, Barry, Calhoun, Clare, Clinton, Eaton and 17 more | 12 hr |
| Jul 18, 5:31 PM EDT | Special Weather Statement | GRR | Ingham | 59 min |
| Jul 18, 5:53 PM EDT | Severe Thunderstorm Warning | GRR | Clinton, Ingham | 67 min |
Nearby
Heat Advisories in Michigan, 2011Every heat advisory 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; radar from the NEXRAD Level II archive.