Alert archive / Michigan / Special Weather Statements in 2021
Special Weather Statement, NWS Grand Rapids, MI
NWS Grand Rapids, MI issued this special weather statement at Jun 22, 2021, 1:42 PM EDT for Clinton County, Michigan. It was in force for 48 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
- Jun 22, 2021, 1:42 PM EDT (17:42 UTC)
- Expired
- Jun 22, 2021, 2:30 PM EDT
- In force
- 48 min
- Issued by
- NWS Grand Rapids, MI
County Clinton County, MI
The radar
The Grand Rapids radar (KGRR), 75 km from the middle of the area, began a volume at 17:45 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, 5.7 hours before the alert went out and 107 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
- 1108 m above ground
- 0-6 km bulk shear
- 47 kt
- 0-1 km storm-relative helicity
- -187 m²/s²
- 0-3 km storm-relative helicity
- -48 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 Jun 22, 11:49 AM EDT, 1 hour 53 minutes earlier.
Area forecast discussion, Jun 22, 11:49 AM EDT, 1 hour 53 minutes before
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<meta charset="utf-8">
<meta name="viewport" content="width=device-width, initial-scale=1">
<title>Service Notice</title>
<link rel="stylesheet" href="index.css">
</head>
<body>
<main class="wrap">
<section class="card" role="status" aria-live="polite">
<div class="status" id="status">Temporary Notice</div>
<h1 id="headline">This service is currently unavailable.</h1>
<p id="message1">
The site you requested is temporarily down for maintenance or an unexpected outage.
</p>
<p id="message2">
Please try again in a few minutes.
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If you are an administrator, restore upstream service and remove the redirect/fallback rule when normal operations resume.
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</html>Hazardous weather outlook, Jun 22, 11:56 AM EDT, 1 hour 46 minutes before
Hazardous Weather Outlook National Weather Service Grand Rapids MI 1156 AM EDT Tue Jun 22 2021 MIZ037>040-043>046-050>052-056>059-064>067-071>074-231600- Mason-Lake-Osceola-Clare-Oceana-Newaygo-Mecosta-Isabella-Muskegon- Montcalm-Gratiot-Ottawa-Kent-Ionia-Clinton-Allegan-Barry-Eaton- Ingham-Van Buren-Kalamazoo-Calhoun-Jackson- 1156 AM EDT Tue Jun 22 2021 This hazardous weather outlook is for portions of southwest Lower Michigan. .DAY ONE...This Afternoon and Tonight Scattered thunderstorms with small hail, gusty winds and locally heavy rain are expected this afternoon, mostly north and east of Grand Rapids. .DAYS TWO THROUGH SEVEN...Wednesday through Monday Thunderstorms with heavy rain are possible on Friday and Saturday. .SPOTTER INFORMATION STATEMENT... Spotter activation will not be needed. LMZ844>849-231600- 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- 1156 AM EDT Tue Jun 22 2021 This hazardous weather outlook is for portions of southwest Lower Michigan. .DAY ONE...This Afternoon and Tonight Isolated thunderstorms are possible north of Grand Haven this afternoon. Small hail, gusty winds, cloud to water lighting and even a water spout are possible with these storms. .DAYS TWO THROUGH SEVEN...Wednesday through Monday Conditions will become hazardous to both small water craft and beach goers Wednesday and that will continue into Thursday. Thunderstorms are expected Friday into Saturday. .SPOTTER INFORMATION STATEMENT... Spotter activation will not be needed. wdm
In the hours before
Special weather statement, Jun 22, 1:42 PM EDT, 0 minutes before
Special Weather Statement National Weather Service Grand Rapids MI 142 PM EDT Tue Jun 22 2021 MIZ052-059-221830- Clinton-Gratiot- 142 PM EDT Tue Jun 22 2021 ...A STRONG THUNDERSTORM WILL AFFECT SOUTHERN GRATIOT AND NORTHERN CLINTON COUNTIES... At 140 PM EDT, a strong thunderstorm was located near Hubbardston, or 13 miles northeast of Ionia, moving east at 20 mph. Winds in excess of 40 mph and penny size hail are possible with this storm. Locations impacted include... St. Johns... Elsie... Eureka... Ovid... Fowler... Maple Rapids... Ashley... Perrinton... Hubbardston... Pompeii... Middleton... Bannister... If outdoors, seek shelter inside a building to protect yourself from lightning. LAT...LON 4300 8484 4320 8484 4319 8437 4293 8437 TIME...MOT...LOC 1740Z 276DEG 18KT 4310 8485 CAS
The office that day
Everything else NWS Grand Rapids, MI issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 22, 2:50 PM EDT | Special Weather Statement | GRR | Gratiot | 40 min |
| Jun 22, 3:40 PM EDT | Small Craft Advisory | GRR | 60 hr | |
| Jun 22, 3:41 PM EDT | Beach Hazards Statement | GRR | Allegan, Mason, Muskegon, Oceana, Ottawa, Van Buren | 60 hr |
Nearby
Special Weather Statements in Michigan, 2021Every special weather statement in 2021
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.