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 Jul 21, 2016, 12:15 PM EDT for 11 counties in Michigan. It was in force for 60 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
- Jul 21, 2016, 12:15 PM EDT (16:15 UTC)
- Expired
- Jul 21, 2016, 1:15 PM EDT
- In force
- 60 min
- Issued by
- NWS Grand Rapids, MI
Counties Clare County, MI, Ionia County, MI, Isabella County, MI, Kent County, MI, Lake County, MI, Mecosta County, MI, Montcalm County, MI, Muskegon County, MI, Newaygo County, MI, Osceola County, MI, Ottawa County, MI
The radar
The Grand Rapids radar (KGRR), 78 km from the middle of the area, began a volume at 16:19 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, 4.3 hours before the alert went out and 196 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
- 690 J/kg
- Mixed-layer CIN
- -74 J/kg
- Mixed-layer LCL
- 1014 m above ground
- 0-6 km bulk shear
- 20 kt
- 0-1 km storm-relative helicity
- 10 m²/s²
- 0-3 km storm-relative helicity
- 26 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 Jul 21, 11:16 AM EDT, 59 minutes earlier.
Area forecast discussion, Jul 21, 11:16 AM EDT, 59 minutes before
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</html>Hazardous weather outlook, Jul 21, 10:49 AM EDT, 1 hour 26 minutes before
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</html>In the hours before
Special weather statement, Jul 21, 10:47 AM EDT, 1 hour 28 minutes before
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</html>Special weather statement, Jul 21, 12:15 PM 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 |
|---|---|---|---|---|
| Jul 21, 10:20 AM EDT | Special Marine Warning | GRR | 85 min | |
| Jul 21, 10:30 AM EDT | Small Craft Advisory | GRR | 10 hr | |
| Jul 21, 10:39 AM EDT | Beach Hazards Statement | GRR | Mason, Oceana | 6 hr |
| Jul 21, 10:47 AM EDT | Special Weather Statement | GRR | Lake, Mason, Mecosta, Muskegon, Newaygo, Oceana and 1 more | 88 min |
| Jul 21, 11:38 AM EDT | Special Marine Warning | GRR | 52 min | |
| Jul 21, 12:30 PM EDT | Special Marine Warning | GRR | 60 min | |
| Jul 21, 1:15 PM EDT | Special Marine Warning | GRR | 60 min | |
| Jul 21, 1:16 PM EDT | Special Weather Statement | GRR | Allegan, Barry, Ionia, Kent, Montcalm | 59 min |
| Jul 21, 1:43 PM EDT | Special Weather Statement | GRR | Kalamazoo, Van Buren | 62 min |
| Jul 21, 1:56 PM EDT | Special Weather Statement | GRR | Calhoun, Clinton, Eaton, Gratiot | 64 min |
| Jul 21, 2:22 PM EDT | Special Weather Statement | GRR | Ingham, Jackson | 53 min |
| Jul 21, 2:43 PM EDT | Special Weather Statement | GRR | Calhoun | 32 min |
| Jul 21, 3:03 PM EDT | Special Weather Statement | GRR | Ingham, Jackson | 42 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.