Alert archive / Michigan / Special Weather Statements in 2008

Special Weather Statement, NWS Grand Rapids, MI

June 21, 2008Clare County, Isabella County, Osceola County, Michigan

NWS Grand Rapids, MI issued this special weather statement at Jun 21, 2008, 3:08 PM EDT for Clare County, Isabella County, Osceola County, Michigan. It was in force for 52 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 21, 2008, 3:08 PM EDT (19:08 UTC)
Expired
Jun 21, 2008, 4:00 PM EDT
In force
52 min
Issued by
NWS Grand Rapids, MI

Counties Clare County, MI, Isabella County, MI, Osceola County, MI

The radar

The NCL Michigan radar (KAPX), 107 km from the middle of the area, began a volume at 19:11 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, 7.1 hours before the alert went out and 175 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.

Skew-T log-pSkew-T log-p diagram, Detroit, MI at 12:00Z on 2008-06-21Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 27 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Detroit, MI at 12:00Z on 2008-06-21The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 55 square meters per square second.193958Sfc1 km3 km6 km9 kmRMLM
The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.
Mixed-layer CAPE
27 J/kg
Mixed-layer CIN
-95 J/kg
Mixed-layer LCL
1258 m above ground
0-6 km bulk shear
20 kt
0-1 km storm-relative helicity
55 m²/s²
0-3 km storm-relative helicity
61 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

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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 21, 12:48 PM EDT, 2 hours 20 minutes earlier.

Area forecast discussion, Jun 21, 12:48 PM EDT, 2 hours 20 minutes before
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Hazardous weather outlook, Jun 21, 11:00 AM EDT, 4 hours 8 minutes before
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In the hours before

Special weather statement, Jun 21, 1:34 PM EDT, 1 hour 34 minutes before
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Local storm report, Jun 21, 1:49 PM EDT, 1 hour 19 minutes before
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Special weather statement, Jun 21, 2:03 PM EDT, 1 hour 5 minutes before
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Local storm report, Jun 21, 2:33 PM EDT, 35 minutes before
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Special weather statement, Jun 21, 2:57 PM EDT, 11 minutes before
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Special weather statement, Jun 21, 3:08 PM EDT, 0 minutes before
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The office that day

Everything else NWS Grand Rapids, MI issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Jun 20, 10:52 PM EDTSpecial Weather StatementGRRMuskegon68 min
Jun 21, 1:34 PM EDTSpecial Weather StatementGRRJackson86 min
Jun 21, 2:03 PM EDTSpecial Weather StatementGRRIngham42 min
Jun 21, 2:57 PM EDTSpecial Weather StatementGRRJackson18 min
Jun 21, 3:58 PM EDTSpecial Weather StatementGRRIsabella62 min
Jun 21, 4:51 PM EDTSpecial Weather StatementGRRIsabella39 min
Jun 21, 5:58 PM EDTSpecial Weather StatementGRRGratiot62 min

Nearby

Special Weather Statements in Michigan, 2008Every special weather statement in 2008

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.