Alert archive / Michigan / Severe Thunderstorm Warnings in 2006

Severe Thunderstorm Warning 40, NWS Grand Rapids, MI

June 2, 2006Kent County, Michigan

NWS Grand Rapids, MI issued this severe thunderstorm warning at Jun 2, 2006, 2:22 PM EDT for Kent County, Michigan. It was in force for 23 min. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued: Jun 2, 2006, 2:22 PM EDT (18:22 UTC)
Expired: Jun 2, 2006, 2:45 PM EDT
In force: 23 min
Issued by: NWS Grand Rapids, MI
Area: Counties, with a storm outline in the text

County Kent County, MI

The radar

The Grand Rapids radar (KGRR), 15 km from the middle of the area, began a volume at 18:22 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, 6.4 hours before the alert went out and 176 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-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

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: 0 J/kg
Mixed-layer CIN: No buoyant parcel
Mixed-layer LCL: 1622 m above ground
0-6 km bulk shear: 29 kt
0-1 km storm-relative helicity: -67 m²/s²
0-3 km storm-relative helicity: -38 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

What forecasters said that day

The local office's own words before this severe thunderstorm warning 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 severe thunderstorm warning went out at Jun 2, 11:15 AM EDT, 3 hours 7 minutes earlier.

Area forecast discussion, Jun 2, 11:15 AM EDT, 3 hours 7 minutes before

AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE GRAND RAPIDS MI
1115 AM EDT FRI JUN 02 2006

.UPDATE...
CONSIDERABLE MID AND HIGH LEVEL CLOUDINESS CURRENTLY COVERS THE
SOUTHEAST HALF OF LWR MI...ASSOCIATED WITH THE BAROCLINIC ZONE TO
OUR SE. HIGH LEVEL RH PROGS SUGGEST THAT THIS WILL TEND TO THIN OUT
AND/OR MOVE SE AS THE AFTERNOON PROGRESSES...WHICH SHOULD ALLOW FOR
SUFFICIENT SFC HEATING TO GET THE 1000 CAPES ADVERTISED BY THE ETA.
VORT MAX/SHTWV DIVING SE FROM NRN WI EXPECTED TO TOUCH OF SOME
SCATTERED CONVECTION DURING PEAK HEATING...SO LITTLE CHANGE NEEDED
TO THE GOING FCST. GIVEN STEEP MID LEVEL LAPSE RATES ASSOCIATED WITH
H5 COLD POOL OF AROUND -18C...SOME OF THE STORMS MAY PRODUCE
MARGINALLY SEVERE HAIL. 0-6KM BULK SHEAR IS QUITE LOW THIS
AFTERNOON...AROUND 20 KNOTS...SO WOULD NOT EXPECT A REAL ORGANIZED
CONVECTIVE EVENT.

&&

.GRR WATCHES/WARNINGS/ADVISORIES...NONE.

&&

MEADE

Hazardous weather outlook, Jun 2, 6:00 AM EDT, 8 hours 22 minutes before

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The office that day

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

Issued	Product	Office	Counties	Lasted
Jun 2, 2:43 PM EDT	Severe Thunderstorm Warning	GRR	Kent	32 min
Jun 2, 3:57 PM EDT	Severe Thunderstorm Warning	GRR	Allegan, Barry, Kent	38 min

Nearby

Severe Thunderstorm Warnings in Michigan, 2006 Every severe thunderstorm warning in 2006

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.