Alert archive / Michigan / Severe Thunderstorm Warnings in 2007

Severe Thunderstorm Warning 22, NWS Marquette, MI

May 24, 2007Gogebic County, Michigan

NWS Marquette, MI issued this severe thunderstorm warning at May 24, 2007, 3:11 PM CDT for Gogebic County, Michigan. It was in force for 34 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
May 24, 2007, 3:11 PM CDT (20:11 UTC)
Expired
May 24, 2007, 3:45 PM CDT
In force
34 min
Issued by
NWS Marquette, MI
Area
Counties, with a storm outline in the text

County Gogebic County, MI

The radar

The Marquette radar (KMQT), 172 km from the middle of the area, began a volume at 20:13 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

Green Bay/Straub, WI (KGRB), launched 12:00Z, 8.2 hours before the alert went out and 260 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, Green Bay/Straub, WI at 12:00Z on 2007-05-24Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 17 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, Green Bay/Straub, WI at 12:00Z on 2007-05-24The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 118 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
17 J/kg
Mixed-layer CIN
-149 J/kg
Mixed-layer LCL
1336 m above ground
0-6 km bulk shear
29 kt
0-1 km storm-relative helicity
118 m²/s²
0-3 km storm-relative helicity
95 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 Marquette, MI wrote its last area forecast discussion before this severe thunderstorm warning went out at May 24, 12:05 PM CDT, 3 hours 6 minutes earlier.

Area forecast discussion, May 24, 12:05 PM CDT, 3 hours 6 minutes before
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Hazardous weather outlook, May 24, 4:58 AM CDT, 10 hours 13 minutes before
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In the hours before

Special weather statement, May 24, 1:32 PM CDT, 1 hour 39 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE MARQUETTE MI
232 PM EDT THU MAY 24 2007

MIZ002-009-241945-
ONTONAGON-GOGEBIC-
INCLUDING THE CITIES OF...ONTONAGON...IRONWOOD
232 PM EDT THU MAY 24 2007 /132 PM CDT THU MAY 24 2007/

A STRONG THUNDERSTORM LOCATED NEAR THOMASTON WILL CONTINUE MOVING
NORTHEAST AT 40 MPH. THIS STORM IS CAPABLE OF PRODUCING PEA SIZED
HAIL AND STRONG WINDS TO 45 MPH. THIS STORM WILL PASS THROUGH FAR
WESTERN ONTONAGON COUNTY OVER THE NEXT THIRTY MINUTES BEFORE
MOVING ONTO LAKE SUPERIOR.

PEARSON
Special weather statement, May 24, 2:53 PM CDT, 18 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE MARQUETTE MI
353 PM EDT THU MAY 24 2007

MIZ002-003-009-084-242045-
GOGEBIC-NORTHERN HOUGHTON-ONTONAGON-SOUTHERN HOUGHTON-
353 PM EDT THU MAY 24 2007

...SIGNIFICANT WEATHER ALERT FOR GOGEBIC...HOUGHTON AND ONTONAGON
COUNTIES UNTIL 445 PM EDT (345 PM CDT)...

AT 352 PM EDT (252 PM CDT)...NATIONAL WEATHER SERVICE DOPPLER RADAR
WAS TRACKING STRONG THUNDERSTORMS ALONG A LINE EXTENDING FROM 14
MILES NORTHEAST OF ONTONAGON TO 31 MILES SOUTHEAST OF IRONWOOD...
MOVING NORTHEAST AT 50 MPH.

WINDS UP TO 50 MPH ARE EXPECTED WITH THESE STORMS. WINDS THIS STRONG
CAN BREAK SMALL BRANCHES AND BLOW DOWN UNSECURED OUTDOOR OBJECTS.

PEOPLE IN EASTERN ONTONAGON...NORTHWESTERN HOUGHTON AND SOUTHEASTERN
GOGEBIC COUNTIES...INCLUDING THE CITIES OF WATERSMEET...PAULDING...
BRUCE CROSSING...ROCKLAND...MASS CITY AND REDRIDGE...SHOULD MONITOR
THE WEATHER SITUATION CLOSELY. LISTEN FOR POSSIBLE WARNINGS AND BE
PREPARED TO TAKE APPROPRIATE ACTION SHOULD SEVERE WEATHER THREATEN.

STAY TUNED TO NOAA WEATHER RADIO...COMMERCIAL RADIO...OR YOUR LOCAL
TELEVISION STATIONS FOR LATER STATEMENTS AND POSSIBLE WARNINGS
CONCERNING THIS WEATHER SITUATION.

TRH

The office that day

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

IssuedProductOfficeCountiesLasted
May 23, 7:24 PM CDTSpecial Marine WarningMQT66 min
May 23, 8:15 PM CDTSpecial Marine WarningMQT45 min
May 23, 8:57 PM CDTSpecial Marine WarningMQT63 min
May 24, 3:05 PM CDTSpecial Marine WarningMQT55 min
May 24, 4:49 PM CDTSevere Thunderstorm WarningMQTIron41 min
May 24, 5:45 PM CDTSpecial Marine WarningMQT75 min

Nearby

Severe Thunderstorm Warnings in Michigan, 2007Every severe thunderstorm warning in 2007

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.