Alert archive / Michigan / Severe Thunderstorm Warnings in 2008

Severe Thunderstorm Warning 86, NWS Detroit, MI

June 23, 2008Wayne County, Michigan

NWS Detroit, MI issued this severe thunderstorm warning at Jun 23, 2008, 4:30 PM EDT for Wayne 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 counties it named.

The facts

Issued
Jun 23, 2008, 4:30 PM EDT (20:30 UTC)
Expired
Jun 23, 2008, 5:18 PM EDT
In force
48 min
Issued by
NWS Detroit, MI
Area
Storm-based polygon

County Wayne County, MI

The radar

The Detroit radar (KDTX), 49 km from the middle of the area, began a volume at 20:30 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, 8.5 hours before the alert went out and 50 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 2008-06-23Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 103 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 2008-06-23The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -2 square meters per square second.1939Sfc1 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
103 J/kg
Mixed-layer CIN
-47 J/kg
Mixed-layer LCL
1036 m above ground
0-6 km bulk shear
5 kt
0-1 km storm-relative helicity
-2 m²/s²
0-3 km storm-relative helicity
-3 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 Detroit, MI wrote its last area forecast discussion before this severe thunderstorm warning went out at Jun 23, 3:29 PM EDT, 1 hour 1 minute earlier.

Area forecast discussion, Jun 23, 3:29 PM EDT, 1 hour 1 minute before
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Hazardous weather outlook, Jun 23, 3:20 PM EDT, 1 hour 10 minutes before
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In the hours before

Special weather statement, Jun 23, 1:22 PM EDT, 3 hours 8 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE DETROIT/PONTIAC MI
122 PM EDT MON JUN 23 2008

MIZ075-082-083-231815-
LENAWEE-MONROE-WASHTENAW-
122 PM EDT MON JUN 23 2008

...SPECIAL WEATHER STATEMENT...

AT 118 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
CLUSTER OF  RAPIDLY DEVELOPING THUNDERSTORMS ALONG A LINE EXTENDING
FROM DEXTER TO 7 MILES SOUTH OF SALINE TO 4 MILES SOUTH OF
MANCHESTER...MOVING SOUTHEAST AT 10 MPH.

PEA SIZE HAIL...OCCASIONAL CLOUD TO GROUND LIGHTNING...BRIEF MODERATE
DOWNPOURS...ARE POSSIBLE WITH THESE STORMS.

* THUNDERSTORMS WILL BE NEAR...
  CLINTON BY 130 PM EDT...
  SALINE BY 155 PM EDT...
  TECUMSEH AND ANN ARBOR BY 215 PM EDT...

STAY AWAY FROM HIGH OBJECTS OUTDOORS SUCH AS TREES. SEEK SHELTER IN A
STURDY STRUCTURE UNTIL THESE STORMS HAVE PASSED.

MANN /
Special weather statement, Jun 23, 2:14 PM EDT, 2 hours 16 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE DETROIT/PONTIAC MI
214 PM EDT MON JUN 23 2008

MIZ083-231915-
MONROE-
214 PM EDT MON JUN 23 2008

...SPECIAL WEATHER STATEMENT...

AT 209 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
STRONG THUNDERSTORMS ALONG A LINE EXTENDING FROM 11 MILES EAST OF
CARLETON TO 6 MILES NORTHEAST OF DUNDEE...MOVING SOUTH AT 16 MPH.

ONE HALF INCH DIAMETER HAIL...OCCASIONAL CLOUD TO GROUND LIGHTNING...
BRIEF HEAVY DOWNPOURS...ARE POSSIBLE WITH THESE STORMS.

* THUNDERSTORMS WILL BE NEAR...
  DUNDEE BY 220 PM EDT...
  MONROE AND IDA BY 240 PM EDT...
  LUNA PIER BY 315 PM EDT...

STAY AWAY FROM HIGH OBJECTS OUTDOORS SUCH AS TREES. SEEK SHELTER IN A
STURDY STRUCTURE UNTIL THESE STORMS HAVE PASSED.

MANN /
Special weather statement, Jun 23, 2:49 PM EDT, 1 hour 41 minutes before
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Local storm report, Jun 23, 3:04 PM EDT, 1 hour 26 minutes before
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Local storm report, Jun 23, 3:38 PM EDT, 52 minutes before
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Local storm report, Jun 23, 4:21 PM EDT, 9 minutes before
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The office that day

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

IssuedProductOfficeCountiesLasted
Jun 23, 12:43 PM EDTSevere Thunderstorm WarningDTXWayne62 min
Jun 23, 2:03 PM EDTSpecial Marine WarningDTX57 min
Jun 23, 2:18 PM EDTSevere Thunderstorm WarningDTXMonroe39 min
Jun 23, 2:47 PM EDTSpecial Marine WarningDTX32 min
Jun 23, 2:52 PM EDTSevere Thunderstorm WarningDTXLapeer, Sanilac27 min
Jun 23, 3:18 PM EDTSevere Thunderstorm WarningDTXOakland57 min

Nearby

Severe Thunderstorm Warnings in Michigan, 2008Every severe thunderstorm warning 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.