Alert archive / Michigan / Severe Thunderstorm Warnings in 1988

Severe Thunderstorm Warning 21, NWS Detroit, MI

August 2, 1988Monroe County, Michigan

NWS Detroit, MI issued this severe thunderstorm warning at Aug 2, 1988, 8:21 PM EDT for Monroe County, Michigan. It was in force for 54 min.

The area

The counties it named.

The facts

Issued
Aug 2, 1988, 8:21 PM EDT (00:21 UTC)
Expired
Aug 2, 1988, 9:15 PM EDT
In force
54 min
Issued by
NWS Detroit, MI
Area
Whole counties

County Monroe County, MI

The radar

The WSR-88D network and its archive begin in 1991, so there is no radar volume for this alert.

The nearest sounding before it

Detroit, MI (KFNT), launched 00:00Z, 0.4 hours before the alert went out and 89 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 00:00Z on 1988-08-03Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 4806 joules per kilogram.LCLEL10008507005003002001001 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 00:00Z on 1988-08-03The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 22 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
4806 J/kg
Mixed-layer CIN
-5 J/kg
Mixed-layer LCL
1382 m above ground
0-6 km bulk shear
16 kt
0-1 km storm-relative helicity
22 m²/s²
0-3 km storm-relative helicity
27 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.

000 
TTAA00 KDTW 030021
SVRDTW
MIC115-030115-

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM AND SPECIAL MARINE WARNING 
NATIONAL WEATHER SERVICE DETROIT MI
821 PM EDT TUE AUG 2 1988

THE NATIONAL WEATHER SERVICE HAS ISSUED A SEVERE THUNDERSTORM 
AND SPECIAL MARINE WARNING EFFECTIVE UNTIL 915 PM EDT FOR 
PEOPLE IN THE FOLLOWING COUNTY

   IN THE SOUTHEAST PART OF LOWER MICHIGAN
      SOUTHERN MONROE

...THIS WARNING ALSO INCLUDES THE ADJACENT COASTAL WATERS FOR THE
COUNTY JUST MENTIONED

AT 815 PM EDT...A SEVERE THUNDERSTORM WAS LOCATED 10 MILES
SOUTHWEST OF THE CITY OF MONROE IN MONROE COUNTY. REPORTS OF LARGE
TREE BRANCHES AND POWER LINES ARE DOWN IN THE AREA. THIS STORM
WAS DRIFTING SLOWLY NORTH AROUND 5 MPH. PERSONS IN SOUTHERN MONROE
COUNTY SHOULD BE ON THE LOOKOUT FOR THIS STORM.

IF YOU ARE CAUGHT OUTSIDE...FIND SHELTER FROM THE WEATHER IN A
STRONG BUILDING.  DAMAGING WIND...LARGE HAIL...VERY HEAVY RAIN...
AND DEADLY LIGHTNING ARE ALL POSSIBLE IN SEVERE THUNDERSTORMS.
STAY INSIDE AWAY FROM WINDOWS UNTIL THE STORM HAS PASSED.
SEVERE THUNDERSTORMS PRODUCE DAMAGING WINDS IN EXCESS OF 55
MPH...DESTRUCTIVE HAIL...DEADLY LIGHTNING...AND VERY HEAVY RAIN.
FOR YOU PROTECTION MOVE aTO AN INTERIOR ROOM ON THE LOWEST FLOOR
OF YOUR HOME OR BUSINESS. HEAVY RAINS FLOOD ROADWAYS QUICKLY...
AVOID DRIVING INTO AREAS WHERE WATER COVERS THE ROAD.

 KOWALESKI/DEEDLER

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.

In the hours before

Special weather statement, Aug 2, 5:11 PM EDT, 3 hours 10 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE ANN ARBOR MI
510 PM EDT TUE AUG 2 1988

...SEVERE THUNDERSTORM WATCH FOR WEST AND CENTRAL UPPER MICHIGAN
   IS IN EFFECT UNTIL 11 PM EDT...

SEVERE THUNDERSTORM WATCH 345 IS IN EFFECT FOR WEST AND CENTRAL
UPPER MICHIGAN UNTIL 11 PM EDT.

SCATTERED SHOWERS AND THUNDERSTORMS ARE EXPECTED ACROSS UPPER MICHIGAN
FOR THE REST OF THE NIGHT. HOWEVER...NO SEVERE THUNDERSTORMS HAVE
BEEN REPORTED.

|TO REPEAT...THE SEVERE THUNDERSTORM WATCH FOR WEST AND CENTRAL UPPER
MICHIGAN IS IN EFFECT UNTIL 11 PM EDT.

CDD
Special weather statement, Aug 2, 6:37 PM EDT, 1 hour 44 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE ANN ARBOR MI
635 PM EDT TUE AUG 2 1988

...SEVERE THUNDERSTORM WATCHES FOR ALL OF UPPER MICHIGAN ARE IN
   EFFECT UNTIL 11 PM EDT...

SEVERE THUNDERSTORM WATCHES 345 AND 346 ARE IN EFFECT FOR ALL OF
UPPER MICHIGAN UNTIL 11 PM EDT.

SCATTERED SHOWERS AND THUNDERSTORMS ARE EXPECTED ACROSS UPPER MICHIGAN
FOR THE REST OF THE NIGHT. A FEW THUNDERSTORMS MAY BE SEVERE WITH
DAMAGING WINDS AND LARGE HAIL THIS EVENING. NO SEVERE WEATHER HAS
BEEN REPORTED SINCE 5PM.

TO REPEAT...SEVERE THUNDERSTORM WATCHES FOR UPPER MICHIGAN ARE IN
EFFECT UNTIL 11 PM EDT.

CDD
Special weather statement, Aug 2, 7:36 PM EDT, 45 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE ANN ARBOR MI
735 PM EDT TUE AUG 2 1988

...SEVERE THUNDERSTORM WATCHES FOR ALL OF UPPER MICHIGAN ARE IN
   EFFECT UNTIL 11 PM EDT...

SEVERE THUNDERSTORM WATCHES 345 AND 346 ARE IN EFFECT FOR ALL OF
UPPER MICHIGAN UNTIL 11 PM EDT.

SCATTERED SHOWERS AND THUNDERSTORMS ARE EXPECTED ACROSS UPPER MICHIGAN
FOR THE REST OF THE NIGHT. A FEW THUNDERSTORMS MAY BE SEVERE WITH
DAMAGING WINDS AND LARGE* HAIL THIS EVENING. NO SEVERE WEATHER HAS
BEEN REPORTED SINCE 6PM OVER UPPER MICHIGAN.

TO REPEAT...SEVERE THUNDERSTORM WATCHES FOR UPPER MICHIGAN ARE IN
EFFECT UNTIL 11 PM EDT.

CDD

The office that day

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

IssuedProductOfficeCountiesLasted
Aug 3, 2:15 PM EDTSevere Thunderstorm WarningDTXCrawford30 min
Aug 3, 2:45 PM EDTSevere Thunderstorm WarningDTXCrawford, Ogemaw45 min
Aug 3, 2:52 PM EDTSevere Thunderstorm WarningDTXRoscommon38 min
Aug 3, 3:20 PM EDTSevere Thunderstorm WarningDTXClare32 min
Aug 3, 3:48 PM EDTSevere Thunderstorm WarningDTXRoscommon22 min
Aug 3, 4:00 PM EDTSevere Thunderstorm WarningDTXGladwin30 min
Aug 3, 4:29 PM EDTSevere Thunderstorm WarningDTXArenac31 min
Aug 3, 4:41 PM EDTTornado WarningDTXArenac34 min

Nearby

Severe Thunderstorm Warnings in Michigan, 1988Every severe thunderstorm warning in 1988

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.