Alert archive / Minnesota / Severe Thunderstorm Warnings in 1988
Severe Thunderstorm Warning 22, NWS Twin Cities, MN
NWS Twin Cities, MN issued this severe thunderstorm warning at Jun 21, 1988, 7:00 AM CDT for Morrison County, Minnesota. It was in force for 60 min.
The area
The counties it named.
The facts
- Issued
- Jun 21, 1988, 7:00 AM CDT (12:00 UTC)
- Expired
- Jun 21, 1988, 8:00 AM CDT
- In force
- 60 min
- Issued by
- NWS Twin Cities, MN
- Area
- Whole counties
County Morrison County, MN
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
Minneapolis, MN (KSTC), launched 12:00Z, 0.0 hours before the alert went out and 139 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.
- Mixed-layer CAPE
- 1163 J/kg
- Mixed-layer CIN
- -339 J/kg
- Mixed-layer LCL
- 1792 m above ground
- 0-6 km bulk shear
- 34 kt
- 0-1 km storm-relative helicity
- 204 m²/s²
- 0-3 km storm-relative helicity
- 271 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 2.0
The text
The text of this product is not in the archive. The NWS text archive before 2002 is incomplete.
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, Jun 21, 6:29 AM CDT, 31 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE ST CLOUD MN 615 AM CDT TUE JUN 21 1988 ...THUNDERSTORMS MOVING TOWARDS MILLE LACS LAKE... AN AREA OF STRONG THUNDERSTORMS WAS MOVING INTO THE MILLE LACS LAKE AREA EARLY THIS MORNING. THESE THUNDERSTORMS WILL BE AFFECTING THE LAKE AND SURROUNDING AREA FROM ABOUT 7 AM CDT TO 10 AM CDT. NO SEVERE WEATHER HAS BEEN REPORTED WITH THESE THUNDERSTORMS... HOWEVER THEY WILL PRODUCE GUSTY WINDS...SMEALL HAIL AND FREQUENT LIGHTNING. BOATERS...FISHERMEN AND OTHERS ENGAGING IN OUTDOOR ACTIVITIES ON MILLE LACS LAKE SHOULD BE PREPARED TO TAKE NECESSARY PRECAUTIONS. YOUNG
Special weather statement, Jun 21, 6:37 AM CDT, 23 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE ST CLOUD MN 625 AM CDT TUE JUN 21 1988 ...INTENSE THUNDERSTORMS OVER CENTRAL MINNESOTA... INTENSE THUNDERSTORMS WERE LOCATED IN A LINE FROM DULUTH TO ALEXANDRIA IN CENTRAL MINNESOTA AND MOVING SOUTHEAST AT 30 MPH. ALTHOUGH NO SEVERE WEATHER IS EXPECTED THESE THUNDERSTORMS MAY PRODUCE LOCALLY BRIEF HEAVY RAIN...SMALL HAIL AND GUSTY WINDS. PERSONS IN TODD...MORRISON...NORTHERN STEWARNS AND MILLE LACS COUNTIES CAN EXPECT THESE THUNDERSTORM TO MOVE THROUGH THEIR AREAS OVER THE NEXT SEVERAL HOURS. FRASER/YOUNG
Nearby
Severe Thunderstorm Warnings in Minnesota, 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.