Alert archive / Minnesota / Severe Thunderstorm Warnings in 1992
Severe Thunderstorm Warning 55, NWS Twin Cities, MN
NWS Twin Cities, MN issued this severe thunderstorm warning at Aug 1, 1992, 4:35 PM CDT for Scott County, Minnesota. It was in force for 40 min.
The area
The counties it named.
The facts
- Issued
- Aug 1, 1992, 4:35 PM CDT (21:35 UTC)
- Expired
- Aug 1, 1992, 5:15 PM CDT
- In force
- 40 min
- Issued by
- NWS Twin Cities, MN
- Area
- Whole counties
County Scott County, MN
The nearest sounding before it
Minneapolis, MN (KSTC), launched 12:00Z, 9.6 hours before the alert went out and 23 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
- 82 J/kg
- Mixed-layer CIN
- -236 J/kg
- Mixed-layer LCL
- 1220 m above ground
- 0-6 km bulk shear
- 28 kt
- 0-1 km storm-relative helicity
- 111 m²/s²
- 0-3 km storm-relative helicity
- 62 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
000 TTAA00 KMSP 012136 SVRMSP MNC139-012215- BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE MINNEAPOLIS MN 435 PM CDT SAT AUG 1 1992 THE NATIONAL WEATHER SERVICE IN MINNEAPOLIS HAS ISSUED A SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 515 PM CDT FOR PEOPLE IN THE FOLLOWING LOCATION... IN EAST CENTRAL MINNESOTA ...SCOTT COUNTY AT 427 PM...GOLF BALL SIZE HAIL WAS REPORTED IN THE VICINITY OF PRIOR LAKE...ABOUT 15 MILES SOUTH OF THE TWIN CITIES. THE SEVERE THUNDERSTORM PRODUCING THE LARGE HAIL WILL BE AFFECTING THE TOWN OF CREDIT RIVER AND NEW MARKET BY 445 PM AND WAS MOVING TO THE EAST AT 30 MILES AN HOUR. YOU SHOULD MOVE INDOORS AND STAY AWAY FROM WINDOWS IF YOU ARE IN THE PATH OF THESE STORMS. SEVERE THUNDERSTORMS PRODUCE DAMAGING WIND IN EXCESS OF 55 MPH...DESTRUCTIVE HAIL...DEADLY LIGHTNING...AND VERY HEAVY RAIN. FOR YOUR PROTECTION MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF YOUR HOME OR BUSINESS. HEAVY RAINS FLOOD ROADS QUICKLY SO DON'T DRIVE INTO AREAS WHERE WATER COVERS THE ROAD. DWE
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 1, 3:47 PM CDT, 48 minutes before
MNZ008-009-010-001-012-013-014-015-016-017-018-019-WIZ003-006-012145- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE MINNEAPOLIS MN 346 PM CDT SAT AUG 1 1992 ...SEVERE THUNDERSTORM WATCH IN EFFECT FOR MUCH OF THE SOUTH HALF OF MINNESOTA UNTIL 1000 PM... STRONG THUNDERSTORMS DEVELOPED RAPIDLY OVER CENTRAL AND SOUTH CENTRAL MINNESOTA SINCE 230 PM. THUNDERSTORMS WITH VERY HEAVY RAINFALL WERE OCCURRING NEAR MILLE LACS LAKE IN CENTRAL MINNESOTA...AND NEAR WILLMAR AND HUTCHINSON IN SOUTH CENTRAL MINNESOTA AT 330 PM. STRONG GUSTY WINDS...FREQUENT DEADLY LIGHTNING...AND SMALL HAIL ARE POSSIBLE IN ADDITION TO THE VERY HEAVY RAINFALL. PERSONS ENGAGED IN OUTDOOR ACTIVITIES SHOULD REMAIN ALERT AND BE READY TO SEEK SAFE SHELTER IF THREATENING WEATHER APPROACHES. MOVEMENT WAS TO THE EAST AT 30 MILES AN HOUR. THE THUNDERSTORM NEAR HUTCHINSON WILL BE APPROACHING CHASKA IN THE SOUTHWEST SUBURBS OF THE GREATER TWIN CITIES METRO AREA BY ABOUT 415 PM. BOATERS ON MILLE LACS LAKE SHOULD BE READY TO HEAD FOR SAFE HARBOR AS A STRONG THUNDERSTORM WILL BE CROSSING THE SOUTH HALF OF THE LAKE BETWEEN 345 PM AND 415 PM. KRAFT
Special weather statement, Aug 1, 4:21 PM CDT, 14 minutes before
SPECIAL WEATHER STATEMENT AND SHORT RANGE WEATHER FORECAST NATIONAL WEATHER SERVICE ST CLOUD MN 410 PM CDT SAT AUG 1 1992 ...SEVERE THUNDERSTORM WATCH UNTIL 10 PM FOR CENTRAL MINNESOTA... WARM TEMPERATURES AROUND 80 AND HIGH HUMIDITIES HAVE CREATED THE CHANCE FOR SEVERE THUNDERSTORMS FOR THE REST OF THIS AFTERNOON AND THIS EVENING IN CENTRAL MINNESOTA. THUNDERSTORMS OVER THE SOUTHERN HALF OF LAKE MILLE LACS WILL MOVE INTO KANABEC COUNTY BY 500 PM AND THUNDERSTORMS OVER SOUTHERN MEEKER COUNTY WILL MOVE INTO MCLEOD COUNTY BY 515 PM. HAYS
Special weather statement, Aug 1, 4:29 PM CDT, 6 minutes before
MNZ-012-014- SPECIAL WEATHER STATEMENT AND SHORT RANGE WEATHER FORECAST NATIONAL WEATHER SERVICE ST CLOUD MN 410 PM CDT SAT AUG 1 1992 ...SEVERE THUNDERSTORM WATCH UNTIL 10 PM FOR CENTRAL MINNESOTA... WARM TEMPERATURES AROUND 80 AND HIGH HUMIDITIES HAVE CREATED THE CHANCE FOR SEVERE THUNDERSTORMS FOR THE REST OF THIS AFTERNOON AND THIS EVENING IN CENTRAL MINNESOTA. THUNDERSTORMS OVER THE SOUTHERN HALF OF LAKE MILLE LACS WILL MOVE INTO KAN ABEC COUNTY BY 500 PM AND THUNDERSTORMS OVER SOUTHERN MEEKER COUNTY WILL MOVE INTO MCLEOD COUNTY BY 515 PM. HAYS
The office that day
Everything else NWS Twin Cities, MN issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 1, 4:07 PM CDT | Severe Thunderstorm Warning | MPX | Carver, McLeod, Scott, Sibley | 53 min |
| Aug 1, 5:41 PM CDT | Severe Thunderstorm Warning | MPX | Le Sueur, Rice | 34 min |
| Aug 1, 6:42 PM CDT | Severe Thunderstorm Warning | MPX | Meeker | 63 min |
Nearby
Severe Thunderstorm Warnings in Minnesota, 1992Every severe thunderstorm warning in 1992
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.