Alert archive / Minnesota / Severe Thunderstorm Warnings in 1993
Severe Thunderstorm Warning 67, NWS Twin Cities, MN
NWS Twin Cities, MN issued this severe thunderstorm warning at Jul 31, 1993, 9:14 AM CDT for Carver County, Hennepin County, Wright County, Minnesota. It was in force for 61 min.
The area
The counties it named.
The facts
- Issued
- Jul 31, 1993, 9:14 AM CDT (14:14 UTC)
- Expired
- Jul 31, 1993, 10:15 AM CDT
- In force
- 61 min
- Issued by
- NWS Twin Cities, MN
- Area
- Whole counties
Counties Carver County, MN, Hennepin County, MN, Wright County, MN
The nearest sounding before it
Minneapolis, MN (KSTC), launched 12:00Z, 2.2 hours before the alert went out and 20 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
- 3174 J/kg
- Mixed-layer CIN
- -103 J/kg
- Mixed-layer LCL
- 546 m above ground
- 0-6 km bulk shear
- 21 kt
- 0-1 km storm-relative helicity
- -36 m²/s²
- 0-3 km storm-relative helicity
- 162 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 7.5
The text
As transmitted, in the capitals the NWS used until 2016.
000 WUUS1 KMSP 311414 SVRMPX MNC171-019-053-311515- BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE MINNEAPOLIS MN 914 AM CDT SAT JUL 31 1993 THE NATIONAL WEATHER SERVICE IN MINNEAPOLIS HAS ISSUED A SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 1015 AM CDT FOR PEOPLE IN THE FOLLOWING LOCATIONS... IN CENTRAL MINNESOTA ...SOUTHERN WRIGHT COUNTY IN EAST CENTRAL MINNESOTA ...CARVER COUNTY...WESTERN HENNEPIN COUNTY A LINE OF SEVERE THUNDERSTORMS IS ENTERING WESTERN CARVAR COUNTY AT 910 AM CDT THIS SATURDAY. THESE STORMS HAVE A HISTORY OF PRODUCING TORRENTIAL RAINFALL AND WIND GUSTS OF 55 TO 60 MPH. THE STRONGEST STORMS ARE HEADED FOR WACONIA IN CARVER COUNTY AND LAKE MINNETONTA IN HENNIPEN COUNTY AND DELANO IN WRIGHT COUNTY. DAMAGING WINDS CAN BE EXPECTED IN WACONIA BEFORE 930 AM AND IN LAKE MINNETONKA BETWEEN 940 AND 945 AM THIS SATURDAY MORNING. TAKE SHELTER IF THREATENING CONDITIONS APPROACH YOUR AREA. SEVERE THUNDERSTORMS PRODUCE DAMAGING WIND...LARGE HAIL... DEADLY LIGHTNING...AND VERY HEAVY RAIN. FOR YOUR PROTECTION MOVE TO AN INTERIOR ROOM. PEOPLE IN MOBILE HOMES SHOULD GO TO A STORM SHELTER. WHEN SEVERE THUNDERSTORMS ARE OCCURRING...STAY INSIDE A STRONG BUILDING. PROTECT YOURSELF FROM DAMAGING WINDS OR HAIL BY KEEPING AWAY FROM WINDOWS. LISTEN TO YOUR RADIO OR TELEVISION... BUT TURN OFF ALL OTHER ELECTRICAL APPLIANCES. DO NOT USE THE PHONE DURING PERIODS OF FREQUENT LIGHTNING. TOGSTAD
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, Jul 31, 8:10 AM CDT, 1 hour 4 minutes before
MNZ017-311515- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE MINNEAPOLIS MN 810 AM CDT SAT JUL 31 1993 A LINE OF STRONG THUNDERSTORMS EXTENDS SOUTH FROM BENSON TO REDWOOD FALLS SOUTHWEST TO NEAR WORTHINGTON. TORRENTIAL RAINFALL WITH 40 TO 50 MPH WINDS ARE COMMON WITH THUNDERSTORMS WITHIN THIS SQUALL LINE. MOVEMENT OF THESE STORMS IS EASTWARD AT 30 MPH AND THIS WILL LIKELY MEAN SOME OF THE STRONGER STORMS IN THE LINE WILL CROSS SOUTH REDWlOOD FALLS BETWEEN 810 AM AND 845 AM THIS SATURDAY MORNING. TAKE SHELTER IF THREATENING CONDITIONS APPROACH YOUR AREA. WET
Special weather statement, Jul 31, 8:10 AM CDT, 1 hour 4 minutes before
MNZ017-311515- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE MINNEAPOLIS MN 810 AM CDT SAT JUL 31 1993 A LINE OF STRONG THUNDERSTORMS EXTENDS SOUTH FROM BENSON TO REDWOOD FALLS SOUTHWEST TO NEAR WORTHINGTON. TORRENTIAL RAINFALL WITH 40 TO 50 MPH WINDS ARE COMMON WITH THUNDERSTORMS WITHIN THIS SQUALL LINE. MOVEMENT OF THESE STORMS IS EASTWARD AT 30 MPH AND THIS WILL LIKELY MEAN SOME OF THE STRONGER STORMS IN THE LINE WILL CROSS SOUTH REDWOOD FALLS BETWEEN 810 AM AND 845 AM THIS SATURDAY MORNING. TAKE SHELTER IF THREATENING CONDITIONS APPROACH YOUR AREA. WET
Special weather statement, Jul 31, 8:15 AM CDT, 59 minutes before
MNZ013-14-311400- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE ST CLOUD MN 815 AM CDT SAT JUL 31 1993 ...THUNDERSTORMS WITH STRONG WINDS AND HEAVY RAIN IN CENTRAL MINNESOTA.. A LINE OF THUNDERSTORMS WITH WINDS GUSTING TO NEAR 50 MPH AND HEAVY RAIN IS MOVING INTO CENTRAL MINNESOTA...SPECIFICALLY SWIFT...CHIPPEWA ...AND SOUTHERN POPE COUNTIES. THIS LINE OF STORMS IS MOVING TO THE EAST AT 30 MPH AND SHOULD CONTINUE TO AFFECT THE FOREMENTIONED AREAS THROUGH 9 AM. KANDIYOHI COUNTY WILL BE THE NEXT AREA AFFECTED AROUND 9 AM. PERSONS IN THESE AREAS SHOULD BE AWARE OF CHANGING WEATHER CONDITIONS AND BE PREPARED TO TAKE SHELTER IF NECESSARY. PARKIN
Special weather statement, Jul 31, 8:18 AM CDT, 56 minutes before
MNZ013-14-311400- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE ST CLOUD MN 815 AM CDT SAT JUL 31 1993 ...THUNDERSTORMS WITH STRONG WINDS AND HEAVY RAIN IN CENTRAL MINNESOTA.. A LINE OF THUNDERSTORMS WITH WINDS GUSTING TO NEAR 50 MPH AND HEAVY RAIN IS MOVING INTO CENTRAL MINNESOTA...SPECIFICALLY SWIFT...CHIPPEWA ...AND SOUTHERN POPE COUNTIES. THIS LINE OF STORMS IS MOVING TO THE EAST AT 30 MPH AND SHOULD CONTINUE TO AFFECT THE FOREMENTIONED AREAS THROUGH 9 AM. KANDIYOHI COUNTY WILL BE THE NEXT AREA AFFECTED AROUND 9 AM. PERSONS IN THESE AREAS SHOULD BE AWARE OF CHANGING WEATHER CONDITIONS AND BE PREPARED TO TAKE SHELTER IF NECESSARY. PARKIN
Special weather statement, Jul 31, 8:36 AM CDT, 38 minutes before
MNZ016-311545- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE MINNEAPOLIS MN 836 AM CDT SAT JUL 31 1993 ...THUNDERSTORMS APPROACHING THE TWIN CITIES METRO AREA... A LINE OF STRONG THUNDERSTORMS WITH HEAVY RAIN WILL SURGE INTO THE TWIN CITIES THIS MORNING. THIS LINE OF THUNDERSTORMS WILL ARRIVE IN CARVER COUNTY SHORTLY AFTER 900 AM. THESE THUNDERSTORMS WILL MOVE EAST ACROSS THE REST OF METRO AREA AT 40 MPH. LOOK FOR HEAVY RAIN...GUSTY WIND AND FREQUENT LIGHTNING THROUGH THE DOWNTOWN AREA OF MINNEAPOLIS AROUND 930 AM AND ACROSS DAKOTA COUNTY BETWEEN 930 AM AND 1000 AM. THE THUNDERSTORMS HOLD THE POTENTIAL FOR DAMAGING WINDS AND HAIL AS WELL AT DOWNPOURS OF RAIN. URBAN FLOODING IS POSSIBLE IN UNDERPASSES AND LOW LYING AREAS. WJH
Special weather statement, Jul 31, 8:41 AM CDT, 33 minutes before
MNZ016-311545- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE MINNEAPOLIS MN 836 AM CDT SAT JUL 31 1993 ...THUNDERSTORMS APPROACHING THE TWIN CITIES METRO AREA... A LINE OF STRONG THUNDERSTORMS WITH HEAVY RAIN WILL SURGE INTO THE TWIN CITIES THIS MORNING. THIS LINE OF THUNDERSTORMS WILL ARRIVE IN CARVER COUNTY SHORTLY AFTER 900 AM. THESE THUNDERSTORMS WILL MOVE EAST ACROSS THE REST OF METRO AREA AT 40 MPH. LOOK FOR HEAVY RAIN...GUSTY WIND AND FREQUENT LIGHTNING THROUGH THE DOWNTOWN AREA OF MINNEAPOLIS AROUND 930 AM AND ACROSS DAKOTA COUNTY BETWEEN 930 AM AND 1000 AM. THE THUNDERSTORMS HOLD THE POTENTIAL FOR DAMAGING WINDS AND HAIL AS WELL AT DOWNPOURS OF RAIN. URBAN FLOODING IS POSSIBLE IN UNDERPASSES AND LOW LYING AREAS. WJH
The office that day
Everything else NWS Twin Cities, MN issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 31, 3:33 AM CDT | Severe Thunderstorm Warning | MPX | Blue Earth, Watonwan | 27 min |
| Jul 31, 4:31 AM CDT | Severe Thunderstorm Warning | MPX | Faribault, Freeborn | 29 min |
| Jul 31, 4:31 AM CDT | Severe Thunderstorm Warning | MPX | Blue Earth | 29 min |
| Jul 31, 5:24 AM CDT | Severe Thunderstorm Warning | MPX | Blue Earth, Le Sueur, Nicollet | 36 min |
| Jul 31, 5:43 AM CDT | Severe Thunderstorm Warning | MPX | Dodge, Mower | 32 min |
| Jul 31, 8:20 AM CDT | Severe Thunderstorm Warning | MPX | McLeod, Renville, Sibley | 55 min |
| Jul 31, 8:34 AM CDT | Severe Thunderstorm Warning | MPX | Brown, Nicollet | 26 min |
| Jul 31, 9:14 AM CDT | Severe Thunderstorm Warning | MPX | Meeker | 46 min |
| Jul 31, 9:40 AM CDT | Severe Thunderstorm Warning | MPX | Sherburne | 50 min |
| Jul 31, 9:49 AM CDT | Severe Thunderstorm Warning | MPX | Dakota, Hennepin, Scott | 43 min |
| Jul 31, 9:50 AM CDT | Severe Thunderstorm Warning | MPX | Steele | 30 min |
| Jul 31, 10:01 AM CDT | Severe Thunderstorm Warning | MPX | Anoka, Chisago, Ramsey, Washington | 59 min |
| Jul 31, 10:03 AM CDT | Severe Thunderstorm Warning | MPX | Meeker | 57 min |
| Jul 31, 10:20 AM CDT | Severe Thunderstorm Warning | MPX | Sherburne | 55 min |
| Jul 31, 10:27 AM CDT | Severe Thunderstorm Warning | MPX | Stearns | 63 min |
| Jul 31, 10:38 AM CDT | Severe Thunderstorm Warning | MPX | Morrison | 52 min |
| Jul 31, 11:29 AM CDT | Severe Thunderstorm Warning | MPX | Stearns | 61 min |
Nearby
Severe Thunderstorm Warnings in Minnesota, 1993Every severe thunderstorm warning in 1993
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.