Alert archive / Minnesota / Severe Thunderstorm Warnings in 1993
Severe Thunderstorm Warning 107, NWS Twin Cities, MN
NWS Twin Cities, MN issued this severe thunderstorm warning at Sep 13, 1993, 5:57 AM CDT for Chisago County, Minnesota; Polk County, Wisconsin. It was in force for 63 min.
The area
The counties it named.
The facts
- Issued
- Sep 13, 1993, 5:57 AM CDT (10:57 UTC)
- Expired
- Sep 13, 1993, 7:00 AM CDT
- In force
- 63 min
- Issued by
- NWS Twin Cities, MN
- Area
- Whole counties
Counties Chisago County, MN, Polk County, WI
The nearest sounding before it
Minneapolis, MN (KSTC), launched 00:00Z, 11.0 hours before the alert went out and 101 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
- 2258 J/kg
- Mixed-layer CIN
- -152 J/kg
- Mixed-layer LCL
- 1159 m above ground
- 0-6 km bulk shear
- 56 kt
- 0-1 km storm-relative helicity
- 175 m²/s²
- 0-3 km storm-relative helicity
- 267 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 3.1
The text
As transmitted, in the capitals the NWS used until 2016.
000 WUUS1 KMSP 131058 SVRMPX MNC025-059-WIC095-131200- BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE MINNEAPOLIS MN 557 AM CDT MON SEP 13 1993 THE NATIONAL WEATHER SERVICE IN MINNEAPOLIS HAS ISSUED A SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 700 AM CDT FOR PEOPLE IN THE FOLLOWING LOCATIONS... IN EAST CENTRAL MINNESOTA ...CHISAGO COUNTY...ISANTI COUNTY IN WEST CENTRAL WISCONSIN ...POLK COUNTY AT 555 AM CDT...RADAR INDICATED SEVERE THUNDERSTORMS FROM BETHEL MINNESOTA...ABOUT 30 MILES NORTH OF DOWNTOWN MINNEAPOLIS TO SOMERSET WISCONSIN...OR ABOUT 30 MILES NORTHEAST OF DOWNTOWN MINNEAPOLIS. THE SEVERE THUNDERSTORMS WERE MOVING TOWARD THE NORTHEAST AT 35 MPH. THE SEVERE THUNDERSTORMS WILL PASS NEAR OR THROUGH THE CITIES OF CAMBRIDGE...TAYLORS FALLS...IN MINNESOTA...AND BALSAM LAKE IN WISCONSIN BY 7 AM. RECENT SEVERE WEATHER REPORTS INCLUDE...1 INCH HAIL IN THE CITY OF RAMSEY IN ANOKA COUNTY AT 545 AM...AND DAMAGING WINDS AT EAST BETHEL ANOKA COUNTY AT 550 AM. 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. NAISTAT &
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, Sep 13, 1:35 AM CDT, 4 hours 22 minutes before
MNZ017-130730- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE MINNEAPOLIS MN 135 AM CDT MON SEP 13 1993 ...STRONG THUNDERSTORMS ENTER EXTREME SOUTHWEST MINNESOTA... AT 130 AM...STRONG THUNDERSTORMS HAD CROSSED THE SOUTH DAKOTA STATE LINE INTO EXTREME SOUTHWEST MINNESOTA. THEY WERE LOCATED IN THE HARDWICK... LUVERNE AREA OF ROCK COUNTY IN EXTREME SOUTHWEST MINNESOTA...ABOUT 20 MILES EAST OF THE CITY OF SIOUX FALLS. THESE THUNDERSTORMS MAY PRODUCE LARGE HAIL...DAMAGING WINDS...DEADLY LIGHTNING...AND VERY HEAVY RAINFALL. PERSONS ENGAGED IN OUTDOOR ACTIVITIES SUCH AS BOATING OR CAMPING SHOULD BE READY TO SEEK SAFE SHELTER. MOVEMENT WAS TO THE NORTHEAST AT 30 TO 35 MILES AN HOUR. THEY SHOULD REACH THE TOWNS OF WILMONT AND SLAYTON IN EXTREME SOUTHWEST MINNESOTA BY ABOUT 200 AM. KRAFT
Special weather statement, Sep 13, 1:36 AM CDT, 4 hours 21 minutes before
MNZ017-130730- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE MINNEAPOLIS MN 135 AM CDT MON SEP 13 1993 ...STRONG THUNDERSTORMS ENTER EXTREME SOUTHWEST MINNESOTA... AT 130 AM...STRONG THUNDERSTORMS HAD CROSSED THE SOUTH DAKOTA STATE LINE INTO EXTREME SOUTHWEST MINNESOTA. THEY WERE LOCATED IN THE HARDWICK... LUVERNE AREA OF ROCK COUNTY IN EXTREME SOUTHWEST MINNESOTA...ABOUT 20 MILES EAST OF THE CITY OF SIOUX FALLS. THESE THUNDERSTORMS MAY PRODUCE LARGE HAIL...DAMAGING WINDS...DEADLY LIGHTNING...AND VERY HEAVY RAINFALL. PERSONS ENGAGED IN OUTDOOR ACTIVITIES SUCH AS BOATING OR CAMPING SHOULD BE READY TO SEEK SAFE SHELTER. MOVEMENT WAS TO THE NORTHEAST AT 30 TO 35 MILES AN HOUR. THEY SHOULD REACH THE TOWNS OF WILMONT AND SLAYTON IN EXTREME SOUTHWEST MINNESOTA BY ABOUT 200 AM. KRAFT
Special weather statement, Sep 13, 2:45 AM CDT, 3 hours 12 minutes before
MNZ017-130845- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE MINNEAPOLIS MN 245 AM CDT MON SEP 13 1993 ...STRONG THUNDERSTORMS IN SOUTHWEST MINNESOTA... STRONG THUNDERSTORMS CONTINUED OVER EXTREME SOUTHWEST MINNESOTA. AT 240 AM THE LEADING EDGE OF THESE STORMS WAS ALONG A LINE FROM NEAR TRACY TO WESTBROOK TO JACKSON. THE MOST POWERFUL OF THESE THUNDERSTORMS WERE LOCATED NEAR FULDA AND NORTHEAST OF WORTHINGTON...ABOUT 50 MILES SOUTH OF REDWOOD FALLS. THESE STRONG THUNDERSTORMS MAY PRODUCE DAMAGING WINDS...FREQUENT DEADLY LIGHTNING...HAIL...AND VERY HEAVY RAINFALL. PERSONS ENGAGED IN OUTDOOR ACTIVITIES SUCH AS BOATING OR CAMPING SHOULD BE READY TO SEEK SAFE SHELTER. MOVEMENT WAS TO THE NORTHEAST AT 30 TO 35 MILES AN HOUR. THEY SHOULD REACH THE TOWNS OF MOUNTAIN LAKE...JEFFERS...AND WABASSO BY ABOUT 330 AM. KRAFT
Special weather statement, Sep 13, 2:45 AM CDT, 3 hours 12 minutes before
MNZ017-130845- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE MINNEAPOLIS MN 245 AM CDT MON SEP 13 1993 ...STRONG THUNDERSTORMS IN SOUTHWEST MINNESOTA... STRONG THUNDERSTORMS CONTINUED OVER EXTREME SOUTHWEST MINNESOTA. AT 240 AM THE LEADING EDGE OF THESE STORMS WAS ALONG A LINE FROM NEAR TRACY TO WESTBROOK TO JACKSON. THE MOST POWERFUL OF THESE THUNDERSTORMS WERE LOCATED NEAR FULDA AND NORTHEAST OF WORTHINGTON...ABOUT 50 MILES SOUTH OF REDWOOD FALLS. THESE STRONG THUNDERSTORMS MAY PRODUCE DAMAGING WINDS...FREQUENT DEADLY LIGHTNING...HAIL...AND VERY HEAVY RAINFALL. PERSONS ENGAGED IN OUTDOOR ACTIVITIES SUCH AS BOATING OR CAMPING SHOULD BE READY TO SEEK SAFE SHELTER. MOVEMENT WAS TO THE NORTHEAST AT 30 TO 35 MILES AN HOUR. THEY SHOULD REACH THE TOWNS OF MOUNTAIN LAKE...JEFFERS...AND WABASSO BY ABOUT 330 AM. KRAFT
Special weather statement, Sep 13, 4:34 AM CDT, 1 hour 23 minutes before
MNZ016-131030- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE MINNEAPOLIS MN 435 AM CDT MON SEP 13 1993 ...STRONG THUNDERSTORMS MOVING THROUGH THE TWIN CITIES... AT 430 AM...RADAR INDICATED AN AREA OF STRONG THUNDERSTORMS JUST SOUTHWEST OF THE TWIN CITIES METRO AREA. THESE STRONG THUNDERSTORMS WILL MOVE THROUGH THE TWIN CITIES METRO AREA BY 600 AM CDT. EXPECT WIND GUSTS OVER 35 MPH...HAIL...HEAVY RAIN...AND DANGEROUS LIGHTNING WITH THEfSE STORMS. NAISTAT
Special weather statement, Sep 13, 4:35 AM CDT, 1 hour 22 minutes before
MNZ016-131030- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE MINNEAPOLIS MN 435 AM CDT MON SEP 13 1993 ...STRONG THUNDERSTORMS MOVING THROUGH THE TWIN CITIES... AT 430 AM...RADAR INDICATED AN AREA OF STRONG THUNDERSTORMS JUST SOUTHWEST OF THE TWIN CITIES METRO AREA. THESE STRONG THUNDERSTORMS WILL MOVE THROUGH THE TWIN CITIES METRO AREA BY 600 AM CDT. EXPECT WIND GUSTS OVER 35 MPH...HAIL...HEAVY RAIN...AND DANGEROUS LIGHTNING WITH THESE STORMS. NAISTAT
The office that day
Everything else NWS Twin Cities, MN issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Sep 13, 3:10 AM CDT | Severe Thunderstorm Warning | MPX | Redwood, Renville | 65 min |
| Sep 13, 3:17 AM CDT | Severe Thunderstorm Warning | MPX | Martin | 43 min |
| Sep 13, 4:08 AM CDT | Severe Thunderstorm Warning | MPX | Blue Earth | 37 min |
| Sep 13, 4:12 AM CDT | Severe Thunderstorm Warning | MPX | McLeod, Wright | 63 min |
| Sep 13, 4:17 AM CDT | Severe Thunderstorm Warning | MPX | Meeker | 58 min |
| Sep 13, 5:04 AM CDT | Severe Thunderstorm Warning | MPX | Anoka, Hennepin, Ramsey, Washington | 56 min |
| Sep 13, 5:04 AM CDT | Severe Thunderstorm Warning | MPX | Dakota, Scott | 56 min |
| Sep 13, 5:23 AM CDT | Severe Thunderstorm Warning | MPX | Sherburne | 22 min |
| Sep 13, 5:57 AM CDT | Severe Thunderstorm Warning | MPX | Isanti | 63 min |
| Sep 13, 6:13 AM CDT | Severe Thunderstorm Warning | MPX | Barron, Rusk | 62 min |
Nearby
Severe Thunderstorm Warnings in Minnesota, 1993Severe Thunderstorm Warnings in Wisconsin, 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.