Alert archive / Minnesota / Severe Thunderstorm Warnings in 1993
Severe Thunderstorm Warning 101, NWS Twin Cities, MN
NWS Twin Cities, MN issued this severe thunderstorm warning at Sep 13, 1993, 4:08 AM CDT for Blue Earth County, Minnesota. It was in force for 37 min.
The area
The counties it named.
The facts
- Issued
- Sep 13, 1993, 4:08 AM CDT (09:08 UTC)
- Expired
- Sep 13, 1993, 4:45 AM CDT
- In force
- 37 min
- Issued by
- NWS Twin Cities, MN
- Area
- Whole counties
County Blue Earth County, MN
The nearest sounding before it
Minneapolis, MN (KSTC), launched 00:00Z, 9.1 hours before the alert went out and 98 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 TTAA00 KRST 130910 RRA SVRRST MNC013-130945- BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE ROCHESTER MN 408 AM CDT MON SEP 13 1993 THE NATIONAL WEATHER SERVICE IN ROCHESTER MN HAS ISSUED A SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 430 AM CDT FOR PEOPLE IN THE FOLLOWING LOCATION... IN SOUTH CENTRAL MINNESOTA ...EASTERN BLUE EARTH COUNTY AT 405AM...RADAR INDICATED A SEVERE THUNDERSTORM OVER THE CENTRAL PORTION OF BLUE EARTH COUNTY NEAR THE TOWN OF GOOD THUNDER...OR 11 MILES SOUTHWEST OF MANKATO. THIS STORM WAS MOVING TOWARD THE NORTHEAST AT 35 MPH AND SHOULD TRACK INTO THE ST. CLAIR AND MAPLETON AREAS BY 415AM. THIS STORM WILL PRODUCE BRIEF HEAVY RAINS...LARGE HAIL...GUSTY WINDS AND FREQUENT DEADLY LIGHTNING. 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 TELEVPISION... BUT TURN OFF ALL OTHER ELECTRICAL APPLIANCES. DO NOT USE THE PHONE DURING PERIODS OF FREQUENT LIGHTNING.
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, 2 hours 33 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, 2 hours 32 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, 1 hour 23 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, 1 hour 23 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
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, 4:12 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 | Chisago | 63 min |
| Sep 13, 5:57 AM CDT | Severe Thunderstorm Warning | MPX | Isanti | 63 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.