Alert archive / Minnesota / Severe Thunderstorm Warnings in 1993
Severe Thunderstorm Warning 58, NWS Twin Cities, MN
NWS Twin Cities, MN issued this severe thunderstorm warning at Jul 19, 1993, 12:44 AM CDT for Sibley County, Minnesota. It was in force for 46 min.
The area
The counties it named.
The facts
- Issued
- Jul 19, 1993, 12:44 AM CDT (05:44 UTC)
- Expired
- Jul 19, 1993, 1:30 AM CDT
- In force
- 46 min
- Issued by
- NWS Twin Cities, MN
- Area
- Whole counties
County Sibley County, MN
The nearest sounding before it
Minneapolis, MN (KSTC), launched 00:00Z, 5.7 hours before the alert went out and 58 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
- 461 J/kg
- Mixed-layer CIN
- -50 J/kg
- Mixed-layer LCL
- 1382 m above ground
- 0-6 km bulk shear
- 50 kt
- 0-1 km storm-relative helicity
- 30 m²/s²
- 0-3 km storm-relative helicity
- 154 m²/s²
- Significant tornado parameter
- 0.1
- Supercell composite
- 0.7
The text
As transmitted, in the capitals the NWS used until 2016.
000 TTAA00 KMSP 190546 SVRMSP MNC143-190630- BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE MINNEAPOLIS MN 1244 AM CDT MON JUL 19 1993 THE NATIONAL WEATHER SERVICE IN MINNEAPOLIS HAS ISSUED A SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 130 AM CDT FOR PEOPLE IN THE FOLLOWING LOCATION... IN CENTRAL MINNESOTA ...WESTERN SIBLEY COUNTY AT 1245 AM...A SEVERE THUNDERSTORM WAS LOCATED NEAR FAIRFAX IN SOUTHEAST RENVILLE COUNTY...THIS IS 23 MILES EAST OF REDWOOD FALLS. THIS STORM WAS MOVING TO THE EAST AT 35 MILES AN HOUR AND SHOULD MOVE THROUGH GIBBON BY 1 AM....WINTHROP BY 115 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. MORRIS
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 18, 10:49 PM CDT, 1 hour 55 minutes before
MNZ013-190445-
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE MINNEAPOLIS MN
1049 PM CDT SUN JUL 18 1993
VERY STRONG THUNDERSTORMS ARE PASSING ACROSS DAWSON...IN EAST LAC QUI
PARLE COUNTY IN WESTCENTRAL MINNESOTA...OR ABOUT 50 MILES NORTHWEST
OF REDWOOD FALLS MINNESOTA. WIND GUSTS OF 50 MPH ARE REPORTED WITH
THESE STORMS AT 1040 PM NEAR DAWSON ALONG WITH VERY HEAVY RAINFALL.
THE STORMS MOVEMENT IS EAST AT 30 MPH WHICH WOULD CARRY IT INTO
MONTEVIDEO ABOUT 10 PM.
TAKE SHELTER IF THEATENING CONDITIONS APPROACH. DEADLY CLOUD TO GROUND
LIGHTNING IS LIKELY WITH THIS STORM.
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G>6WWUSDSpecial weather statement, Jul 18, 10:50 PM CDT, 1 hour 54 minutes before
MNZ013-190445- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE MINNEAPOLIS MN 1049 PM CDT SUN JUL 18 1993 VERY STRONG THUNDERSTORMS ARE PASSING ACROSS DAWSON...IN EAST LAC QUI PARLE COUNTY IN WESTCENTRAL MINNESOTA...OR ABOUT 50 MILES NORTHWEST OF REDWOOD FALLS MINNESOTA. WIND GUSTS OF 50 MPH ARE REPORTED WITH THESE STORMS AT 1040 PM NEAR DAWSON ALONG WITH VERY HEAVY RAINFALL. THE STORMS MOVEMENT IS EAST AT 30 MPH WHICH WOULD CARRY IT INTO MONTEVIDEO ABOUT 10 PM. TAKE SHELTER IF THEATENING CONDITIONS APPROACH. DEADLY CLOUD TO GROUND LIGHTNING IS LIKELY WITH THIS STORM. WET
The office that day
Everything else NWS Twin Cities, MN issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 18, 11:01 PM CDT | Severe Thunderstorm Warning | MPX | Chippewa | 44 min |
| Jul 18, 11:36 PM CDT | Tornado Warning | MPX | Redwood, Renville | 54 min |
| Jul 19, 12:08 AM CDT | Tornado Warning | MPX | Redwood, Renville | 52 min |
| Jul 19, 12:20 AM CDT | Tornado Warning | MPX | Brown | 25 min |
| Jul 19, 12:41 AM CDT | Tornado Warning | MPX | Brown, Nicollet | 34 min |
| Jul 19, 1:40 AM CDT | Tornado Warning | MPX | Le Sueur | 20 min |
| Jul 19, 2:03 AM CDT | Tornado Warning | MPX | Rice | 27 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.