Alert archive / Minnesota / Severe Thunderstorm Warnings in 1994
Severe Thunderstorm Warning 144, NWS Twin Cities, MN
NWS Twin Cities, MN issued this severe thunderstorm warning at Jul 18, 1994, 2:18 PM CDT for Yellow Medicine County, Minnesota. It was in force for 57 min.
The area
The counties it named.
The facts
- Issued
- Jul 18, 1994, 2:18 PM CDT (19:18 UTC)
- Expired
- Jul 18, 1994, 3:15 PM CDT
- In force
- 57 min
- Issued by
- NWS Twin Cities, MN
- Area
- Whole counties
County Yellow Medicine County, MN
The nearest sounding before it
Minneapolis, MN (KSTC), launched 12:00Z, 7.3 hours before the alert went out and 180 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
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 1309 m above ground
- 0-6 km bulk shear
- 41 kt
- 0-1 km storm-relative helicity
- 109 m²/s²
- 0-3 km storm-relative helicity
- 134 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- -0.1
The text
As transmitted, in the capitals the NWS used until 2016.
000 WUUS1 KSTC 181918 RRA SVRSTC MNC173-182015- BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE ST CLOUD MINNESOTA 218 PM CDT MON JUL 18 1994 THE NATIONAL WEATHER SERVICE IN ST CLOUD MINNESOTA HAS ISSUED A SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 315 PM CDT FOR PEOPLE IN THE FOLLOWING LOCATION... IN WEST CENTRAL MINNESOTA ...YELLOW MEDICINE COUNTY AT 210 PM RADAR SHOWED A SEVERE THUNDERSTORM LOCATED BETWEEN MONTEVIDEO AND CANBY WHICH IS 30 MILES SOUTHWEST OF MONTEVIDEO MOVING SOUTHEAST AT 20 MPH. CANBY REPORTED 50 MPH WINDS AND MARBLE SIZE HAIL AT 210 PM. THIS STORM WILL AFFECT CANBY...CLARKFIELD AND PORTER THROUGH 245 PM AND GRANITE FALLS...HAZEL RUN AND WOOD LAKE BY 300 PM. IF YOU OUTSIDE IN THE OPEN...YOU SHOULD MOVE TO A SHELTER... PREFERABLY INSIDE A STRONG BUILDING BUT STAY AWAY FROM WINDOWS. DO NOT USE ELECTRICAL APPLIANCES OR THE TELEPHONE UNLESS IT IS AN EMERGENCY. & NNNN
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
Local storm report, Jul 18, 9:03 AM CDT, 5 hours 15 minutes before
LOCAL STORM REPORT
NATIONAL WEATHER SERVICE ST CLOUD MN
900 AM CDT MON JUL 18 1994
PRELIMINARY REPORT FOR 18 JUL 94
815 AM BIG STONE COUNTY...AT CLINTON 15 N OF ORTONVILLE...
PEA TO M*ARBLE HAIL.
900 AM BIG STONE CTY...14 NE ORTONVILLE...3/4 (DIME) HAIL.
RAYLocal storm report, Jul 18, 1:04 PM CDT, 1 hour 14 minutes before
LOCAL STORM REPORT
NATIONAL WEATHER SERVICE ST CLOUD MN
900 AM CDT MON JUL 18 1994
PRELIMINARY REPORT FOR 18 JUL 94
815 AM BIG STONE COUNTY...AT CLINTON 15 N OF ORTONVILLE...
PEA TO MARBLE HAIL.
900 AM BIG STONE CTY...14 NE ORTONVILLE...3/4 (DIME) HAIL.
1220 PM GOLF BALL SIZE HAIL. TRAVERSE/BIG STONE COUNTY
LINE...CITY OF GRACEVILLE. 20 MILES NORTH OF
ORTONVILLE.
1245 PM GOLF BALL SIZE HAIL...NUMEROUS REPORTS MARBLE SIZE
HAIL. VICINITY OF CLINTON IN BIG STONE COUNTY...
10 MILES NORTH OF ORTONVILLE.
FRASERLocal storm report, Jul 18, 1:40 PM CDT, 38 minutes before
LOCAL STORM REPORT
NATIONAL WEATHER SERVICE ST CLOUD MN
140 PM CDT MON JUL 18 1994
PRELIMINARY REPORT FOR 18 JUL 94
815 AM BIG STONE COUNTY...AT CLINTON 15 N OF ORTONVILLE...
PEA TO MARBLE HAIL.
900 AM BIG STONE CTY...14 NE ORTONVILLE...3/4 (DIME) HAIL.
1220 PM GOLF BALL SIZE HAIL. TRAVERSE/BIG STONE COUNTY
LINE...CITY OF GRACEVILLE. 20 MILES NORTH OF
ORTONVILLE.
1245 PM GOLF BALL SIZE HAIL...NUMEROUS REPORTS MARBLE SIZE
HAIL. VICINITY OF CLINTON IN BIG STONE COUNTY...
10 MILES NORTH OF ORTONVILLE.
135 PM MARBLE SIZE HAIL AND 60 MPH WINDS REPORTED IN NASSAU
AND MARIETTA IN LAC QUI PARLE COUNTY.
230 PM DIME SIZE HAIL AND 60 MPH WINDS NEAR CANBY IN YELLOW
MEDICINE COUNTY...55 MILES NORTHWEST OF REDWOOD FALLS.
FRASERLocal storm report, Jul 18, 1:43 PM CDT, 35 minutes before
LOCAL STORM REPORT
NATIONAL WEATHER SERVICE ST CLOUD MN
140 PM CDT MON JUL 18 1994
PRELIMINARY REPORT FOR 18 JUL 94
815 AM BIG STONE COUNTY...AT CLINTON 15 N OF ORTONVILLE...
PEA TO MARBLE HAIL.
900 AM BIG STONE CTY...14 NE ORTONVILLE...3/4 (DIME) HAIL.
1220 PM GOLF BALL SIZE HAIL. TRAVERSE/BIG STONE COUNTY
LINE...CITY OF GRACEVILLE. 20 MILES NORTH OF
ORTONVILLE.
1245 PM GOLF BALL SIZE HAIL...NUMEROUS REPORTS MARBLE SIZE
HAIL. VICINITY OF CLINTON IN BIG STONE COUNTY...
10 MILES NORTH OF ORTONVILLE.
135 PM MARBLE SIZE HAIL AND 60 MPH WINDS REPORTED IN NASSAU
AND MARIETTA IN LAC QUI PARLE COUNTY.
FRASER/PARKINSpecial weather statement, Jul 18, 2:16 PM CDT, 2 minutes before
MNZ065-073-182020- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE MINNEAPOLIS/ST PAUL MN 217 PM CDT MON JUL 18 1994 ...SEVERE THUNDERSTORMS NORTHWEST OF REDWOOD AND RENVILLE COUNTIES... AT 215 PM...A CLUSTER OF SEVERE THUNDERSTORMS WAS LOCATED OVER CHIPPEWA...SOUTHERN LAC QUI PARLE AND NORTHERN YELLOW MEDICINE COUNTIES. THE STRONGEST THUNDERSTORM WAS ABOUT 10 MILES NORTHWEST OF MONTEVIDEO OR ABOUT 25 MILES WEST OF WILLMAR. ANOTHER STRONG AND POSSIBLY SEVERE THUNDERSTORM WAS NEAR PROVIDENCE IN SOUTHERN LAC QUI PARLE COUNTY. THESE THUNDERSTORMS WERE MOVING TO THE EAST TO SOUTHEAST AT 20 MPH AND WILL BEGIN TO AFFECT WESTERN RENVILLE AND THE FAR NORTHWEST PORTIONS OF REDWOOD COUNTY AFTER 245 PM. SOME TOWNS THAT LIE IN THE PATH OF THESE THUNDERSTORMS INCLUDE MINNESOTA FALLS...SACRED HEART AND BELVIEW. THESE THUNDERSTORMS ARE CAPABLE OF PRODUCING LARGE HAIL AND DAMAGING WINDS IN EXCESS OF 55 MPH IN ADDITION TO FREQUENT CLOUD TO GROUND LIGHTNING AND TORRENTIAL RAINFALL. AT SIGNS OF AN IMPENDING STORM...TOWERING THUNDERHEADS...DARKENING SKIES...LIGHTNING AND INCREASING WINDS...MOVE TO A PLACE OF SAFETY. TUNE IN NOAA WEATHER RADIO OR YOUR LOCAL RADIO OR TV STATION FOR TVHE LATEST WEATHER INFORMATION. KAVINSKY
Special weather statement, Jul 18, 2:17 PM CDT, 1 minute before
MNZ065-073-182020- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE MINNEAPOLIS/ST PAUL MN 217 PM CDT MON JUL 18 1994 ...SEVERE THUNDERSTORMS NORTHWEST OF REDWOOD AND RENVILLE COUNTIES... AT 215 PM...A CLUSTER OF SEVERE THUNDERSTORMS WAS LOCATED OVER CHIPPEWA...SOUTHERN LAC QUI PARLE AND NORTHERN YELLOW MEDICINE COUNTIES. THE STRONGEST THUNDERSTORM WAS ABOUT 10 MILES NORTHWEST OF MONTEVIDEO OR ABOUT 25 MILES WEST OF WILLMAR. ANOTHER STRONG AND POSSIBLY SEVERE THUNDERSTORM WAS NEAR PROVIDENCE IN SOUTHERN LAC QUI PARLE COUNTY. THESE THUNDERSTORMS WERE MOVING TO THE EAST TO SOUTHEAST AT 20 MPH AND WILL BEGIN TO AFFECT WESTERN RENVILLE AND THE FAR NORTHWEST PORTIONS OF REDWOOD COUNTY AFTER 245 PM. SOME TOWNS THAT LIE IN THE PATH OF THESE THUNDERSTORMS INCLUDE MINNESOTA FALLS...SACRED HEART AND BELVIEW. THESE THUNDERSTORMS ARE CAPABLE OF PRODUCING LARGE HAIL AND DAMAGING WINDS IN EXCESS OF 55 MPH IN ADDITION TO FREQUENT CLOUD TO GROUND LIGHTNING AND TORRENTIAL RAINFALL. AT SIGNS OF AN IMPENDING STORM...TOWERING THUNDERHEADS...DARKENING SKIES...LIGHTNING AND INCREASING WINDS...MOVE TO A PLACE OF SAFETY. TUNE IN NOAA WEATHER RADIO OR YOUR LOCAL RADIO OR TV STATION FOR THE LATEST WEATHER INFORMATION. KAVINSKY
The office that day
Everything else NWS Twin Cities, MN issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 18, 8:18 AM CDT | Severe Thunderstorm Warning | MPX | Big Stone | 57 min |
| Jul 18, 12:31 PM CDT | Severe Thunderstorm Warning | MPX | Big Stone | 59 min |
| Jul 18, 1:36 PM CDT | Severe Thunderstorm Warning | MPX | Lac qui Parle | 54 min |
| Jul 18, 2:06 PM CDT | Severe Thunderstorm Warning | MPX | Chippewa | 54 min |
| Jul 18, 3:10 PM CDT | Severe Thunderstorm Warning | MPX | Redwood | 65 min |
| Jul 18, 5:05 PM CDT | Severe Thunderstorm Warning | MPX | Martin | 40 min |
Nearby
Severe Thunderstorm Warnings in Minnesota, 1994Every severe thunderstorm warning in 1994
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.