Alert archive / Minnesota / Severe Thunderstorm Warnings in 1994
Severe Thunderstorm Warning 173, NWS Twin Cities, MN
NWS Twin Cities, MN issued this severe thunderstorm warning at Aug 13, 1994, 3:15 AM CDT for Morrison County, Minnesota. It was in force for 45 min.
The area
The counties it named.
The facts
- Issued
- Aug 13, 1994, 3:15 AM CDT (08:15 UTC)
- Expired
- Aug 13, 1994, 4:00 AM CDT
- In force
- 45 min
- Issued by
- NWS Twin Cities, MN
- Area
- Whole counties
County Morrison County, MN
The nearest sounding before it
Minneapolis, MN (KSTC), launched 00:00Z, 8.3 hours before the alert went out and 139 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
- 100 J/kg
- Mixed-layer CIN
- -216 J/kg
- Mixed-layer LCL
- 577 m above ground
- 0-6 km bulk shear
- 17 kt
- 0-1 km storm-relative helicity
- 31 m²/s²
- 0-3 km storm-relative helicity
- 31 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
000 TTAA00 KSTC 130827 RRA SVRSTC MNC097-130900- BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE ST CLOUD MINNESOTA 315 AM CDT SAT AUG 13 1994 THE NATIONAL WEATHER SERVICE IN ST CLOUD MINNESOTA HAS ISSUED A SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 400 AM CDT FOR PEOPLE IN THE FOLLOWING LOCATION... IN CENTRAL MINNESOTA ...NORTHERN MORRISON COUNTY AT 310 AM RADAR SHOWED A SEVERE THUNDERSTORM NEAR STAPLES IN TODD COU NTY MOVING EAST-SOUTHEAST AT 45 MPH. THIS DANGEROUS STORM WILL AFFECT THE MOTLEY...PILLAGER AND NORTHERN C AMP RIPLEY AREAS BY 345 AM THIS MORNING. FOR YOUR PROTECTION MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF YOUR HOME OR BUSINESS. DO NZOT USE THE TELEPHONE UNLESS IT IS AN EMERGENCY. FRASER 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
Special weather statement, Aug 13, 1:40 AM CDT, 1 hour 35 minutes before
MNZ004>096-130800- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE MINNEAPOLIS/ST PAUL MN 140 AM CDT SAT AUG 13 1994 THE SEVERE THUNDERSTORM WATCH WAS NO LONGER IN EFFECT NORTH OF A THIEF RIVER FALLS TO INTERNATIONAL FALLS LINE. A STRONG COLD FRONT HAS PUSHED INTO MINNESOTA EARLY THIS MORNING. AS THE FRONT MOVES SOUTH AND EAST THE AIR NORTH AND WEST OF THE FRONT WILL BECOME COLD AND STABLE AND THUNDERSTORMS WILL LONGER BE LIKELY. A SEVERE THUNDERSTORM WATCH REMAINED IN EFFECT FOR AN AREA ROUGHLY BOUNDED BY FERGUS FALLS...GRAND RAPIDS...INTERNATIONAL FALLS AND THIEF RIVER FALLS. THUNDERSTORMS WITH DAMAGING WINDS WILL CONTINUE TO BE POSSIBLE IN THIS AREA FOR THE NEXT SEVERAL HOURS. SCOTT
Special weather statement, Aug 13, 1:43 AM CDT, 1 hour 32 minutes before
MNZ004>096-130800- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE MINNEAPOLIS/ST PAUL MN 140 AM CDT SAT AUG 13 1994 THE SEVERE THUNDERSTORM WATCH WAS NO LONGER IN EFFECT NORTH OF A THIEF RIVER FALLS TO INTERNATIONAL FALLS LINE. A STRONG COLD FRONT HAS PUSHED INTO MINNESOTA EARLY THIS MORNING. AS THE FRONT MOVES SOUTH AND EAST THE AIR NORTH AND WEST OF THE FRONT WILL BECOME COLD AND STABLE AND THUNDERSTORMS WILL LONGER BE LIKELY. A SEVERE THUNDERSTORM WATCH REMAINED IN EFFECT FOR AN AREA ROUGHLY BOUNDED BY FERGUS FALLS...GRAND RAPIDS...INTERNATIONAL FALLS AND THIEF RIVER FALLS. THUNDERSTORMS WITH DAMAGING WINDS WILL CONTINUE TO BE POSSIBLE IN THIS AREA FOR THE NEXT SEVERAL HOURS. SCOTT
The office that day
Everything else NWS Twin Cities, MN issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 13, 2:41 AM CDT | Severe Thunderstorm Warning | MPX | Todd | 49 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.