Alert archive / Minnesota / Severe Thunderstorm Warnings in 1994
Severe Thunderstorm Warning 178, NWS Twin Cities, MN
NWS Twin Cities, MN issued this severe thunderstorm warning at Aug 19, 1994, 8:52 AM CDT for Houston County, Minnesota. It was in force for 38 min.
The area
The counties it named.
The facts
- Issued
- Aug 19, 1994, 8:52 AM CDT (13:52 UTC)
- Expired
- Aug 19, 1994, 9:30 AM CDT
- In force
- 38 min
- Issued by
- NWS Twin Cities, MN
- Area
- Whole counties
County Houston County, MN
The nearest sounding before it
Minneapolis, MN (KSTC), launched 12:00Z, 1.9 hours before the alert went out and 213 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
- 526 J/kg
- Mixed-layer CIN
- -196 J/kg
- Mixed-layer LCL
- 1006 m above ground
- 0-6 km bulk shear
- 45 kt
- 0-1 km storm-relative helicity
- 194 m²/s²
- 0-3 km storm-relative helicity
- 209 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 5.2
The text
As transmitted, in the capitals the NWS used until 2016.
000 TTAA00 KRST 191353 RRA SVRRST MNC055-191430- BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE ROCHESTER MN 852 AM CDT FRI AUG 19 1994 THE NATIONAL WEATHER SERVICE IN ROCHESTER MN HAS ISSUED A SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 920 AM CDT FOR PEOPLE IN THE FOLLOWING LOCATION... IN SOUTHEAST MINNESOTA ...EASTERN HOUSTON COUNTY AT 845 AM...RADAR INDICATED A SEVERE THUNDERSTORM ABOUNT 5 MILES SOUTHWEST OF HOUSTON...17 MILES WEST OF LA CROSSE. IT WAS MOVING TO THE SOUTHEAST AT 25 MILES AN HOUR. IN THE PATH OF THIS STORM IS BEAVER CREEK VALLEY STATE PARK...ALONG WITH THE CITIES OF HOKAH AND FREEBURG. 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. RLT
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 19, 4:37 AM CDT, 4 hours 15 minutes before
MNZ052-053-059>063-065>070-073-WIZ014>016-023-028-191040- SPECIAL WEATHER STATEMENT AND RADAR SUMMARY NATIONAL WEATHER SERVICE MINNEAPOLIS/ST PAUL MN 437 AM CDT FRI AUG 19 1994 ...STRONG THUNDERSTORM ENTERING TWIN CITIES METRO AREA... AT 435 AM...A STRONG THUNDERSTORM WAS LOCATED BETWEEN HUTCHINSON AND LE SUEUR...JUST WEST OF THE GREATER TWIN CITIES METRO AREA. THIS STORM IS MOVING TO THE EAST AT 25 MILES AN HOUR...AND SHOULD REACH DOWNTOWN MINNEAPOLIS BY ABOUT 600 AM. EARLY RUSH-HOUR MOTORISTS SHOULD USE CAUTION AS THIS STORM IS PRODUCING VERY HEAVY RAIN WHICH WILL RESTRICT VISIBILITY. OTHER SCATTERED THUNDERSHOWERS WERE LOCATED IN A 120 MILE WIDE BAND FROM NEAR WORTHINGTON MINNESOTA TO HAYWARD WISCONSIN. MOVEMENT WAS TO THE EAST AT 25 MILES AN HOUR. DLK
Special weather statement, Aug 19, 4:39 AM CDT, 4 hours 13 minutes before
MNZ052-053-059>063-065>070-073-WIZ014>016-023-028-191040- SPECIAL WEATHER STATEMENT AND RADAR SUMMARY NATIONAL WEATHER SERVICE MINNEAPOLIS/ST PAUL MN 437 AM CDT FRI AUG 19 1994 ...STRONG THUNDERSTORM ENTERING TWIN CITIES METRO AREA... AT 435 AM...A STRONG THUNDERSTORM WAS LOCATED BETWEEN HUTCHINSON AND LE SUEUR...JUST WEST OF THE GREATER TWIN CITIES METRO AREA. THIS STORM IS MOVING TO THE EAST AT 25 MILES AN HOUR...AND SHOULD REACH DOWNTOWN MINNEAPOLIS BY ABOUT 600 AM. EARLY RUSH-HOUR MOTORISTS SHOULD USE CAUTION AS THIS STORM IS PRODUCING VERY HEAVY RAIN WHICH WILL RESTRICT VISIBILITY. OTHER SCATTERED THUNDERSHOWERS WERE LOCATED IN A 120 MILE WIDE BAND FROM NEAR WORTHINGTON MINNESOTA TO HAYWARD WISCONSIN. MOVEMENT WAS TO THE EAST AT 25 MILES AN HOUR. DLK
Special weather statement, Aug 19, 5:37 AM CDT, 3 hours 15 minutes before
MNZ052-053-059>063-065>070-073-WIZ014>016-023-028-191140- SPECIAL WEATHER STATEMENT AND RADAR SUMMARY NATIONAL WEATHER SERVICE MINNEAPOLIS/ST PAUL MN 537 AM CDT FRI AUG 19 1994 ...STRONG THUNDERSTORM OVER SOUTHWEST TWIN CITIES METRO AREA... A STRONG THUNDERSTORM DEVELOPED RAPIDLY OVER SCOTT COUNTY IN THE SOUTHWEST SUBURBS OF THE GREATER TWIN CITIES METRO AREA AT 535 AM. THIS STORM MAY PRODUCE HAIL...STRONG GUSTY WINDS TO 40 OR 50 MPH...AND PEA TO MARBLE SIZE HAIL. IT WAS LOCATED ON THE SOUTHERN SCOTT COUNTY LINE...NEAR NEW PRAGUE. IT WAS MOVING TO THE SOUTHEAST AT 25 MILES AN HOUR INTO NORTHERN LE SUEUR AND RICE COUNTIES. PERSONS ENGAGED IN OUTDOOR ACTIVITIES IN THE NEW PRAGUE AREA SHOULD BE AWARE OF THE LIGHTNING DANGER AND BE READY TO SEEK SAFE SHELTER. DLK
Special weather statement, Aug 19, 5:38 AM CDT, 3 hours 14 minutes before
MNZ052-053-059>063-065>070-073-WIZ014>016-023-028-191140- SPECIAL WEATHER STATEMENT AND RADAR SUMMARY NATIONAL WEATHER SERVICE MINNEAPOLIS/ST PAUL MN 537 AM CDT FRI AUG 19 1994 ...STRONG THUNDERSTORM OVER SOUTHWEST TWIN CITIES METRO AREA... A STRONG THUNDERSTORM DEVELOPED RAPIDLY OVER SCOTT COUNTY IN THE SOUTHWEST SUBURBS OF THE GREATER TWIN CITIES METRO AREA AT 535 AM. THIS STORM MAY PRODUCE HAIL...STRONG GUSTY WINDS TO 40 OR 50 MPH...AND PEA TO MARBLE SIZE HAIL. IT WAS LOCATED ON THE SOUTHERN SCOTT COUNTY LINE...NEAR NEW PRAGUE. IT WAS MOVING TO THE SOUTHEAST AT 25 MILES AN HOUR INTO NORTHERN LE SUEUR AND RICE COUNTIES. PERSONS ENGAGED IN OUTDOOR ACTIVITIES IN THE NEW PRAGUE AREA SHOULD BE AWARE OF THE LIGHTNING DANGER AND BE READY TO SEEK SAFE SHELTER. DLK
The office that day
Everything else NWS Twin Cities, MN issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 19, 5:46 AM CDT | Severe Thunderstorm Warning | MPX | Le Sueur, Rice | 29 min |
| Aug 19, 6:13 AM CDT | Severe Thunderstorm Warning | MPX | Rice, Steele | 47 min |
| Aug 19, 6:59 AM CDT | Severe Thunderstorm Warning | MPX | Dodge | 31 min |
| Aug 19, 7:23 AM CDT | Severe Thunderstorm Warning | MPX | Olmsted | 37 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.