Alert archive / Minnesota / Severe Thunderstorm Warnings in 1994
Severe Thunderstorm Warning 19, NWS Sioux Falls, SD
NWS Sioux Falls, SD issued this severe thunderstorm warning at Jun 6, 1994, 3:33 PM CDT for Nobles County, Rock County, Minnesota. It was in force for 57 min.
The area
The counties it named.
The facts
- Issued
- Jun 6, 1994, 3:33 PM CDT (20:33 UTC)
- Expired
- Jun 6, 1994, 4:30 PM CDT
- In force
- 57 min
- Issued by
- NWS Sioux Falls, SD
- Area
- Whole counties
Counties Nobles County, MN, Rock County, MN
The nearest sounding before it
Minneapolis, MN (KSTC), launched 12:00Z, 8.6 hours before the alert went out and 232 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
- 9 J/kg
- Mixed-layer CIN
- -120 J/kg
- Mixed-layer LCL
- 1315 m above ground
- 0-6 km bulk shear
- 46 kt
- 0-1 km storm-relative helicity
- 118 m²/s²
- 0-3 km storm-relative helicity
- 144 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
000 WUUS1 KFSD 062235 SVRFSD MNC105-133-062130- BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE SIOUX FALLS SD 333 PM CDT MON JUN 6 1994 THE NATIONAL WEATHER SERVICE IN SIOUX FALLS HAS ISSUED A SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 430 PM CDT FOR PEOPLE IN THE FOLLOWING LOCATIONS... IN SOUTHWEST MINNESOTA ...WESTERN NOBLES COUNTY...EASTERN ROCK COUNTY AT 530 PM RADAR INDICATED A SEVERE THUNDERSTORM 10 MILES SOUTHEAST OF PIPESTONE NEAR TROSKY MINNESOTA. THE THUNDERSTORM WAS MOVING SOUTH AT 15 MPH. BY 630 PM THIS THUNDERSTORM SHOULD MOVE THROUGH AREAS AROUND HARDWICK... KENNETH...MAGNOLIA AND ADRIAN. IF YOU ARE IN THE PATH OF THIS STORM...YOU SHOULD GET TO A REINFORCED SHELTER. A SEVERE THUNDERSTORM PRODUCES WINDS IN EXCESS OF 60 MPH...HAIL 3/4 INCH OR LARGER...DEADLY LIGHTNING...AND HEAVY RAIN THAT CAN QUICKLY FLOOD A LOW LYING AREA. PEOPLE NEAR THE STORM SHOULD MOVE INSIDE A STRONG BUILDING AWAY FROM WINDOWS. DON'T USE TELEPHONES OR ELECTRICAL APPLIANCES UNTIL THE STORM HAS PASSED. MOTORISTS...DON'T DRIVE INTO FLOODED CROSSINGS. BLOOM : _"(* >BE^=f9~5RJ0*A&O*>,nT|Zp>`
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, Jun 6, 2:01 PM CDT, 1 hour 32 minutes before
SDZ056-062-MNZ097-098-061945- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE SIOUX FALLS SD 200 PM CDT MON JUN 6 1994 ...THUNDERSTORM DEVELOPING RAPIDLY OVER SOUTHEAST SOUTH DAKOTA AND SOUTHWEST MINNESOTA... A LINE OF THUNDERSTORMS HAVE DEVELOPED RAPIDLY OVER SOUTHEAST SOUTH DAKOTA AND SOUTHWEST MINNESOTA THIS AFTERNOON. THESE THUNDERSTORMS EXTEND FROM CENTRAL MOODY COUNTY SOUTH DAKOTA...NEAR FLANDREAU...SOUTHEAST INTO ROCK COUNTY MINNESOTA NEAR HARDWICK. LOCAL HEAVY RAIN AND SMALL HAIL IS LIKELY WITH THESE STORMS AS THEY MOVE TO THE EAST AT 15 TO 20 MPH ACROSS SOUTHEAST SOUTH DAKOTA AND SOUTHWEST MINNESOTA. PERSONS IN THE PATH OF THESE STORMS SHOULD BE PREPARED TO TAKE COVER AND MOVE TO A SAFE REINFORCED SHELTER IF NECESSARY. STAY OUT OF LOW LYING AREAS AS HEAVY RAIN MAY PRODUCE LOCAL AREAS OF FLOODING. > ADDITIONAL STATEMENTS ON THESE THUNDERSTORMS WILL BE ISSUED AS NEEDED. IN THE MEANTIME...THUNDERSTORMS ARE EXPECTED TO CONTINUE TO DEVELOP OVER MUCH OF SOUTH DAKOTA INTO THE EVENING SO PERSON SHOULD STAYED TUNED FOR THE LASTEST WEATHER INFORMATION. HARMON
Special weather statement, Jun 6, 2:20 PM CDT, 1 hour 13 minutes before
SDZ038-062025- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE HURON SD 220 PM CDT MON JUN 06 1994 A LINE OF THUNDERSTORMS HAD DEVELOPED RAPIDLY JUST WEST OF HURON AND WAS MOVING EAST AT 25 MILES AN HOUR. SMALL HAIL...BRIEF HEAVY RAINS AND DANGEROUS LIGHTNING CAN BE EXPECTED FROM THESE THUNDERSTORMS. IF THREATENING WEATHER APPROACHES...SEEK COVER. STOREY
Special weather statement, Jun 6, 2:21 PM CDT, 1 hour 12 minutes before
SDZ038-062025- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE HURON SD 220 PM CDT MON JUN 06 1994 A LINE OF THUNDERSTORMS HAD DEVELOPED RAPIDLY JUST WEST OF HURON AND WAS MOVING EAST AT 25 MILES AN FHOUR. SMALL HAIL...BRIEF HEAVY RAINS AND DANGEROUS LIGHTNING CAN BE EXPECTED FROM THESE THUNDERSTORMS. IF THREATENING WEATHER APPROACHES...SEEK COVER. STOREY
The office that day
Everything else NWS Sioux Falls, SD issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 6, 2:36 PM CDT | Severe Thunderstorm Warning | FSD | Pipestone, Rock | 39 min |
| Jun 6, 4:47 PM CDT | Severe Thunderstorm Warning | FSD | Lincoln, Lyon, Murray, Pipestone | 58 min |
| Jun 6, 5:25 PM CDT | Severe Thunderstorm Warning | FSD | Murray, Pipestone | 43 min |
| Jun 6, 5:33 PM CDT | Severe Thunderstorm Warning | FSD | Nobles, Rock | 57 min |
| Jun 6, 6:31 PM CDT | Severe Thunderstorm Warning | FSD | Nobles | 59 min |
| Jun 6, 6:54 PM CDT | Severe Thunderstorm Warning | FSD | Jackson | 21 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.