Alert archive / Minnesota / Severe Thunderstorm Warnings in 1994
Severe Thunderstorm Warning 26, NWS Sioux Falls, SD
NWS Sioux Falls, SD issued this severe thunderstorm warning at Jun 6, 1994, 5:33 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, 5:33 PM CDT (22:33 UTC)
- Expired
- Jun 6, 1994, 6:30 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, 10.6 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
The text of this product is not in the archive. The NWS text archive before 2002 is incomplete.
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, 2:20 PM CDT, 3 hours 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, 3 hours 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
Special weather statement, Jun 6, 3:54 PM CDT, 1 hour 39 minutes before
IAZ013-020-021-031-032-043-SDZ071-062215- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE SIOUX CITY IA 354 PM CDT MON JUN 6 1994 ...A SEVERE THUNDERSTORM WATCH IS IN EFFECT FOR NORTHWEST IOWA AND SOUTHEAST SOUTH DAKOTA UNTIL 8 PM CDT... NO SEVERE WEATHER WAS OCCURRING IN THE AREA AT 350 PM. HOWEVER STRONG THUNDERSTORMS WILL MOVE NEAR HARTLEY IOWA...70 MILES NORTHEAST OF SIOUX CITY BETWEEN 430 AND 5 PM. THE STORMS MAY PRODUCE LARGE HAIL...STRONG WINDS AND LOCALLY HEAVY RAIN. HOPPES
Special weather statement, Jun 6, 3:55 PM CDT, 1 hour 38 minutes before
IAZ013-020-021-031-032-043-SDZ071-062215- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE SIOUX CITY IA 354 PM CDT MON JUN 6 1994 ...A SEVERE THUNDERSTORM WATCH IS IN EFFECT FOR NORTHWEST IOWA AND SOUTHEAST SOUTH DAKOTA UNTIL 8 PM CDT... NO SEVERE WEATHER WAS OCCURRING IN THE AREA AT 350 PM. HOWEVER STRONG THUNDERSTORMS WILL MOVE NEAR HARTLEY IOWA...70 MILES NORTHEAST OF SIOUX CITY BETWEEN 430 AND 5 PM. THE STORMS MAY PRODUCE LARGE HAIL...STRONG WINDS AND LOCALLY HEAVY RAIN. HOPPES
Special weather statement, Jun 6, 5:10 PM CDT, 23 minutes before
IAZ002-062230Z- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE SIOUX FALLS SD 510 PM CDT MON JUN 6 1994 ...SEVERE THUNDERSTORM WARNING OSCEOLA COUNTY UNTIL 530 PM CDT... ...SEVERE THUNDERSTORM WATCH EASTERN SOUTH DAKOTA...SOUTHWEST MINNESOTA AND NORTHWEST IOWA UNTIL 8 PM CDT... AT 455 PM CDT RADAR SHOWED A SEVERE THUNDERSTORM 25 MILES SOUTHEAST OF WORTHINGTON MINNESOTA NEAR MELVIN IOWA. THE THUNDERSTORM WAS MOVING SOUTHEAST AT 10 MPH. 55 MPH WINDS AND MARBLE TO GOLF BALL SIZE HAIL WERE REPORTED WITH THIS STORM WHEN IT WENT THROUGH SIBLEY IOWA ABOUT 4 PM. HAIL...STRONG WINDS...VERY HEAVY RAIN AND DANGEROUS CLOUD TO GROUND LIGHTNING CAN BE EXPECTED WITH THIS STORM. SOME LOCAL URBAN AND SMALL STREAM FLOODING MAY ALSO OCCUR. BY 530 PM THIS THUNDERSTORM SHOULD MOVE SOUTH OF OSCEOLA COUNTY. RESIDENTS IN THESE AREAS SHOULD BE PREPARED FOR THIS ADVERSE WEATHER. MOVE TO A SAFE REINFORCED SHELTER IF NECESSARY. STAY OUT OF LOW LYING AREAS. BLOOM
Special weather statement, Jun 6, 5:28 PM CDT, 5 minutes before
SDZALL-MNZ033-063-081-083-101-105-117-133-IAZ119-143-167-062300- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE SIOUX FALLS SD 520 PM CDT MON JUN 6 1994 ...SCATTERED THUNDERSTORMS...SOME SEVERE OVER THE TRI-STATE AREA... SCATTERED THUNDERSTORMS CONTINUED OVER THE TRI-STATE AREA OF SOUTHEAST SOUTH DAKOTA...SOUTHWEST MINNESOTA AND NORTHWEST IOWA. SOME OF THESE THUNDERSTORMS HAVE PRODUCED UP TO ONE INCH HAIL...VERY HEAVY AND WINDS OF 50 TO 55 MPH. AT 515 PM CDT THW STRONGEST THUNDERSTOMS FROM NEAR ELKTON SOUTH DAKOTA...15 MILES SOUTHEAST OF BROOKINGS TO JUST TO EAST OF PIPESTONE MINNESOTA TO 15 MILES SOUTHEAST OF SIBLEY IOWA. THE THUNDERSTORMS WERE MOVING TO THE SOUTHEAST AT 15 MPH. A SEVERE THUNDERSTORM WATCH IS IN EFFECT UNTIL 8 PM CDT AND PEOPLE THROUGH THE TRI-STATE AREA ARE ADVISED TO BE ALERT FOR SEVERE WEATHER AND TAKE SHELTER IF THREATNING WEATHER APPROACHES. WB
The office that day
Everything else NWS Sioux Falls, SD issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 6, 4:30 PM CDT | Severe Thunderstorm Warning | FSD | O'Brien | 45 min |
| Jun 6, 4:33 PM CDT | Severe Thunderstorm Warning | FSD | Osceola | 57 min |
| Jun 6, 5:14 PM CDT | Severe Thunderstorm Warning | FSD | O'Brien | 24 min |
| Jun 6, 2:11 PM CDT | Severe Thunderstorm Warning | FSD | Aurora | 34 min |
| Jun 6, 3:55 PM CDT | Severe Thunderstorm Warning | FSD | Brookings | 50 min |
| Jun 6, 2:36 PM CDT | Severe Thunderstorm Warning | FSD | Pipestone, Rock | 39 min |
| Jun 6, 3:33 PM CDT | Severe Thunderstorm Warning | FSD | Nobles, Rock | 57 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, 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.