Alert archive / Minnesota / Severe Thunderstorm Warnings in 1995
Severe Thunderstorm Warning 44, NWS Sioux Falls, SD
NWS Sioux Falls, SD issued this severe thunderstorm warning at Jul 21, 1995, 9:36 PM CDT for Jackson County, Minnesota. It was in force for 29 min.
The area
The counties it named.
The facts
- Issued
- Jul 21, 1995, 9:36 PM CDT (02:36 UTC)
- Expired
- Jul 21, 1995, 10:05 PM CDT
- In force
- 29 min
- Issued by
- NWS Sioux Falls, SD
- Area
- Whole counties
County Jackson County, MN
The radar
The Sioux Falls radar (KFSD), 127 km from the middle of the area, began a volume at 02:38 UTC, the scan nearest the moment this went out.
Open the radar archive at this moment
The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.
The nearest sounding before it
Minneapolis, MN (KMPX), launched 00:00Z, 2.6 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
- 1285 J/kg
- Mixed-layer CIN
- -7 J/kg
- Mixed-layer LCL
- 1034 m above ground
- 0-6 km bulk shear
- 29 kt
- 0-1 km storm-relative helicity
- 162 m²/s²
- 0-3 km storm-relative helicity
- 287 m²/s²
- Significant tornado parameter
- 1.2
- Supercell composite
- 9.1
The text
As transmitted, in the capitals the NWS used until 2016.
000 TTAA00 KFSD 220237 RRA SVRFSD MNC063-220305- BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE SIOUX FALLS SD 936 PM CDT FRI JUL 21 1995 THE NATIONAL WEATHER SERVICE IN SIOUX FALLS HAS ISSUED A SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 1005 PM CDT FOR PEOPLE IN THE FOLLOWING LOCATION... IN SOUTHWEST MINNESOTA ...JACKSON COUNTY AT 932 PM CDT...A SEVERE THUNDERSTORM WAS DETECTED BY NATIONAL WEATHER SERVICE DOPPLER RADAR 14 MILES EAST OF WORTHINGTON OR 3 MILES SOUTH OF OKABENA MOVING EAST AT 30 MPH. THIS STORM CAN BE EXPECTED IN THE VICINITY OF... LAKEFIELD BY 945 PM CDT MILOMA BY 945 PM CDT AT 930 PM...PUBLIC REPORTS WERE RECEIVED OF 1 INCH HAIL NEAR OKABENA. SEVERE THUNDERSTORMS PRODUCE DAMAGING WIND IN EXCESS OF 55 MPH... DESTRUCTIVE HAIL...DEADLY LIGHTNING...AND VERY HEAVY RAIN. FOR YOUR PROTECTION MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF YOUR HOME OR BUSI@NESS. REMEMBER...SEVERE THUNDERSTORM OFTEN PRODUCE TORNADOES WITH LITTLE OR NO ADVANCE WARNING. CHAPMAN &
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, Jul 21, 9:12 PM CDT, 24 minutes before
SDZ061-062-220245- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE SIOUX FALLS SD 912 PM CDT FRI JUL 21 1995 ...THE URBAN AND SMALL STREAM FLOOD ADVISORY IN EFFECT FOR EASTERN MCCOOK AND WESTERN MINNEHAHA COUNTIES HAS BEEN ALLOWED TO EXPIRE... THUNDERSTORM WHICH PRODUCED TORRENTIAL RAINS OVER PORTIONS OF EASTERN MCCOOK AND WESTERN MINNEHAHA COUNTIES HAVE ENDED AND THE THREAT OF ADDITIONAL LOWLAND FLOODING HAS ENDED AT THIS TIME. WATER WAS REPORTED OVER COUNTY ROAD 122 EARLIER THIS EVENING 4 1/2 MILES NORTH OF HUMBOLDT. THE CHANCE FOR REDEVELOPMENT OF THUNDERSTORMS WITH HEAVY RAINFALL WILL CONTINUE LATER TONIGHT. STAY TUNED TO NOAA WEATHER RADIO OR ANOTHER RELIABLE WEATHER NEWS SOURCE FOR THE LATEST WEATHER CONDITIONS IF HEAVY RAINFALL MOVES BACK INTO THESE AREAS LATER TONIGHT. CHAPMAN
Special weather statement, Jul 21, 9:13 PM CDT, 23 minutes before
SDZ061-062-220245- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE SIOUX FALLS SD 912 PM CDT FRI JUL 21 1995 ...THE URBAN AND SMALL STREAM FLOOD ADVISORY IN EFFECT FOR EASTERN MCCOOK AND WESTERN MINNEHAHA COUNTIES HAS BEEN ALLOWED TO EXPIRE... THUNDERSTORM WHICH PRODUCED TORRENTIAL RAINS OVER PORTIONS OF EASTERN MCCOOK AND WESTERN MINNEHAHA COUNTIES HAVE ENDED AND THE THREAT OF ADDITIONAL LOWLAND FLOODING HAS ENDED AT THIS TIME. WATER WAS REPORTED OVER COUNTY ROAD 122 EARLIER THIS EVENING 4 1/2 MILES NORTH OF HUMBOLDT. THE CHANCE FOR REDEVELOPMENT OF THUNDERSTORMS WITH HEAVY RAINFALL WILL CONTINUE LATER TONIGHT. STAY TUNED TO NOAA WEATHER RADIO OR ANOTHER RELIABLE WEATHER NEWS SOURCE FOR THE LATEST WEATHER CONDITIONS IF HEAVY RAINFALL MOVES BACK INTO THESE AREAS LATER TONIGHT. CHAPMAN
Special weather statement, Jul 21, 9:16 PM CDT, 20 minutes before
SDZ020>023-039-040-054>056-059>070-MNZ097-098-220500- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE SIOUX FALLS SD 915 PM CDT FRI JUL 22 1995 ...SEVERE THUNDERSTORM WATCH 821 IN MOST OF SOUTHEAST AND EASTCENTRAL SOUTH DAKOTA CANCELLED... THE SEVERE THUNDERSTORM WATCH THAT WAS IN EFFECT FOR SOUTHEAST AND EASTCENTRAL SOUTH DAKOTA HAS BEEN CANCELLED. THE ONLY EXCEPTION IS UNION COUNTY IN EXTREME SOUTHEAST SOUTH DAKOTA. ALSO PIPESTONE AND ROCK COUNTIES IN EXTREME SOUTHWEST MINNESOTA HAVE ALSO BEEN CANCELLED FROM THE WATCH. SCATTERED THUNDERSTORMS SHOULD STILL REDEVELOP IN THE AREA TONIGHT ...BUT ARE NOT EXPECTED TO BECOME SEVERE. RYRHOLM
Nearby
Severe Thunderstorm Warnings in Minnesota, 1995Every severe thunderstorm warning in 1995
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; radar from the NEXRAD Level II archive.