Alert archive / South Dakota / Severe Thunderstorm Warnings in 1992
Severe Thunderstorm Warning 64, NWS Sioux Falls, SD
NWS Sioux Falls, SD issued this severe thunderstorm warning at Jul 7, 1992, 5:41 AM CDT for Hanson County, South Dakota. It was in force for 30 min.
The area
The counties it named.
The facts
- Issued
- Jul 7, 1992, 5:41 AM CDT (10:41 UTC)
- Expired
- Jul 7, 1992, 6:11 AM CDT
- In force
- 30 min
- Issued by
- NWS Sioux Falls, SD
- Area
- Whole counties
County Hanson County, SD
The nearest sounding before it
Aberdeen, SD (KHON), launched 00:00Z, 10.7 hours before the alert went out and 145 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
- 383 J/kg
- Mixed-layer CIN
- -435 J/kg
- Mixed-layer LCL
- 732 m above ground
- 0-6 km bulk shear
- 52 kt
- 0-1 km storm-relative helicity
- 125 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 TTAA00 KFSD 071042 SVRFSD SDC061-071115- BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE SIOUX FALLS SD 541 AM CDT TUE JUL 7 1992 THE NATIONAL WEATHER SERVICE IN SIOUX FALLS HAS ISSUED A SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 615 AM CDT FOR PEOPLE IN THE FOLLOWING COUNTIES... IN SOUTHEAST SOUTH DAKOTA ...NORTHERN AND CENTRAL HANSON COUNTY SOME CITIES INCLUDED IN THIS WARNING ARE FULTON AND ALEXANDRIA. AT 535 AM CDT RADAR INDCIATED A SEVERE THUNDERSTORM 10 MILES NORTHEAST OF MITCHELL SOUTH DAKOTA. THE SEVERE THUNDERSTORM WAS MOVING TO THE SOUTHEAST AT 35 MPH. THIS IS A DANGEROUS STORM. IF YOR ARE IN ITS PATH...PREPARE IMMEDIATELY FOR WINDS INI EXCESS OF 55 MPH...DESTRUCTIVE HAIL...AND DEADLY LIGHTNING. BEHREND
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 6, 11:42 PM CDT, 5 hours 59 minutes before
SDZ019-070545- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE SIOUX FALLS SD 1142 PM CDT MON JUL 6 1992 ...AN INTENSE THUNDERSTORM HAS RAPIDLY DEVELOPED IN SOUTHERN GREGORY COUNTY... AT 1130 PM CDT...RADAR INDICATED A THUNDERSTORM WITH VERY HEAVY RAIN AND POSSIBLE SMALL HAIL IN SOUTHCENTRAL GREGORY COUNTY...NEAR THE TOWN OF SAINT CHARLES. THE STORM HAD RAPIDLY DEVELOPED SINCE 11 PM. MOVEMENT OF THE STORM WAS EAST AT 40 MPH. AT THIS RATE...IT WILL AFFECT THE TOWN OF BONESTEEL BY 1155 PM AND SHOULD BE IN THE PICKSTOWN AREA BY 1230 AM. NO SEVERE WEATHER HAS BEEN REPORTED WITH THIS STORM. HOWEVER...PERSONS IN ITS PATH SHOULD BE ON THE LOOKOUT FOR VERY HEAVY RAIN...GUSTY WINDS...ANDM POSSIBLE SMALL HAIL. SEEK SAFE SHELTER IF NECESSARY. GEELHART
Special weather statement, Jul 7, 12:24 AM CDT, 5 hours 17 minutes before
SDZ016-019-070630- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE SIOUX FALLS SD 1224 AM CDT TUE JUL 7 1992 ...THUNDERSTORMS CONTINUE TO MOVE THROUGH SOUTH CENTRAL SOUTH DAKOTA... AT 1215 AM CDT...RADAR INDICATED THAT THE THUNDERSTORM IN SOUTHERN GREGORY COUNTY DISSIPATED AS QUICKLY AS IT FORMED. ONLY A FEW LIGHT SHOWERS WERE LEFT...BETWEEN BONESTEEL AND PICKSTOWN. OTHER THUNDERSTORMS WITH VERY HEAVY RAINS AND POSSIBLE SMALL HAIL WERE LOCATED FURTHER NORTH IN SOUTH CENTRAL SOUTH DAKOTA. THIS AREA WAS 25 MILES WIDE AND EXTENDED FROM CHAMBERLAIN TO BURKE. THESE STORMS WERE MOVING TO THE SOUTHEAST AT 40 MPH AND WILL SLIDE ACROSS SOUTHERN BRULE AND NORTHERN SECTIONS OF GREGORY AND CHARLES MIX COUNTIES DURING THE NEXT HOUR. A SLIGHT DECREASE IN INTENSITY WAS NOTED DURING THE PAST FEW MINUTES. PERSONS IN SOUTH CENTRAL SOUTH DAKOTA SHOULD BE ON THE LOOKOUT FOR ADVERSE WEATHER AND SEEK SAFE SHELTER IF NECESSARY. GEELHART
Special weather statement, Jul 7, 2:21 AM CDT, 3 hours 20 minutes before
SDZ010-070800- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE HURON SD 220 AM CDT TUE JUL 7 1992 AT 215 AM CDT...A VERY STRONG THUNDERSTORM WAS DEVELOPING OVER NORTHWEST SOUTH DAKOTA 80 MILES NORTHWEST OF PIERRE. THE STORM WAS MOVING SOUTHEAST AT 45 MILES AN HOUR AND WOULD MOVE INTO SOUTHWEST STANLEY COUNTY BY 3 AM CDT. VERY HEAVY RAIN...HAIL...AND STRONG WIND ARE LIKELY WITH THIS STORM. SPRINGER
Special weather statement, Jul 7, 4:27 AM CDT, 1 hour 14 minutes before
SDZALL-071600- SOUTH DAKOTA SEVERE WEATHER OUTLOOK NATIONAL WEATHER SERVICE SIOUX FALLS SD 430 AM CDT TUE JUL 7 1992 ...A SEVERE THUNDERSTORM WATCH IS IN EFFECT FOR WESTERN AND CENTRAL SOUTH UNTIL 8 AM CDT... THUNDERSTORMS WERE SCATTERED ACROSS CENTRAL AND WESTERN SOUTH DAKOTA EARLY THIS MORNING. AT 420 AM CDT THE STRONGEST STORMS WERE LOCATED BETWEEN HURON AND PIERRE. STORMS WERE MOVING EAST AT 40 MILES AN HOUR. THUNDERSTORMS WILL CONTINUE THROUGH THE MORNING ACROSS MUCH OF SOUTH DAKOTA. SOME OF THESE STORMS WILL BE SEVERE...ESPECIALLY ACROSS WESTERN AND CENTRAL SOUTH DAKOTA. THUNDERSTORMS WILL GRADUALLY END LATER THIS MORNING...BUT WILL REDEVELOP LATE THIS AFTERNOON. SOME STORMS A`GAIN COULD BE SEVERE ESPECIALLY ACROSS THE SOUTHEAST CORNER OF THE STATE. > PEOPLE ACROSS SOUTH DAKOTA SHOULD STAY INFORMED ABOUT THE WEATHER THROUGH THE DAY. MENTZER
The office that day
Everything else NWS Sioux Falls, SD issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 7, 9:25 AM CDT | Severe Thunderstorm Warning | FSD | Davison | 35 min |
Nearby
Severe Thunderstorm Warnings in South Dakota, 1992Every severe thunderstorm warning in 1992
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.