Alert archive / South Dakota / Severe Thunderstorm Warnings in 1992
Severe Thunderstorm Warning 63, NWS Sioux Falls, SD
NWS Sioux Falls, SD issued this severe thunderstorm warning at Jul 4, 1992, 11:38 PM CDT for Tripp County, South Dakota. It was in force for 37 min.
The area
The counties it named.
The facts
- Issued
- Jul 4, 1992, 11:38 PM CDT (04:38 UTC)
- Expired
- Jul 5, 1992, 12:15 AM CDT
- In force
- 37 min
- Issued by
- NWS Sioux Falls, SD
- Area
- Whole counties
County Tripp County, SD
The nearest sounding before it
Aberdeen, SD (KHON), launched 00:00Z, 4.6 hours before the alert went out and 209 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
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 1614 m above ground
- 0-6 km bulk shear
- 54 kt
- 0-1 km storm-relative helicity
- 25 m²/s²
- 0-3 km storm-relative helicity
- 139 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 050439 SVRFSD SDC123-050515- BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE SIOUX FALLS SD 1138 PM CDT SAT JUL 4 1992 THE NATIONAL WEATHER SERVICE IN SIOUX FALLS HAS ISSUED A SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 1215 AM CDT FOR PEOPLE IN THE FOLLOWING COUNTIES... IN SOUTH CENTRAL SOUTH DAKOTA ...SOUTHERN TRIPP COUNTY AT 1030 PM MDT RADAR INDICATED A SEVERE THUNDERSTORM 25 MILES SOUTHWEST OF WINNER SOUTH DAKOTA MOVING EAST AT 25 MPH. THIS THUNDERSTORM WILL PASS NEAR CLEARFIELD SOUTH DAKOTA AROUND 11 PM MDT. 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. THIS IS A DANGEROUS STORM. IF YOR ARE IN ITS PATH...PREPARE IMMEDIATELY FOR WINDS IN EXCESS OF 55 MPH...DESTRUCTIVE HAIL...AND DEADLY LIGHTNING. BLOOM
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 4, 7:24 PM CDT, 4 hours 14 minutes before
IAZ013-020-021-NEZ094-SDZ066-050130- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE SIOUX CITY IA 724 PM CDT SAT JUL 4 1992 ...SCATTERED THUNDERSTORMS WERE ACROSS PARTS OF THE SIOUXLAND AREA THIS EVENING... SCATTERED THUNDERSTORMS WERE LOCATED NEAR CHEROKEE IOWA. OTHER SCATTERED THUNDERSTORMS WERE LOCATED ACROSS NORTHERN UNION COUNTY SOUTH DAKOTA AT 722 PM. MOVEMENT WAS EAST AT 40 MILES AN HOUR. THE THUNDERSTORMS WILL PRODUCE BRIEF HEAVY WRAIN AND GUSTY WINDS. THE SCATTERED THUNDERSTORMS WILL MOVE ACROSS THE SIOUXLAND AREA MAINLY NORTH OF HIGHWAY 20 THIS EVENING. HOPPES
Special weather statement, Jul 4, 8:18 PM CDT, 3 hours 20 minutes before
IAZ013-020-021-NEZ094-SDZ066-050230- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE SIOUX CITY IA 818 PM CDT SAT JUL 4 1992 ...SCATTERED THUNDERSTORMS WERE MOVING ACROSS PARTS OF THE SIOUXLAND AREA THIS EVENING... SCATTERED THUNDERSTORMS WERE LOCATED 10 MILES SOUTHEAST OF PRIMGHAR IOWA AND NORTH OF PAULINA IOWA...40 TO 50 MILES NORTHEAST OF SIOUX CITY. OTHER SCATTERED THUNDERSTORMS WERE LOCATED ACROSS UNION COUNTY SOUTH DAKOTA AT 816 PM. MOVEMENT WAS EAST AT 35 MILES AN HOUR. THE THUNDERSTORMS WILL PRODUCE BRIEF HEAVY RAIN AND GUSTY WINDS. THE SCATTERED THUNDERSTORMS WILL MOVE ACROSS THE SIOUXLAND AREA MAINLY NORTH OF HIGHWAY 20 THIS EVENING. SCATTERED THUNDERSTORMS WILL MOVE INTO LEMARS IOWA BY 845 PM. HOPPES
Special weather statement, Jul 4, 10:52 PM CDT, 46 minutes before
SDZ015-050430- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE SIOUX FALLS SD 1050 PM CDT SAT JUL 4 1992 ...THUNDERSTORMS OVER SOUTH CENTRAL SOUTH DAKOTA... AT 1050 PM CDT NATIONAL WEATHER SERVICE RADAR SHOWED THUNDERSTORMS WITH VERY HEAVY RAIN AND POSSBLY HAIL 5 TO 10 MILES NORTHEAST OF MISSION SOUTH DAKOTA NEAR THE MELLETTE/TODD COUNTY LINE...OR ABOUT 30 MILES WEST OF MISSION SOUTH DAKOTA. THESE THUNDERSTORMS WERE MOVING EAST SOUTHEAST AT 25 MPH. THESE THUNDERSTORMS WILL BE MOVING THROUGH NORTHEAST TODD COUNTY AND INTO WESTERN TRIP COUNTY TO A FEW MILES WEST OR SOUTHWEST OF WINNER BY 1030 PM CDT. OTHER THUNDERSTORMS MAY DEVELOP NEARBY AS WELL AS FURTHER WEST OF THESE STORMS. PERSONS THROUGHOUT MELLETTE...TODD... AND SOUTHWEST TRIPP COUNTIES INCLUDING THE CITIES OF WHITE RIVER AND MISSION SHOULD BE ALERT FOR POSSIBLE GUSTY WINDS AND HAIL WITH THESE STORMS. THE STORMS COULD ALSO COME CLOSE TO WINNER BY 1030 PM CDT. WILLIAMS
Special weather statement, Jul 4, 10:56 PM CDT, 42 minutes before
SDZ015-050430- SPECIAL WEATHER STATEMENT...CORRECTION FOR TIME IN SECOND PARAGRAPH. NATIONAL WEATHER SERVICE SIOUX FALLS SD 1055 PM CDT SAT JUL 4 1992 ...THUNDERSTORMS OVER SOUTH CENTRAL SOUTH DAKOTA... AT 1050 PM CDT NATIONAL WEATHER SERVICE RADAR SHOWED THUNDERSTORMS WITH VERY HEAVY RAIN AND POSSBLY HAIL 5 TO 10 MILES NORTHEAST OF MISSION SOUTH DAKOTA NEAR THE MELLETTE/TODD COUNTY LINE...OR ABOUT 30 MILES WEST OF MISSION SOUTH DAKOTA. THESE THUNDERSTORMS WERE MOVING EAST SOUTHEAST AT 25 MPH. THESE THUNDERSTORMS WILL BE MOVING THROUGH NORTHEAST TODD COUNTY AND INTO WESTERN TRIP COUNTY TO A FEW MILES WEST OR SOUTHWEST OF WINNER BY 1130 PM CDT. OTHER THUNDERSTORMS MAY DEVELOP NEARBY AS WELL AS FURTHER WEST OF THESE STORMS. PERSONS THROUGHOUT MELLETTE...TODD... AND SOUTHWEST TRIPP COUNTIES INCLUDING THE CITIES OF WHITE RIVER AND MISSION SHOULD BE ALERT FOR POSSIBLE GUSTY WINDS AND HAIL WITH THESE STORMS. THE STORMS COULD ALSO C?OME CLOSE TO WINNER BY 1130 PM CDT. WILLIAMS
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.