Alert archive / South Dakota / Severe Thunderstorm Warnings in 1992
Severe Thunderstorm Warning 65, NWS Sioux Falls, SD
NWS Sioux Falls, SD issued this severe thunderstorm warning at Jul 7, 1992, 9:25 AM CDT for Davison County, South Dakota. It was in force for 35 min.
The area
The counties it named.
The facts
- Issued
- Jul 7, 1992, 9:25 AM CDT (14:25 UTC)
- Expired
- Jul 7, 1992, 10:00 AM CDT
- In force
- 35 min
- Issued by
- NWS Sioux Falls, SD
- Area
- Whole counties
County Davison County, SD
The nearest sounding before it
Aberdeen, SD (KHON), launched 12:00Z, 2.4 hours before the alert went out and 138 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
- 1317 m above ground
- 0-6 km bulk shear
- 60 kt
- 0-1 km storm-relative helicity
- -155 m²/s²
- 0-3 km storm-relative helicity
- -72 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- -0.3
The text
As transmitted, in the capitals the NWS used until 2016.
000 TTAA00 KFSD 071425 SVRFSD SDC035-071500- BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE SIOUX FALLS SD 925 AM CDT TUE JUL 7 1992 THE NATIONAL WEATHER SERVICE IN SIOUX FALLS HAS ISSUED A SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 1000 AM CDT FOR PEOPLE IN THE FOLLOWING COUNTIES... IN SOUTHEAST SOUTH DAKOTA ...NORTHERN DAVISON COUNTY SOME CITIES INCLUDED IN THIS WARNING ARE MITCHELL AND LOOMIS. AT 925 AM CDT RADAR INDICATED A SEVERE STORM 20 MILES NORTHWEST OF MITCHELL MOVING SOUTHEAST AT 50 MPH. 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. RYRHOLM
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 7, 7:05 AM CDT, 2 hours 20 minutes before
SDZ020-071400- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE SIOUX FALLS SD 705 AM CDT TUE JUL 7 1992 ...STRONG THUNDERSTORMS OVER SOUTHEAST SOUTH DAKOTA... AT 655 AM CDT RADAR INDICATED STRONG THUNDERSTORMS OVER SOUTHEAST SOUTH DAKOTA 30 MILES WEST OF SIOUX FALLS...ABOUT 10 MILES NORTHWEST OF MARION. THE THUNDERSTORMS WERE MOVING TO THE EASTSOUTHEAST AT 35 MPH. BRIEF HEAVY RAIN...STRONG WINDS...DANGEROUS LIGHTNING AND POSSIBLE SMALL HA2IL WITH BE STORMS. PEOPLE IN THE SOUTH DAKOTA TOWNS OF MARION...PARKER ...LENNOX..TEA...SIOUX FALLS AND CANTON SHOULD BE ALERT UNTIL AROUND 830 AM CDT. BEHREND
Special weather statement, Jul 7, 7:22 AM CDT, 2 hours 3 minutes before
SDZALL-071410- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE SIOUX FALLS SD 720 AM CDT TUE JUL 7 1992 ...SEVERE THUNDERSTORM WATCH FOR SECTIONS WESTERN AND CENTRAL SOUTH DAKOTA HAS BEEN CANCELLED... SEVERE THUNDERSTORM WATCH NUMBER 562 HAS BEEN CENTRAL FOR SECTIONS OF WESTERN AND CENTRAL SOUTH DAKOTA. THUNDERSTORMS HAVE BEEN DECREASING IN INTENSITY DURING THE PAST HOUR. HOWEVER BERIEF HEAVY RAIN...SMALL HAIL...DANGEROUS LIGHTNING AND GUSTY WINDS ARE STILL POSSIBLE WITH THUNDERSTORMS OVER WESTERN AND CENTRAL SOUTH DAKOTA UNTIL LATE THIS MORNING. BEHREND
Special weather statement, Jul 7, 7:32 AM CDT, 1 hour 53 minutes before
SDZ010-011-012-071400- SPECIAL WEATHER STATEMENT AND WEATHER UPDATE FOR CENTRAL AND EAST CENTRAL SOUTH DAKOTA NATIONAL WEATHER SERVICE HURON SD 725 AM CDT TUE JUL 7 1992 ...SEVERE THUNDERSTORM WATCH FOR CENTRAL SOUTH DAKOTA HAS BEEN CANCELLED... WHILE THE SEVERE THUNDERSTORM WATCH HAS BEEN CANCELLED GOLFBALL SIZE HAIL FELL IN CENTRAL STANLEY COUNTY EARLIER THIS MORNING AND PEA SIZE HAIL FELL AT 725 CDT IN FORT PIERRE. STANLEY AND HUGHES COUNTY SHOULD BE PREPARED FOR HEAVY RAINS AND SMALL HAIL. THUNDERSTORM ACTIVITY HAS DECREASED OVER EAST CENTRAL SOUTH DAKOTA AND SKIES SHOULD CLEAR SOMEWHAT BY NOON WITH NOON TIME TEMPERATURES IN THE 70S. STOREY
Local storm report, Jul 7, 8:14 AM CDT, 1 hour 11 minutes before
STORM REPORT
NATIONAL WEATHER SERVICE HURON SD
815 AM CDT TUE JUL 07 1992
STORM DATA FOR JUL 07 1992
TIME COUNTY...LOCATION CHARACTER OF STORM...DAMAGE
700 AM CDT STANLEY CO...7 E HAYES GOLFBALL SIZE HAIL...NWS
SPOTTER.
STOREYSpecial weather statement, Jul 7, 8:44 AM CDT, 41 minutes before
SDZ010-011-012-071530- SPECIAL WEATHER STATEMENT AND RADAR SUMMARY NATIONAL WEATHER SERVICE HURON SD 842 AM CDT TUE JUL 7 1992 ...VERY STRONG THUNDERSTORMS MOVING THRU BUFFALO AND JERALD COUNTIES... AT 827 AM CDT VERY STRONG THUNDERSTORMS WERE LOCATED 30 TO 40 MILES EAST THRU SOUTHEAST OF PIERRE...NEAR LOWER BRULE AND FT THOMPSON...MOVING TO THE SOUTHEAST AT 50 MILES AN HOUR. VERY STRONG WINDS...SMALL HAIL...AND DEADLY LIGHTENING CAN BE EXPECTED WITH THESE THUNDERSTORMS. OTHER SCATTERED THUNDERSTORMS AND RAINSHOWERS CONTINUED OVER A LARGE PORTION OF THE EASTERN HALF OF SOUTH DAKOTA...MOSTLY EAST OF PIERRE AND SOUTH OF ABERDEEN. MOVEMENT WAS TO THE SOUTHEAST AT 40 MILES AN HOUR. TINGLEY
Special weather statement, Jul 7, 9:08 AM CDT, 17 minutes before
SDZ017-071500- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE SIOUX FALLS SD 908 AM CDT TUE JUL 7 1992 ...STRONG THUNDERSTORM MOVING INTO AURORA COUNTY OF SOUTHEAST SOUTH DAKOTA... AT 9 AM CDT RADAR INDICATED A STRONG THUNDERSTORM 35 MILES NORTHWEST OF MITCHELL SOUTH DAKOTA IN EXTREME NORTHWEST AURORA COUNTY. THIS STORM WAS MOVING SOUTHEAST AT 45 MPH. THIS STORM IS CAPABLE OF PRODUCING SMALL HAIL...HEAVY RAINS AND WIND GUSTS TO 50 MPH. T*HE STORM WILL AFFECT AURORA COUNTY THROUGH 945 AM CDT. PERSONS IN AURORA COUNTY SHOULD KEEP ABREAST OF THIS STORM AND BE PREPARED TO SEEK SHELTER IF THREATENING WEATHER APPROACHES OR IF A WARNING IS ISSUED.
The office that day
Everything else NWS Sioux Falls, SD issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 7, 5:41 AM CDT | Severe Thunderstorm Warning | FSD | Hanson | 30 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.