Alert archive / South Dakota / Severe Thunderstorm Warnings in 1995
Severe Thunderstorm Warning 83, NWS Sioux Falls, SD
NWS Sioux Falls, SD issued this severe thunderstorm warning at Aug 4, 1995, 11:08 PM CDT for Hanson County, South Dakota. It was in force for 16 min.
The area
The counties it named.
The facts
- Issued
- Aug 4, 1995, 11:08 PM CDT (04:08 UTC)
- Expired
- Aug 4, 1995, 11:24 PM CDT
- In force
- 16 min
- Issued by
- NWS Sioux Falls, SD
- Area
- Whole counties
County Hanson County, SD
The nearest sounding before it
Aberdeen, SD (KABR), launched 00:00Z, 4.1 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
- 1364 J/kg
- Mixed-layer CIN
- -103 J/kg
- Mixed-layer LCL
- 1136 m above ground
- 0-6 km bulk shear
- 25 kt
- 0-1 km storm-relative helicity
- 45 m²/s²
- 0-3 km storm-relative helicity
- 131 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.8
The text
As transmitted, in the capitals the NWS used until 2016.
000 TTAA00 KFSD 050410 RRA SVRFSD SDC061-050440- BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE SIOUX FALLS SD 1108 PM CDT FRI AUG 4 1995 THE NATIONAL WEATHER SERVICE IN SIOUX FALLS HAS ISSUED A SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 1140 PM CDT (1040 PM MDT) FOR PEOPLE IN THE FOLLOWING LOCATION... IN SOUTHEAST SOUTH DAKOTA ...NORTHEASTERN HANSON COUNTY AT 1106 PM CDT...A SEVERE THUNDERSTORM WAS DETECTED BY SIOUX FALLS DOPPLER RADAR 20 MILES NORTHEAST OF MITCHELL NEAR EPIPHANY MOVING EAST AT 10 MPH. THIS STORM CAN BE EXPECTED IN THE VICINITY OF... EPIPHANY AROUND 1125 PM CDT IF YOU ARE CAUGHT OUTSIDE...SEEK SHELTER FROM THE WEATHER IN A STRONG...REINFORCED BUILDING. DAMAGING WIND...LARGE HAIL...VERY HEAVY RAIN AND DEADLY LIGHTNING ARE ALL POSSIBLE IN SEVERE THUNDERSTORMS. STAY INSIDE AWAY FROM WINDOWS UNTIL THE STORM HAS PASSED. UMLAND
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, Aug 4, 10:21 PM CDT, 47 minutes before
SDZ049-050355- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE SIOUX FALLS SD 1021 PM CDT FRI AUG 4 1995 ...SEVERE THUNDERSTORM WARNING FOR TRIPP COUNTY EXPIRED... THE SEVERE THUNDERSTORM WARNING FOR TRIPP COUNTY EXPIRED AT 1020 PM CDT AND WILL NOT BE RENEWED. THUNDERSTORMS CONTINUED IN THE AREA AND SOME WERE PRODUCING VERY HEAVY RAINFALL AND SMALL HAIL AS THEY MOVE NORTHEAST AT ONLY 10 MPH. DOPPLER RADAR WAS SHOWING A CONTINUED DECREASED IN INTENSITY AT 1020 PM CDT...BUT THE STORM COULD INCREASE IN STRENGTH AGAIN. UMLAND
Special weather statement, Aug 4, 10:23 PM CDT, 45 minutes before
SDZ049-050355- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE SIOUX FALLS SD 1021 PM CDT FRI AUG 4 1995 ...SEVERE THUNDERSTORM WARNING FOR TRIPP COUNTY EXPIRED... THE SEVERE THUNDERSTORM WARNING FOR TRIPP COUNTY EXPIRED AT 1020 PM CDT AND WILL NOT BE RENEWED. THUNDERSTORMS CONTINUED IN THE AREA AND SOME WERE PRODUCING VERY HEAVY RAINFALL AND SMALL HAIL AS THEY MOVE NORTHEAST AT ONLY 10 MPH. DOPPLER RADAR WAS SHOWING A CONTINUED DECREASED IN INTENSITY AT 1020 PM CDT...BUT THE STORM COULD INCREASE IN STRENGTH AGAIN. UMLAND
The office that day
Everything else NWS Sioux Falls, SD issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 4, 7:02 PM CDT | Severe Thunderstorm Warning | FSD | Gregory | 48 min |
| Aug 4, 8:47 PM CDT | Severe Thunderstorm Warning | FSD | Todd | 48 min |
| Aug 4, 9:31 PM CDT | Severe Thunderstorm Warning | FSD | Todd | 49 min |
| Aug 4, 9:35 PM CDT | Severe Thunderstorm Warning | FSD | Todd | 45 min |
| Aug 5, 1:24 AM CDT | Severe Thunderstorm Warning | FSD | McCook | 36 min |
Nearby
Severe Thunderstorm Warnings in South Dakota, 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.