Alert archive / South Dakota / Severe Thunderstorm Warnings in 1995
Severe Thunderstorm Warning 84, NWS Sioux Falls, SD
NWS Sioux Falls, SD issued this severe thunderstorm warning at Aug 5, 1995, 1:24 AM CDT for McCook County, South Dakota. It was in force for 36 min.
The area
The counties it named.
The facts
- Issued
- Aug 5, 1995, 1:24 AM CDT (06:24 UTC)
- Expired
- Aug 5, 1995, 2:00 AM CDT
- In force
- 36 min
- Issued by
- NWS Sioux Falls, SD
- Area
- Whole counties
County McCook County, SD
The nearest sounding before it
Aberdeen, SD (KABR), launched 00:00Z, 6.4 hours before the alert went out and 159 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 050627 COR SVRFSD SDC087-050700- BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE SIOUX FALLS SD 124 AM CDT SAT AUG 5 1995 THE NATIONAL WEATHER SERVICE IN SIOUX FALLS HAS ISSUED A SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 200 AM CDT FOR PEOPLE IN THE FOLLOWING LOCATION... IN SOUTHEAST SOUTH DAKOTA ...CENTRAL AND EASTERN MCCOOK COUNTY SOME CITIES AFFECTED BY THIS STORM WILL BE SALEM...CANISTOTA...AND MONTROSE. AT 125 AM CDT DOPPLER RADAR INDICATED A SEVERE STORM 25 MILES WEST OF SIOUX FALLS MOVING EAST AT 30 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. THIS IS A DANGEROUS STORM. IF YOR ARE IN ITS PATH...PREPARE IMMEDIATELY FOR WINDS IN EXCESS OF 55 MPH...DESTRUCTIVE HAIL...AND DEADLY LI~GHTNING. 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, Aug 4, 10:21 PM CDT, 3 hours 3 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, 3 hours 1 minute 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 4, 11:08 PM CDT | Severe Thunderstorm Warning | FSD | Hanson | 16 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.