Alert archive / Iowa / Severe Thunderstorm Warnings in 1995
Severe Thunderstorm Warning 11, NWS Sioux Falls, SD
NWS Sioux Falls, SD issued this severe thunderstorm warning at Jun 7, 1995, 2:15 AM CDT for Osceola County, Iowa. It was in force for 60 min.
The area
The counties it named.
The facts
- Issued
- Jun 7, 1995, 2:15 AM CDT (07:15 UTC)
- Expired
- Jun 7, 1995, 3:15 AM CDT
- In force
- 60 min
- Issued by
- NWS Sioux Falls, SD
- Area
- Whole counties
County Osceola County, IA
The nearest sounding before it
Minneapolis, MN (KMPX), launched 00:00Z, 7.3 hours before the alert went out and 230 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
- 433 J/kg
- Mixed-layer CIN
- -69 J/kg
- Mixed-layer LCL
- 962 m above ground
- 0-6 km bulk shear
- 38 kt
- 0-1 km storm-relative helicity
- 102 m²/s²
- 0-3 km storm-relative helicity
- 82 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.4
The text
As transmitted, in the capitals the NWS used until 2016.
000 TTAA00 KFSD 070716 RRA SVRFSD IAC143-070815- BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE SIOUX FALLS SD 215 AM CDT WED JUN 7 1995 THE NATIONAL WEATHER SERVICE IN SIOUX FALLS HAS ISSUED A SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 315 AM CDT FOR PEOPLE IN THE FOLLOWING LOCATION... IN NORTHWEST IOWA ...OSCEOLA COUNTY AT 210 AM CDT RADAR INDICATED THE LEADING EDGE OF A LINE OF THUNDERSTORMS FROM 35 MILES EAST OF SIOUX FALLS NEAR LITTLE ROCK IOWA TO 40 MILES SOUTHEAST OF SIOUX FALLS NEAR MATLOCK IOWA. THE LINE WAS MOVING EAST AT 40 MPH. BEFORE 245 AM CDT THESE THUNDERSTORMS WILL AFFECT SIBLEY...CLOVERDALE ANASHTON IOWA. PEOPLE NEAR THE STORM SHOULD MOVE INSIDE A STRONG BUILDING AWAY FROM WINDOWS. DON'T USE TELEPHONES OR ELECTRICAL APPLIANCES UNTIL THE STORM HAS PASSED. MOTORISTS...DON'T DRIVE INTO FLOODED CROSSINGS. 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, Jun 6, 8:15 PM CDT, 6 hours before
SDZ045-048-080715- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE HURON SD 815 PM CDT TUE JUN 6 1995 TWO ISOLATED THUNDERSTORMS WITH VERY HEAVY RAIN...SMALL HAIL AND GUSTY WINDS WERE LOCATED ON THE WHITE RIVER/10 MILES SOUTHWEST OF MURDO AND 10 MILES SOUTHEAST OF DRAPER. THESE TWO STORMS HAVE INDICATED LITTLE OR NO MOVEMENT OVER THE PAST TWO HOURS. PERSONS ALONG THE WHITE RIVER IN SOUTHERN JONES AND SOUTHWEST LYMAN COUNTIES SHOULD BE ON THE ALERT FOR POSSIBLE FLASH FLOODING OF LOW LYING AREAS. PFEIFFER IF YOU LIVE IN AN AREA PRONE TO FLOODING...BY PREPARED TO MOVE TO HIGHER GROUND. PLEASE STAY INFORMED BY LISTENING TO THE LATEST STATEMENTS AND POSSIBLE WARNINGS ISSUED BY THE NATIONAL WEATHER SERVICE. ...SOLOMON ,2P - WUUS@ x?8 WUUS . `WWUS dWWUS > 9 WUUS $wA`WWUS8 +`WWUS $WWUSx 7`WWUS c WUUS 4 X WUUSF @0XWSUS = WUUS D0v6WWUS 2 WUUS (;}6WWUS& qWWUS$ 6WWUS 6 WUUS =WWCN 3U^WSUS 7q4WSUS> 0IFTCNTvvOFZAK~ WUUS| 586.86.0OF6WWUS2 2 KN7000^"Q`WWUS q6WWUS e6WWUSb [#FXUSnDFTXW h#FXUSzC( WUUS p6WWUS AH WUUS 0XWOUS sF6WWUS GWWUS YN6WWUSj 8n I`WWUS bZ`WWUS tqI`WWUS< LA`WWUSZ 4Z WUUS
Special weather statement, Jun 6, 8:25 PM CDT, 5 hours 50 minutes before
SDZ045-048-080715- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE HURON SD 815 PM CDT TUE JUN 6 1995 TWO ISOLATED THUNDERSTORMS WITH VERY HEAVY RAIN...SMALL HAIL AND GUSTY WINDS WERE LOCATED ON THE WHITE RIVER/10 MILES SOUTHWEST OF MURDO AND 10 MILES SOUTHEAST OF DRAPER. THESE TWO STORMS HAVE INDICATED LITTLE OR NO MOVEMENT OVER THE PAST TWO HOURS. PERSONS ALONG THE WHITE RIVER IN SOUTHERN JONES AND SOUTHWEST LYMAN COUNTIES SHOULD BE ON THE ALERT FOR POSSIBLE FLASH FLOODING OF LOW LYING AREAS. PFEIFFER IF YOU LIVE IN AN AREA PRONE TO FLOODING...BY PREPARED TO MOVE TO HIGHER GROUND. PLEASE STAY INFORMED BY LISTENING TO THE LATEST STATEMENTS AND POSSIBLE WARNINGS ISSUED BY THE NATIONAL WEATHER SERVICE. ...SOLOMON
Special weather statement, Jun 6, 8:28 PM CDT, 5 hours 47 minutes before
SDZ045-048-080715- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE HURON SD 815 PM CDT TUE JUN 6 1995 TWO ISOLATED THUNDERSTORMS WITH VERY HEAVY RAIN...SMALL HAIL AND GUSTY WINDS WERE LOCATED ON THE WHITE RIVER/10 MILES SOUTHWEST OF MURDO AND 10 MILES SOUTHEAST OF DRAPER. THESE TWO STORMS HAVE INDICATED LITTLE OR NO MOVEMENT OVER THE PAST TWO HOURS. PERSONS ALONG THE WHITE RIVER IN SOUTHERN JONES AND SOUTHWEST LYMAN COUNTIES SHOULD BE ON THE ALERT FOR POSSIBLE FLASH FLOODING OF LOW LYING AREAS. PFEIFFER
The office that day
Everything else NWS Sioux Falls, SD issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 7, 1:10 AM CDT | Severe Thunderstorm Warning | FSD | Lyon, Sioux | 35 min |
| Jun 7, 1:48 AM CDT | Severe Thunderstorm Warning | FSD | Lyon, Sioux | 42 min |
| Jun 7, 2:50 AM CDT | Severe Thunderstorm Warning | FSD | Dickinson | 40 min |
| Jun 7, 5:44 AM CDT | Severe Thunderstorm Warning | FSD | Woodbury | 31 min |
Nearby
Severe Thunderstorm Warnings in Iowa, 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.