Alert archive / South Dakota / Severe Thunderstorm Warnings in 1994
Severe Thunderstorm Warning 70, NWS Sioux Falls, SD
NWS Sioux Falls, SD issued this severe thunderstorm warning at Jun 25, 1994, 5:47 PM CDT for Turner County, South Dakota. It was in force for 28 min.
The area
The counties it named.
The facts
- Issued
- Jun 25, 1994, 5:47 PM CDT (22:47 UTC)
- Expired
- Jun 25, 1994, 6:15 PM CDT
- In force
- 28 min
- Issued by
- NWS Sioux Falls, SD
- Area
- Whole counties
County Turner County, SD
The nearest sounding before it
Aberdeen, SD (KHON), launched 12:00Z, 10.8 hours before the alert went out and 203 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
- 448 J/kg
- Mixed-layer CIN
- -253 J/kg
- Mixed-layer LCL
- 1416 m above ground
- 0-6 km bulk shear
- 38 kt
- 0-1 km storm-relative helicity
- 27 m²/s²
- 0-3 km storm-relative helicity
- 27 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.2
The text
As transmitted, in the capitals the NWS used until 2016.
000 TTAA00 KFSD 252210 RRA SVRFSD SDC087-125-252315- BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE SIOUX FALLS SD 509 PM CDT SAT JUN 25 1994 THE NATIONAL WEATHER SERVICE IN SIOUX FALLS HAS ISSUED A SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 615 PM CDT FOR PEOPLE IN THE FOLLOWING LOCATIONS... IN SOUTHEAST SOUTH DAKOTA ...SOUTHERN MCCOOK COUNTY...NORTHERN TURNER COUNTY AT 509 PM CDT...WEATHER SERVICE RADAR INDICATED A SEVERE THUNDERSTORM 3 MILES NORTH OF BRIDGEWATER IN SOUTHWESTERN MCCOOK COUNTY. THIS STORM WAS MOVING TO THE SOUTHEAST AT 30 MPH. A TORNADO WATCH IS ALSO IN EFFECT FOR THE WARNED AREA. REMEMBER...SEVERE THUNDERSTORMS CAN AND OCCASIONALLY DO PRODUCE TORNADOES WITH LITTLE OR NO ADVANCE WARNING SO BE ON THE LOOKOUT. MG
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 25, 5:06 PM CDT, 41 minutes before
SDC009-061-067-087-125-135-252300- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE SIOUX FALLS SD 505 PM CDT SAT JUN 25 1994 ...TORNADO WATCH IN EFFECT UNTIL 1100 PM CDT FOR EXTREME SOUTHEASTERN SOUTH DAKOTA AND NORTHWESTERN IOWA... ...SEVERE THUNDERSTORM WATCH IN EFFECT UNTIL 1000 PM CDT FOR SOUTHWESTERN MINNESOTA... AT 505 PM CDT...NATIONAL WEATHER SEVICE RADAR INDICATED SCATTERED SHOWERS AND THUNDERSTORMS ACROSS SOUTHEASTERN SOUTH DAKOTA... NORTHWESTERN IOWA...AND SOUTHWESTERN MINNESOTA. THE STRONGER STORMS WERE LOCATED 5 MILES SOUTHEAST OF FARMER IN HANSON COUNTY AND NEAR SPENCER IN MCCOOK COUNTY. ANOTHER STRONG STORM WAS LOCATED 10 MILES NORTHWEST OF YANKTON IN YANKTON COUNTY. ALL OF THESE STORMS WERE MOVING TO THE SOUTHEAST AT 30 MPH. IF YOU ARE IN THE PATH OF THESE STRONGER STORMS...YOU CAN EXPECT BRIEF HEAVY RAINFALL...STRONG GUSTY WINDS...DANGEREOUS LIGHTNING...AND POSSIBLY SMALL HAIL. STAY ALERT TO RAPIDLY CHANGING WEATEHR CONDITIONS. STATY TUNED TO NOAA WEATHER RADIO OR YOUR LOCAL RADIO AND T.V. STATIONS FOR THE LATEST WEATHER INFORMATION. GILLISPIE
Special weather statement, Jun 25, 5:25 PM CDT, 22 minutes before
IAZ021-032-043-013-020-031-NEZ013>015-SDZ071-252315- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE SIOUX CITY IA 525 PM CDT SAT JUN 25 1994 ...A STRONG THUNDERSTORM WILL BE NORTHWEST OF SIOUX CITY... STRONG THUNDERSTORMS WERE DEVELOPING IN SOUTHEAST SOUTH DAKOTA THAT WILL MOVE INTO NORTHEAST NEBRASKA. MASKELL AND NEWCASTLE NEBRASKA...OR 30 MILES NORTHWEST OF SIOUX CITY WILL SEE THIS STRONG THUNDERSTORM BETWEEN 6 PM AND 630 PM. MOVEMENT OF THE STORMS WAS SOUTHEAST AT 30 MILES AN HOUR. PEOPLE IN THE PATH OF THIS STORM SHOULD BE ON THE LOOKOUT FOR HEAVY DOWNPOURS OF RAIN...PEA TO MARBLE SIZED HAIL...AND GUSTY WIND UP TO 55 MILES AN HOUR. A TORNADO WATCH REMAINS IN EFFECT UNTIL 11 PM CDT FOR THE ENTIRE SIOUX CITY AREA. MICHELS
Special weather statement, Jun 25, 5:25 PM CDT, 22 minutes before
IAZ021-032-043-013-020-031-NEZ013>015-SDZ071-252315- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE SIOUX CITY IA 525 PM CDT SAT JUN 25 1994 ...A STRONG THUNDERSTORM WILL BE NORTHWEST OF SIOUX CITY... STRONG THUNDERSTORMS WERE DEVELOPING IN SOUTHEAST SOUTH DAKOTA THAT WILL MOVE INTO NORTHEAST NEBRASKA. MASKELL AND NEWCASTLE NEBRASKA...OR 30 MILES NORTHWEST OF SIOUX CITY WILL SEE THIS STRONG THUNDERSTORM BETWEEN 6 PM AND 630 PM. MOVEMENT OF THE STORMS WAS SOUTHEAST AT 30 MILES AN HOUR. PEOPLE IN THE PATH OF THIS STORM SHOULD BE ON THE LOOKOUT FOR HEAVY DOWNPOURS OF RAIN...PEA TO MARBLE SIZED HAIL...AND GUSTY WIND UP TO 55 MILES AN HOUR. A TORNADO WATCH REMAINS IN EFFECT UNTIL 11 PM CDT FOR THE ENTIRE SIOUX CITY AREA. MICHELS
Nearby
Severe Thunderstorm Warnings in South Dakota, 1994Every severe thunderstorm warning in 1994
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.