Alert archive / South Dakota / Severe Thunderstorm Warnings in 1994
Severe Thunderstorm Warning 49, NWS Aberdeen, SD
NWS Aberdeen, SD issued this severe thunderstorm warning at Jul 6, 1994, 4:32 PM MDT for Dewey County, South Dakota. It was in force for 58 min.
The area
The counties it named.
The facts
- Issued
- Jul 6, 1994, 4:32 PM MDT (22:32 UTC)
- Expired
- Jul 6, 1994, 5:30 PM MDT
- In force
- 58 min
- Issued by
- NWS Aberdeen, SD
- Area
- Whole counties
County Dewey County, SD
The nearest sounding before it
Bismarck Municip, ND (KBIS), launched 12:00Z, 10.5 hours before the alert went out and 180 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
- 1290 m above ground
- 0-6 km bulk shear
- 34 kt
- 0-1 km storm-relative helicity
- -8 m²/s²
- 0-3 km storm-relative helicity
- 9 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
000 WUUS1 KABR 062234 RRA SVRABR SDC041-062330- BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE ABERDEEN SD 532 PM CDT (432 PM MDT) WED JUL 6 1994 THE NATIONAL WEATHER SERVICE IN ABERDEEN HAS ISSUED A SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 630 PM CDT (530 PM MDT) FOR PEOPLE IN THE FOLLOWING COUNTIES....... IN NORTH CENTRAL SOUTH DAKOTA ...CENTRAL AND NORTHERN DEWEY COUNTY AT 430 PM MDT...WEATHER SERVICE RADAR INDICATED A SEVERE THUNDERSTORM OVER NORTHWEST DEWEY COUNTY 5 MILES WEST OF TIMBER LAKE OR ABOUT 30 MILES NORTHEAST OF DUPREE. THE THUNDERSTORM IS MOVING TO THE EAST AT ABOUT 25 MPH AND WILL AFFECT THE COMMUNITIES OF TIMBER LAKE AND WHITEHORSE BY 450 PM. THIS WARNING INCLUDES THE ADJACENT WATERS OF THE MISSOURI RIVER. IF YOU ARE IN THE PATH OF THIS STORM..YOU SHOULD GET TO A REINFORCED SHELTER. A SEVERE THUNDERSTORM PRODUCES DAMAGING 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. REITER
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 6, 3:27 PM MDT, 1 hour 5 minutes before
SDZ003-004-009-015-016-062230- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE ABERDEEN SD 425 PM CDT (325 PM MDT) WED JUL 6 1994 ...STRONG THUNDERSTORM MOVING TOWARDS CORSON AND DEWEY COUNTIES... ...AT 325 MDT...WEATHER SERVICE RADAR INDICATED A VERY STRONG THUNDERSTORM IN NORTHERN ZEIBACH COUNTY 5 MILES WEST OF DUPREE. THE STORM WAS MOVING NORTHEAST AT 25 MPH AND WILL AFFECT THE NORTHWEST PORTION OF DEWEY COUNTY INCLUDING ISABEL WHICH IS 25 MILES NORTHEAST OF DUPREE BY 400 PM MDT. THIS THUNDERSTORM HAS ALREADY PRODUCED 1/2 TO 3/4 INCH HAIL ALONG WITH WINDS OF 60 MPH...BUT THE STORM WAS SHOWING SOME SIGNS OF WEAKENING. IF YOU ARE IN THE PATH OF THIS STORM...MOVE TO A STURDY BUILDING AND STAY AWAY FROM WINDOWS. AVOID USING ELECTRICAL APPLIANCES OR THE TELEPHONE UNLESS YOU HAVE AN EMERGENCY. REITER
Special weather statement, Jul 6, 3:27 PM MDT, 1 hour 5 minutes before
SDZ003-004-009-015-016-062230- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE ABERDEEN SD 425 PM CDT (325 PM MDT) WED JUL 6 1994 ...STRONG THUNDERSTORM MOVING TOWARDS CORSON AND DEWEY COUNTIES... ...AT 325 MDT...WEATHER SERVICE RADAR INDICATED A VERY STRONG THUNDERSTORM IN NORTHERN ZEIBACH COUNTY 5 MILES WEST OF DUPREE. THE STORM WAS MOVING NORTHEAST AT 25 MPH AND WILL AFFECT THE NORTHWEST PORTION OF DEWEY COUNTY INCLUDING ISABEL WHICH IS 25 MILES NORTHEAST OF DUPREE BY 400 PM MDT. THIS THUNDERSTORM HAS ALREADY PRODUCED 1/2 TO 3/4 INCH HAIL ALONG WITH WINDS OF 60 MPH...BUT THE STORM WAS SHOWING SOME SIGNS OF WEAKENING. IF YOU ARE IN THE PATH OF THIS STORM...MOVE TO A STURDY BUILDING AND STAY AWAY FROM WINDOWS. AVOID USING ELECTRICAL APPLIANCES OR THE TELEPHONE UNLESS YOU HAVE AN EMERGENCY. REITER
The office that day
Everything else NWS Aberdeen, SD issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 6, 4:45 PM MDT | Tornado Warning | ABR | Dewey | 30 min |
| Jul 6, 5:34 PM MDT | Severe Thunderstorm Warning | ABR | Dewey, Walworth | 56 min |
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.