Alert archive / South Dakota / Severe Thunderstorm Warnings in 1990
Severe Thunderstorm Warning 126, NWS Sioux Falls, SD
NWS Sioux Falls, SD issued this severe thunderstorm warning at Aug 3, 1990, 6:27 PM CDT for Lake County, South Dakota. It was in force for 28 min.
The area
The counties it named.
The facts
- Issued
- Aug 3, 1990, 6:27 PM CDT (23:27 UTC)
- Expired
- Aug 3, 1990, 6:55 PM CDT
- In force
- 28 min
- Issued by
- NWS Sioux Falls, SD
- Area
- Whole counties
County Lake County, SD
The radar
The WSR-88D network and its archive begin in 1991, so there is no radar volume for this alert.
The nearest sounding before it
Aberdeen, SD (KHON), launched 12:00Z, 11.5 hours before the alert went out and 140 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
- 1116 J/kg
- Mixed-layer CIN
- -146 J/kg
- Mixed-layer LCL
- 1525 m above ground
- 0-6 km bulk shear
- 17 kt
- 0-1 km storm-relative helicity
- -22 m²/s²
- 0-3 km storm-relative helicity
- -16 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
000
TTAA00 KFSD 032329
SVRFSD
SDC079-040015-
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE SIOUX FALLS SD
627 PM CDT FRI AUG 3 1990
THE NATIONAL WEATHER SERVICE IN SIOUX FALLS HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 715 PM CDT
FOR PEOPLE IN THE FOLLOWING COUNTY...
IN EAST CENTRAL SOUTH DAKOTA
...SOUTHERN LAKE
SOME CITIES INCLUDED IN THIS WARNING ARE...MADISON AND CHESTER.
AT 524 PM CDT RADAR INDICATED A SEVERE THUNDERSTORM 35 MILES NORTHWEST
OF SIOUX FALLS OR JUST NORTH OF MADISON SOUTH DAKOTA. THIS STORM WAS
MOVING SOUTH SOUTHEAST AT 15 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.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 3, 3:07 PM CDT, 3 hours 20 minutes before
IAZ004-032115-
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE SIOUX CITY IA
306 PM CDT FRI AUG 3 1990
...THUNDERSTORMS DEVELOPING IN NORTHEAST NEBRASKA AND SOUTHEAST
SOUTH DAKOTA...
AT 305 PM CDT A THUNDERSTORM HAD DEVELOPED 25 MILES NORTHWEST OF SIOUX
CITY...NEAR NEWCASTLE NEBRASKA. MOVEMENT WAS EAST AT 15 MILES AN HOUR
AND SHOULD REACH PONCA AND WATERBURY AROUND 4 PM. SMALL HAIL AND HEAVY
RAIN ARE POSSIBLE WITH THIS STORM. THIS WAS PA`RT OF A LARGER AREA OF
SHOWERS AND THUNDERSTORMS SCATTERED ACROSS SOUTHEAST SOUTH DAKOTA AND
NORTHEAST NEBRASKA.
DROZDSpecial weather statement, Aug 3, 4:14 PM CDT, 2 hours 13 minutes before
IAZ004-032215- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE SIOUX CITY IA 410 PM CDT FRI AUG 3 1990 AT 405 PM CDT A LINE OF SHOWERS AND STRONG THUNDERSTORMS WAS LOCATED FROM 20 MILES SOUTHEAST OF SIOUX FALLS SOUTH DAKOTA TO NORFOLK NEBRASKA THIS LINE OF STORMS WAS MOVING SOUTHEAST AT 25 MPH. SOME LIGHT SHOWERS SHKULD MOVE INTO SIOUX CITY BY 5 PM WITH SOME HEAVIER RAIN MOVING INTO UNION COUNTY NEAR ALCESTER AND BERESFORD BY 530 PM. TANNER:
Special weather statement, Aug 3, 5:08 PM CDT, 1 hour 19 minutes before
SDZ018--MNZ017-032300- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE SIOUX FALLS SD 508 PM CDT FRI AUG 3 1990 ..THUNDERSTORMS NEAR BORDER OF SOUTHWEST MINNESOTA AND NORTHWEST IOWA.. AT 458 PM CDT RADAR SHOWED A THUNDERSTORM WITH VERY HEAVY RAIN 30 MILES EAST OF SIOUX FALLS BETWEEN LUVERNE AND KANARANZI MINNESOTA. THIS THUNDERSTORM WILL PRODUCE SMALL HAIL...DANGEROUS CLOUD TO GROUND LIGHTNING AND PERIODS OF VERY HEAVY RAIN REDUCING VISIBILITY. THE THUNDERSTORMS WILL MOVE EASTSOUTHEAST ABOUT 15 MPH NEAR TOWNS OF KANARANZI AND ELLSWORTH MINNESOTA BETWEEN 515 PM AND 600 PM CDT. RESIDENTS AND THOSE TRAVELING IN THE PATH OF THESE THUNDERSTORMS SHOULD BE PREPARED FOR THIS ADVERSE WEATHER. MOVE TO A SAFE PLACE IF NECESSARY. KEEP TUNED TO RADIO...TELEVISION OR NOAA WEATHER RADIO FOR LATER STATEMENTS OR WARNINGS. BLOOM
Special weather statement, Aug 3, 5:31 PM CDT, 56 minutes before
SDZ018--MNZ017-032300- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE SIOUX FALLS SD 531 PM CDT FRI AUG 3 1990 ...MORE THUNDERSTORMS NEAR BORDER OF SOUTHWEST MINNESOTA AND NORTHWEST IOWA... AT 525 PM CDT RADAR SHOWED THE THUNDERSTORM 30 MILES EAST OF SIOUX FALLS BETWEEN LUVERNE AND KANARANZI MINNESOTA HAD COLLAPSED AND ANOTHER THUNDERSTORM HAD DEVELOPED TO ITS SOUTHWEST NEAR BRUCE MINNESOTA. THIS THUNDERSTORM WILL PRODUCE SMALL HAIL...DANGEROUS CLOUD TO GROUND LIGHTNING AND PERIODS OF VERY HEAVY RAIN REDUCING VISIBILITY. THE THUNDERSTORMS WILL CONTINUE TO BUILD SOUTHWEST IN AREAS AROUND LESTER AND GRANITE IOWA BY 6 PM. RESIDENTS AND THOSE TRAVELING IN THE PATH OF THESE THUNDERSTORMS SHOULD BE PREPARED FOR THIS ADVERSE WEATHER. MOVE TO A SAFE PLACE IF NECESSARY. KEEP TUNED TO RADIO...TELEVISION OR NOAA WEATHER RADIO FOR LATER STATEMENTS OR WARNINGS. BLOOM
Special weather statement, Aug 3, 6:00 PM CDT, 27 minutes before
SDZ012-MNZ017-040000- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE SIOUX FALLS SD 559 PM CDT FRI AUG 3 1990 ...THUNDERSTORMS WITH HEAVY RAIN AND SMALL HAILL MOVING INTO NORTHEAST BROOKINGS COUNTY OF SOUTH DAKOTA... AT 555 PM CDT RADAR INDICATED A THUNDERSTORM WITH HEAVY RAIN AND SMALL HAIL 15 MILES NORTHEAST OF BROOKINGS SOUTH DAKOTA IN EXTREME NORTHEAST BROOKINGS COUNTY. THIS THUNDERSTORM WAS MOVING SOUTH SOUTHEAST AT 15 MPH AND WILL AFFECT EXTREME EASTERN BROOKINGS COUNTY OF SOUTH DAKOTA AND EXTREME WESTERN LINCOLN COUNTY OF SOUTHWEST MINNESOTA THROUGH 7 PM.
Special weather statement, Aug 3, 6:09 PM CDT, 18 minutes before
IAZ004-030015- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE SIOUX CITY IA 610 PM CDT FRI AUG 3 1990 AT 6 PM CDT A LARGE AREA OF MOSTLY SHOWERS MOVING INTO SIOUXLAND. THE STRONGEST STORM WAS LOCATED IN EXTREME NORTHWEST IOWA NEAR ROCK VALLEY ...50 MILES NORTH OF SIOUX CITY. THIS STORM WAS MOVING SOUTHEAST AT 10 MPH. HEAVY RAIN AND SOME SMALL HAIL MAY BE EXPECTED WITH THIS STORM AS IT MOVES INTO ORANGE CITY AND SIOUX CENTER AREAS AROUND 8 PM. TANNER
Nearby
Severe Thunderstorm Warnings in South Dakota, 1990Every severe thunderstorm warning in 1990
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.