Alert archive / South Dakota / Severe Thunderstorm Warnings in 1990

Severe Thunderstorm Warning 65, NWS Sioux Falls, SD

June 19, 1990Lincoln County, Minnehaha County, Turner County, South Dakota

NWS Sioux Falls, SD issued this severe thunderstorm warning at Jun 19, 1990, 2:51 AM CDT for Lincoln County, Minnehaha County, Turner County, South Dakota. It was in force for 69 min.

The area

The counties it named.

The facts

Issued
Jun 19, 1990, 2:51 AM CDT (07:51 UTC)
Expired
Jun 19, 1990, 4:00 AM CDT
In force
69 min
Issued by
NWS Sioux Falls, SD
Area
Whole counties

Counties Lincoln County, SD, Minnehaha County, SD, Turner 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 00:00Z, 7.9 hours before the alert went out and 204 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.

Skew-T log-pSkew-T log-p diagram, Aberdeen, SD at 00:00Z on 1990-06-19Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 456 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Aberdeen, SD at 00:00Z on 1990-06-19The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 110 square meters per square second.1939587897Sfc1 km3 km6 km9 kmRMLM
The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.
Mixed-layer CAPE
456 J/kg
Mixed-layer CIN
-276 J/kg
Mixed-layer LCL
2222 m above ground
0-6 km bulk shear
53 kt
0-1 km storm-relative helicity
110 m²/s²
0-3 km storm-relative helicity
217 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.3

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

000 
TTAA00 KFSD 190753 RRA
SVRFSD
MNC081-117-SDC083-099-125-190900-
 
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE SIOUX FALLS SD
251 AM CDT TUE JUN 19 1990
 
THE NATIONAL WEATHER SERVICE IN SIOUX FALLS HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL  400 AM CDT
FOR PEOPLE IN THE FOLLOWING COUNTIES...
 
IN SOUTHWEST MINNESOTA
          ...SOUTHERN LINCOLN...PIPESTONE
IN SOUTHEAST SOUTH DAKOTA
          ...NORTHERN LINCOLN...MINNEHAHA...NORTHERN TURNER
 
SOME CITIES INCLUDED IN THIS WARNING ARE SIOUX FALLS...MARION AND TEA
SOUTH DAKOTA AS WELL AS LAKE BENTON AND PIPESTONE MINNESOTA.
 
AT 345 AM CDT RADAR INDICATED A LINE OF SEVERE THUNDERSTORMS FROM 15
MILES EAST OF BROOKINGS NEAR BUSHNELL SOUTH DAKOTA TO 20 MILES
WESTNORTHWEST OF SIOUX FALLS NEAR MONTROSE TO 35 MILES WESTSOUTHWEST OFSIOUX FALLS NEAR BRIDGEWATER SOUTH DAKOTA MOVING EAST AT 45 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.
 
THUNDERSTORMS CAN AND OCCASIONALLY DO PRODUCE A TORNADO WITH LITTLE
OR NO ADVANCE WARNING SO BE ON THE LOOKOUT.
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 19, 1:08 AM CDT, 1 hour 43 minutes before
SDZALL-190715-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE SIOUX FALLS SD
108 AM CDT TUE JUN 19 1990

SEVERE THUNDERSTORM WATCH NUMBER 494 FOR PARTS OF WESTERN SOUTH
DAKOTA HAS EXPIRED AND WILL NOT BE RENEWED.

SEVERE THUNDERSTORM WATCH NUMBER 496 FOR PARTS OF CENTRAL AND EASTERN
SOUTH DAKOTA AS WELL AS MUCH OF SOUTHEAST NORTH DAKOTA REMAINS IN
EFFECT UNTIL 4 AM CDT.

LARGE HAIL...DANGEROUS LIGHTNING AND DAMAGING THUNDERSTORM WINDS
ARE POSSIBLE IN THE WATCH AREA.

REMEMBER...A SEVERE THUNDERSTORM WATCH MEANS CONDITIONS ARE FAVORABLE
FOR SEVERE THUNDERSTORMS IN AND CLOSE TO THE WATCH AREA. PERSONS IN
THESE AREAS SHOULD BE ON THE LOOKOUT FOR THREATENING WEATHER CONDITIONS
AND LISTEAN FOR LATER STATEMENTS AND POSSIBLE WARNINGS.
THEOPHILUS
Special weather statement, Jun 19, 1:30 AM CDT, 1 hour 21 minutes before
SDZALL-190715-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE SIOUX FALLS SD
130 AM CDT TUE JUN 19 1990

...SEVERE THUNDERSTORMS POSSIBLE IN CENTRAL AND EASTERN SOUTH DAKOTA...

A SEVERE THUNDERSTORM WATCH WILL REMAIN IN EFFECT FOR PARTS OF CENTRAL
AND EASTERN SOUTH DAKOTA UNTIL 4 AM CDT.

AT 1 AM CDT THUNDERSTORMS WERE MOVING RAPIDLY EAST SOUTHEAST AT 50 TO
60 MPH FROM NORTH OF CHAMBERLAIN TO NORTH OF ABERDEEN. MOBRIDGE REPORTED
WIND GUSTS TO 71 MPH WHILE ABERDEEN REPORTED GUSTS TO 43 MPH. EXTREME
WESTERN SOUTH DAKOTA WAS PARTLY CLOUDY. TEMPERATURES RANGED FROM 77 AT
HURON TO 59 AT LEMMON.

THROUGH 3 AM CDT SCATTERED THUNDERSTORMS WILL CONTINUE TO MOVE INTO
EASTERN SOUTH DAKOTA WITH^ THE POSSIBILITY THAT SOME OF THEM WILL BECOME
SEVERE. STRONG GUSTY WINDS CAN ALSO BE EXPECTED BEHIND THESE STORMS.
TEMPERATURES WILL DROP INTO THE 50S AND 60S IN THE WEST AND REMAIN IN
THE 60S AND 70S IN THE EAST.
THEOPHILUS
Special weather statement, Jun 19, 1:41 AM CDT, 1 hour 10 minutes before
IAZ004-190730-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE SIOUX CITY IA
140 AM CDT TUE JUN 19 1990

...A FLASH FLOOD WATCH IS IN EFFECT FOR WESTERN IOWA AND EASTERN
   NEBRASKA TONIGHT...

AT 135 AM RADAR SHOWED AN AREA OF SHOWERS IN OBRIEN COUNTY NEAR
PAULLINA IOWA. THIS AREA WAS MOVING EAST AT 40 MPH. ALTHOUGH THERE
WERE NO OTHER SHOWERS OR STORMS IN THE AREA..OTHER THUNDERSTORMS AND
SHOWERS MAY DEVELOP AT ANY TIME THIS MORNING ACROSS SIOUXLAND.

TANNER
Special weather statement, Jun 19, 1:45 AM CDT, 1 hour 6 minutes before
SDZ018-190725-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE SIOUX FALLS SD
144 AM CDT TUE JUN 19 1990

...RAPIDLY MOVING THUNDERSTORMS MOVING INTO SOUTHEAST SOUTH DAKOTA...

AT 135 AM CDT THE SOUTHERN EDGE OF AN AREA OF INTENSE THUNDERSTORMS HAD
WAS CENTERED 30 MILES WESTNORTHWEST OF MITCHELL BETWEEN STORIA AND CROW
LAKE SOUTH DAKOTA. THE THUNDERSTORMS WERE MOVING EAST AT 40 MPH.

THESE THUNDERSTORMS WILL LIKELY PRODUCE DANGEROUS CLOUD TO GROUND
LIGHTNING...STRONG WINDS AND BRIEF PERIODS OF VERY HEAVY RAIN. HAIL IS
ALSO POSSIBLE. THE THUNDERSTORMS SHOULD MOVE THROUGH THE MITCHELL
AROUND 215 AM CDT.

PERSONS NEAR AND TO THE EAST OF THESE THUNDERSTORMS SHOULD BE PREPARED
FOR THIS ADVtERSE WEATHER. MOVE TO A SAFE PLACE IF NECESSARY.
BLOOM
Special weather statement, Jun 19, 1:46 AM CDT, 1 hour 5 minutes before
SDZ017-190725-

SPECIAL WEATHER STATEMENT...CORRECTED...
NATIONAL WEATHER SERVICE SIOUX FALLS SD
145 AM CDT TUE JUN 19 1990

...RAPIDLY MOVING THUNDERSTORMS MOVING INTO SOUTHEAST SOUTH DAKOTA...

AT 135 AM CDT THE SOUTHERN EDGE OF AN AREA OF INTENSE THUNDERSTORMS HAD
WAS CENTERED 30 MILES WESTNORTHWEST OF MITCHELL BETWEEN STORIA AND CROW
LAKE SOUTH DAKOTA. THE THUNDERSTORMS WERE MOVING EAST AT 40 MPH.

THESE THUNDERSTORMS WILL LIKELY PRODUCE DANGEROUS CLOUD TO GROUND
LIGHTNING...STRONG WINDS AND BRIEF PERIODS OF VERY HEAVY RAIN. HAIL IS
ALSO POSSIBLE. THE THUNDERSTORMS SHOULD MOVE THROUGH THE MITCHELL
AROUND 215 AM CDT.

PERSONS NEAR AND TO THE EAST OF THESE THUNDERSTORMS SHOULD BE PREPAREuD
FOR THIS ADVERSE WEATHER. MOVE TO A SAFE PLACE IF NECESSARY.

BLOOM
Special weather statement, Jun 19, 2:49 AM CDT, 2 minutes before
IAZ004-190830-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE SIOUX CITY IA
248 AM CDT TUE JUN 19 1990

...SEVERE THUNDERSTORM WATCH IS IN EFFECT FOR WESTERN IOWA...EASTERN
   NEBRASKA AND SOUTHEAST SOUTH DAKOTA UNTIL 8AM CDT...
...A FLASH FLOOD WATCH IS IN EFFECT FOR WESTERN IOWA AND EASTERN
   NEBRASKA TONIGHT...

AT 245 AM CDT RADAR SHOWED SCATTERED SHOWERS AND THUNDERSTORMS IN A
40 MILE WIDE BAND FROM BATTLE CREEK TO LAWTON IOWA. THE STORMS WERE
MOVING EAST AT 40 MPH.

THE RAIN WILL MOVE ACROSS MONONA...CHEROKEE...IDA AND EASTERN WOODBURY
COUNTIES. PEOPLE SHOULD STAY ALERT TO CHANGING WEATHER CONDITIONS AND
BE PREPARED TO MOVE TO A PLACE OF SAFETY IF THREATENING WEATHER
APPROACHEJS.

HOPPES

The office that day

Everything else NWS Sioux Falls, SD issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Jun 19, 2:06 AM CDTSevere Thunderstorm WarningFSDBrookings, Lake69 min
Jun 19, 2:27 AM CDTSevere Thunderstorm WarningFSDMellette, Tripp48 min
Jun 19, 2:31 AM CDTSevere Thunderstorm WarningFSDMoody46 min
Jun 19, 2:31 AM CDTSevere Thunderstorm WarningFSDHanson, McCook46 min
Jun 19, 3:44 AM CDTSevere Thunderstorm WarningFSDLincoln56 min
Jun 19, 3:58 AM CDTSevere Thunderstorm WarningFSDLincoln32 min

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.