Alert archive / South Dakota / Flash Flood Warnings in 1995

Flash Flood Warning 2, NWS Aberdeen, SD

June 21, 1995Campbell County, Walworth County, South Dakota

NWS Aberdeen, SD issued this flash flood warning at Jun 21, 1995, 4:59 AM CDT for Campbell County, Walworth County, South Dakota. It was in force for 116 min.

The area

The counties it named.

The facts

Issued
Jun 21, 1995, 4:59 AM CDT (09:59 UTC)
Expired
Jun 21, 1995, 6:55 AM CDT
In force
116 min
Issued by
NWS Aberdeen, SD
Area
Whole counties

Counties Campbell County, SD, Walworth County, SD

The nearest sounding before it

Bismarck Municip, ND (KBIS), launched 00:00Z, 10.0 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.

Skew-T log-pSkew-T log-p diagram, Bismarck Municip, ND at 00:00Z on 1995-06-21Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 422 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, Bismarck Municip, ND at 00:00Z on 1995-06-21The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 151 square meters per square second.193958Sfc1 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
422 J/kg
Mixed-layer CIN
-283 J/kg
Mixed-layer LCL
1214 m above ground
0-6 km bulk shear
40 kt
0-1 km storm-relative helicity
151 m²/s²
0-3 km storm-relative helicity
231 m²/s²
Significant tornado parameter
0.0
Supercell composite
8.4

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KABR 211000
FFWABR
SDC021-129-211155-

BULLETIN - EBS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE ABERDEEN SD
459 AM CDT WED JUN 21 1995

THE NATIONAL WEATHER SERVICE IN ABERDEEN HAS ISSUED A
FLASH FLOOD WARNING EFFECTIVE UNTIL 655 AM CDT (555 AM MDT)
FOR PEOPLE IN THE FOLLOWING LOCATION...

IN NORTH CENTRAL SOUTH DAKOTA

   ...SOUTHEASTERN CAMPBELL COUNTY
   ...NORTHEASTERN WALWORTH COUNTY
 
...A SEVERE THUNDERSTOM WARNING REMAINS IN EFFECT UNTIL 505AM CDT
FOR CAMPBELL CCOUNTY...

AT 447AM CDT A SEVERE THUNDERSTORM CONTINUED 20 MILES EAST
NORTHEAST OF MOBRIDGE...OR 3 MILES SOUTHEAST OF MOUND CITY.

RADAR INDICATES THIS SEVERE THUNDERSTORM HAS PRODUCED UP TO 3 INCHES
OF RAINFALL SINCE 400AM CDT.  THIS HEAVY RAINFALL WILL LIKELY
PRODUCE FLASH FLOODING IN THE VICINITY OF LAKE HIDDENWOOD STATE PARK
AND OVER EXTREME SOUTHEAST CAMPBELL COUNTY THIS MORNING.

THIS SEVERE THUNDERSTORM HAS BECOME NEARLY STATIONARY OVER SOUTHEAST
CAMPBELL COUNTY.

DON'T DRIVE INTO AREAS WHERE WATER COVERS THE ROAD!

MOVE TO HIGH GROUND...WATER CAN RISE RAPIDLY!

GUERRERO/KEIRNS

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 21, 3:09 AM CDTSevere Thunderstorm WarningABRHughes51 min
Jun 21, 3:24 AM CDTSevere Thunderstorm WarningABRWalworth46 min
Jun 21, 4:18 AM CDTSevere Thunderstorm WarningABRHughes, Lyman42 min
Jun 21, 5:21 AM CDTFlash Flood WarningABRHughes69 min
Jun 21, 5:35 AM CDTFlash Flood WarningABRCampbell60 min
Jun 21, 5:35 AM CDTSevere Thunderstorm WarningABRCampbell60 min
Jun 21, 6:34 AM CDTSevere Thunderstorm WarningABRHughes, Stanley37 min
Jun 21, 6:36 AM CDTSevere Thunderstorm WarningABRCampbell, McPherson49 min
Jun 21, 6:36 AM CDTSevere Thunderstorm WarningABRWalworth32 min
Jun 21, 6:49 AM CDTSevere Thunderstorm WarningABRMcPherson38 min
Jun 21, 7:51 AM CDTSevere Thunderstorm WarningABRCorson59 min
Jun 21, 8:07 AM CDTSevere Thunderstorm WarningABRWalworth56 min
Jun 21, 8:07 AM CDTSevere Thunderstorm WarningABRCampbell83 min
Jun 21, 8:46 AM CDTSevere Thunderstorm WarningABRFaulk49 min
Jun 21, 11:17 AM CDTSevere Thunderstorm WarningABRMcPherson63 min
Jun 21, 3:32 PM CDTSevere Thunderstorm WarningABREdmunds, Potter, Walworth43 min
Jun 21, 4:45 PM CDTSevere Thunderstorm WarningABRHughes, Sully45 min
Jun 21, 4:52 PM CDTSevere Thunderstorm WarningABRStanley38 min
Jun 21, 5:13 PM CDTSevere Thunderstorm WarningABRJones47 min

Nearby

Flash Flood Warnings in South Dakota, 1995Every flash flood 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.