Alert archive / South Dakota / Flash Flood Warnings in 2005

Flash Flood Warning 15, NWS Aberdeen, SD

August 3, 2005Hand County, Hyde County, South Dakota

NWS Aberdeen, SD issued this flash flood warning at Aug 3, 2005, 7:05 PM CDT for Hand County, Hyde County, South Dakota. It was in force for 6 hr. 2 reports came from inside the area while it was in force.

The area

The outline as issued, with what was reported inside it.

The facts

Issued
Aug 3, 2005, 7:05 PM CDT (00:05 UTC)
Expired
Aug 4, 2005, 1:00 AM CDT
In force
6 hr
Issued by
NWS Aberdeen, SD
Area
Counties, with a storm outline in the text

Counties Hand County, SD, Hyde County, SD

The radar

The Aberdeen radar (KABR), 122 km from the middle of the area, began a volume at 00:06 UTC, the scan nearest the moment this went out.

Open the radar archive at this moment

The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.

What was reported inside it

TimeReportWhereRemark
Aug 3, 8:00 PM CDTFLASH FLOOD3 E Highmore, SDTOWNSHIP ROADS UNDER WATER.
Aug 3, 8:00 PM CDTFLASH FLOOD3 W Ree Heights, SDTOWNSHIP ROADS UNDER WATER. TRAIN TRACKS WASHED OUT.

Local storm reports filed while the alert was in force, from inside its polygon or its counties.

Did it verify

Verified. The Iowa Environmental Mesonet's Cow matched 2 storm reports to this flash flood warning; the first came 55 minutes after it went out.

Cow counts a report within 15 km of the polygon while the warning was in force: a tornado for a tornado warning; hail of 1 inch or more, a gust of 58 mph or more or wind damage for a severe thunderstorm warning; a flash flood report for a flash flood warning.

The nearest sounding before it

Aberdeen, SD (KABR), launched 00:00Z, 0.1 hours before the alert went out and 80 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 2005-08-04Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 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 2005-08-04The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 25 square meters per square second.19395878Sfc1 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
1422 m above ground
0-6 km bulk shear
41 kt
0-1 km storm-relative helicity
25 m²/s²
0-3 km storm-relative helicity
358 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.8

Open this sounding in Storm Lab

The text

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

000 
WGUS53 KABR 040007
FFWABR
SDC059-069-040600-

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE ABERDEEN SD
705 PM CDT WED AUG 3 2005

THE NATIONAL WEATHER SERVICE IN ABERDEEN HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  HAND COUNTY IN CENTRAL SOUTH DAKOTA.
  HYDE COUNTY IN CENTRAL SOUTH DAKOTA.

* UNTIL 100 AM CDT.

* AT 610 PM CDT(510 PM MDT)...THE PUBLIC REPORTED THUNDERSTORMS WITH
  VERY HEAVY RAINFALL ACROSS THE WARNED AREA. DOPPLER RADAR ESTIMATED
  3 TO 6 INCHES OF RAIN HAS FALLEN ACROSS WESTERN HAND AND EASTERN   
  HYDE COUNTIES.

* SLOW MOVING THUNDERSTORMS HAVE PRODUCED HEAVY RAINFALL IN THE
  WARNED AREA. RUNOFF FROM THIS EXCESSIVE RAINFALL WILL CAUSE        
  FLASH FLOODING TO OCCUR. SOME LOCATIONS THAT COULD EXPERIENCE      
  FLOODING INCLUDE...HIGHMORE...MILLER DALE COLONY AND REE HEIGHTS.


EXCESSIVE RUNOFF FROM HEAVY RAINFALL WILL CAUSE FLOODING OF SMALL
CREEKS AND STREAMS...COUNTRY ROADS...AS WELL AS FARMLAND ALONG THE
BANKS OF CREEKS AND STREAMS.

DO NOT DRIVE YOUR VEHICLE INTO AREAS WHERE THE WATER COVERS THE
ROADWAY. THE WATER DEPTH MAY BE TOO GREAT TO ALLOW YOUR CAR TO CROSS
SAFELY.

DO NOT UNDERESTIMATE THE POWER OF FLOOD WATERS. ONLY A FEW INCHES OF
RAPIDLY FLOWING WATER CAN QUICKLY CARRY AWAY YOUR VEHICLE.

TO REPORT FLOODING...HAVE THE NEAREST LAW ENFORCEMENT AGENCY RELAY
YOUR REPORT TO THE NATIONAL WEATHER SERVICE.

LAT...LON 4469 9905 4431 9906 4431 9959 4469 9959

$$

ALBRECHT

What forecasters said that day

The local office's own words before this flash flood warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

NWS Aberdeen, SD wrote its last area forecast discussion before this flash flood warning went out at Aug 3, 2:00 PM CDT, 5 hours 5 minutes earlier.

Area forecast discussion, Aug 3, 2:00 PM CDT, 5 hours 5 minutes before
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE ABERDEEN SD
2 PM CDT WED AUG 3 2005

.SHORT TERM...TONITE THROUGH SATURDAY NITE
MAIN CONCERNS IN THE SHORT RANGE CENTER AROUND THIS EVENING.  PER
LAPS DATA SURFACE FRONT HAS PUSHED ENTIRELY THROUGH CWA.  HOWEVER
POST FRONTAL MOISTURE AND DIABATIC HEATING ARE CONTRIBUTING TO THE
DEVELOPMENT OF MODERATE TO EXTREMELY UNSTABLE CONDITIONS OVER THE
LOWER MO AND JAMES VALLEY.  MEANWHILE DRY AIR IS PUSHING INTO THE
NORTHWEST CWA AND THIS SHOULD LIMIT PCPN OVER THIS AREA.  BOTH
NAM/GFS POINT TOWARD SOUTHEAST/SC SOUTH DAKOTA AS THE HOT SPOTS THIS
EVENING...AND THAT SEEMS ABOUT RIGHT BASED ON LAPS DATA.  ALSO LOOKS
LIKE RIGHT ENTRANCE REGION OF 3H JET WILL MOVE ACROSS EASTERN SOUTH
DAKOTA THIS EVENING HELPING TO ENHANCE ACTIVITY.  MOST OF THE PCPN
SHOULD BE OUT OF THE ABR CWA BY MIDNIGHT AS DRIER AIR ADVECTS INTO
THE REGION. REALLY NOT TOO MANY ISSUES FOR THE REST OF THE SHORT
RANGE.  ANOTHER WEAK FRONTAL BOUNDARY DROPS INTO THE NORTHERN CWA ON
SATURDAY...BUT FOR NOW WILL KEEP GRIDS DRY SINCE MID LEVEL THERMAL
RIDGE BEGINS REASSERTING ITSELF AND PROBABLY WILL CAP OFF MOST
ACTIVITY.  AS FOR TEMPS...LOOKS PLEASANT FOR NEXT COUPLE DAYS AS AIR
OF CANADIAN ORIGIN MAKES ITS WAY INTO THE FORECAST AREA.

.LONG TERM...SUNDAY THROUGH WEDNESDAY
EXTENDED TERM LOOKING SIMILAR TO THE PREVIOUS FORECAST FOR THE MOST
PART...WITH THE PERIOD BEGINNING WITH AN UPPER RIDGE IN CONTROL OF
THE WESTERN AND CENTRAL US. THIS ALLOWS FOR HOT AND DRY CONDITIONS
ACROSS THE STATE SUNDAY INTO MONDAY. LOOKS AS IF UPPER RIDGE
FLATTENS OUT AS A WEAK WAVE TRAVELS THROUGH SOUTHERN CANADA. THIS
WILL SWING A COLD FRONT THROUGH THE CWA TUESDAY INTO TUESDAY NIGHT.
LATEST GFS AND ECMWF IN SOMEWHAT AGREEMENT. SOME DISCONTINUITY FROM
RUN TO RUN IN THE GFS...WITH THE COLD FRONT PREVIOUSLY PROGGED TO
COME THROUGH MONDAY. OPTED TO REMOVE POPS FOR MONDAY WITH THE
SOLUTION LOOKING SLOWER...BUT WAS HESITANT TO PUT IN MENTION FOR
TUESDAY WITH THE NEW POSITION OF THE FRONT. WITH THE AMOUNT OF
UNCERTAINTY...DECIDED TO JUST LEAVE THE FORECAST DRY FOR NOW.
OTHERWISE LATEST GFS SOLUTION SHOWING WARMER CONDITIONS THROUGH THE
BEGINNING OF THE EXTENDED...SO UPPED TEMPS SUNDAY AND MONDAY ACROSS
MUCH OF THE CWA. H85 TEMPS RANGING IN THE MID 20S TO AROUND 30C
THROUGH EARLY NEXT WEEK. IF THIS PANS OUT THE CURRENT FORECAST OF
UPPER 80S TO MID 90S MAY BE STILL BE TOO COOL.

&&
.ABR WATCHES/WARNINGS/ADVISORIES...
SD...NONE.
MN...NONE.
&&

TDK/ALBRECHT
Hazardous weather outlook, Aug 3, 5:41 AM CDT, 13 hours 24 minutes before
HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE ABERDEEN SD
541 AM CDT WED AUG 3 2005

SDZ003>005-009-015-041039-
CAMPBELL-CORSON-DEWEY-MCPHERSON-WALWORTH-
541 AM CDT WED AUG 3 2005

THIS HAZARDOUS WEATHER OUTLOOK IS FOR NORTH CENTRAL SOUTH DAKOTA.

.DAY ONE...TODAY AND TONIGHT

SHOWERS AND THUNDERSTORMS ARE EXPECTED BY MID MORNING ACROSS THIS
AREA. SEVERE THUNDERSTORMS ARE NOT EXPECTED.

.DAYS TWO THROUGH SEVEN...THURSDAY THROUGH TUESDAY

NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION IS NOT ANTICIPATED TODAY OR TONIGHT.

MNZ039-046-SDZ006>008-010-011-016>023-033>037-045-048-051-041039-
BIG STONE-BROWN-BUFFALO-CLARK-CODINGTON-DAY-DEUEL-EDMUNDS-FAULK-
GRANT-HAMLIN-HAND-HUGHES-HYDE-JONES-LYMAN-MARSHALL-POTTER-ROBERTS-
SPINK-STANLEY-SULLY-TRAVERSE-
541 AM CDT WED AUG 3 2005

THIS HAZARDOUS WEATHER OUTLOOK IS FOR PARTS OF CENTRAL AND NORTHEAST
SOUTH DAKOTA...AS WELL AS BIG STONE AND TRAVERSE COUNTIES IN
MINNESOTA.

.DAY ONE...TODAY AND TONIGHT

SHOWERS AND THUNDERSTORMS ARE EXPECTED ACROSS THIS AREA FROM THIS
MORNING THROUGH EARLY THIS EVENING. SEVERE THUNDERSTORMS ARE POSSIBLE
THIS AFTERNOON...MAINLY ALONG AND SOUTH OF A LINE FROM WHEATON
MINNESOTA TO ABERDEEN SOUTH DAKOTA TO PIERRE SOUTH DAKOTA. THE
PRIMARY SEVERE WEATHER THREATS ARE LARGE HAIL AND DAMAGING WINDS.

.DAYS TWO THROUGH SEVEN...THURSDAY THROUGH TUESDAY

NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION MAY BE REQUIRED BY 3 PM CDT.

DORN

In the hours before

Local storm report, Aug 3, 1:58 PM CDT, 5 hours 7 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE ABERDEEN SD
158 PM CDT WED AUG 03 2005

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

1210 AM     HAIL             5 NE LEOLA              45.77N 98.86W
08/03/2005  1.00 INCH        MCPHERSON          SD   PUBLIC

0200 AM     HAIL             5 E BRISTOL             45.35N 97.65W
08/03/2005  0.75 INCH        DAY                SD   PUBLIC

0226 AM     TSTM WND GST     LANGFORD                45.60N 97.83W
08/03/2005  60 MPH           MARSHALL           SD   LAW ENFORCEMENT

            TREES DOWN ON POWER LINES - POWER OUT

0304 AM     TSTM WND GST     BROWNS VALLEY           45.59N 96.83W
08/03/2005  60 MPH           TRAVERSE           MN   PUBLIC

            TREES DOWN ON HWY 27

&&

GM
Special weather statement, Aug 3, 3:20 PM CDT, 3 hours 45 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE ABERDEEN SD
320 PM CDT WED AUG 3 2005

SDZ006>008-010-011-016>023-033>037-045-048-051-040130-
BROWN-MARSHALL-ROBERTS-EDMUNDS-DAY-POTTER-FAULK-SPINK-CLARK-
CODINGTON-GRANT-HAMLIN-DEUEL-STANLEY-SULLY-HUGHES-HYDE-HAND-JONES-
LYMAN-BUFFALO-
INCLUDING THE CITIES OF...ABERDEEN...BRITTON...SISSETON...
IPSWICH...WEBSTER...GETTYSBURG...FAULKTON...REDFIELD...CLARK...
WATERTOWN...MILBANK...CASTLEWOOD...CLEAR LAKE...FORT PIERRE...
ONIDA...PIERRE...HIGHMORE...MILLER...MURDO...PRESHO...
FORT THOMPSON
320 PM CDT WED AUG 3 2005 /220 PM MDT WED AUG 3 2005/

...SEVERE THUNDERSTORM WATCH 699 IN EFFECT THROUGH 10 PM CDT...

THE FOLLOWING COUNTIES ARE INCLUDED IN SEVERE THUNDERSTORM WATCH
699.
STANLEY...JONES...BUFFALO...LYMAN...HUGHES...SULLY...HYDE...HAND...POTTER...
FAULK...EDMUNDS...BROWN...SPINK...MARSHALL...CLARK...CODINGTON...DAY
...DEUEL...HAMLIN...GRANT AND ROBERTS.

SEVERE HAIL AND SEVERE WINDS WILL BE POSSIBLE ACROSS THESE
COUNTIES THROUGH 10 PM CDT.

TDK
Local storm report, Aug 3, 4:13 PM CDT, 2 hours 52 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE ABERDEEN SD
413 PM CDT WED AUG 03 2005

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

0405 PM     HAIL             10 N DRAPER             44.07N 100.54W
08/03/2005  1.00 INCH        JONES              SD   PUBLIC

&&

GM
Local storm report, Aug 3, 4:55 PM CDT, 2 hours 10 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE ABERDEEN SD
455 PM CDT WED AUG 03 2005

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

0435 PM     TSTM WND GST     24 SSW MILLER           44.20N 99.17W
08/03/2005  70 MPH           HAND               SD   PUBLIC

            8 INCH BRANCHES BROKEN OUT OF TREE

&&

GM
Local storm report, Aug 3, 5:19 PM CDT, 1 hour 46 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE ABERDEEN SD
519 PM CDT WED AUG 03 2005

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

0426 PM     HAIL             15 NW GANN VALLEY       44.19N 99.20W
08/03/2005  0.88 INCH        BUFFALO            SD   PUBLIC

&&

GM
Special weather statement, Aug 3, 6:50 PM CDT, 15 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE ABERDEEN SD
650 PM CDT WED AUG 3 2005

SDZ006-010-016-017-033>036-045-048-040046-
BROWN-EDMUNDS-FAULK-HUGHES-HYDE-JONES-LYMAN-POTTER-STANLEY-SULLY-
650 PM CDT WED AUG 3 2005

SEVERE THUNDERSTORM WATCH NUMBER 699 HAS BEEN CANCELLED FOR
BROWN...EDMUNDS...FAULK...HYDE...SULLY...HUGHES...STANLEY...JONES AND
LYMAN COUNTIES IN SOUTH DAKOTA.

THE THREAT OF SEVERE WEATHER HAS ENDED ACROSS THESE AREAS AND THUS
THE WATCH WILL BE CANCELLED FOR THESE COUNTIES.

ALBRECHT

Nearby

Flash Flood Warnings in South Dakota, 2005Every flash flood warning in 2005

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.