Severe Thunderstorm Warning 211, NWS Aberdeen, SD

240 
WWUS53 KABR 281121
SVSABR

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE ABERDEEN SD
621 AM CDT SUN AUG 28 2011

SDC045-119-281131-
/O.CAN.KABR.SV.W.0211.000000T0000Z-110828T1145Z/
SULLY SD-EDMUNDS SD-
621 AM CDT SUN AUG 28 2011

...THE SEVERE THUNDERSTORM WARNING FOR SOUTH CENTRAL EDMUNDS AND
EXTREME NORTHEASTERN SULLY COUNTIES IS CANCELLED...

THE STORM WHICH PROMPTED THE WARNING HAS WEAKENED OR MOVED OUT OF THE
WARNED AREA.

LAT...LON 4483 9954 4512 9969 4523 9937 4517 9846
      4459 9876
TIME...MOT...LOC 1121Z 304DEG 28KT 4499 9863

$$

SDC049-059-069-107-115-281145-
/O.CON.KABR.SV.W.0211.000000T0000Z-110828T1145Z/
SPINK SD-POTTER SD-HYDE SD-HAND SD-FAULK SD-
621 AM CDT SUN AUG 28 2011

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT FOR FAULK...
NORTHERN HAND...NORTHEASTERN HYDE...SOUTHEASTERN POTTER AND WEST
CENTRAL SPINK COUNTIES UNTIL 645 AM CDT...

AT 616 AM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
SEVERE THUNDERSTORM CAPABLE OF PRODUCING QUARTER SIZE HAIL...AND
DAMAGING WINDS IN EXCESS OF 60 MPH.  THIS STORM WAS LOCATED NEAR
ATHOL...OR 12 MILES NORTHWEST OF REDFIELD...MOVING SOUTHEAST AT 30 
MPH. ANOTHER SEVERE STORM NEAR SENECA WAS ALSO MOVING SOUTHEAST AT 
30 MPH.

THE SEVERE THUNDERSTORM WILL BE NEAR...
  BURDETTE AROUND 630 AM CDT...

PRECAUTIONARY/PREPAREDNESS ACTIONS...

SEVERE THUNDERSTORMS PRODUCE DAMAGING WIND IN EXCESS OF 60 MILES PER
HOUR...DESTRUCTIVE HAIL...DEADLY LIGHTNING...AND VERY HEAVY RAIN. FOR
YOUR PROTECTION MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF YOUR
HOME OR BUSINESS. HEAVY RAINS FLOOD ROADS QUICKLY SO DO NOT DRIVE
INTO AREAS WHERE WATER COVERS THE ROAD.

&&

LAT...LON 4483 9954 4512 9969 4523 9937 4517 9846
      4459 9876
TIME...MOT...LOC 1121Z 304DEG 28KT 4499 9863
WIND...HAIL 60MPH 1.00IN

$$
TMT

AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE ABERDEEN SD
418 AM CDT SUN AUG 28 2011

.SHORT TERM...TODAY THROUGH TUESDAY
ELEVATED MCS CONTINUES TO SLIDE SOUTHEAST ACROSS SOUTH CENTRAL ND
AND NOW ENTERING FAR NORTHERN SD. LOW LEVEL WAA AND ISENTROPIC
FORCING ACROSS THE AREA THIS MORNING ALONG WITH STEEP MID LEVEL
LAPSE RATES. MUCAPE VALUES ALSO ON THE ORDER OF 1000 TO 2000 J/KG.
SHEAR DECENT AS WELL SO CANNOT RULE OUT A COUPLE SEVERE STORMS
WITH PRIMARILY LARGE HAIL. HAVE INCREASED POPS TO LIKELY ACROSS
THE NORTHERN AND NORTHEAST CWA THROUGH THE MORNING HOURS. BY THE
AFTERNOON IT APPEARS THIS COMPLEX WILL HAVE SLID SOUTHEAST OF THE
AREA LEAVING BEHIND MOSTLY SUNNY SKIES. SFC HIGH BUILDS IN
OVERNIGHT WITH LIGHT WINDS AND FAIR SKIES. ADDED PATCHY FOG ACROSS
THE EASTERN CWA AS GUIDANCE HINTING AT FOG IN ABR AND ATY.
SOUNDINGS SOMEWHAT FAVORABLE AS WELL WITH DECENT INVERSION SETTING
UP. UPPER LEVEL ENERGY CONTINUES TO MOVE ACROSS THE NORTHERN
PLAINS MONDAY AFTERNOON THROUGH TUESDAY SO WILL CONTINUE THE
CHANCE OF SHOWERS AND STORMS. A BIT OF A LOW LEVEL JET SETS UP
MONDAY NIGHT BUT WEAKENS BY 12Z TUESDAY.

.LONG TERM...TUESDAY NIGHT THROUGH FRIDAY
A SHORTWAVE ALOFT AND SOME LEE SIDE TROFING AT THE SFC WILL KEEP
TSTORM CHANCES AROUND TUESDAY NIGHT AND INTO EARLY WEDNESDAY
MORNING. ANOTHER SHORTWAVE WILL MOVE THROUGH THE REGION ON
WEDNESDAY BUT SHOULD REMAIN A LITTLE FARTHER NORTH SO KEPT PRECIP
CHANCES JUST IN THE NORTHERN COUNTIES. A COLD FRONT WILL MOVE
THROUGH ON THURSDAY. DRIER AIR AND CAPPING AT THE SFC AHEAD OF THE
FRONT WILL KEEP PRECIP TO A MINIMUM UNTIL AFTER FROPA...BUT KEPT
SLIGHT CHANCES IN THROUGH THE PERIOD BECAUSE OF TIMING CONCERNS AT
THIS POINT. WITH SOUTHWEST FLOW ALOFT AND SOUTHEASTERLY SFC FLOW
AHEAD OF THE LEE SIDE TROUGH TEMPERATURES WILL BE WARM...HIGHS IN
THE UPPER 80S TO LOWER 90S...UNTIL AFTER COLD FROPA ON THURSDAY.

&&

.AVIATION...
TAFS FOR THE KABR...KATY...KPIR AND KMBG TERMINALS

VFR CONDITIONS ARE EXPECTED FOR ALL TAF LOCATIONS THIS EVENING.
EXPECT SOME SHOWERS AND THUNDERSTORMS TO MOVE SOUTHEAST ACROSS
THE REGION OUT OF NORTH DAKOTA INTO THE MORNING HOURS. SOME OF THESE
COULD AFFECT THE TAF LOCATIONS ESPECIALLY KABR. INSERTED VCTS IN THE
TAFS FOR EARLY MORNING. MAY HAVE TO AMEND AFTER STORM MOTION
BECOMES MORE CERTAIN.

&&

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

SHORT TERM...TMT
LONG TERM...WISE
AVIATION...WISE

WEATHER.GOV/ABERDEEN

HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE ABERDEEN SD
540 AM CDT SUN AUG 28 2011

MNZ039-046-SDZ003>011-015>023-033>037-045-048-051-291045-
TRAVERSE-BIG STONE-CORSON-CAMPBELL-MCPHERSON-BROWN-MARSHALL-
ROBERTS-WALWORTH-EDMUNDS-DAY-DEWEY-POTTER-FAULK-SPINK-CLARK-
CODINGTON-GRANT-HAMLIN-DEUEL-STANLEY-SULLY-HUGHES-HYDE-HAND-JONES-
LYMAN-BUFFALO-
540 AM CDT SUN AUG 28 2011 /440 AM MDT SUN AUG 28 2011/

THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF WEST CENTRAL
MINNESOTA...CENTRAL SOUTH DAKOTA...NORTH CENTRAL SOUTH DAKOTA AND
NORTHEAST SOUTH DAKOTA.

.DAY ONE...TODAY AND TONIGHT

SCATTERED THUNDERSTORMS WILL MOVE SOUTHEAST ACROSS PORTIONS OF THE
AREA THROUGH THE EARLY MORNING HOURS. SEVERE STORMS ARE POSSIBLE
WITH LARGE HAIL AND GUSTY WINDS.

.DAYS TWO THROUGH SEVEN...MONDAY THROUGH SATURDAY

ON AND OFF CHANCES FOR THUNDERSTORMS ARE IN THE FORECAST THROUGH
THE TIME PERIOD.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION MAY BE NECESSARY EARLY THIS MORNING BETWEEN THE
JAMES AND MISSOURI RIVERS.

TMT

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE ABERDEEN SD
534 AM CDT SUN AUG 28 2011

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

0445 AM     HAIL             HERREID                 45.84N 100.07W
08/28/2011  E1.00 INCH       CAMPBELL           SD   TRAINED SPOTTER

&&

TMT