Severe Thunderstorm Warning 243, NWS Sioux Falls, SD

000 
WWUS53 KFSD 090229
SVSFSD

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE SIOUX FALLS SD
929 PM CDT FRI AUG 8 2008

MNC033-090245-
/O.CON.KFSD.SV.W.0243.000000T0000Z-080809T0245Z/
COTTONWOOD MN-
929 PM CDT FRI AUG 8 2008

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 945 PM CDT
FOR NORTHEASTERN COTTONWOOD COUNTY...

AT 929 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
INDICATE A SEVERE THUNDERSTORM CAPABLE OF PRODUCING PENNY SIZE
HAIL...AND DAMAGING WINDS IN EXCESS OF 60 MPH.  THIS STORM WAS
LOCATED 6 MILES NORTHEAST OF JEFFERS...OR 17 MILES NORTH OF WINDOM...
MOVING SOUTH AT 22 MPH.

THE SEVERE THUNDERSTORM WILL BE NEAR...
   JEFFERS AROUND 935 PM CDT...
   DELFT AROUND 945 PM CDT...

THIS STORM WILL PRODUCE PENNY SIZE HAIL AND DAMAGING WIND. GO INSIDE 
A STURDY BUILDING AND STAY AWAY FROM WINDOWS.

LAT...LON 4395 9514 4418 9527 4420 9512 4417 9509
      4412 9509 4411 9487 4395 9487
TIME...MOT...LOC 0229Z 351DEG 19KT 4410 9512

$$

SCHUMACHER

000 
WWUS53 KFSD 090241
SVSFSD

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE SIOUX FALLS SD
941 PM CDT FRI AUG 8 2008

MNC033-090250-
/O.EXP.KFSD.SV.W.0243.000000T0000Z-080809T0245Z/
COTTONWOOD MN-
940 PM CDT FRI AUG 8 2008

...THE SEVERE THUNDERSTORM WARNING FOR NORTHEASTERN COTTONWOOD COUNTY
WILL EXPIRE AT 945 PM CDT...

THE STORM IS NO LONGER SEVERE.  HOWEVER...EXPECT CLOUD TO GROUND 
LIGHTNING...WIND GUSTS TO 40 MPH AND BRIEF HEAVY RAIN AS THIS STORM 
CONTINUES TO MOVE SOUTHEAST TOWAARD BINGHAM LAKE AND MOUNTAIN LAKE 
THROUGH 1015 PM CDT.

LAT...LON 4395 9514 4418 9527 4420 9512 4417 9509
      4412 9509 4411 9487 4395 9487
TIME...MOT...LOC 0240Z 351DEG 19KT 4404 9511

$$

SCHUMACHER

AREA FORECAST DISCUSSION FOR SOUTHEAST SD/SOUTHWEST MN/NORTHWEST IA
NATIONAL WEATHER SERVICE SIOUX FALLS SD
300 PM CDT FRI AUG 8 2008

.DISCUSSION...
INSTBLTY AND MOISTR STILL SEEM ENUF FOR SPOTTY SHWRS/TSTMS TO DVLP
THRU THIS EVE OFF THE EDGE OF MORE CONCENTRATD ACTVTY MOVG OVER ERN
ND AND WCNTRL MN THIS AFTN. FOR OUR FCST AREA THIS CUD AFFECT SWRN
MN INTO THE SPIRIT LAKE/SPW AREA OF NWRN IA WITH THE THREAT FOR
CONTD SPOTTY DVLPMNT THIS AREA PSBLY DOWN TO SLB LATR TNGT. MAIN
SHRTWV ASSOCD WITH CONCENTRATD ACTVTY LEAVES SME WK SUPPORT BHND IT
ON NAM AND GFS. THREAT OF PCPN SEEMS NIL FRTHR W AND S AS ACTVTY
TRYING TO MOVE OVER NE SHUD STAY S/SW OF FCST AREA. NOTHNG MUCH TO
SAY ON TEMPS...LINGRNG LO LVL SRLY FLOW SHUD KEEP TEMPS FROM
DROPPING BLO GUIDNCE VALUES DESPITE MOCLR SKIES MUCH OF THE NGT...60
TO 65 RANGE SHUD COVER FCST AREA.

NOT MUCH TO FOCUS ON THIS WEEKEND. FOR SAT MORN...SRN WAVE PASSING
THRU NEB MIGHT CLIP FAR SRN CWA WITH A FEW TRW-...BUT CONFIDENCE IS
LOW AND WL ONLY GO WITH A 20% POP THERE. FURTHER NE ACRS PORTIONS OF
SW MN...A FEW TRW- MAY STILL BE LINGERING JUST NE OF WEAK SFC FNT
WHICH WL SAG INTO FAR NRN CWA TONIGHT. S/W SHUD BE EXITING SW EARLY
SAT MORN AND WL NEED TO KEEP AT LEAST A SMALL CHC THERE THRU 15Z.
FNT WL LIKELY REMAIN ACRS FAR NERN CWA THRU SAT AND CUD BE THE FOCUS
FOR MORE SPOTTY TRW- SAT AFTN. THIS FNT SHUD SAG SLWLY SWWD SAT
NIGHT AS SFC HIGH BUILDS SWD ACRS MN. DRIER MID LEVEL AIR WL ALSO
SPREAD INTO SW MN. SO ANY THREAT OF PRECIP SAT NITE SHUD END FM NE
TO SW...BUT CUD LINGER WRN OR SWRN CWA THRU THE NITE AS FNT WL
LIKELY HANG UP THERE. AGAIN NOT MUCH TO TRIGGER TRW SO WL KEEP POPS
VERY LOW THRU SAT NITE.

ON SUN...DRIER MID LEVEL AIR WL PUSH A LTL FURTHER W WITH FNT STILL
LINGERING OVR W. SFC HTG AND TEMPS ALOFT NOT CAPPED...CUD SE SPOTTY
TRW DEVELOP ALONG MOIST AXIS WHIEL ERN CWA EXPECTED TO BE DRY.
THEREFORE SMALL POPS WARRANTED FOR WRN CWA SUN INTO SUN NITE.

STRONGER S/W AND CDFNT EXPECTED TO MOVE ACRS CWA MON INTO MON NITE
AND THIS WL BRING A BETTER CHC OF TRW TO THE CWA. FNT SHUD EXIT CWA
TUES MORN AND MOST OF CWA SHUD BE DRY TUES. ANOTHER S/W LATER WED
INTO THU WL BRING ANOTHER FNT ACRS CWA AND AGAIN ANOTHER CHC OF
TRW.

TEMPS THRU SUN WL BE CLOSE TO NORM WITH SOME SLIGHT COOLING SUN ACRS
NERN CWA. AS SFC HIGH BUILD INTO WRN GREAT LAKES REGION. NOT
EXPECTING ANY MAJOR SWINGS IN TEMPS THRU NEXT WEEK WITH RELATIVELY
WEAK WL FLOW ALOFT THRU MID WEEK. GFS SEEMS TO BE THE ODD MODEL OUT
FOR THU AND FRI AS IT TRIES TO DIG UPPER LOW OVR DAKOTAS RESULTING
ON COOLER TEMPS AND UNSTABLE AIR ALOFT FOR CONVECTION. FEEL MORE
ZONAL FLOW ALOFT WL OCCUR WITH UPPER LOW FURTHER N. THIS WUD KEEP
BULK OF INSTABIL AND COOLER AIR TO THE N.

&&

.AVIATION...
GNLY VFR THRU 10/00Z. ONLY AVIATN CONCERN IS VERY SPOTTY TSTM TREAT
OVER NERN PART OF FCST AREA. LO LVL SRLY FLOW SHUD KEEP EVEN ANY
MVFR FOG THREAT AS WELL AS ANY ST DVLPMNT AWAY...ESPLY WITH SFC RDG
AND UNEXCITNG DEWPTS FROM E TO S OF AREA.

&&

.FSD WATCHES/WARNINGS/ADVISORIES...

SD...NONE.
MN...NONE.
IA...NONE.
NE...NONE.

&&

WILLIAMS/

HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE SIOUX FALLS SD
1128 AM CDT FRI AUG 08 2008

SDZ038>040-050-052>071-MNZ071-072-080-081-089-090-097-098-
IAZ001>003-012>014-020>022-031-032-NEZ013-014-091200-
AURORA-BEADLE-BON HOMME-BROOKINGS-BRULE-BUENA VISTA IA-
CHARLES MIX-CHEROKEE IA-CLAY-CLAY IA-COTTONWOOD MN-DAKOTA NE-
DAVISON-DICKINSON IA-DIXON NE-DOUGLAS-GREGORY-HANSON-HUTCHINSON-
IDA IA-JACKSON MN-JERAULD-KINGSBURY-LAKE-LINCOLN-LINCOLN MN-
LYON IA-LYON MN-MCCOOK-MINER-MINNEHAHA-MOODY-MURRAY MN-NOBLES MN-
OBRIEN IA-OSCEOLA IA-PIPESTONE MN-PLYMOUTH IA-ROCK MN-SANBORN-
SIOUX IA-TURNER-UNION-WOODBURY IA-YANKTON-
1128 AM CDT FRI AUG 08 2008

THIS HAZARDOUS WEATHER OUTLOOK IS FOR SOUTHEAST SOUTH DAKOTA...
SOUTHWEST MINNESOTA...NORTHWEST IOWA...AND NORTHEAST NEBRASKA.

.DAY ONE...TODAY AND TONIGHT

THUNDERSTORMS...
SPOTTY THUNDERSTORMS ARE POSSIBLE LATE THIS AFTERNOON AND TONIGHT
OVER SOUTHWEST MINNESOTA...TO THE SPIRIT LAKE...SPENCER...AND
STORM LAKE AREAS OF NORTHWEST IOWA. THESE STORMS ARE NOT EXPECTED
TO BE SEVERE.

.DAYS TWO THROUGH SEVEN...SATURDAY THROUGH THURSDAY

THERE IS A CHANCE OF THUNDERSTORMS OVER THE AREA DURING THE
WEEKEND...MAINLY SATURDAY NIGHT. AT THIS TIME STORMS ARE NOT
EXPECTED TO BE SEVERE.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION IS NOT EXPECTED TODAY AND TONIGHT.

&&

FOR MORE INFORMATION PLEASE VISIT OUR WEBSITE AT
WWW.WEATHER.GOV/SIOUXFALLS. THIS INCLUDES THE GRAPHICAL HAZARDOUS
WEATHER OUTLOOK.

WILLIAMS