000
AWUS83 KFSD 190151
RWSSD
SDZ001>074-191700-

SOUTH DAKOTA WEATHER SUMMARY
NATIONAL WEATHER SERVICE SIOUX FALLS SD
851 PM CDT SAT MAY 18 2013

AN ACTIVE WEATHER PATTERN CONTINUED ACROSS THE NORTHERN AND CENTRAL
PLAINS THIS AFTERNOON AND EVENING...WITH SOUTH DAKOTA NOT MISSING
TOO MUCH OF THE ACTIVITY...ESPECIALLY IN THE WESTERN HALF OF THE
STATE. THE SKY WAS PARTLY SUNNY TO CLOUDY ACROSS WESTERN SOUTH
DAKOTA...WITH NUMEROUS THUNDERSTORMS...SOME OF THEM SEVERE.
MEANWHILE...THE EASTERN HALF OF THE STATE WAS PARTLY TO MOSTLY
SUNNY...WITH SOME ISOLATED SHOWERS AND THUNDERSTORMS IN THE
NORTHEAST...AND WEST OF THE JAMES RIVER. AS A TROUGH OF LOW PRESSURE
WAS SLOWLY PUSHING EASTWARD ACROSS THE CENTRAL THIRD OF SOUTH
DAKOTA...NORTHWEST TO NORTHEAST WINDS WERE GRADUALLY REPLACING
SOUTHEAST TO SOUTH WINDS. MOST WIND SPEEDS WERE 10 TO 20 MPH...
EXCEPT FOR GUSTS OF 25 TO 50 MPH IN AND NEAR SHOWERS AND
THUNDERSTORMS.

THERE HAVE BEEN A LOT OF SEVERE WEATHER REPORTS THIS AFTERNOON AND
EVENING...WITH MOST OF THEM BETWEEN THE BLACK HILLS AND SOUTH DAKOTA
STATE HIGHWAY 47. SOME SELECTED REPORTS INCLUDED:

    548 PM MDT      0.75 INCH HAIL      1 E DOWNTOWN RAPID CITY
    545 PM MDT      1.50 INCH HAIL      DOWNTOWN RAPID CITY
    543 PM MDT      1.50 INCH HAIL      4 S DOWNTOWN RAPID CITY
    641 PM CDT      1.00 INCH HAIL      8 NW CHANTLER CREEK REC
    641 PM CDT      0.50 INCH HAIL      9 N ISABEL
    535 PM MDT      1.50 INCH HAIL      6 S DOWNTOWN RAPID CITY
    535 PM MDT      1.00 INCH HAIL      7 SW DOWNTOWN RAPID CITY
    530 PM MDT      1.00 INCH HAIL      7 SW DOWNTOWN RAPID CITY
    527 PM MDT      1.50 INCH HAIL      5 SW DOWNTOWN RAPID CITY
    625 PM CDT      1.00 INCH HAIL      8 WNW CHANTLER CREEK REC
    622 PM CDT      1.00 INCH HAIL      2 W FIRESTEEL
    458 PM MDT      1.00 INCH HAIL      RED ELM
    450 PM MDT      0.70 INCH HAIL      HILL CITY
    540 PM CDT      1.00 INCH HAIL      3 SSE GREEN GRASS
    430 PM MDT      1.75 INCH HAIL      10 WSW RED ELM
    420 PM MDT      1.00 INCH HAIL      10 NNW ELLSWORTH AFB
    350 PM MDT      0.88 INCH HAIL      3 NNE BLACK HAWK
    350 PM MDT      0.88 INCH HAIL      3 NW BLACK HAWK
    340 PM MDT      0.75 INCH HAIL      5 S MUD BUTTE
    315 PM MDT      0.70 INCH HAIL      PACTOLA RESERVOIR
    225 PM MDT      0.70 INCH HAIL      4 NW NEMO
    215 PM MDT      0.75 INCH HAIL      14 ENE DOWNTOWN STURGIS
    200 PM MDT      1.00 INCH HAIL      3 NE TILFORD
    115 PM MDT      0.88 INCH HAIL      1 SE DOWNTOWN SPEARFISH
    1245 PM MDT     0.88 INCH HAIL      6 SE DEADWOOD
    1245 PM MDT     1.75 INCH HAIL      7 SSE DEADWOOD

RAINFALL AMOUNTS ACROSS SOUTH DAKOTA IN THE PAST 24 HOURS HAVE
MAINLY BEEN BETWEEN A QUARTER AND A HALF INCH...WITH SOME HIGHER
AMOUNTS... AND A FEW LESSER. THE GREATEST RAINFALL AMOUNTS OCCURRED
EARLY THIS MORNING BETWEEN WINNER AND CHAMBERLAIN. SOME REPORTS FROM
AROUND THE STATE INCLUDED:

    WINNER          1.00
    CHAMBERLAIN     0.99
    ABERDEEN        0.55
    BUFFALO         0.54
    MITCHELL        0.49
    PIERRE          0.45
    HURON           0.28
    WATERTOWN       0.23
    PHILIP          0.15
    RAPID CITY WFO  0.14
    SISSETON        0.10
    MOBRIDGE        0.07
    PINE RIDGE      0.02
    MADISON         TRACE

HIGH TEMPERATURES ACROSS SOUTH DAKOTA THIS AFTERNOON WERE GENERALLY
IN THE MID 70S TO MID 80S. THERE WERE THREE PLACES THAT MADE IT TO
84 DEGREES...INCLUDING ABERDEEN...MITCHELL...AND SISSETON. MOBRIDGE
WAS CLOSE BEHIND...WITH 83. IT WAS COOLER IN THE BLACK HILLS...WHERE
CUSTER ONLY WARMED TO 68 DEGREES. THE RAPID CITY WEATHER SERVICE
OFFICE WAS SOMEWHAT WARMER...WITH 72...AND SO WAS BUFFALO..WITH 73.

AT 8 PM CDT / 7 PM MDT...THE WESTERN HALF OF SOUTH DAKOTA WAS MOSTLY
CLOUDY TO CLOUDY...WITH SHOWERS AND THUNDERSTORMS MAINLY NEAR AND
WEST OF A LINE FROM POLLOCK TO MARTIN. THE EASTERN HALF OF THE STATE
WAS PARTLY TO MOSTLY CLOUDY. TEMPERATURES WERE MAINLY IN THE MID 60S
TO UPPER 70S. EXTREMES ON THE HOUR RANGED FROM 81 DEGREES AT
YANKTON...TO 55 AT CUSTER. WINDS ACROSS THE WESTERN THIRD OF SOUTH
DAKOTA WERE OUT OF THE NORTHWEST TO NORTHEAST AT 6 TO 15 MPH...
EXCEPT FOR PINE RIDGE...WITH A SOUTHEAST WIND AT 13 MPH. THE CENTRAL
THIRD OF THE STATE HAD EAST TO SOUTHEAST WINDS AT 8 TO 14 MPH.
MEANWHILE...THE EASTERN THIRD OF SOUTH DAKOTA HAD WINDS BETWEEN EAST
AND SOUTH AT 3 TO 10 MPH.

$$