Special Weather Statement, NWS Aberdeen, SD

Area Forecast Discussion...UPDATED
National Weather Service Aberdeen SD
649 PM CDT TUE MAY 24 2016

.UPDATE...
Issued at 645 PM CDT TUE MAY 24 2016

Made a few minor adjustments to pops this evening. Pushed back the
start time out west as precip is having a hard time overcoming the
30 degree dewpoint spreads. Temperatures and winds needed no
changes.

&&

.SHORT TERM...(This Evening through Thursday Night)
Issued at 246 PM CDT TUE MAY 24 2016

A fairly active twenty four hours coming up.  For tnt low res as
well as convection allowing models prog storms developing over the
western high plains of Nebraska/South Dakota...then riding the LLJ
east through the night. Other than an isolated strong to severe
storm am not expecting much other than some potential heavy rain.
Also there is a weak sfc low in far northeast South Dakota with some
towering cu/moderate cu developing over western Minnesota. This
activity may affect my far northeast cwa so have thrown in a
slight chc pop for the evening.

On Wednesday the showers/storms should move mostly out of the area
by late morning or early afternoon. Strong diabatic heating in the
late afternoon across the cwa could result in some pretty decent ml
capes...especially if near 60 dewpoints can be realized.  Low level
shear is weak and deep layer shear is marginal so perhaps isolated
pulse type svr could materialize...but then die off quickly by mid
evening.  Most of the activity ends overnight Wednesday with
Thursday likely to be tranquil and dry.  Temperatures through the
period will average out near to slightly above normal.

.LONG TERM...(Friday through Tuesday)
Issued at 246 PM CDT TUE MAY 24 2016

An active weather pattern is expected through the holiday weekend
and into the early part of next week.

The period begins with an upper level trough of low pressure over
the central plains. This systems will slowly lift northward through
Saturday night with shower and thunderstorms possible. Severe storms
are not expected with this shortwave.

Sunday could be dry through a good portion of the day. If skies
become clear on Sunday...than a frontal passage late in the day
could set the stage for strong to severe storms. The GFS is
suggesting MU-Cape values could exceed 4K J/KG. As of now...the GFS
only shows 20 knots of 0-6 km bulk shear. Will not get too excited
about severe weather as this event is a few days away. Additional
showers and thunderstorms look possible Monday and Tuesday as
shortwaves continue to impact the region.

&&

.AVIATION...(For the 00Z TAFS through 00Z Wednesday Evening)
Issued at 645 PM CDT TUE MAY 24 2016

VFR conditions are expected at all taf sites with light winds.
Showers and thunderstorms across western SD will move north and
east tonight. Thunderstorms may begin to impact KPIR around 3z and
KMBG by 6z. Rain will then spread east by 9z. There will likely be
a break in the precip late Wed morning into early Wed afternoon
before another round of showers and thunderstorms develop across
eastern SD.

&&

.ABR Watches/Warnings/Advisories...
SD...NONE.
MN...NONE.
&&

UPDATE...Wise
SHORT TERM...TDK
LONG TERM...SD
AVIATION...Wise

HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE ABERDEEN SD
448 AM CDT TUE MAY 24 2016

MNZ039-046-SDZ003>011-015>023-033>037-045-048-051-251000-
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-
448 AM CDT TUE MAY 24 2016 /348 AM MDT TUE MAY 24 2016/

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

SHOWERS AND THUNDERSTORMS ARE EXPECTED TO MOVE FROM WEST TO EAST
ACROSS THE AREA THIS EVENING AND THROUGH THE OVERNIGHT HOURS. A
FEW STORMS COULD BE ON THE STRONG SIDE WITH GUSTY WINDS AND SMALL
HAIL.

.DAYS TWO THROUGH SEVEN...WEDNESDAY THROUGH MONDAY

STRONG TO MARGINALLY SEVERE STORMS ARE POSSIBLE ON WEDNESDAY AS
WELL.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION WILL NOT BE NEEDED.

TMT

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE ABERDEEN SD
817 PM CDT TUE MAY 24 2016

SDZ033-045-250200-
JONES SD-STANLEY SD-
817 PM CDT TUE MAY 24 2016

...SIGNIFICANT WEATHER ADVISORY FOR SOUTHWESTERN STANLEY AND
NORTHWESTERN JONES COUNTIES UNTIL 900 PM CDT/800 PM MDT/...

AT 816 PM CDT/716 PM MDT/...DOPPLER RADAR WAS TRACKING A STRONG
THUNDERSTORM NEAR MIDLAND...OR 21 MILES NORTHWEST OF MURDO...MOVING
NORTHEAST AT 20 MPH.

DIME SIZE HAIL WILL BE POSSIBLE WITH THIS STORM.

LOCATIONS IMPACTED INCLUDE...
CAPA.

THIS STORM MAY INTENSIFY...SO BE CERTAIN TO MONITOR LOCAL RADIO
STATIONS AND AVAILABLE TELEVISION STATIONS FOR ADDITIONAL INFORMATION
AND POSSIBLE WARNINGS FROM THE NATIONAL WEATHER SERVICE.

LAT...LON 4392 10107 4398 10107 4400 10105 4417 10106
      4417 10116 4422 10117 4407 10082 4390 10104
TIME...MOT...LOC 0116Z 209DEG 19KT 4405 10109

WISE

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE ABERDEEN SD
852 PM CDT TUE MAY 24 2016

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

0835 PM     TSTM WND GST     3 SW CAPA               44.08N 101.01W
05/24/2016  E50 MPH          JONES              SD   PUBLIC

&&

RL

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE ABERDEEN SD
932 PM CDT TUE MAY 24 2016

SDZ033-045-048-250315-
JONES SD-LYMAN SD-STANLEY SD-
932 PM CDT TUE MAY 24 2016

...SIGNIFICANT WEATHER ADVISORY FOR SOUTH CENTRAL STANLEY...NORTHERN
JONES AND NORTHWESTERN LYMAN COUNTIES UNTIL 1015 PM CDT/915 PM
MDT/...

AT 932 PM CDT/832 PM MDT/...DOPPLER RADAR WAS TRACKING A STRONG
THUNDERSTORM NEAR MURDO...MOVING NORTHEAST AT 25 MPH.

NICKEL SIZE HAIL AND WINDS IN EXCESS OF 40 MPH WILL BE POSSIBLE WITH
THIS STORM.

LOCATIONS IMPACTED INCLUDE...
MURDO AND DRAPER.

LAT...LON 4382 10068 4399 10094 4423 10072 4403 10036
TIME...MOT...LOC 0232Z 216DEG 20KT 4398 10073

WISE

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