Severe Thunderstorm Warning 153, NWS Dodge City, KS

AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE DODGE CITY KS
346 PM CDT MON AUG 9 2010

.DISCUSSION...

DAYS 1-2...

THE SOUTHERN EDGE OF THE WESTERLIES WILL PERSIST ACROSS NORTHERN KS
THROUGH WEDNESDAY AS A LONGWAVE TROUGH PERSISTS ACROSS THE WESTERN
CONUS ALONG WITH UPPER RIDGING ACROSS THE SOUTHEASTERN STATES. A
SHORTWAVE TROUGH LIFTING NORTHEAST THROUGH UTAH THIS MORNING IS
EXPECTED TO PASS WELL TO OUR NORTHWEST TONIGHT AND INTO THE
NORTHERN PLAINS ON TUESDAY. LOW LEVEL BAROCLINICITY WILL REMAIN
RATHER WEAK ACROSS OUR FCST AREA. HOWEVER, A WEAK SFC TROUGH/FRONT
WILL REMAIN NEARLY STATIONARY NEAR ITS CLIMATOLOGICAL POSITION
ACROSS NORTHWEST KANSAS THROUGH WEDNESDAY AND SHOULD SERVE TO
TRIGGER AFTERNOON AND EARLY NIGHTTIME THUNDERSTORMS ACROSS THE
NORTHERN PART OF OUR FCST AREA. OTHERWISE, ONLY ISOLATED THUNDERSTORM
ACTIVITY IS EXPECTED IN OUR SOUTHERN COUNTIES AS A WEAK UPPER
SYSTEM MOVES NORTHWARD OUT OF TEXAS.

TEMPERATURES WILL REMAIN HOT THROUGH WEDNESDAY BUT HEAT INDICES
WILL GENERALLY STAY BELOW 105. SO THE HEAT ADVISORY FOR OUR EASTERN
COUNTIES WILL NOT BE EXTENDED.

DAYS 3-7...

THE MODELS ARE NOW IN GOOD AGREEMENT IN BREAKING DOWN THE RIDGE OVER
THE CENTER OF THE COUNTRY AND REBUILDING IT IN THE WEST BY NEXT
WEEKEND. THIS WILL FINALLY BRING AN END TO OUR HEAT WAVE AND A
RETURN TO MORE NORMAL TEMPERATURES. SIGNALS IN THE GLOBAL PATTERN
ARE GENERALLY SUPPORTIVE OF SUCH A TRANSITION AND THUS THE MODEL
FORECASTS ARE TAKEN AT FACE VALUE.

HOWEVER, WE WILL STILL HAVE AT LEAST TWO MORE DAYS OF NR 100 DEGREE
TEMPS TO GET THROUGH BEFORE THE CHANGE. THU WILL STILL BE M/SUNNY
AND HOT AS THE RIDGE HOLDS OVER THE SOUTH-CENTRAL US. STILL COULD
SEE SOME STORMS IN CO MOVE INTO WRN KS, BUT THU LOOKS DRY FOR THE
MAJORITY OF MY FA. HOWEVER, AN UPPER TROUGH WILL BE DROPPING THROUGH
WESTERN CANADA AND INTO THE NRN PLAINS THU WHICH WILL PUSH A FRONT
SOUTH THROUGH THE PLAINS. IT LOOKS LIKE THIS UPPER TROUGH WILL DIG
WELL DOWN INTO THE CENTRAL CONUS ON FRI AND AS A RESULT THE FRONT
SHOULD MAKE IT ALL THE WAY THROUGH KANSAS AND BRING AN END TO THE
HEAT. THE TIMING OF THIS IS AT ISSUE, BUT THE 12Z EC HAS MOVED
CLOSER TO THE GFS/GEM SOLUTION WHICH WOULD INDICATE A FROPA LATE
FRI. WITH A LATE FROPA, FRI WILL STILL BE HOT BUT GIVEN THIS
INCREASING CONSISTENCY, WILL INCREASE POPS LATER FRI. FINALLY THE
COOL DOWN ARRIVES ACCORDING TO ALL GUIDANCE ON SAT. HAVE BUMPED
TEMPS BACK DOWN TO AROUND NORMAL FROM SAT ON THROUGH WED, BUT THESE
COULD EASILY BE TOO WARM DEPENDING ON THE STRENGTH OF THE FRONT. NW
FLOW DEVELOPS ON THE FRONT SIDE OF THE WRN RIDGE FROM SAT THROUGH
WED WHICH WOULD TEND TO FAVOR ENHANCED MCS/PRECIP CHANCES OVER THE
PLAINS. WE HAVE SLIGHT CHANCE POPS GOING THROUGHOUT THAT PERIOD
WHICH IS REASONABLE.

FOR WEEK TWO, MODELS CONTINUE TO SHOW DEPRESSED HEIGHTS OVER US AND
EITHER ZONAL OR NW FLOW (THE GFS IS THE MOST AMPLIFIED AND WET AND
IT IS ALSO SUPPORTED BY THE MAJORITY OF ITS ENSEMBLE MEMBERS). WILL
THEREFORE STICK WITH NEAR NORMAL TEMPS AND PRECIP FOR THE WEEK TWO
FORECAST. -WRIGHT

&&

.AVIATION...

A LEE SIDE TROUGH OF LOW PRESSURE REMAINS OVER SW KS THIS AFTERNOON
AND SHOULD PROVIDE JUST ENOUGH CONVERGENCE AND LIFT TO PRODUCE SOME
CB/TS LATER THIS AFTERNOON AND EVENING. INDEED, SOME RADAR RETURNS
HAVE ALREADY DEVELOPED INVOF KPTT. THINK THE HIGHEST PROBABILITY OF
TS IS AT KHYS BUT IT IS CERTAINLY POSSIBLE AT KDDC/KGCK. WITH NO
DYNAMIC SUPPORT, ANY CONVECTION SHOULD QUICKLY DIE OUT AFTER 10/03Z.
OUTSIDE OF ANY CONVECTION INVOF THE TAF SITES, VFR CONDITIONS WILL
BE THE RULE THROUGH THIS FORECAST PERIOD. GUSTY S-SW FLOW OVER ALL 3
TERMINALS WILL BECOME LIGHT AND VARIABLE TONIGHT AS THE ATMOSPHERE
DECOUPLES. -WRIGHT

&&

.PRELIMINARY POINT TEMPS/POPS...
DDC  71 100  70 101 /  20  20  20   0
GCK  69  99  68 101 /  20  20  20   0
EHA  67  96  67  99 /  20  20  20   0
LBL  70  98  68 100 /  20  20  20   0
HYS  73 100  71 100 /  30  20  20  10
P28  75 101  74 101 /  20  20  30  10

&&

.DDC WATCHES/WARNINGS/ADVISORIES...
HEAT ADVISORY UNTIL 7 PM CDT THIS EVENING FOR KSZ031-046-065-066-
079>081-089-090.

&&

FN24/34

HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE DODGE CITY KS
335 AM CDT MON AUG 9 2010

KSZ030-043>045-061>064-074>078-084>088-101015-
TREGO-SCOTT-LANE-NESS-HAMILTON-KEARNY-FINNEY-HODGEMAN-STANTON-
GRANT-HASKELL-GRAY-FORD-MORTON-STEVENS-SEWARD-MEADE-CLARK-
335 AM CDT MON AUG 9 2010 /235 AM MDT MON AUG 9 2010/

THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF SOUTHWEST AND
WEST CENTRAL KANSAS.

.DAY ONE...TODAY AND TONIGHT

SCATTERED THUNDERSTORMS WILL BE POSSIBLE MAINLY AFTER 6 PM AND
INTO THIS EVENING AS AN UPPER LOW MOVES NORTH OUT OF TEXAS. ANY
STORMS THAT DEVELOP WILL BE CAPABLE OF PRODUCING SMALL HAIL, BRIEF
HEAVY RAINFALL, GUSTY WINDS UP TO 40 MPH, AND CLOUD TO GROUND
LIGHTNING.

.DAYS TWO THROUGH SEVEN...TUESDAY THROUGH SUNDAY

SCATTERED THUNDERSTORMS ARE AGAIN POSSIBLE ON TUESDAY AFTERNOON
AND EVENING AS A WEAK TROUGH OF LOW PRESSURE MOVES INTO SOUTHWEST
KANSAS. ISOLATED THUNDERSTORMS WILL BE POSSIBLE VIRTUALLY EACH DAY
FROM WEDNESDAY INTO SUNDAY ACROSS EXTREME SOUTHWEST AND WEST
CENTRAL KANSAS. HOWEVER, IT IS TOO EARLY TO DETERMINE WHETHER ANY
STORMS WILL BECOME SEVERE.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION WILL NOT BE NEEDED TODAY OR TONIGHT.

&&

FOR MORE INFORMATION VISIT OUR WEBPAGE AT HTTP://WEATHER.GOV/DDC

KSZ031-046-065-066-079>081-089-090-101015-
ELLIS-RUSH-PAWNEE-STAFFORD-EDWARDS-KIOWA-PRATT-COMANCHE-BARBER-
335 AM CDT MON AUG 9 2010

THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF CENTRAL AND
SOUTH CENTRAL KANSAS.

.DAY ONE...TODAY AND TONIGHT

A HEAT ADVISORY CONTINUES TODAY WITH HEAT INDICES FROM 105 TO
109 DEGREES IN THE MID TO LATE AFTERNOON.

SCATTERED THUNDERSTORMS WILL BE POSSIBLE MAINLY AFTER 6 PM AND
INTO THIS EVENING AS AN UPPER LOW MOVES NORTH OUT OF TEXAS. ANY
STORMS THAT DEVELOP WILL BE CAPABLE OF PRODUCING SMALL HAIL, BRIEF
HEAVY RAINFALL, GUSTY WINDS UP TO 40 MPH, AND CLOUD TO GROUND
LIGHTNING.

.DAYS TWO THROUGH SEVEN...TUESDAY THROUGH SUNDAY

SCATTERED THUNDERSTORMS ARE AGAIN POSSIBLE ON TUESDAY AFTERNOON
AND EVENING AS A WEAK TROUGH OF LOW PRESSURE MOVES INTO SOUTHWEST
KANSAS. ISOLATED THUNDERSTORMS WILL BE POSSIBLE VIRTUALLY EACH DAY
FROM WEDNESDAY INTO SUNDAY ACROSS EXTREME SOUTHWEST AND WEST
CENTRAL KANSAS. HOWEVER, IT IS TOO EARLY TO DETERMINE WHETHER ANY
STORMS WILL BECOME SEVERE.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION WILL NOT BE NEEDED TODAY OR TONIGHT.

&&

FOR MORE INFORMATION VISIT OUR WEBPAGE AT HTTP://WEATHER.GOV/DDC

06

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE DODGE CITY KS
705 PM CDT MON AUG 9 2010

KSZ087-100045-
MEADE-
705 PM CDT MON AUG 9 2010

...SIGNIFICANT WEATHER ADVISORY FOR NORTHWESTERN MEADE COUNTY...

AT 702 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
STRONG THUNDERSTORM NEAR PLAINS CITY...MOVING NORTH AT 15 MPH.

NICKEL SIZE HAIL...AND WINDS AROUND 50 MPH ARE POSSIBLE WITH THIS
STORM.

LAT...LON 3746 10064 3746 10038 3718 10032 3712 10062
TIME...MOT...LOC 0005Z 177DEG 12KT 3725 10052

18

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE DODGE CITY KS
710 PM CDT MON AUG 09 2010

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

0700 PM     HAIL             4 ENE PLAINS CITY       37.29N 100.53W
08/09/2010  E0.88 INCH       MEADE              KS   LAW ENFORCEMENT

&&

MRUSSELL

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE DODGE CITY KS
729 PM CDT MON AUG 9 2010

KSZ076-100115-
HASKELL-
729 PM CDT MON AUG 9 2010

...SIGNIFICANT WEATHER ADVISORY FOR CENTRAL HASKELL COUNTY...

AT 725 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
STRONG THUNDERSTORM 5 MILES NORTH OF SATANTA...MOVING NORTH AT 15
MPH.

NICKEL SIZE HAIL...AND WINDS AROUND 50 MPH ARE POSSIBLE WITH THIS
STORM.

LAT...LON 3771 10107 3771 10078 3741 10072 3741 10106
TIME...MOT...LOC 0029Z 185DEG 13KT 3752 10095

18

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE DODGE CITY KS
908 PM CDT MON AUG 9 2010

KSZ087-100300-
MEADE-
908 PM CDT MON AUG 9 2010

...SIGNIFICANT WEATHER ADVISORY FOR NORTHWESTERN MEADE COUNTY...

AT 906 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
STRONG THUNDERSTORM NEAR PLAINS CITY...MOVING NORTHEAST AT 10 MPH.

PENNY SIZE HAIL...AND WINDS AROUND 50 MPH ARE POSSIBLE WITH THIS
STORM.

LAT...LON 3746 10061 3745 10011 3717 10059 3734 10063
TIME...MOT...LOC 0209Z 225DEG 10KT 3732 10053

18

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