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MESOSCALE DISCUSSION 1425
NWS STORM PREDICTION CENTER NORMAN OK
1135 PM CDT FRI JUL 03 2009
AREAS AFFECTED...CENTRAL/ERN KS INTO NWRN MO
CONCERNING...SEVERE POTENTIAL...WATCH UNLIKELY
VALID 040435Z - 040530Z
ISOLATED HAIL/STRONG WIND GUSTS WILL BE POSSIBLE WITH STRONGER
CORES/LINE SEGMENTS INTO THE EARLY PART OF THE OVERNIGHT PERIOD
ACROSS CENTRAL/NERN KS INTO NWRN MO. HEAVY RAINFALL RATES RANGING
FROM 1.5 TO 2 IN/HR WILL BE POSSIBLE WITH STORMS TRAINING ENEWD FROM
CENTRAL KS TOWARD NWRN MO.
04Z SURFACE ANALYSIS INDICATED A COMPOSITE OUTFLOW BOUNDARY
EXTENDING WSWWD FROM NEAR TOP TO JUST N OF HUT AND THEN THROUGH SWRN
KS /S OF GCK/ TO FAR SERN CO. REGIONAL RADARS SHOWED TSTMS WERE
LOCATED MAINLY ALONG AND N OF THIS BOUNDARY...WITH ACTIVITY TRACKING
ENEWD. FORCING FOR ASCENT ATTENDANT TO A COUPLE OF SHORT WAVE
TROUGHS MOVING EWD ACROSS ERN NEB/KS COMBINED WITH STRONG LOW LEVEL
WAA ALONG NOSE OF VEERING 40-50 KT LLJ WILL LIKELY MAINTAIN CLUSTERS
OF TSTMS OVERNIGHT AS THE IMPULSES APPROACH THE LOWER MO VALLEY.
IN ADDITION TO THE ISOLATED SEVERE WEATHER THREAT...THE STRONG LLJ
WILL MAINTAIN AN INFLOW OF RICH LOW LEVEL MOISTURE INTO THE MCS FROM
CENTRAL INTO NERN KS. 00Z SOUNDINGS ERN KS INTO WRN MO INDICATED
ABOVE NORMAL VALUES /AOA 1.5 INCHES/. THESE VALUES COMBINED WITH
THE LIKELIHOOD FOR STORMS TO CONTINUE TRAINING ENEWD WILL SUPPORT
HEAVY RAINFALL RATES FROM GBD/SLN AREA THROUGH TOP AND TOWARD THE
KANSAS CITY METRO AREA.
..PETERS.. 07/04/2009
ATTN...WFO...EAX...TOP...ICT...DDC...
LAT...LON 38619919 38939907 39169828 39259757 39349683 39409589
39529437 39079427 38519438 38169626 38149817 38019937
38049979 38339973 38619919
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