STORM PREDICTION CENTER...NWS/NCEP...NORMAN OK
DAY 2 CONVECTIVE OUTLOOK...REF AWIPS GRAPHIC PGWI47 KWNS.
VALID 221200Z - 231200Z
THERE IS A SLGT RISK OF SVR TSTMS TO THE RIGHT OF A LINE FROM JCT
50 N DRT P07 20 WNW FST 40 WNW HOB 45 W CVS 25 SW CAO 15 SE DHT
20 SSW AMA 70 ESE LBB 40 SSW ABI JCT.
GEN TSTMS ARE FCST TO THE RIGHT OF A LINE FROM 45 SSE CTY
20 NNW DAB.
GEN TSTMS ARE FCST TO THE RIGHT OF A LINE FROM 70 SSW P07
10 WSW MRF 40 WNW CNM 35 WSW ABQ 30 SW INW 35 NW BLH 20 SSE BFL
SVE 45 SW GEG 65 N 3TH 45 WSW CTB 45 S GCC 30 SSW SNY 35 WSW GCK
20 SW OKC 10 ENE DUA 20 NNE LFK 20 ENE GLS ...CONT... 15 ESE CRP
65 WSW COT.
GEN TSTMS ARE FCST TO THE RIGHT OF A LINE FROM 30 ENE SBY
20 SSW AVP 10 NNE MSS.
...SRN HIGH PLAINS...
UNSEASONABLY STRONG/COLD UPPER LOW MOVES FROM SRN NV EWD TO
VICINITY 4-CORNERS THIS FORECAST PERIOD. GENERAL LOW PRESSURE WITH
NO WELL DEFINED CENTER COVERS MUCH OF CENTRAL/SRN
ROCKIES...RESULTING IN SELY RETURN FLOW MUCH OF HIGH PLAINS. WHILE
COLD FRONT WILL NOT ENTER SRN HI PLAINS UNTIL LATER TUESDAY
NIGHT...CONDITIONS SHOULD BECOME FAVORABLE FOR SEVERE THUNDERSTORMS
ACROSS SRN HI PLAINS E OF DRY LINE DURING THE AFTERNOON.
DEWPOINTS TO NEAR 60F EXPECTED TO MAKE IT INTO SRN PORTION OF
PANHANDLE...SWD BY AFTERNOON WITH THE DRY LINE MIXING EWD TO
VICINITY ERN NM/TX BORDER. SBCAPES UPWARD TO 2000 J/KG ARE LIKELY
TO DEVELOP ACROSS SWRN TX INTO SRN PANHANDLE. VEERING SHEAR
PROFILES WILL BE INCREASINGLY FAVORABLE FOR SUPERCELLS SWRN TX NWD
THRU WRN TX PANHANDLE INTO ERN CO PLAINS. FURTHER N WHERE SHEAR IS
GREATER... CAPE WILL BE LIMITED AS DEWPOINTS STRUGGLE TO REACH 50F
INTO SERN CO. STORMS THAT ARE ABLE TO INITIATE SHOULD BE
POTENTIALLY LARGE HAILERS WITH ISOLATED TORNADOES MOST POSSIBLE
ALONG/EAST OF DRY LINE TRANSPECOS REGION WHERE CAPE WILL BE
GREATER.
SEVERE THUNDERSTORM THREAT SHOULD CONTINUE AFTER 00Z AS LOW LEVEL
WARM ADVECTION AND MOISTURE CONTINUE TO DEVELOP N AND E THRU TX
PANHANDLE POSSIBLY INTO SWRN OK. STORMS SHOULD BECOME INCREASINGLY
ELEVATED AS THEY SPREAD NEWD AHEAD OF ADVANCING UPPER TROUGH WITH
A DIMINISHING SEVERE THREAT.
..HALES.. 04/21/03
NOTE: THE NEXT DAY 2 OUTLOOK IS SCHEDULED FOR 0800Z
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