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Displaying AFOS PIL: SWOMCD Received: 2003-05-09 01:30 UTC
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631 ACUS11 KWNS 090130 SWOMCD SPC MCD 090130 KSZ000-OKZ000-TXZ000-090230- MESOSCALE DISCUSSION 0868 NWS STORM PREDICTION CENTER NORMAN OK 0830 PM CDT THU MAY 08 2003 AREAS AFFECTED...PORTIONS OF WRN AND NRN TX INTO CENTRAL OK AND SOUTH CENTRAL KS CONCERNING...TORNADO WATCH 304...307... VALID 090130Z - 090230Z ATTM...RADAR TRENDS/CAP OVER WRN-NRN TX INTO CENTRAL OK PER FTW/OUN 00Z SOUNDINGS SUGGEST THUNDERSTORMS DEVELOPING OVER WRN-NWRN TX FROM NEAR SJT TO EAST OF ABI MAY STRUGGLE TO EVOLVE INTO SEVERE STORMS. THEREFORE...WW 304 AND WW 307 WILL BE ALLOWED TO EXPIRE AS SCHEDULED AT 02Z. IF STORMS SHOW SIGNS OF INTENSIFICATION...THEN A NEW WW WOULD BE REQUIRED BASED ON VERY STRONG INSTABILITY AND FAVORABLE DEEP LAYER SHEAR FOR SUPERCELLS. VIS IMAGERY/LATEST SURFACE OBSERVATIONS SHOW A SURFACE DRYLINE EXTENDING FROM HUT SWD TO GRANT COUNTY OK TO NEAR LAW AND THEN SWWD TO JUST WEST OF ABI TO WEST OF SJT. AIR MASS EAST OF THE DRY LINE REMAINS VERY UNSTABLE...BUT IS CAPPED PER FTW/OUN 00Z SOUNDINGS. STORMS THAT CAN BREAK THROUGH THE CAP WILL BE CAPABLE OF PRODUCING LARGE HAIL/DAMAGING WINDS AND ISOLATED TORNADOES. ..PETERS.. 05/09/2003 ...PLEASE SEE WWW.SPC.NOAA.GOV FOR GRAPHIC PRODUCT... ATTN...WFO...TSA...TOP...ICT...FWD...OUN...DDC...SJT... 38089822 38339580 34509674 32899697 31549805 31470069 33909915