000 FPUS74 KBMX 301950 NOWBHM SHORT TERM FORECAST NATIONAL WEATHER SERVICE BIRMINGHAM AL 250 PM CDT TUE APR 30 2002 ALZ015-017-019-024>027-302035- BLOUNT-CALHOUN-JEFFERSON-SHELBY-ST CLAIR-TALLADEGA-WALKER- 250 PM CDT TUE APR 30 2002 .NOW... ...SEVERE THUNDERSTORM WATCH THROUGH 8 PM... A LINE OF SHOWERS AND THUNDERSTORMS...WITH SOME STRONG STORMS...WAS STRETCHED ACROSS CENTRAL ALABAMA FROM JASPER...TO BIRMINGHAM...TO ANNISTON. LOCALLY HEAVY RAIN...GUSTY WINDS...FREQUENT LIGHTNING... AND SMALL HAIL CAN BE EXPECTED WITH THIS LINE. THE AIR MASS IS VERY UNSTABLE OVER THIS PART OF ALABAMA...AND THE POTENTIAL EXIST FOR THESE THUNDERSTORMS TO INTENSIFY THIS AFTERNOON. STAY ALERT FOR LATER UPDATES AND POSSIBLE WARNINGS. $$