Augusta – Tornado Watch until 10 PM EDT – expired

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    As we discussed earlier conditions have become unstable across the Eastern U.S. and two tornado watches have now been issued. The most recent is near Nelson, but does not include us at this time. I would not be surprised to see the watch area expanded later this evening. Dewpoints are running in the low 70’s so the air is very moist at this time. Again, Nelson is not included in this watch, but is very close to the watch area.

    URGENT – IMMEDIATE BROADCAST REQUESTED
    TORNADO WATCH NUMBER 483…CORRECTED
    NWS STORM PREDICTION CENTER NORMAN OK
    205 PM EDT WED JUL 4 2007

    CORRECTED TO “MUCH OF MARYLAND” INSTEAD OF “MARYLAND”

    THE NWS STORM PREDICTION CENTER HAS ISSUED A
    TORNADO WATCH FOR PORTIONS OF

    DISTRICT OF COLUMBIA
    MUCH OF DELAWARE
    MUCH OF MARYLAND
    MUCH OF NEW JERSEY
    SOUTHERN AND EASTERN PENNSYLVANIA
    NORTHERN AND CENTRAL VIRGINIA
    EASTERN WEST VIRGINIA
    COASTAL WATERS

    EFFECTIVE THIS WEDNESDAY AFTERNOON AND EVENING FROM 205 PM UNTIL
    1000 PM EDT.

    TORNADOES…HAIL TO 1 INCH IN DIAMETER…THUNDERSTORM WIND GUSTS
    TO 70 MPH…AND DANGEROUS LIGHTNING ARE POSSIBLE IN THESE AREAS.

    THE TORNADO WATCH AREA IS APPROXIMATELY ALONG AND 65 STATUTE
    MILES NORTH AND SOUTH OF A LINE FROM 5 MILES SOUTH SOUTHEAST OF
    TRENTON NEW JERSEY TO 80 MILES WEST SOUTHWEST OF MARTINSBURG WEST
    VIRGINIA. FOR A COMPLETE DEPICTION OF THE WATCH SEE THE
    ASSOCIATED WATCH OUTLINE UPDATE (WOUS64 KWNS WOU3).

    REMEMBER…A TORNADO WATCH MEANS CONDITIONS ARE FAVORABLE FOR
    TORNADOES AND SEVERE THUNDERSTORMS IN AND CLOSE TO THE WATCH
    AREA. PERSONS IN THESE AREAS SHOULD BE ON THE LOOKOUT FOR
    THREATENING WEATHER CONDITIONS AND LISTEN FOR LATER STATEMENTS
    AND POSSIBLE WARNINGS.

    OTHER WATCH INFORMATION…CONTINUE…WW 482…

    DISCUSSION…TSTMS/POSSIBLE SUPERCELLS EXPECTED TO INCREASE OVER WW
    THIS AFTERNOON THROUGH THE EVENING AS HEATING CONTINUES IN
    MODERATELY SHEARED /40 KT/ ENVIRONMENT INVOF NW FLOW SHORT WAVE
    TROUGH. WHILE INSTABILITY WILL REMAIN FAIRLY LIMITED…SUBSTANTIAL
    DIRECTIONAL COMPONENT TO DEEP SHEAR WILL FAVOR A SEMI-DISCRETE MODE
    WITH STORMS THAT DO FORM. DECREASING LCLS AND STRENGTHENING LLJ
    INVOF WARM FRONT OVER ERN PA MAY ENHANCE POTENTIAL FOR LOW LVL STORM
    ROTATION INTO EARLY EVENING EWD INTO NJ.

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