Jump to content
  • Member Statistics

    17,587
    Total Members
    7,904
    Most Online
    LopezElliana
    Newest Member
    LopezElliana
    Joined

September 2012 obs/discussion


Ian

Recommended Posts

  • Replies 730
  • Created
  • Last Reply

URGENT - IMMEDIATE BROADCAST REQUESTED

SEVERE THUNDERSTORM WATCH NUMBER 654

NWS STORM PREDICTION CENTER NORMAN OK

635 PM EDT THU SEP 27 2012

THE NWS STORM PREDICTION CENTER HAS ISSUED A

SEVERE THUNDERSTORM WATCH FOR PORTIONS OF

DISTRICT OF COLUMBIA

PARTS OF MARYLAND

NORTHERN VIRGINIA

EASTERN WEST VIRGINIA PANHANDLE

COASTAL WATERS

EFFECTIVE THIS THURSDAY NIGHT FROM 635 PM UNTIL MIDNIGHT EDT.

HAIL TO 1.5 INCHES IN DIAMETER...THUNDERSTORM WIND GUSTS TO 70

MPH...AND DANGEROUS LIGHTNING ARE POSSIBLE IN THESE AREAS.

THE SEVERE THUNDERSTORM WATCH AREA IS APPROXIMATELY ALONG AND 35

STATUTE MILES EITHER SIDE OF A LINE FROM 25 MILES SOUTH SOUTHEAST

OF BALTIMORE MARYLAND TO 65 MILES WEST SOUTHWEST OF WASHINGTON

DISTRICT OF COLUM. FOR A COMPLETE DEPICTION OF THE WATCH SEE THE

ASSOCIATED WATCH OUTLINE UPDATE (WOUS64 KWNS WOU4).

REMEMBER...A SEVERE THUNDERSTORM WATCH MEANS CONDITIONS ARE

FAVORABLE FOR 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. SEVERE THUNDERSTORMS CAN AND OCCASIONALLY

DO PRODUCE TORNADOES.

DISCUSSION...A SMALL CUSTER OF PERSISTENT AND ORGANIZED STORMS

CONTINUES TO MOVE EAST ACROSS NRN VA THIS EVENING ASSOCIATED WITH AN

APPROACHING LOW-AMPLITUDE SHORT WAVE TROUGH CROSSING THE

APPALACHIANS. LIFT WITH THE SHORT WAVE WAS ARRIVING COINCIDENT WITH

DIURNAL MAXIMUM IN INSTABILITY ACROSS THE REGION AND THIS WILL

LIKELY SUSTAIN THE PROSPECTS FOR STRONG TO SEVERE STORMS EAST ACROSS

THE AREA INTO THE EVENING HOURS. A VEERED DEEP-LAYER WIND PROFILE

EVIDENT ON LWX VWP WAS RESULTING IN ADEQUATE SR FLOW AND SHEAR FOR

UPDRAFTS TO ACQUIRE OCCASIONAL MODEST ROTATION AND LARGE HAIL HAS

BEEN REPORTED FROM A COUPLE OF THE CELLS MOVING ACROSS THE WV/VA

BORDER.

Link to comment
Share on other sites

photos of the storm that passed just north of Charles Town:

a few minutes of video of the storm after it dissipated (over our neighborhood) with some rotation still evident:

[i'll have to figure out a different way later when i get back from dinner]

photo of the back of the dying storm from our deck (way too close for comfort while it was cranking):

Very nice pics wtrix

Link to comment
Share on other sites

Archived

This topic is now archived and is closed to further replies.

  • Recently Browsing   0 members

    • No registered users viewing this page.

×
×
  • Create New...