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Severe storms/tornado in MD, PA with golfball hail & win

Posted: Thu Jul 01, 2004 2:57 pm
by Guest
SEVERE THUNDERSTORM WARNING
MDC005-012030-

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
348 PM EDT THU JUL 1 2004

...SEVERE THUNDERSTORM WARNING CONTINUES FOR BALTIMORE COUNTY UNTIL
430 PM EDT...

AT 348 PM EDT...DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM 3 MILES
NORTH OF LONG GREEN...MOVING SOUTHEAST AT 10 MPH. THIS STORM HAS
STRENGTHENED IN THE LAST 10 MINUTES.

KINGSVILLE IS NEAR THE PATH OF THIS STORM.

HAIL TO THE SIZE OF GOLFBALLS AND WIND GUSTS TO 60 MPH CAN BE
EXPECTED IN THE WARNED AREA. STAY INDOORS AND AWAY FROM WINDOWS UNTIL
THE STORM HAS PASSED.

RADAR INDICATED SOME ROTATION WITH THIS STORM. PEOPLE NEAR THE PATH
SHOULD GO TO A SAFE PLACE NOW!



Other severe storms have popped up as well from the ne down into the Mid-atlantic. Expect more storms as we continue into late this afternoon/evening.

Posted: Thu Jul 01, 2004 3:10 pm
by weatherfan
check out the storm in Southen PA :eek: that one is showing some signs of rotaion from looking at radar surpise there has it been a warning issued with that one.

Re: Severe storm in Baltimore, MD with golfball hail and win

Posted: Thu Jul 01, 2004 3:17 pm
by elw
That cell only has VILs of 44, but radar did indicate rotation. it also isn't moving that fast, only around 11 Kt. the cell moving into Lancaster county has much higher VILs (around 64), but no rotation right now as of this posting. I would bet that storm is also producing some pretty good sized hail. With max hail size probability is also backing that up. Haven't seen any TVS/ETVS's yet though.

Low level lapse rates are pretty steep, around 8-9 degrees C/km, and large-scale forcing for upward motion is being enhanced by upper divergence courtesy of an upper level jet streak moving southeastward from the Lakes under Mean layer CAPE of 1500-2000 J/kg. I see no reason why these storms won't maintain their intensity into the evening until boundary layer stabilization begins to occur toward nightfall.

Watch for rotation and possible tornadoes in the more discrete cells over Pennsylvania and Maryland.

Posted: Thu Jul 01, 2004 3:19 pm
by Guest
Make that a tornado warning now.

TORNADO WARNING
MDC005-012100-

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
413 PM EDT THU JUL 1 2004

...TORNADO WARNING CONTINUES FOR BALTIMORE COUNTY UNTIL 500 PM EDT...

AT 413 PM EDT... RADAR CONTINUED TO SHOW A SEVERE THUNDERSTORM WITH
STRONG ROTATION NEAR PERRY HALL...MOVING SOUTHEAST AT 10 MPH.

BOWLEYS QUARTERS...KINGSVILLE...MIDDLE RIVER...PERRY HALL AND WHITE
MARSH ARE NEAR THE PATH OF THIS DANGEROUS STORM.

IN ADDITION TO THE TORNADO THREAT...LARGE HAIL AND DAMAGING WINDS CAN
BE EXPECTED WITH THIS STORM. GO TO A SAFE PLACE NOW!

MOTORISTS IN THE PATH OF THIS STORM SHOULD ABANDON VEHICLES FOR MORE
SUBSTANTIAL SHELTER! DO NOT TAKE SHELTER UNDER HIGHWAY OVERPASSES!
TAKE COVER IN A NEARBY STURDY BUILDING. AS A LAST RESORT...TAKE COVER
IN A DITCH OR CULVERT. PROTECT YOUR HEAD AND BODY FROM FLYING DEBRIS!


And the cell in PA is severe as well.

SEVERE THUNDERSTORM WARNING
PAC071-012045-

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE STATE COLLEGE PA
404 PM EDT THU JUL 1 2004


...A SEVERE THUNDERSTORM WARNING CONTINUES FOR LANCASTER COUNTY
UNTIL 445 PM EDT...

AT 400 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
INDICATE A SEVERE THUNDERSTORM FROM NEAR LITITZ AND MANHEIM...TO
JUST NORTH OF EPHRATA AND DENVER. THE STORM WAS MOVING SOUTHEAST AT
10 MPH.

THE MOST INTENSE AND DANGEROUS PART OF THIS STORM IS OVER
LITITZ...AND WILL BE NEAR EAST PETERSBURG AND LEOLA BETWEEN 415 PM
AND 435 PM EDT.

THE SEVERE THUNDERSTORM WILL CONTINUE TO POSE A THREAT TO...
ROTHSVILLE AROUND 410 PM.
AKRON AND EPHRATA AROUND 415 PM.
LANCASTER AROUND 425 PM.
LEOLA AROUND 435 PM.
NEW HOLLAND AROUND 445 PM.

SPOTTERS AND EMERGENCY MANAGEMENT PERSONNEL REPORTED EXTENSIVE WIND
DAMAGE AND LARGE HAIL UP TO ONE INCH IN DIAMETER FROM THIS STORM AS
IT MOVED FROM SOUTHERN LEBANON COUNTY INTO NORTHERN LANCASTER
COUNTY.


Image

Posted: Thu Jul 01, 2004 3:20 pm
by elw
rotation has now been detected in that cell over southeast Pennsylvania.

Posted: Thu Jul 01, 2004 5:15 pm
by Stormchaser16
Is there any program that has good radars, and can tell u where the presence of hail is? I saw something on WWBB with a nexrad radar, but i dont know what program it is...... also i need them to be free if possible