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August 2012 Obs/Disc


Ellinwood

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TORNADO WARNING

MDC005-261715-

/O.NEW.KLWX.TO.W.0035.120826T1651Z-120826T1715Z/

BULLETIN - EAS ACTIVATION REQUESTED

TORNADO WARNING

NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC

1251 PM EDT SUN AUG 26 2012

THE NATIONAL WEATHER SERVICE IN STERLING VIRGINIA HAS ISSUED A

* TORNADO WARNING FOR...

WESTERN BALTIMORE COUNTY IN NORTHERN MARYLAND...

* UNTIL 115 PM EDT

* AT 1251 PM EDT...A SEVERE THUNDERSTORM CAPABLE OF PRODUCING A

TORNADO WAS OVER WESTERN BALTIMORE COUNTY...OR NEAR PIKESVILLE...

AND WAS MOVING NORTH AT 15 MPH.

* LOCATIONS IMPACTED INCLUDE...

GLYNDON...

BORING...

BUTLER...

UPPERCO...

PRECAUTIONARY/PREPAREDNESS ACTIONS...

TAKE COVER NOW. MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF A

STURDY BUILDING AND AVOID WINDOWS. IF OUTDOORS OR IN A MOBILE HOME OR

VEHICLE...MOVE TO THE CLOSEST SUBSTANTIAL SHELTER AND PROTECT

YOURSELF FROM FLYING DEBRIS.

THIS TORNADO MAY BE WRAPPED IN RAIN AND HARD TO SEE. TAKE COVER NOW.

&&

LAT...LON 3952 7685 3957 7683 3956 7669 3941 7670

3940 7676

TIME...MOT...LOC 1652Z 163DEG 15KT 3943 7674

$$

GMS

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Didn't see this posted

MESOSCALE DISCUSSION 1814

NWS STORM PREDICTION CENTER NORMAN OK

1152 AM CDT SUN AUG 26 2012

AREAS AFFECTED...DELMARVA REGION

CONCERNING...SEVERE POTENTIAL...WATCH UNLIKELY

VALID 261652Z - 261815Z

PROBABILITY OF WATCH ISSUANCE...20 PERCENT

SUMMARY...THUNDERSTORM CLUSTERS OCCURRING OVER THE DELMARVA REGION

WILL POSE A MARGINAL THREAT FOR A TORNADO OR TWO AND ISOLATED

DAMAGING WIND GUSTS THIS AFTERNOON. SVR WEATHER POTENTIAL IS

EXPECTED TO BE TOO LOW FOR A WW.

DISCUSSION...MIDDAY WV IMAGERY SHOWS A COMPACT UPPER VORT MAX

LIFTING NWD INTO THE DELMARVA REGION. SURFACE AIRMASS AHEAD OF THIS

FEATURE IS CHARACTERIZED BY TEMPERATURES IN THE 70S TO LOW 80S

/WHERE BREAKS IN CLOUD COVER HAVE ALLOWED STRONGER HEATING TO OCCUR/

AND DEWPOINTS IN THE LOW 70S. THE WARM/MOIST CONDITIONS AT THE

SURFACE ARE AIDING IN AN AXIS OF MLCAPE VALUES FROM 500-1500 J/KG

NOSING NWWD FROM SERN MD INTO FAR SRN PA. THE UNSTABLE ENVIRONMENT

AND UPPER SUPPORT ASSOCIATED WITH THE APPROACHING TROUGH HAS LED TO

RAPID DEVELOPMENT OF SCATTERED THUNDERSTORMS...WHICH ARE GENERALLY

MOVING N-NWWD AT 20-25 KT. MEANWHILE...AREA OF HIGH PRESSURE OVER

NEW ENGLAND IS FOCUSING E-SELY LOW-LEVEL FLOW OVER THE DELMARVA

REGION...WHICH VEERS TO SLY IN THE MIDLEVELS. THESE WIND FIELDS ARE

RESULTING IN SHEAR PROFILES FAVORABLE FOR ROTATING

THUNDERSTORMS...WHICH MAY POSE A THREAT FOR A TORNADO/WATERSPOUT OR

TWO AS WELL AS ISOLATED DAMAGING WIND GUSTS. HOWEVER...THE SVR

WEATHER THREAT IS EXPECTED TO BE LIMITED AND MARGINAL THROUGH THE

AFTERNOON...WHICH SHOULD PRECLUDE THE NEED FOR A WW.

..GARNER/WEISS.. 08/26/2012

ATTN...WFO...PHI...AKQ...CTP...LWX...

LAT...LON 37727680 39157839 39857793 39607599 38327504 37727680

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BULLETIN - EAS ACTIVATION REQUESTED

SEVERE THUNDERSTORM WARNING

NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC

152 PM EDT SUN AUG 26 2012

THE NATIONAL WEATHER SERVICE IN STERLING VIRGINIA HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...

SOUTHERN BALTIMORE COUNTY IN NORTHERN MARYLAND...

BALTIMORE CITY IN NORTHERN MARYLAND...

NORTHERN ANNE ARUNDEL COUNTY IN CENTRAL MARYLAND...

EASTERN HOWARD COUNTY IN CENTRAL MARYLAND...

* UNTIL 245 PM EDT

* AT 149 PM EDT...SEVERE THUNDERSTORMS WERE DETECTED ALONG A LINE

EXTENDING FROM FORT MEADE TO PAROLE...AND WERE MOVING NORTH AT 15

MPH. THIS LINE OF STORMS IS CAPABLE OF PRODUCING DAMAGING WINDS IN

EXCESS OF 60 MPH.

* LOCATIONS IMPACTED INCLUDE...

FORT MEADE...

SEVERNA PARK...

SEVERN...

PASADENA...

SOUTH GATE...

GREEN HAVEN...

RIVERIA BEACH...

BWI AIRPORT ...

FERNDALE...

GLEN BURNIE...

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