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Mid-Atlantic September Obs


SoCoWx

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^^ Of the summer ^^ Not sure why I wrote yr.Maybe after a brutal summer & days of rain, mid 70's with a light breeze felt better than it otherwise would.  And to be honest dry air isn't my thing.

It wasn't in the mid 70s at 6:45. Sorry. And there have been nicer days this summer. But hey. It's a nice night. So enjoy.

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SPC - see text

...MID ATLANTIC STATES...

PERSISTENT UPPER LOW OVER THE MID MS AND OH VALLEYS WILL MAINTAIN A

RISK OF SCATTERED SHOWERS AND THUNDERSTORMS FROM MS/AL NORTHEASTWARD

INTO PA/NY AND THE MID ATLANTIC STATES. WATER VAPOR IMAGERY

SUGGESTS MULTIPLE WEAK DISTURBANCES WILL EJECT NORTHEASTWARD INTO

THE MID ATLANTIC STATES LATER TODAY...WHERE MODELS ARE IN GENERAL

AGREEMENT THAT AFTERNOON STORMS WILL OCCUR. CONVECTION WILL LIKELY

FORM OVER THE HIGHER TERRAIN OF EASTERN WV/WESTERN VA AND SPREAD

SLOWLY EASTWARD TOWARD THE DELMARVA REGION THIS EVENING. STEEPENING

LAPSE RATES AND STRONG HEATING SUGGEST SOME RISK OF ORGANIZED

MULTICELL STORMS CAPABLE OF GUSTY WINDS AND HAIL. HOWEVER...WEAK

LOW LEVEL WINDS AND MARGINAL DEEP LAYER VERTICAL SHEAR SUGGEST THAT

THE COVERAGE OF INTENSE STORMS WILL BE QUITE LOW.

12z local run 4km WRFs are stormy

ARW

post-1746-0-32197000-1315760467.gif

NMM

post-1746-0-14361800-1315760480.gif

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308 PM EDT SUN SEP 11 2011  

THE NATIONAL WEATHER SERVICE IN STERLING VIRGINIA HAS ISSUED A  * SEVERE THUNDERSTORM WARNING

FOR...   EASTERN HOWARD COUNTY IN CENTRAL MARYLAND...   NORTHWESTERN ANNE ARUNDEL COUNTY IN CENTRAL MARYLAND...  

* UNTIL 330 PM EDT  * AT 302 PM EDT...

NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A   SEVERE THUNDERSTORM CAPABLE OF PRODUCING HAIL UP TO THE SIZE OF   QUARTERS AND DAMAGING WINDS IN EXCESS OF 60 MPH.  THIS STORM WAS   LOCATED NEAR BWI AIRPORT...OR NEAR ELKRIDGE...AND MOVING EAST AT   15 MPH.  

* LOCATIONS IMPACTED INCLUDE...   BWI AIRPORT...   FERNDALE...   GLEN BURNIE...   SOUTH GATE...   GREEN HAVEN...   PASADENA...  PRECAUTIONARY/PREPAREDNESS ACTIONS... 

THIS IS A DANGEROUS STORM. IF YOU ARE IN ITS PATH...PREPARE IMMEDIATELY FOR DAMAGING WIND GUSTS...LARGE HAIL AND FREQUENT CLOUD TO GROUND LIGHTNING. MOVE INDOORS TO A STURDY BUILDING AND STAY AWAY FROM WINDOWS.

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BULLETIN - EAS ACTIVATION REQUESTED

SEVERE THUNDERSTORM WARNING

NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC

330 PM EDT SUN SEP 11 2011

THE NATIONAL WEATHER SERVICE IN STERLING VIRGINIA HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...

NORTHEASTERN ANNE ARUNDEL COUNTY IN CENTRAL MARYLAND...

* UNTIL 415 PM EDT

* AT 320 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A

SEVERE THUNDERSTORM CAPABLE OF PRODUCING DAMAGING WINDS IN EXCESS

OF 60 MPH. THIS STORM WAS LOCATED NEAR FERNDALE...OR NEAR

BWI AIRPORT...AND MOVING EAST AT 15 MPH. HAIL IS ALSO POSSIBLE WITH

THIS STORM.

* LOCATIONS IMPACTED INCLUDE...

SEVERNA PARK...

GREEN HAVEN...

PASADENA...

RIVERIA BEACH...

FORT SMALLWOOD STATE PARK...

LAKE SHORE...

SILLERY BAY...

BODKIN POINT...

PINEHURST...

GIBSON ISLAND...

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BULLETIN - EAS ACTIVATION REQUESTED

SEVERE THUNDERSTORM WARNING

NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC

330 PM EDT SUN SEP 11 2011

Major bust on this in HoCo. This smallish tstorm had already moved out of the county, and skies became sunny. An EAS activation for such on any day, much less 9/11, is an excellent example of why Warning Fatigue is an issue.

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