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DC/MD/VA/WV General Obs/Disc - June/early July 2011 edition


Ellinwood

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[size="3"]000
CDUS41 KLWX 092123
CLIDCA


CLIMATE REPORT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
523 PM EDT THU JUN 9 2011


...................................

...THE WASHINGTON NATIONAL DC CLIMATE SUMMARY FOR JUNE 9 2011...
VALID TODAY AS OF 0500 PM LOCAL TIME.

CLIMATE NORMAL PERIOD 1971 TO 2000
CLIMATE RECORD PERIOD 1871 TO 2011


WEATHER ITEM   OBSERVED TIME   RECORD YEAR NORMAL DEPARTURE LAST
               VALUE   (LST)  VALUE       VALUE  FROM      YEAR
                                                 NORMAL
..................................................................
TEMPERATURE (F)
TODAY
 MAXIMUM        102R   234 PM 102    1874  82     20       76
 MINIMUM         79    617 AM  45    1913  63     16       66
                                     1912
                                     1891
 AVERAGE         91                        73     18       71
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I think the folks up in Bluefield are going to have to end their free lemonade promotion everytime the airport (at nearly 3000') hits 90 after this year. Today was the 3rd 90+ up there already. Before this year, since records have been kept at the airport (1959), it had never reached 90 before June 18! I hope they have enough lemonade for the rest of the summer. LOL.

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12z LWX ARW has garden-variety TSTMS popping up in the next few hours throughout the area.

Oddly, it doesn't have the precipitation around Pitt until much too late. HRRR also pops showers in the next couple of hours, but then kind of responds to the MCS over Pennsylvania and focuses the precip on that axis later on.

post-1746-0-52758600-1307727161.png

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MESOSCALE DISCUSSION 1173

NWS STORM PREDICTION CENTER NORMAN OK

0443 PM CDT FRI JUN 10 2011

AREAS AFFECTED...SERN PA...NJ...MD...FAR NRN VA...FAR ERN WV

CONCERNING...SEVERE POTENTIAL...WATCH UNLIKELY

VALID 102143Z - 102300Z

CORRECTED LAST SENTENCE

AN ISOLATED SEVERE THREAT WILL LIKELY CONTINUE FOR A FEW MORE HOURS

ACROSS SRN PA SPREADING EWD INTO NJ AND DEVELOPING SWD INTO NRN MD.

WIND DAMAGE AND HAIL SHOULD BE THE PRIMARY THREATS BUT SHOULD REMAIN

TOO MARGINAL TO WARRANT WW ISSUANCE.

A BROKEN LINE OF THUNDERSTORMS IS ONGOING FROM CNTRL PA SWD INTO FAR

NRN VA ALONG THE NRN EDGE OF MODERATE INSTABILITY. THE STORMS SHOULD

EXPAND IN COVERAGE AS SFC TEMPS CONTINUE TO WARM AND AS LARGE-SCALE

ASCENT INCREASES FROM THE WEST DUE TO A SHORTWAVE TROUGH EVIDENT ON

WATER VAPOR IMAGERY. AS THE STORMS MOVE INTO GREATER INSTABILITY

ACROSS SE PA WHERE LOW-LEVEL LAPSE RATES ARE QUITE STEEP...THE WIND

DAMAGE THREAT MAY PERSIST AND DEVELOP SWD WITH TIME. HAIL MAY ALSO

OCCUR WITH THE MORE INTENSE CELLS. THE COMBINATION OF INSTABILITY

AND DEEP LAYER SHEAR APPEARS ON THE MARGINAL SIDE FOR SEVERE STORMS

AND THE THREATS SHOULD REMAIN ISOLATED.

..BROYLES.. 06/10/2011

ATTN...WFO...OKX...PHI...BGM...CTP...LWX...

LAT...LON 39037816 39037520 39687422 40807429 41127532 41067748

40667835 39917874 39037816

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BULLETIN - EAS ACTIVATION REQUESTED

SEVERE THUNDERSTORM WARNING

NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC

655 PM EDT FRI JUN 10 2011

THE NATIONAL WEATHER SERVICE IN STERLING VIRGINIA HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...

HOWARD COUNTY IN CENTRAL MARYLAND...

ANNE ARUNDEL COUNTY IN CENTRAL MARYLAND...

BALTIMORE COUNTY IN NORTHERN MARYLAND...

BALTIMORE CITY IN NORTHERN MARYLAND...

* UNTIL 745 PM EDT

* AT 653 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 WOODLAWN...OR NEAR BEECHFIELD...AND MOVING SOUTHEAST

AT 5 MPH.

* LOCATIONS IMPACTED INCLUDE...

DRUID HILLS PARK...

CATONSVILLE...

BEECHFIELD...

CANTON...

CARROLL...

GWYNNS FALLS...

ARBUTUS...

ELKRIDGE...

BALTIMORE INNER HARBOR...

PUMPHREY...

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