#LWX #WX #DCwx

#MDweather #DCweather #WVweather #VAweather #MDwx #DCwx #WVwx #VAwx
057
FLUS41 KLWX 120921
HWOLWX

Hazardous Weather Outlook
National Weather Service Baltimore MD/Washington DC
521 AM EDT Tue Sep 12 2023

ANZ530>543-DCZ001-MDZ008-011-013-014-016>018-504-506-508-
VAZ053>057-527-131000-
Chesapeake Bay north of Pooles Island MD-
Chesapeake Bay from Pooles Island to Sandy Point MD-
Chesapeake Bay from Sandy Point to North Beach MD-
Chesapeake Bay from North Beach to https://mesonet.agron.iastate.edu/p.php?pid=202309120921-KLWX-FLUS41-HWOLWX

#MDweather #DCweather #WVweather #VAweather #MDwx #DCwx #WVwx #VAwx
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#MDweather #DCweather #WVweather #VAweather #MDwx #DCwx #WVwx #VAwx
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049
FXUS61 KLWX 120747
AFDLWX

Area Forecast Discussion
National Weather Service Baltimore MD/Washington DC
347 AM EDT Tue Sep 12 2023

.SYNOPSIS...
A boundary will remain nearby through this evening before moving
to the east as a cool front later tonight. A stronger cold front
and its associated upper-level trough will pass through the
area later Wednesday into Wednesday night. Canadian high
p https://mesonet.agron.iastate.edu/p.php?pid=202309120747-KLWX-FXUS61-AFDLWX

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758
SXUS71 KLWX 120526
RERIAD

RECORD EVENT REPORT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
0123 AM EDT TUE SEP 12 2023

...RECORD DAILY MAXIMUM RAINFALL SET AT WASHINGTON DULLES DC...

A RECORD RAINFALL OF 1.45 INCHES WAS SET AT WASHINGTON DULLES DC
YESTERDAY. THIS BREAKS THE OLD RECORD OF 0.72 INCHES SET IN 1987.

WEATHER RECORDS FOR THE DULLES VA AREA HAVE BEEN RECORDED AT WHAT IS https://mesonet.agron.iastate.edu/p.php?pid=202309120523-KLWX-SXUS71-RERIAD

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460
CDUS41 KLWX 120523
CLIHGR

CLIMATE REPORT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
123 AM EDT TUE SEP 12 2023

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

...THE HAGERSTOWN MD CLIMATE SUMMARY FOR SEPTEMBER 11 2023...

CLIMATE NORMAL PERIOD: 1991 TO 2020
CLIMATE RECORD PERIOD: 1998 TO 2023

WEATHER ITEM OBSERVED TIME NORMAL DEPARTURE LAST
VALUE (L https://mesonet.agron.iastate.edu/p.php?pid=202309120523-KLWX-CDUS41-CLIHGR

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102
NWUS51 KLWX 120256
LSRLWX

Preliminary Local Storm Report...Corrected
National Weather Service Baltimore MD/Washington DC
1056 PM EDT Mon Sep 11 2023

..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..

0935 PM Flood Stanardsville 38.30N 78.44W
09/10/2023 https://mesonet.agron.iastate.edu/lsr/#LWX/202309110135/202309110135

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204
FXUS61 KLWX 120123
AFDLWX

Area Forecast Discussion
National Weather Service Baltimore MD/Washington DC
923 PM EDT Mon Sep 11 2023

.SYNOPSIS...
A nearly stationary boundary will remain off to the east through
midday Tuesday before dissipating. A strong cold front and its
associated upper-level trough pass through the area Wednesday.
Canadian high pressure will build overhead for late in th https://mesonet.agron.iastate.edu/p.php?pid=202309120123-KLWX-FXUS61-AFDLWX

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808
CDUS41 KLWX 112124
CLIBWI

CLIMATE REPORT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
524 PM EDT MON SEP 11 2023

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

...THE BALTIMORE MD CLIMATE SUMMARY FOR SEPTEMBER 11 2023...
VALID TODAY AS OF 0500 PM LOCAL TIME.

CLIMATE NORMAL PERIOD: 1991 TO 2020
CLIMATE RECORD PERIOD: 1871 TO 2023

WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE https://mesonet.agron.iastate.edu/p.php?pid=202309112124-KLWX-CDUS41-CLIBWI

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523
FPUS71 KLWX 112121
NOWLWX

Short Term Forecast
National Weather Service Baltimore MD/Washington DC
521 PM EDT Mon Sep 11 2023

MDZ008-112145-
Cecil-
521 PM EDT Mon Sep 11 2023

.NOW...

At 521 PM EDT, Doppler radar indicated a strong thunderstorm over
Cherry Hill, or near Elkton, moving east at 15 mph.

Gusty winds of 30 to 45 mph are possible with this storm.

Locations impacted include...
E https://mesonet.agron.iastate.edu/p.php?pid=202309112121-KLWX-FPUS71-NOWLWX

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841
FZUS71 KLWX 112102
MWSLWX

Marine Weather Statement
National Weather Service Baltimore MD/Washington DC
502 PM EDT Mon Sep 11 2023

ANZ531-532-539-540-112112-
/O.CAN.KLWX.MA.W.0254.000000T0000Z-230911T2130Z/
502 PM EDT Mon Sep 11 2023

...THE SPECIAL MARINE WARNING IS CANCELLED...

The affected areas were...
Chesapeake Bay from Pooles Island to Sandy Point MD...
Chesapeake Bay from Sandy Poi https://mesonet.agron.iastate.edu/vtec/f/2023-O-CAN-KLWX-MA-W-0254_2023-09-11T21:02Z

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209
WHUS51 KLWX 112023
SMWLWX
ANZ531-532-539-540-112130-
/O.NEW.KLWX.MA.W.0254.230911T2023Z-230911T2130Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Special Marine Warning
National Weather Service Baltimore MD/Washington DC
423 PM EDT Mon Sep 11 2023

The National Weather Service in Sterling Virginia has issued a

* Special Marine Warning for...
Chesapeake Bay from Pooles Island to Sandy Point M https://mesonet.agron.iastate.edu/vtec/f/2023-O-NEW-KLWX-MA-W-0254_2023-09-11T20:23Z

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#LWX #WX #DCwx

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651
FPUS71 KLWX 110952
NOWLWX

Short Term Forecast
National Weather Service Baltimore MD/Washington DC
552 AM EDT Mon Sep 11 2023

MDZ003-502-VAZ025>031-504-WVZ050>053-055-502-504-506-111300-
Washington-Central and Eastern Allegany-Augusta-Rockingham-
Shenandoah-Frederick VA-Page-Warren-Clarke-Eastern Highland-
Hampshire-Morgan-Berkeley-Jefferson-Hardy-Eastern Grant-
Eastern Mineral-Eastern Pendl https://mesonet.agron.iastate.edu/p.php?pid=202309110952-KLWX-FPUS71-NOWLWX

#MDweather #DCweather #WVweather #VAweather #MDwx #DCwx #WVwx #VAwx
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100
FZUS71 KLWX 110927
MWSLWX

Marine Weather Statement
National Weather Service Baltimore MD/Washington DC
527 AM EDT Mon Sep 11 2023

ANZ538-111100-
527 AM EDT Mon Sep 11 2023

A Marine Weather Statement has been issued for the following areas...
Patapsco River including Baltimore Harbor...

At 526 AM EDT, Doppler radar indicated strong thunderstorms, capable
of producing winds to around 30 k https://mesonet.agron.iastate.edu/p.php?pid=202309110927-KLWX-FZUS71-MWSLWX

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#MDweather #DCweather #WVweather #VAweather #MDwx #DCwx #WVwx #VAwx
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