#PAweather #PAwx #OHweather #OHwx #WVweather #WVwx
101
FXUS61 KPBZ 120932
AFDPBZ

Area Forecast Discussion
National Weather Service Pittsburgh PA
532 AM EDT Tue Sep 12 2023

.SYNOPSIS...
Showers and a few storms later today through Wednesday morning
will be followed by mainly dry conditions and below normal
temperatures the remainder of the week and into the weekend.

&&

.NEAR TERM /UNTIL 6 PM THIS EVENING/...
A cold front associated with an upp https://mesonet.agron.iastate.edu/p.php?pid=202309120932-KPBZ-FXUS61-AFDPBZ

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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

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Sorry, product text is unavailable. https://www.wpc.ncep.noaa.gov/archives/web_pages/ero/ero.shtml

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Sorry, product text is unavailable. https://www.wpc.ncep.noaa.gov/archives/web_pages/ero/ero.shtml

#MDweather #DCweather #WVweather #VAweather #MDwx #DCwx #WVwx #VAwx
Sorry, product text is unavailable. https://www.wpc.ncep.noaa.gov/archives/web_pages/ero/ero.shtml

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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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454
CDUS41 KRLX 120713
CLIEKN

CLIMATE REPORT
NATIONAL WEATHER SERVICE CHARLESTON WV
313 AM EDT TUE SEP 12 2023

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

...THE ELKINS WV CLIMATE SUMMARY FOR SEPTEMBER 11 2023...

CLIMATE NORMAL PERIOD: 1991 TO 2020
CLIMATE RECORD PERIOD: 1899 TO 2023

WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST
VALUE (LST) VALUE V https://mesonet.agron.iastate.edu/p.php?pid=202309120713-KRLX-CDUS41-CLIEKN

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683
FXUS61 KRLX 120638
AFDRLX

AREA FORECAST DISCUSSION
National Weather Service Charleston WV
238 AM EDT Tue Sep 12 2023

.SYNOPSIS...
Dry weather holds through tonight, then rain chances return
Tuesday and Wednesday. Dry with high pressure for the balance
of the week then a system arrives early next week.

&&

.NEAR TERM /THROUGH TONIGHT/...
As of 803 PM Monday...

There has been no change to https://mesonet.agron.iastate.edu/p.php?pid=202309120638-KRLX-FXUS61-AFDRLX

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094
FXUS61 KPBZ 120555
AFDPBZ

Area Forecast Discussion
National Weather Service Pittsburgh PA
155 AM EDT Tue Sep 12 2023

.SYNOPSIS...
After a warm, humid and possibly stormy Tuesday, a potent cold
front arrives Tuesday night. Temperature trends much cooler and
fall-like for the rest of the week.

&&

.NEAR TERM /THROUGH TONIGHT/...
A period of mainly clear skies is expected this evening as
di https://mesonet.agron.iastate.edu/p.php?pid=202309120555-KPBZ-FXUS61-AFDPBZ

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037
CDUS41 KPBZ 120534
CLIZZV

CLIMATE REPORT
NATIONAL WEATHER SERVICE PITTSBURGH PA
134 AM EDT TUE SEP 12 2023

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

...THE ZANESVILLE OH CLIMATE SUMMARY FOR SEPTEMBER 11 2023...

CLIMATE NORMAL PERIOD 1991 TO 2020
CLIMATE RECORD PERIOD 1895 TO 2023

WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST
VALUE (LST) VALUE https://mesonet.agron.iastate.edu/p.php?pid=202309120534-KPBZ-CDUS41-CLIZZV

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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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708
FXUS61 KPBZ 120152 AAC
AFDPBZ

Area Forecast Discussion...UPDATED
National Weather Service Pittsburgh PA
952 PM EDT Mon Sep 11 2023

.SYNOPSIS...
After a warm, humid and possibly stormy Tuesday, a potent cold
front arrives Tuesday night. Temperature trends much cooler and
fall-like for the rest of the week.

&&

.NEAR TERM /THROUGH TUESDAY/...
A period of mainly clear skies is expected this https://mesonet.agron.iastate.edu/p.php?pid=202309120152-KPBZ-FXUS61-AFDPBZ-AAC

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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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958
FXUS61 KPBZ 112310 AAB
AFDPBZ

Area Forecast Discussion...UPDATED
National Weather Service Pittsburgh PA
710 PM EDT Mon Sep 11 2023

.SYNOPSIS...
After a pleasant Monday, clouds increase tonight. Tuesday will
be warm and bit more humid with a few isolated to scattered
showers or storms possible during the day before a potent cold
front arrives Tuesday night resulting in periods of rain and https://mesonet.agron.iastate.edu/p.php?pid=202309112310-KPBZ-FXUS61-AFDPBZ-AAB

#WVweather #WVwx
826
FXUS61 KRLX 112304
AFDRLX

AREA FORECAST DISCUSSION
National Weather Service Charleston WV
704 PM EDT Mon Sep 11 2023

.SYNOPSIS...
Dry weather holds through tonight, then rain chances return
Tuesday and Wednesday. Dry for the balance of the week amidst
a slow warming trend after cold frontal passage.

&&

.NEAR TERM /THROUGH TUESDAY/...
As of 100 PM Monday...

A surface ridge slides from we https://mesonet.agron.iastate.edu/p.php?pid=202309112304-KRLX-FXUS61-AFDRLX

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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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990
CDUS41 KPBZ 112125
CLIPIT

CLIMATE REPORT
NATIONAL WEATHER SERVICE PITTSBURGH PA
525 PM EDT MON SEP 11 2023

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

...THE PITTSBURGH PA 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 LAST
https://mesonet.agron.iastate.edu/p.php?pid=202309112125-KPBZ-CDUS41-CLIPIT

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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