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Pittsburgh/Western Pa Weather


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I'm sure you'll all be thrilled to know that I just drove through my first accumulated snow of the season. (And saw my first snow related fender bender.) Not here, but a couple of miles north of here, near the Center Twp exist from 376. I'd have bet against anything sticking to the blacktop at this time of day, but there it was...

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It's nice to see snow in the air.

Snow is starting to pick up a bit here.

Still only sticking on the grassy areas.

I am guessing that after dark as the temps drop we will see our first slick spots on the roads developing.

I'm sure you'll all be thrilled to know that I just drove through my first accumulated snow of the season. (And saw my first snow related fender bender.) Not here, but a couple of miles north of here, near the Center Twp exist from 376. I'd have bet against anything sticking to the blacktop at this time of day, but there it was...

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This week looks like the typical pattern with a "wet" christmas :axe::flood: bah humbug!

Yeah, what a lousy pattern we are in. December 15th - Jan 15th is really the core of winter in terms of perfect conditions for snow accumulation, low sun angel and short daylight hours. Hate to see it go to waste. Even with those light snow fall rates on Saturday we were able to pick up a coating. On the plus side I'm getting some extra mileage out of my balding tires from summer lol.

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Is it December or June?

HAZARDOUS WEATHER OUTLOOK

NATIONAL WEATHER SERVICE PITTSBURGH PA

1145 AM EST WED DEC 21 2011

OHZ039>041-048>050-057>059-068-069-PAZ013-014-020-021-029-031-

WVZ001>004-012-021-022-221645-

TUSCARAWAS-CARROLL-COLUMBIANA-COSHOCTON-HARRISON-JEFFERSON OH-

MUSKINGUM-GUERNSEY-BELMONT-NOBLE-MONROE-LAWRENCE-BUTLER-BEAVER-

ALLEGHENY-WASHINGTON-GREENE-HANCOCK-BROOKE-OHIO-MARSHALL-WETZEL-

MARION-MONONGALIA-

1145 AM EST WED DEC 21 2011

THIS HAZARDOUS WEATHER OUTLOOK IS FOR EAST CENTRAL OHIO...SOUTHWEST

PENNSYLVANIA...WEST CENTRAL PENNSYLVANIA...NORTHERN WEST VIRGINIA

AND NORTHERN PANHANDLE OF WEST VIRGINIA.

.DAY ONE...THIS AFTERNOON AND TONIGHT.

ISOLATED THUNDERSTORMS WILL BE POSSIBLE WITH SHOWERS THIS

AFTERNOON. THERE IS AN ISOLATED THREAT OF DAMAGING WINDS WITH ANY

STORMS THAT ACROSS THE AREA THIS AFTERNOON.

.DAYS TWO THROUGH SEVEN...THURSDAY THROUGH TUESDAY.

NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME.

.SPOTTER INFORMATION STATEMENT...

WEATHER SPOTTERS ARE ENCOURAGED TO REPORT SIGNIFICANT WEATHER

CONDITIONS ACCORDING TO STANDARD OPERATING PROCEDURES.

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SPECIAL WEATHER STATEMENT

NATIONAL WEATHER SERVICE PITTSBURGH PA

310 PM EST WED DEC 21 2011

OHZ050-059-PAZ021-029-073-WVZ002>004-212100-

ALLEGHENY PA-BELMONT OH-BROOKE WV-JEFFERSON OH-MARSHALL WV-OHIO

WV-WASHINGTON PA-WESTMORELAND PA-

310 PM EST WED DEC 21 2011

...GUSTY WIND...

THUNDERSTORM WITH GUSTY WIND TO MOVE THROUGH THE FOLLOWING

COUNTIES...

BELMONT...JEFFERSON...ALLEGHENY...WASHINGTON...WESTMORELAND...OHIO...

MARSHALL AND BROOKE...

AT 304 PM EST NATIONAL WEATHER SERVICE DOPPLER RADAR IN PITTSBURGH

INDICATED A THUNDERSTORM WITH GUSTY WIND OVER BRIDGEPORT...MOVING

NORTHEAST AT 50 MPH. THIS STORM WAS EMBEDDED IN A LINE OF SHOWERS

AND MAY PRODUCE WIND GUSTS OF 45 TO 55 MPH.

SOME LOCATIONS THAT WILL BE IMPACTED BY THESE THUNDERSTORMS

INCLUDE...

WHEELING... MCMECHEN... BETHLEHEM...

BENWOOD... MARTINS FERRY... BRIDGEPORT...

BELLAIRE... WARWOOD... YORKVILLE...

TRIADELPHIA... CLEARVIEW... TILTONSVILLE...

MOVE INDOORS WHEN THUNDERSTORMS APPROACH.

PLEASE REPORT WIND DAMAGE TO THE NATIONAL WEATHER SERVICE BY CALLING

TOLL FREE...1-877-633-6772.

LAT...LON 4044 8001 4024 7979 3998 8077 4014 8088

$$

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Looks to be heading toward Monroeville.

Getting some lightning and thunder here but looks to be staying to my south.

Just like the summer. Always a near miss. :facepalm:

SPECIAL WEATHER STATEMENT

NATIONAL WEATHER SERVICE PITTSBURGH PA

310 PM EST WED DEC 21 2011

OHZ050-059-PAZ021-029-073-WVZ002>004-212100-

ALLEGHENY PA-BELMONT OH-BROOKE WV-JEFFERSON OH-MARSHALL WV-OHIO

WV-WASHINGTON PA-WESTMORELAND PA-

310 PM EST WED DEC 21 2011

...GUSTY WIND...

THUNDERSTORM WITH GUSTY WIND TO MOVE THROUGH THE FOLLOWING

COUNTIES...

BELMONT...JEFFERSON...ALLEGHENY...WASHINGTON...WESTMORELAND...OHIO...

MARSHALL AND BROOKE...

AT 304 PM EST NATIONAL WEATHER SERVICE DOPPLER RADAR IN PITTSBURGH

INDICATED A THUNDERSTORM WITH GUSTY WIND OVER BRIDGEPORT...MOVING

NORTHEAST AT 50 MPH. THIS STORM WAS EMBEDDED IN A LINE OF SHOWERS

AND MAY PRODUCE WIND GUSTS OF 45 TO 55 MPH.

SOME LOCATIONS THAT WILL BE IMPACTED BY THESE THUNDERSTORMS

INCLUDE...

WHEELING... MCMECHEN... BETHLEHEM...

BENWOOD... MARTINS FERRY... BRIDGEPORT...

BELLAIRE... WARWOOD... YORKVILLE...

TRIADELPHIA... CLEARVIEW... TILTONSVILLE...

MOVE INDOORS WHEN THUNDERSTORMS APPROACH.

PLEASE REPORT WIND DAMAGE TO THE NATIONAL WEATHER SERVICE BY CALLING

TOLL FREE...1-877-633-6772.

LAT...LON 4044 8001 4024 7979 3998 8077 4014 8088

$$

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Things better change quick or these mets will have some egg on their face.

Especially Jeff V. expecting a Cold December with well above avg snowfall of 14.5 inches.

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So I was reading back through some of the early PIttsburgh threads on here that Rants and Northpiitsburghweather were on.....it made me laugh, and also, I started to wonder how many names Rants had...I think he might have been northpitts, as well as OHSNOW, and several others, because when reading it, it seems that way...

Pretty amusing.

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Merry Christmas all! If the 0z Euro and 12z NAM/GFS are right, we could have some light snow Tuesday evening. Highest projected total looks to be from the GFS with ~1-3" of snow in the PIT metro. Euro and NAM have less precip after the changeover. Bears some watching.

I was talking with Mag in the Central PA thread last nigh....he seems to think that we get a bout .7 with last nights Euro, with a good portion of that snow.

This is our most promising threat of the year by a large margin...12z GFS looks fairly cold most of the way, though I'm sure surface temps might be a problem. I would still think an advisory level snow.

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This winter so far reminds me of the NFL lockout....waiting for the gates to open and the season to begin. It's like we had one preseason game in October and that was it.

Tuesday night looks interesting....

.SHORT TERM /MONDAY NIGHT THROUGH WEDNESDAY/...

STILL MUCH UNCERTAINTY IN REGARDS TO THE SURFACE LOW PRESSURE

SYSTEM THAT IS PROGGED TO DEVELOP OVER TEXAS AND MOVE ALONG THE

WESTERN SIDE OF THE APPALACHIANS...AT LEAST BASED OFF OF THE MOST

CURRENT MODEL RUNS. IN GENERAL...STRONG WAA AND MOISTURE

TRANSPORT FROM THE GULF SHOULD ALLOW FOR PRECIPITATION TO START

OUT MAINLY AS RAIN OR A RAIN-SNOW MIX...WITH THE EXCEPTION OF SOME

OF THE NORTHERN COUNTIES WHERE PRECIP COULD REMAIN SNOW.

UPPER LEVEL JET PHASING WILL HELP TO ENHANCE PRECIPITATION LATER

TUESDAY. WHILE MOST OF THE MODELS SUGGEST THE LOW WILL REMAIN FAIRLY

PROGRESSIVE AS THE WAVE REMAINS OPEN AT THE MID AND UPPER

LEVELS...THERE IS STILL SOME UNCERTAINTY ON WHEN PRECIP COULD

CHANGEOVER TO SNOW AS THE LOW REDEVELOPS AND STRENGTHENS ALONG THE MID-

ATLANTIC STATES. THE MOST RECENT RUNS OF THE GFS AND ECMWF HAVE

TRENDED MORE TOWARDS THE COOLER SIDE...WITH 1000-500 THICKNESS

VALUES BELOW 540DAM BY TUESDAY NIGHT. IN ADDITION, THE 1000-850MB

THICKNESS VALUES DROP BELOW 1300DAM TUESDAY AFTERNOON...BEFORE THE

HEAVIEST PRECIPITATION HAS MOVED OUT. WILL CONTINUE TO MENTION THE

CHANCE FOR ACCUMULATING SNOW...TUESDAY NIGHT INTO WEDNESDAY

MORNING BEFORE THE LOW PULLS OUT. NORTHWEST FLOW AND CAA BEHIND

THE LOW SHOULD KEEP CLOUD COVER AND LIGHT SNOW CHANCES WEDNESDAY

MORNING BEFORE HIGH PRESSURE BUILDS IN AND WINDS SHIFT MORE

WESTERLY.

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On my way up to Southwest New York for the rest of this week tomorrow.

I hope you guys can get some decent snow starting on Tuesday. Looks like a really good chance where I am going.

We shall see. Good luck to all and a Merry Christmas and a snowy New Year!

Have a safe trip man. Since you'll be out of your North Hills screw zone, maybe you'll see some decent snow from this one! lol

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Decent Discussion this morning.

.SHORT TERM /6 PM THIS EVENING THROUGH WEDNESDAY/...

VERY DIFFICULT FORECAST TUESDAY AND TUESDAY NIGHT.

AT THE SFC, HIGH PRESSURE WILL MOVE OFF THE VA COAST LATE

TONIGHT. A SFC LOW WILL DEVELOP OVER THE GULF COAST STATES AND

MOVE INTO THE TN VALLEY BY DAWN TUESDAY.

AT THE UPPER LEVELS, EASTERN RIDGE WILL BEGIN TO BREAK DOWN

TONIGHT AS UL ENERGY MOVE ACROSS THE MIDWEST. ALSO, UL LOW WILL

MOVE ACROSS THE GULF COAST STATES. THESE TWO PIECES OF ENERGY WILL

BE EXTREMELY IMPORTANT TO TUESDAY`S FORECAST. THE NORTHERN

DISTURBANCE WILL HELP TO PUSH COLDER AIR TOWARD THE REGION. THE

SOUTHERN DISTURBANCE WILL PUSH MOISTURE NORTHWARD AND ALSO DEVELOP

THE SFC LOW. AT THIS POINT, IT APPEARS THAT THE SOUTHERN ENERGY

WILL WIN THE RACE INTO THE AREA.

WHAT THIS MEANS FOR THE FORECAST, IS MORE OF A RAIN EVENT ON

TUESDAY AS THE WARMER AIR WILL INITIALLY COVER THE AREA.

THE FIRST QUESTION TO DEAL WITH IS HOW QUICKLY WILL THE

PRECIPITATION BEGIN. MODELS CONTINUE TO SLOW THE ONSET OF

PRECIPITATION AS THE VERY DRY AIR MASS OVER THE MID-ATLANTIC WILL

NOT EASILY BE MOVED. WILL HOLD OFF ON A MENTION OF POPS UNTIL JUST

BEFORE DAWN TUESDAY OVER THE WEST. ON TUESDAY MORNING, WILL

INCREASE POPS FROM WEST TO EAST AS THE PRECIP SHIELD COVERS THE

ENTIRE AREA. CURRENT BELIEF IS THAT PRECIP WILL BEGIN AS RAIN AS

IT MOVES INTO THE AREA. HOWEVER, AS COLDER AIR MOVES ACROSS THE

MIDWEST, IT APPEARS THAT A MIX OF RAIN AND SNOW IS A GOOD

POSSIBILITY ACROSS THE NORTH AND WEST AS THE DAY PROGRESSES.

THE COLDER AIR SHOULD FINALLY OVERTAKE THE REGION TUESDAY EVENING ON

THE HEELS OF A SFC COLD FRONT. THIS WILL BRING A CHANGE OVER TO

ALL SNOW DURING THE EVENING HOURS. TIMING HERE IS STILL A BIG

QUESTION AS THERE CONTINUE TO BE MODEL DISCREPANCIES AND MANY

VARIABLES CONTRIBUTING TO THE COLD AIR INTRUSION.

RIGHT AFTER 00Z WED, MODELS ARE INDICATING A DEFORMATION ZONE

AND AREA OF MID-LEVEL FRONTOGENESIS DEVELOPING AND SWINGING

THROUGH THE AREA. THESE FEATURES HINT AT THE POSSIBILITY OF A

BAND OF ACCUMULATING SNOW DEVELOPING AND ROTATING THROUGH THE

AREA.

SFC LOW WILL DEEPEN OVER SE PA TUESDAY EVENING AND MOVE RAPIDLY

TOWARD THE NE. WITH THE SFC SYSTEM INCREASING FORWARD SPEED,

EXPECT THE SNOW TO TAPER OFF QUICKLY LATE TUESDAY NIGHT.

SFC HIGH WILL BUILD IN ON WEDNESDAY. TEMPERATURES WILL BE BELOW

NORMAL BUT CONDITIONS SHOULD BE DRY.

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