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Good Chance for Svr Tstms on Sunday 8/21/11


Dark Energy

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CTC001-NYC079-119-211830-

/O.CON.KOKX.SV.W.0092.000000T0000Z-110821T1830Z/

PUTNAM NY-FAIRFIELD CT-WESTCHESTER NY-

157 PM EDT SUN AUG 21 2011

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 230 PM EDT

FOR WESTCHESTER...FAIRFIELD AND PUTNAM COUNTIES...

AT 152 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO

INDICATE A SEVERE THUNDERSTORM CAPABLE OF PRODUCING QUARTER SIZE

HAIL...AND DAMAGING WINDS IN EXCESS OF 60 MPH. THIS STORM WAS

LOCATED NEAR YORKTOWN HEIGHTS...OR NEAR MOUNT KISCO...MOVING

NORTHEAST AT 30 MPH.

OTHER LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO

JEFFERSON VALLEY-YORKTOWN...BEDFORD...GOLDEN'S BRIDGE...MAHOPAC...

CARMEL...RIDGEFIELD...BREWSTER...PEACH LAKE...LAKE CARMEL AND

BREWSTER HILL

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The orientation of the line of thunderstorms over Central PA does not have me excited. These features have a tendency to drop southeast over time and that would leave us high and dry and/or with updraft blowoff. We need the shortwave and forcing to develop new storms to the north and east of that feature in order to get the significant wind damage threat to drop into our area.

Watch the storms currently approaching the Trenton area. I think those are our storms.

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main forcing is with the severe line north of the area, we may get spilt in the middle today.

definitely a possibility based on the current depiction. Still plenty of time and the main forcing is also way back to the west so if we don't get stuff this afternoon...we could throw up a hail mary with a late evening line of storms as well.

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It's possible. There's a significant amount of low level turning that has been pushing these storms almost due north as they reach New Jersey.

That's basically our shot. I think the corridor from Passaic, NJ, up to Westchester and Fairfield may have already had their storms, and find themselves in a screw zone later, while further upstate into CNE get hit hard.

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SEVERE THUNDERSTORM WATCH 794 REMAINS VALID UNTIL 9 PM EDT THIS

EVENING FOR THE FOLLOWING AREAS

IN CONNECTICUT THIS WATCH INCLUDES 4 COUNTIES

IN SOUTHERN CONNECTICUT

FAIRFIELD MIDDLESEX NEW HAVEN

NEW LONDON

IN NEW JERSEY THIS WATCH INCLUDES 5 COUNTIES

IN NORTHEAST NEW JERSEY

BERGEN ESSEX HUDSON

PASSAIC UNION

IN NEW YORK THIS WATCH INCLUDES 11 COUNTIES

IN SOUTHEAST NEW YORK

BRONX KINGS (BROOKLYN) NASSAU

NEW YORK (MANHATTAN) ORANGE PUTNAM

QUEENS RICHMOND (STATEN ISLAND)

ROCKLAND SUFFOLK WESTCHESTER

$$

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The MCS type feature over Central PA is beginning to look a bit better. I'd have to think that if it continues east that it would eventually run into the more unstable air that we've been building now with the full sun. Newark is 86/69 with SW winds on the latest OB..so the morning weak shortwave/convection did not turn the winds southeast..which would have been able to inhibit stuff later on.

Air still has a tropical feel and the shortwave is still back over Central PA. I'm not fully confident we get slammed...but it's not looking too shabby right now. We will see....should be a fun afternoon tracking this with you guys.

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BULLETIN - EAS ACTIVATION REQUESTED

SEVERE THUNDERSTORM WARNING

NATIONAL WEATHER SERVICE NEW YORK NY

215 PM EDT SUN AUG 21 2011

THE NATIONAL WEATHER SERVICE IN UPTON NY HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...

FAIRFIELD COUNTY IN SOUTHERN CONNECTICUT...

PUTNAM COUNTY IN SOUTHEAST NEW YORK...

* UNTIL 300 PM EDT...

* AT 209 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A

SEVERE THUNDERSTORM CAPABLE OF PRODUCING QUARTER SIZE HAIL...AND

DAMAGING WINDS IN EXCESS OF 60 MPH. THIS STORM WAS LOCATED 8 MILES

WEST OF DANBURY...OR NEAR BREWSTER...AND MOVING NORTHEAST AT 40

MPH.

* OTHER LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO

SHERMAN AND NEWTOWN

PRECAUTIONARY/PREPAREDNESS ACTIONS...

THIS IS A DANGEROUS STORM. IF YOU ARE IN ITS PATH...PREPARE

IMMEDIATELY FOR DAMAGING WINDS...DESTRUCTIVE HAIL...AND DEADLY CLOUD

TO GROUND LIGHTNING. PEOPLE OUTSIDE SHOULD MOVE TO A SHELTER...

PREFERABLY INSIDE A STRONG BUILDING BUT AWAY FROM WINDOWS.

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Tornado warning on the MCS in PA

THE NATIONAL WEATHER SERVICE IN STATE COLLEGE PA HAS ISSUED A

* TORNADO WARNING FOR...

NORTHEASTERN MIFFLIN COUNTY IN CENTRAL PENNSYLVANIA...

WEST CENTRAL SNYDER COUNTY IN CENTRAL PENNSYLVANIA...

SOUTHWESTERN UNION COUNTY IN CENTRAL PENNSYLVANIA...

SOUTHEASTERN CENTRE COUNTY IN CENTRAL PENNSYLVANIA...

* UNTIL 245 PM EDT

* AT 212 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A

SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO. THE STORM

CONTAINING THE POSSIBLE TORNADO WAS NEAR CENTRE HALL...MOVING EAST

AT 30 MPH.

* LOCATIONS IN THE WARNING INCLUDE...

SEVEN MOUNTAINS AND MILROY...

POE VALLEY STATE PARK AND REEDS GAP STATE PARK...

SNYDER-MIDDLESWARTH STATE PARK AND WEIKERT...

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