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Severe Storm Outlook Narrative (AC)
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000
ACUS11 KWNS 220030
SWOMCD
SPC MCD 220029
MAZ000-NHZ000-RIZ000-CTZ000-VTZ000-NYZ000-PAZ000-220130-

MESOSCALE DISCUSSION 0763
NWS STORM PREDICTION CENTER NORMAN OK
0729 PM CDT TUE MAY 21 2013

AREAS AFFECTED...UPSTATE NY / SRN PARTS OF VT AND NH / WRN AND CNTRL
MA / NRN PARTS OF CT AND RI

CONCERNING...SEVERE THUNDERSTORM WATCH 203...204...

VALID 220029Z - 220130Z

THE SEVERE WEATHER THREAT FOR SEVERE THUNDERSTORM WATCH
203...204...CONTINUES.

SUMMARY...THE THREAT FOR DAMAGING WINDS AND HAIL MAY CONTINUE BEYOND
THE 01Z EXPIRATION OF SEVERE THUNDERSTORM WATCHES 203 AND 204.  A
LOCAL EXTENSION OF PORTIONS OF WW 203 AREA MAY BE NECESSARY.

DISCUSSION...AS OF 00Z...REGIONAL RADAR IMAGERY SHOWED A LOOSELY
ORGANIZED MCS FROM CLINTON AND ESSEX COUNTIES TO MADISON AND
CHENANGO COUNTIES IN NY WITH AN EWD SYSTEM MOTION OF 35-40 KT.
WHILE THE NRN EXTENT OF THIS MCS WILL MOVE INTO A PROGRESSIVELY
COOLER AND MORE STABLE AIR MASS IN PLACE OVER NRN VT...THE SRN
PORTION WILL MAINTAIN AN INFLOW OF AT LEAST MODEST INSTABILITY /SEE
00Z ALB SOUNDING/...SUGGESTING A CONTINUED DAMAGING WIND AND HAIL
THREAT AS IT MOVES INTO THE HUDSON VALLEY.  OVER WRN AND CNTRL PARTS
OF NY...ISOLATED OCCURRENCES OF MARGINALLY SEVERE HAIL WILL REMAIN
POSSIBLE OVER THE NEXT HOUR OR TWO WITH STORMS DEVELOPING ALONG THE
OUTFLOW BOUNDARY TRAILING THE MCS.

..MEAD.. 05/22/2013

...PLEASE SEE WWW.SPC.NOAA.GOV FOR GRAPHIC PRODUCT...

ATTN...WFO...BOX...BTV...OKX...ALY...BGM...BUF...

LAT...LON   43177877 43307690 43587522 44027437 43787331 43337307
            43007213 42407161 41897151 41677217 41577387 41677490
            42147568 42077718 42197811 42167886 42447916 42927886
            43177877

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