[BNAWX] Severe Storm Outlook Narrative

[EMWIN Server]

ACUS11 KWNS 230447
SWOMCD
SPC MCD 230446
TNZ000-KYZ000-MOZ000-ARZ000-OKZ000-230615-

MESOSCALE DISCUSSION 0880
NWS STORM PREDICTION CENTER NORMAN OK
1146 PM CDT SUN MAY 22 2011

AREAS AFFECTED...ERN OK THROUGH NRN AR

CONCERNING...TORNADO WATCH 334...

VALID 230446Z - 230615Z

THE SEVERE WEATHER THREAT FOR TORNADO WATCH 334 CONTINUES.

PRIMARY THREAT APPEARS TO HAVE TRANSITIONED TO DAMAGING WIND AND
LARGE HAIL. HOWEVER...ISOLATED TORNADOES REMAIN POSSIBLE. LINE OF
STORMS MAY EVENTUALLY MOVE INTO WRN TN AND ERN PORTION OF WW 335
COULD BE LOCALLY EXTENDED IF NECESSARY.

STORMS CONTINUE DEVELOPING FROM ERN OK THROUGH NRN AR PRIMARILY IN
ASSOCIATION WITH ISENTROPIC LIFT PRODUCED BY A 50 KT SWLY LLJ
INTERACTING WITH PRE-EXISTING OUTFLOW BOUNDARY. STORMS ACROSS NRN AR
HAVE EVOLVED INTO A FORWARD PROPAGATING MCS...AND THESE STORMS ARE
APPROACHING ERN PORTION OF WW 335. SOME THREAT FOR DAMAGING WIND AND
PERHAPS A TORNADO OR TWO COULD CONTINUE AS THE LINE ADVANCES SEWD
THROUGH NERN AR AND WRN TN. OTHER STORMS DEVELOPING ALONG WRN END OF
OUTFLOW BOUNDARY ACROSS NWRN AR HAVE MAINTAINED SUPERCELL
CHARACTERISTICS AND MAY STILL BE CAPABLE OF PRODUCING A COUPLE OF
TORNADOES. HOWEVER...NUMEROUS STORM MERGERS ARE IMMINENT AND THIS
ACTIVITY MAY SOON EVOLVE INTO A SMALL CLUSTER.

..DIAL.. 05/23/2011

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

ATTN...WFO...PAH...MEG...LZK...TSA...

LAT...LON   36399410 35979200 36608993 36468921 35948937 34769169
            35119536 36399410



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