SWOMCD
SPC MCD 251910
NCZ000-SCZ000-GAZ000-252045-
MESOSCALE DISCUSSION 1122
NWS STORM PREDICTION CENTER NORMAN OK
0210 PM CDT FRI JUN 25 2010
AREAS AFFECTED...SERN GA...SERN SC...SERN NC
CONCERNING...SEVERE POTENTIAL...WATCH POSSIBLE
VALID 251910Z - 252045Z
THUNDERSTORM COVERAGE WILL INCREASE THROUGH THE REST OF THE
AFTERNOON. LOCALLY DAMAGING WIND GUSTS AND HEAVY RAINFALL WILL BE
THE MAIN THREATS. AREA WILL BE MONITORED FOR A POSSIBLE WW.
SEA BREEZE CIRCULATION WAS BECOMING EVIDENT PER 18Z SFC OBS WHICH
SHOWED BACKING SFC FLOW NEAR COASTAL AREAS FROM GA TO SRN NC. SOME
STRONG STORMS HAD ALREADY DEVELOPED ALONG A SFC TROF OVER S CNTRL
GA...HIGHLIGHTING THE VERY MOIST /DEW POINTS IN THE LOW/MID 70S/ AND
UNSTABLE AIRMASS /SBCAPE AOA 2500 J/KG/ IN PLACE OVER THE REGION.
GIVEN STEEP LOW LEVEL LAPSE RATES AROUND 8 C/KM AND WELL MIXED LOW
LEVELS...DAMAGING WINDS WILL BE POSSIBLE WITH STRONGEST STORMS. MID
LEVEL LAPSE RATES AROUND 6 C/KM ARE LESS FAVORABLE FOR LARGE HAIL
WITH ONLY MARGINALLY SEVERE HAIL EXPECTED AT BEST. A DEEP MOIST
LAYER ABOVE THE WELL MIXED SFC LAYER WAS EVIDENT IN 12Z RAOB FROM
CHS. GIVEN PW VALUES ABOVE 2 INCHES AND WEAK DEEP LAYER SHEAR AOB 20
KT... SLOW MOVING STORMS WITH VERY HEAVY RAINFALL WILL ALSO BE
LIKELY.
..STOPPKOTTE.. 06/25/2010
...PLEASE SEE WWW.SPC.NOAA.GOV FOR GRAPHIC PRODUCT...
ATTN...WFO...MHX...RAH...ILM...CHS...CAE...JAX...FFC...TAE...
LAT...LON 31068141 30878164 30838248 30868292 31138315 31478310
31988284 32878225 34368052 35057966 35257918 35347849
35177785 34957747 34657746 34627758 34187812 33807883
33297950 32548053 32028103 30988150 31068141
+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-
To unsubscribe from WX-STORM send e-mail to LISTSERV@LISTSERV.ILLINOIS.EDU with
"unsub wx-storm" in the body of your message. For more information write cnovy@cox.net.
No comments:
Post a Comment