SWOMCD
SPC MCD 281732
IDZ000-UTZ000-NVZ000-281900-
MESOSCALE DISCUSSION 1071
NWS STORM PREDICTION CENTER NORMAN OK
1232 PM CDT WED MAY 28 2008
AREAS AFFECTED...NE NV...SRN ID...NW UT
CONCERNING...SEVERE POTENTIAL...WATCH UNLIKELY
VALID 281732Z - 281900Z
THUNDERSTORMS SHOULD GRADUALLY INCREASE IN COVERAGE ACROSS NRN
NV..NW UT AND SRN ID OVER THE NEXT FEW HOURS. A MARGINAL HAIL THREAT
WILL BE POSSIBLE WITH THE STRONGER CELLS. A WW IS NOT ANTICIPATED
ACROSS THE REGION.
LATEST SFC ANALYSIS ACROSS THE REGION SHOWS A LOW OVER NW UT WITH
SFC DEWPOINTS IN THE 40S IN THE LOWER ELEVATIONS. SFC TEMPERATURES
HAVE WARMED TO NEAR 60 F IN MANY AREAS AND WEAK INSTABILITY IS NOW
PRESENT WITH SBCAPES GENERALLY IN THE 800 TO 1200 J/KG RANGE. IN
ADDITION...THE LATEST OBJECTIVE RUC GUIDANCE SHOWS AN AREA WITH
STEEP MID-LEVEL LAPSE RATES EXCEEDING 7.5 C/KM FROM ERN NV ACROSS
NRN UT INTO SRN AND ERN ID. THIS ALONG WITH COLD AIR ALOFT EVIDENT
ON REGIONAL MORNING SOUNDINGS /500 MB TEMPS OF -17C TO -19C/ SUGGEST
A MARGINAL HAIL THREAT MAY DEVELOP WITH THE STRONGER CELLS THIS
AFTERNOON.
..BROYLES.. 05/28/2008
...PLEASE SEE WWW.SPC.NOAA.GOV FOR GRAPHIC PRODUCT...
ATTN...WFO...SLC...PIH...BOI...LKN...REV...
41741158 39651538 39731682 40001764 40441775 41491716
42191658 42601602 42821551 42901483 42971397 43571236
42931131
+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-
To unsubscribe from WX-STORM send e-mail to LISTSERV@PO.UIUC.EDU with
"unsub wx-storm" in the body of your message. For more information write cnovy@cox.net.
No comments:
Post a Comment