SWODY2
SPC AC 091626
DAY 2 CONVECTIVE OUTLOOK
NWS STORM PREDICTION CENTER NORMAN OK
1126 AM CDT FRI SEP 09 2011
VALID 101200Z - 111200Z
...NO SVR TSTM AREAS FORECAST...
...SYNOPSIS...
PRIMARILY WEAK/NON-SEVERE THUNDERSTORMS WILL BE POSSIBLE ACROSS
PORTIONS OF THE CONUS ON SATURDAY AS INSTABILITY REMAINS RELATIVELY
WEAK.
THE UPPER AIR PATTERN WILL FEATURE A QUASI-STATIONARY UPPER LOW
CENTERED OVER THE MID MS VALLEY/OH VALLEY REGION WITH A WEAK SURFACE
LOW AS WELL. WITH HIGH PRESSURE OVER THE GULF COAST AND SERN
STATES...ONLY LIMITED MOISTURE WILL BE AVAILABLE FOR STORMS DESPITE
RELATIVELY COOL LAPSE RATES ALOFT. THIS...ALONG WITH WEAK
SHEAR...WILL YIELD GENERAL THUNDERSTORMS WITH RAIN.
TO THE W...ANOTHER UPPER LOW IS FORECAST TO BE OVER SWRN CA...WHERE
A FEW STRONG STORMS COULD OCCUR.
...MUCH OF CNTRL/INTERIOR CA INTO THE SIERRA...
AFOREMENTIONED UPPER LOW WILL CONTRIBUTE TO STEEP LAPSE RATE
PROFILES AND MUCAPE AROUND 500 J/KG SEEMS PROBABLE BY AFTERNOON.
LITTLE CIN WILL EXIST BY PEAK HEATING AND INVERTED-V PROFILES WILL
EXIST AS WELL. STORMS MAY FORM OVER SERN CA WHERE ELY LOW LEVEL
WINDS WILL EXIST...AND ALSO FAVORING THE SIERRA AND POSSIBLY OVER
THE COASTAL RANGE AS WELL. STEERING CURRENTS WILL BE WEAK...AND
STORMS SHOULD BE PULSE IN NATURE. ANY STORMS WILL HAVE THE
CAPABILITY TO PRODUCE GUSTY WINDS...AND PERHAPS SMALL HAIL MAINLY IN
THE MTNS.
..JEWELL.. 09/09/2011
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