[SWODY2] SWODY2

SWODY2 at goshenarc.org SWODY2 at goshenarc.org
Wed Feb 16 17:25:23 UTC 2005


ACUS02 KWNS 161726
SWODY2
SPC AC 161725

DAY 2 CONVECTIVE OUTLOOK  
NWS STORM PREDICTION CENTER NORMAN OK
1125 AM CST WED FEB 16 2005

VALID 171200Z - 181200Z

GEN TSTMS ARE FCST TO THE RIGHT OF A LINE FROM 25 NW SMX 35 NW BFL
35 NNW NID 30 N LAS 10 WNW PGA 30 W FMN 35 S GNT 40 N SAD 70 NNW GBN
25 S BLH 15 SSW IPL.

...NO SVR TSTM AREAS FORECAST...

...SYNOPSIS...
LITTLE CHANGE IN LARGE-SCALE PATTERN WILL OCCUR THIS FORECAST PERIOD
WITH POLAR VORTEX PERSISTING OVER HUDSON BAY...A REX-TYPE BLOCKING
PATTERN OVER THE ERN PACIFIC AND A DOWNSTREAM REGION OF MID-LEVEL
CONFLUENT FLOW OVER THE CNTRL PLAINS INTO MID MS VALLEY. IN THE
LOW-LEVELS...EXPANSIVE RIDGE AXIS WILL BE MAINTAINED FROM CNTRL
CANADA TO THE GULF COAST.

...SRN CA COAST INTO THE DESERT SW...
SEVERAL WEAK PERTURBATIONS ORIGINATING FROM THE BASE OF ERN PACIFIC
MID/UPPER-LEVEL LOW ARE FORECAST TO EJECT NEWD ACROSS SRN CA/BAJA CA
INTO THE DESERT SW AND ADJACENT SRN ROCKIES OVER THE COURSE OF THE
DAY 2 PERIOD. POTENTIAL FOR ISOLATED TO WIDELY SCATTERED TSTMS WILL
INCREASE WEDNESDAY AFTERNOON INTO EVENING FROM THE SRN SIERRAS EWD
ACROSS THE MOGOLLON PLATEAU OWING TO RATHER STEEP LOW/MID-LEVEL
LAPSE RATES OF 7.5-8 C/KM...WEAK OROGRAPHIC ASCENT AND EPISODIC
DEEPER-LAYER FORCING ASSOCIATED WITH THE TRANSIENT PERTURBATIONS.
ADDITIONAL SHOWERS WITH EMBEDDED TSTMS WILL ALSO BECOME INCREASINGLY
COMMON LATE WEDNESDAY NIGHT INTO THURSDAY MORNING WWD ALONG THE SRN
CA COAST IN ASSOCIATION WITH A MORE SIGNIFICANT SHORTWAVE TROUGH
APPROACHING THE REGION FROM THE W.

..MEAD.. 02/16/2005

...NOTICE...
FOR USERS DECODING THE POINTS PARAGRAPH HEREIN...LATITUDE AND
LONGITUDE POINTS FOR THE CATEGORICAL AND PROBABILISTIC OUTLOOK
GRAPHICS ALSO ARE LOCATED IN A SEPARATE PRODUCT UNDER THE WMO
HEADINGS WUUS01 PTSDY1...WUUS02 PTSDY2...AND WUUS03 PTSDY3.  THE
INCLUSION OF POINTS IN THIS PRODUCT WILL EVENTUALLY BE DISCONTINUED.








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