Re: December-Tracking The Christmas Winter Storm
Posted: Mon Dec 24, 2012 9:29 am
This is the latest from the NWS HGX. They are still being vigilant...
POTENT UPPER TROF WILL APPROACH FROM THE WEST TONIGHT. AS THIS
OCCURS THE SFC BOUNDARY WILL BEGIN MOVING BACK NWD AS A WARM
FRONT AND BECOME A FOCUS FOR POSSIBLE STRONG/SEVERE STORMS. 00Z
MODEL RUNS DON`T CHANGE MUCH IN THE WAY OF TIMING & DETAILS
ALREADY BEING ADVERTISED. ANTICIPATE INCREASED SHRA/TSRA COVERAGE
TOWARD MIDNIGHT AS LARGE SCALE LIFT IS ENHANCED. CHANCES OF SEVERE
WX INCREASE OVERNIGHT...GENERALLY ALONG AND NORTH OF I-10 AND IN
THE VICINITY OF THE NWD MOVING WARM FRONT. POTENTIAL STILL EXISTS
FOR ISOLATED TORNADOS ESP IF ANY DISCREET CELLS MANAGE TO DEVELOP.
WIND/HAIL WILL BE SECONDARY THREATS. PRECIP SHOULD END FROM WNW-
TO-ESE DURING THE 10AM-1PM TIMEFRAME AS PREFRONTAL TROF PUSHES
THRU. FRONT ITSELF WILL THEN MOVE THROUGH DURING THE AFTN HOURS
WITH BREEZY/WINDY CONDITIONS AND FALLING TEMPS GOING INTO EVNG.
NUMERICAL GUIDANCE STILL SUGGESTING FREEZING TEMPS NW OF HWY 59
TUE NIGHT. HOWEVER...WINDS & WET GROUND MAY END UP BEING LIMITING
FACTORS FOR SOME SPOTS.
http://forecast.weather.gov/product.php ... glossary=1
POTENT UPPER TROF WILL APPROACH FROM THE WEST TONIGHT. AS THIS
OCCURS THE SFC BOUNDARY WILL BEGIN MOVING BACK NWD AS A WARM
FRONT AND BECOME A FOCUS FOR POSSIBLE STRONG/SEVERE STORMS. 00Z
MODEL RUNS DON`T CHANGE MUCH IN THE WAY OF TIMING & DETAILS
ALREADY BEING ADVERTISED. ANTICIPATE INCREASED SHRA/TSRA COVERAGE
TOWARD MIDNIGHT AS LARGE SCALE LIFT IS ENHANCED. CHANCES OF SEVERE
WX INCREASE OVERNIGHT...GENERALLY ALONG AND NORTH OF I-10 AND IN
THE VICINITY OF THE NWD MOVING WARM FRONT. POTENTIAL STILL EXISTS
FOR ISOLATED TORNADOS ESP IF ANY DISCREET CELLS MANAGE TO DEVELOP.
WIND/HAIL WILL BE SECONDARY THREATS. PRECIP SHOULD END FROM WNW-
TO-ESE DURING THE 10AM-1PM TIMEFRAME AS PREFRONTAL TROF PUSHES
THRU. FRONT ITSELF WILL THEN MOVE THROUGH DURING THE AFTN HOURS
WITH BREEZY/WINDY CONDITIONS AND FALLING TEMPS GOING INTO EVNG.
NUMERICAL GUIDANCE STILL SUGGESTING FREEZING TEMPS NW OF HWY 59
TUE NIGHT. HOWEVER...WINDS & WET GROUND MAY END UP BEING LIMITING
FACTORS FOR SOME SPOTS.
http://forecast.weather.gov/product.php ... glossary=1