751  
FXUS01 KWBC 160732  
PMDSPD  
 
SHORT RANGE FORECAST DISCUSSION  
NWS WEATHER PREDICTION CENTER COLLEGE PARK MD  
332 AM EDT TUE OCT 16 2018  
 
VALID 12Z TUE OCT 16 2018 - 12Z THU OCT 18 2018  
   
..HEAVY RAIN POSSIBLE OVER PARTS OF THE SOUTHERN PLAINS
 
 
...ISOLATED HEAVY SNOW POSSIBLE OVER PARTS OF THE CENTRAL ROCKIES  
WHILE SCATTERED SNOW DEVELOPS OVER THE SOUTHERN ROCKIES...  
   
..RAIN/FREEZING RAIN POSSIBLE OVER PARTS OF NEW MEXICO
 
 
...SANTA ANA WIND OVER SOUTHERN CALIFORNIA SHOULD GRADUALLY ABATE  
THE NEXT COUPLE OF DAYS...  
 
COLD HIGH PRESSURE OVER THE CENTRAL ROCKIES WILL MOVE  
SOUTHEASTWARD INTO THE SOUTHERN HIGH PLAINS BY TUESDAY EVENING  
INTO WEDNESDAY EVENING. THE COLD AIR MASS WILL BRING TEMPERATURES  
THAT WILL BE 20 TO 35 DEGREES BELOW AVERAGE OVER PARTS OF THE  
SOUTHERN PLAINS INTO PARTS OF THE LOWER MISSISSIPPI VALLEY.  
CLOCK-WISE CIRCULATION AROUND THE AREA OF HIGH PRESSURE AND  
MOISTURE FROM THE WESTERN GULF OF MEXICO WILL AID IN DEVELOPING  
RAIN OVER PARTS OF THE SOUTHERN PLAINS THROUGH WEDNESDAY EVENING  
INTO THURSDAY. SOME AREAS OF RAIN/FREEZING RAIN WILL DEVELOP OVER  
SOUTHWESTERN TEXAS THROUGH TUESDAY EVENING. IN CONTRAST, AN  
UPPER-LEVEL LOW OVER THE SOUTHWEST WILL BE QUASI-STATIONARY  
THROUGH WEDNESDAY EVENING. THE ENERGY WILL AID IN PRODUCING  
SCATTERED RAIN AND HIGHER ELEVATION SNOW OVER PARTS OF THE  
SOUTHWEST/GREAT BASIN AND SOUTHERN ROCKIES THROUGH WEDNESDAY  
EVENING, TOO. AREAS OF RAIN/FREEZING RAIN WILL DEVELOP OVER PARTS  
OF NEW MEXICO THROUGH THURSDAY MORNING.  
 
MEANWHILE, A QUASI-STATIONARY FRONT EXTENDING FROM PARTS OF THE  
SOUTHERN MID-ATLANTIC SOUTHWESTWARD INTO THE CENTRAL GULF COAST  
WITH AN AREA OF LOW PRESSURE OFF THE WESTERN GULF COAST THROUGH  
WEDNESDAY EVENING. MOISTURE FROM THE GULF OF MEXICO WILL POOL  
ALONG THE BOUNDARY AIDING IN THE DEVELOPMENT OF SHOWERS AND  
THUNDERSTORMS FROM PARTS OF THE MID-ATLANTIC/SOUTHEAST INTO THE  
WESTERN GULF COAST THROUGH WEDNESDAY. DIURNAL HEATING WILL AID IN  
PRODUCING MAXIMUM AREAL COVERAGE OVER PARTS OF THE SOUTHEAST INTO  
PARTS OF THE EASTERN/CENTRAL GULF COAST DURING THE AFTERNOON INTO  
EVENING HOURS. ELSEWHERE, ONE AREA OF UPPER-LEVEL ENERGY FOLLOW  
BY ANOTHER AREA WILL TRANSIT ACROSS PARTS OF THE GREAT LAKES INTO  
THE NORTHEAST TUESDAY INTO WEDNESDAY EVENING. THE ENERGY WILL  
PRODUCE SCATTERED AREAS OF RAIN AND SNOW OVER PARTS OF THE GREAT  
LAKES INTO PARTS OF THE NORTHEAST THROUGH WEDNESDAY EVENING. IN  
ADDITION, STRONG HIGH PRESSURE OVER CENTRAL/NORTHERN ROCKIES WILL  
AID IN PRODUCING STRONG WIND OVER PARTS OF SOUTHERN CALIFORNIA.  
 
ZIEGENFELDER  
 
GRAPHICS AVAILABLE AT  
WWW.WPC.NCEP.NOAA.GOV/BASICWX/BASICWX_NDFD.PHP  

 
 
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