225  
FXUS01 KWBC 120759  
PMDSPD  
 
SHORT RANGE FORECAST DISCUSSION  
NWS WEATHER PREDICTION CENTER COLLEGE PARK MD  
358 AM EDT FRI OCT 12 2018  
 
VALID 12Z FRI OCT 12 2018 - 12Z SUN OCT 14 2018  
 
...T. S. MICHAEL WILL QUICKLY MOVE NORTHEASTWARD OUT OVER THE  
ATLANTIC ...  
 
...HEAVY RAIN POSSIBLE OVER THE SOUTHERN PLAINS INTO THE LOWER  
MISSISSIPPI VALLEY...  
 
...TEMPERATURES WILL BE 10 TO 20 DEGREES BELOW AVERAGE OVER MOST  
OF THE PLAINS AND MISSISSIPPI VALLEY...  
   
..HEAVY SNOW POSSIBLE OVER PARTS OF THE NORTHERN/CENTRAL PLAINS
 
 
TROPICAL STORM MICHAEL WILL MOVE OFF THE MID-ATLANTIC COAST AND  
TRANSITION TO POST-TROPICAL AS THE STORM RACES NORTHWARD OFF THE  
NORTHEAST COASTLINE. HEAVY RAIN ASSOCIATED WITH MICHAEL WILL CLIP  
PARTS OF SOUTHERN NEW ENGLAND THROUGH FRIDAY AFTERNOON. TROPICAL  
STORM SERGIO WILL MAKE LANDFALL BY FRIDAY ALONG THE BAJA  
CALIFORNIA COAST, WEAKENING WHILE MOVING NORTHEASTWARD  
NORTHEASTERN TEXAS BY SATURDAY EVENING. MOISTURE ASSOCIATED WITH  
SERGIO AND MOISTURE FLOWING NORTHWARD OUT OF THE WESTERN GULF OF  
MEXICO WILL AID IN PRODUCING RAIN OVER PARTS OF SOUTHERN NEW  
MEXICO/WESTERN TEXAS OVERNIGHT FRIDAY. ON SATURDAY MORNING SHOWERS  
AND THUNDERSTORMS WILL MOVE INTO TEXAS CONTINUING TO MOVE  
NORTHEASTWARD INTO PARTS OF THE LOWER MISSISSIPPI VALLEY OVERNIGHT  
SATURDAY. PLEASE REFER TO THE NHC FOR THE LATEST INFORMATION ON  
BOTH MICHAEL AND SERGIO.  
 
MEANWHILE, UPPER-LEVEL ENERGY OVER PARTS OF THE NORTHERN/CENTRAL  
PLAINS WILL MOVE EASTWARD OF THE NORTHEAST/MID-ATLANTIC COAST BY  
SATURDAY EVENING. THE ENERGY WILL AID IN DEVELOPING SHOWERS AND  
THUNDERSTORMS OVER THE SOUTHERN PLAINS THAT WILL END OVERNIGHT  
FRIDAY. RAIN WILL ALSO DEVELOP OVER PARTS OF THE NORTHERN/CENTRAL  
PLAINS THAT WILL MOVE NORTHEASTWARD TO THE NORTHEAST/MID-ATLANTIC  
BY SATURDAY MORNING MOVING OFF THE COAST BY SATURDAY EVENING. IN  
ADDITION, A FRONT MOVING SOUTHEASTWARD OUT OF WESTERN CANADA WILL  
MOVE TO UPPER GREAT LAKES/UPPER MISSISSIPPI VALLEY INTO THE MIDDLE  
MISSISSIPPI VALLEY/CENTRAL PLAINS WESTWARD TO THE GREAT BASIN BY  
SATURDAY EVENING. THE SYSTEM WILL AID IN PRODUCING SNOW AND RAIN  
OVER PARTS OF THE NORTHERN HIGH PLAINS/NORTHERN PLAINS OVERNIGHT  
SATURDAY. THE RAIN/SNOW WILL MOVE EASTWARD INTO THE UPPER GREAT  
LAKES/UPPER MISSISSIPPI VALLEY BY SATURDAY EVENING. SNOW WILL  
DEVELOP OVER PARTS OF THE NORTHERN ROCKIES BY SATURDAY AFTERNOON  
AND INTO THE CENTRAL ROCKIES/CENTRAL HIGH PLAINS BY SATURDAY  
EVENING.  
 
ZIEGENFELDER  
 
GRAPHICS AVAILABLE AT  
WWW.WPC.NCEP.NOAA.GOV/BASICWX/BASICWX_NDFD.PHP  

 
 
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