421  
FXUS01 KWBC 032000  
PMDSPD  
 
SHORT RANGE FORECAST DISCUSSION  
NWS WEATHER PREDICTION CENTER COLLEGE PARK MD  
359 PM EDT MON SEP 03 2018  
 
VALID 00Z TUE SEP 04 2018 - 00Z THU SEP 06 2018  
 
...TROPICAL STORM GORDON IS FORECAST TO MOVE FROM THE SOUTHERN TIP  
OF FLORIDA NORTHWESTWARD TO THE CENTRAL GULF COAST BY WEDNESDAY...  
 
...THERE IS A SLIGHT RISK OF SEVERE THUNDERSTORMS OVER PARTS OF  
THE NORTHERN PLAIN...  
 
...HEAVY RAIN POSSIBLE FROM THE UPPER GREAT LAKES TO CENTRAL  
PLAINS AND OVER PARTS OF THE CENTRAL GULF COAST/LOWER MISSISSIPPI  
VALLEY...  
   
..HEAVY RAIN POSSIBLE OF THE SOUTHERN PLAINS
 
 
TROPICAL STORM GORDON IS FORECAST TO MOVE FROM THE SOUTHERN TIP OF  
FLORIDA NORTHWESTWARD TO THE CENTRAL GULF COAST BY WEDNESDAY. THE  
STORM WILL PRODUCE SHOWERS AND THUNDERSTORMS OVER PARTS OF  
SOUTHERN FLORIDA THAT WILL MOVE NORTHEASTWARD OUT OVER THE EASTERN  
GULF OF MEXICO OVERNIGHT MONDAY. BY TUESDAY MORNING SHOWERS AND  
THUNDERSTORMS WILL DEVELOP OVER PARTS OF THE EASTERN/CENTRAL GULF  
COAST WITH HEAVIER RAIN MOVING ONSHORE OVER PARTS OF THE CENTRAL  
GULF COAST OVERNIGHT TUESDAY. THE HEAVY RAIN AND THUNDERSTORMS  
WILL MOVE INLAND INTO PARTS OF THE LOWER MISSISSIPPI VALLEY BY  
WEDNESDAY. CHECK THE LATEST ADVISORY FROM THE NATIONAL HURRICANE  
CENTER FOR THE LATEST TRACK AND INTENSITY OF GORDON.  
 
A FRONT OVER THE NORTHERN HIGH PLAINS WILL MOVE SOUTHEASTWARD TO  
THE UPPER GREAT LAKES/MIDDLE MISSISSIPPI VALLEY INTO PARTS OF THE  
SOUTHERN PLAINS BY WEDNESDAY. SHOWERS AND THUNDERSTORMS WILL  
DEVELOP OVER PARTS OF THE NORTHERN PLAINS OVERNIGHT MONDAY MOVING  
EASTWARD TO UPPER MISSISSIPPI VALLEY AND THE NORTHERN/CENTRAL  
PLAINS BY TUESDAY MORNING. THE SHOWERS AND THUNDERSTORMS WILL  
CONTINUE TO MOVE EASTWARD TO THE UPPER GREAT LAKES INTO THE MIDDLE  
MISSISSIPPI VALLEY INTO PARTS OF THE CENTRAL/SOUTHERN PLAINS BY  
WEDNESDAY. IN ADDITION, A WARM FRONT EXTENDING FROM THE UPPER  
GREAT LAKES WESTWARD INTO PARTS OF THE UPPER/MIDDLE MISSISSIPPI  
VALLEY WILL LIFT NORTHWARD INTO SOUTH-CENTRAL CANADA OVERNIGHT  
TUESDAY. SHOWERS AND THUNDERSTORMS WILL DEVELOP ALONG AND NEAR  
THE BOUNDARY FROM PARTS OF THE UPPER/MIDDLE MISSISSIPPI VALLEY  
EASTWARD INTO THE GREAT LAKES INTO PARTS OF THE NORTHEAST WILL  
LIKEWISE MOVE NORTHWARD INTO CANADA BY TUESDAY EVENING.  
 
MEANWHILE, UPPER-LEVEL ENERGY OVER PARTS OF THE CENTRAL GULF COAST  
INTO PARTS OF THE SOUTHERN PLAINS WILL SLOWLY MOVE NORTHWARD INTO  
PARTS OF THE CENTRAL PLAINS BY TUESDAY AFTERNOON. SHOWERS AND  
THUNDERSTORMS WILL DEVELOP OVER PARTS OF THE SOUTHERN PLAINS  
EASTWARD INTO LOWER MISSISSIPPI VALLEY/SOUTHEAST WILL CONTINUE  
OVER PARTS OF THE CENTRAL/SOUTHERN PLAINS THROUGH WEDNESDAY. THE  
SHOWERS AND THUNDERSTORMS WILL END OVER PARTS OF THE LOWER  
MISSISSIPPI VALLEY OVERNIGHT TUESDAY INTO WEDNESDAY.  
ADDITIONALLY, TROPICAL MOISTURE OVER PARTS OF THE OHIO/TENNESSEE  
VALLEYS INTO PARTS OF THE MID-ATLANTIC WILL AID IN PRODUCING  
SHOWERS AND THUNDERSTORM OVER PARTS OF THE REGION WITH THE  
GREATEST AREAL COVERAGE DURING THE LATE AFTERNOON INTO THE LATE  
EVENING ON MONDAY AND TUESDAY.  
 
ZIEGENFELDER  
 
GRAPHICS AVAILABLE AT  
WWW.WPC.NCEP.NOAA.GOV/BASICWX/BASICWX_NDFD.PHP  

 
 
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