333  
FXUS01 KWBC 301921  
PMDSPD  
 
SHORT RANGE FORECAST DISCUSSION  
NWS WEATHER PREDICTION CENTER COLLEGE PARK MD  
320 PM EDT TUE OCT 30 2018  
 
VALID 00Z WED OCT 31 2018 - 00Z FRI NOV 02 2018  
 
...HEAVY SNOWFALL LIKELY FOR PORTIONS OF THE CENTRAL TO SOUTHERN  
ROCKIES TONIGHT...  
 
...WIDESPREAD RAINFALL WITH POSSIBLE FLASH FLOODING FROM EASTERN  
TEXAS, ACROSS THE MIDDLE MISSISSIPPI VALLEY INTO THE OHIO VALLEY  
BEGINNING WEDNESDAY.  
 
...ENHANCED RISK OF SEVERE THUNDERSTORMS FROM SOUTHEASTERN TEXAS  
INTO LOUISIANA WEDNESDAY...  
 
...CRITICAL FIRE WEATHER RISK FOR PORTIONS OF CALIFORNIA TODAY AND  
WEDNESDAY...  
 
A RELATIVELY STRONG COLD FRONT CURRENTLY STRETCHING FROM THE GREAT  
LAKES TO THE SOUTHERN PLAINS WILL CONTINUE USHERING IN  
SIGNIFICANTLY COLDER TEMPERATURES INTO THE CENTRAL AND SOUTHERN  
HIGH PLAINS TONIGHT. HEAVY SNOW WITH TOTALS LOCALLY OVER A FOOT  
ARE EXPECTED FOR THE SANGRE DE CRISTO MOUNTAINS CROSSING THE  
COLORADO/NEW MEXICO BORDER THROUGH WEDNESDAY MORNING WITH RAIN  
CHANGING TO SNOW FOR SOME OF THE LOWER ELEVATIONS ALONG THE FRONT  
RANGE NEAR AND EAST OF I-25.  
 
AS SNOWFALL BEGINS TO TAPER OFF ACROSS SOUTHERN COLORADO INTO NEW  
MEXICO EARLY WEDNESDAY AFTERNOON, HEAVY RAINFALL SHOULD BEGIN TO  
DEVELOP FROM PORTIONS OF EASTERN TEXAS/FAR SOUTHEASTERN OKLAHOMA  
INTO AND ACROSS THE MISSISSIPPI VALLEY INTO THE OHIO VALLEY.  
RAINFALL INTENSITY SHOULD INITIALLY BE HEAVIEST ACROSS SOUTHERN  
LOCATIONS BUT IT EVENTUALLY WILL SPREAD NORTHWARD INTO THE OHIO  
VALLEY FOR WEDNESDAY NIGHT/THURSDAY MORNING. AHEAD OF THE COLD  
FRONT ALONG THE EAST COAST, HIGH TEMPERATURES ON WEDNESDAY AND  
THURSDAY ARE EXPECTED TO WARM INTO THE 60S AND 70S FOR THE  
MID-ATLANTIC AND NORTHEAST (5-15 DEGREES ABOVE AVERAGE) WITH LOWER  
TO MIDDLE 80S FROM THE CENTRAL AND EASTERN CAROLINAS INTO  
NORTHEASTERN FLORIDA (5-10 DEGREES ABOVE AVERAGE).  
 
OUT WEST, AS THE AFOREMENTIONED COLD FRONT CONTINUES TO SINK SOUTH  
THROUGH THE DESERT SOUTHWEST, HIGH PRESSURE IN THE GREAT BASIN AND  
AN INCREASED PRESSURE GRADIENT WILL CONTINUE TO ALLOW FOR GUSTY  
WINDS OVER PORTIONS OF CALIFORNIA POSING AN INCREASED THREAT FOR  
FIRE WEATHER. THE STORM PREDICTION CENTER HAS HIGHLIGHTED CRITICAL  
AREAS FOR WILDFIRE RISK OVER THE CENTRAL SACRAMENTO VALLEY AND LOS  
ANGELES METRO AREAS TODAY WITH THE RISK CONTAINED TO SOUTHERN  
CALIFORNIA (LOS ANGELES TO SAN DIEGO) ON THURSDAY.  
 
OTTO  
 
GRAPHICS AVAILABLE AT  
WWW.WPC.NCEP.NOAA.GOV/BASICWX/BASICWX_NDFD.PHP  

 
 
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