884  
FXUS01 KWBC 281928  
PMDSPD  
 
SHORT RANGE FORECAST DISCUSSION  
NWS WEATHER PREDICTION CENTER COLLEGE PARK MD  
327 PM EDT FRI MAR 28 2025  
 
VALID 00Z SAT MAR 29 2025 - 00Z MON MAR 31 2025  
 
...THE HEAVY RAIN AND FLASH FLOOD THREAT MOVES AWAY FROM SOUTH  
TEXAS AND INTO EAST TEXAS AND LOUISIANA THIS AFTERNOON INTO  
TONIGHT...  
 
...MUCH ABOVE AVERAGE TEMPERATURES FROM THE CENTRAL TO SOUTHERN  
PLAINS, EAST INTO THE EASTERN U.S., WHILE BELOW AVERAGE  
TEMPERATURES STRETCH ALONG THE NORTHERN TIER FROM THE NORTHERN  
PLAINS INTO NORTHERN NEW ENGLAND...  
 
...WINTER WEATHER THREATS CONTINUE ALONG THE NORTHERN TIER FROM  
THE NORTHERN PLAINS, INTO THE UPPER MISSISSIPPI VALLEY, UPPER  
GREAT LAKES, FAR NORTHERN NY STATE AND CENTRAL TO NORTHERN NEW  
ENGLAND...  
 
...SEVERE WEATHER THREAT ACROSS THE SOUTHERN TO CENTRAL PLAINS  
INTO THE LOWER MISSOURI VALLEY ON SATURDAY AND THROUGH THE LOWER  
TO MID MISSISSIPPI VALLEY, TENNESSEE VALLEY AND OHIO VALLEY ON  
SUNDAY...  
 
...A BRIEF PERIOD OF DRIER WEATHER FOR THE PACIFIC NORTHWEST INTO  
NORTHERN CALIFORNIA ON SATURDAY BEFORE MORE RAINS RETURN TO THIS  
AREA SUNDAY...  
 
AFTER SEVERAL DAYS OF VERY HEAVY RAINFALL ACROSS SOUTH TEXAS,  
WHERE RAINFALL TOTALS OF 6 TO 12"+ HAVE BEEN OBSERVED, THE UPPER  
LEVEL DISTURBANCE THAT HAS BEEN PRODUCING THE WET WEATHER WILL  
MOVE EASTWARD INTO EAST TEXAS AND LOUISIANA TONIGHT INTO SATURDAY.  
THIS WILL SHIFT THE THREAT OF HEAVY RAINFALL AND FLASH FLOODING  
INTO EAST TEXAS AND ACROSS LOUISIANA OVER NEXT 24 HOURS. RAINFALL  
TOTALS ARE NOT EXPECTED TO BE AS EXTREME AS WAS OBSERVED OVER  
SOUTH TEXAS. STILL, HEAVY RAINS MAY PRODUCE LOCALIZED FLOODING  
FROM THIS AFTERNOON INTO FRIDAY NIGHT FROM EAST TEXAS INTO  
LOUISIANA WHERE FLOOD WATCHES ARE CURRENTLY IN EFFECT.  
 
MUCH OF THE NATION TO THE EAST OF THE ROCKIES WILL SEE MUCH ABOVE  
AVERAGE TEMPERATURES THIS WEEKEND. MUCH ABOVE AVERAGE  
TEMPERATURES ARE EXPECTED TO STRETCH FROM THE CENTRAL TO SOUTHERN  
PLAINS, EASTWARD INTO MUCH OF THE MISSISSIPPI VALLEY, OHIO VALLEY  
AND LARGE PORTIONS OF THE EAST COAST. COLDER THAN AVERAGE  
TEMPERATURES ARE EXPECTED TO PERSIST ACROSS THE NORTHERN TIER FROM  
THE NORTHERN PLAINS INTO THE UPPER MISSISSIPPI VALLEY, UPPER GREAT  
LAKES, FAR NORTHERN NY STATE AND INTO CENTRAL TO NORTHERN NEW  
ENGLAND. IN ADDITION TO THE COLDER THAN AVERAGE TEMPERATURES  
ACROSS THE NORTHERN TIER, THERE WILL BE POTENTIAL FOR TWO ROUNDS  
OF ACCUMULATING SNOW AND ICE. THE INITIAL ROUND WILL SPREAD  
WINTRY WEATHER FROM NORTHERN MINNESOTA INTO THE UPPER PENINSULA OF  
MICHIGAN, FAR NORTHERN NY STATE AND NORTHERN NEW ENGLAND THROUGH  
FRIDAY NIGHT AND INTO CONTINUING SATURDAY FROM THE UPPER PENINSULA  
OF MICHIGAN, FAR NORTHERN NY STATE INTO NORTHERN NEW ENGLAND.  
THIS WILL BE FOLLOWED BY A SECOND BATCH OF WINTRY WEATHER  
DEVELOPING ACROSS THE CENTRAL TO NORTHERN PLAINS SATURDAY AND  
MOVING INTO THE UPPER MISSISSIPPI VALLEY/UPPER GREAT LAKES  
SATURDAY NIGHT/EARLY SUNDAY AND BACK ACROSS PORTIONS OF CENTRAL TO  
NORTHERN NEW ENGLAND DURING THE DAY ON SUNDAY. SNOW TOTALS FROM  
THE TWO EVENTS MAY REACH AS HIGH AS 6 TO 8 INCHES ACROSS PORTIONS  
OF THE UPPER PENINSULA OF MICHIGAN, FAR NORTHERN NY STATE,  
NORTHERN VERMONT, NORTHERN NEW HAMPSHIRE, AND WESTERN MAINE. ICE  
ACCUMULATIONS OF .25-.50"+ ARE POSSIBLE FROM NORTHERN WISCONSIN,  
ACROSS THE NORTHERN LOWER PENINSULA OF MICHIGAN, EASTERN UPPER  
PENINSULA OF MICHIGAN, NORTHERN NY STATE AND ACROSS MUCH OF  
VERMONT AND NEW HAMPSHIRE.  
 
THE COLDER THAN AVERAGE AIR OVER THE NORTHERN TIER WILL BEGIN TO  
SURGE SOUTHWARD INTO THE CENTRAL PLAINS ON SATURDAY AND SOUTHERN  
PLAINS ON SUNDAY. THUNDERSTORMS ARE EXPECTED TO BECOME  
INCREASINGLY ACTIVE ALONG AND AHEAD OF THIS FRONT THIS WEEKEND.  
THIS WILL BRING THE POTENTIAL FOR SEVERE WEATHER ON SATURDAY  
ACROSS THE SOUTHERN TO CENTRAL PLAINS INTO THE LOWER MISSOURI  
VALLEY AND THROUGH A LARGER REGION FROM THE LOWER TO MIDDLE  
MISSISSIPPI VALLEY, TENNESSEE VALLEY AND OHIO VALLEY ON SUNDAY.  
 
AFTER SEVERAL DAYS OF WET WEATHER FROM THE PACIFIC NORTHWEST INTO  
NORTHERN CALIFORNIA, DRIER CONDITIONS ARE EXPECTED SATURDAY.  
HOWEVER, THIS WILL BE SHORT LIVED AS THE NEXT SYSTEM MOVING OFF  
THE NORTHEAST PACIFIC WILL SPREAD THE THREAT OF ADDITIONAL RAINS  
INTO NORTHERN CALIFORNIA AND THE PACIFIC NORTHWEST ON SUNDAY.  
 
ORAVEC  
 
GRAPHICS AVAILABLE AT  
HTTPS://WWW.WPC.NCEP.NOAA.GOV/BASICWX/BASICWX_NDFD.PHP  
 
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