160  
FXUS01 KWBC 150801  
PMDSPD  
 
SHORT RANGE FORECAST DISCUSSION  
NWS WEATHER PREDICTION CENTER COLLEGE PARK MD  
400 AM EDT FRI JUN 15 2018  
 
VALID 12Z FRI JUN 15 2018 - 12Z SUN JUN 17 2018  
 
...STRONG THUNDERSTORMS ALONG WITH HEAVY RAIN EXPECTED ACROSS THE  
NORTHERN TIER STATES THROUGH THE WEEKEND...  
 
...WET CONDITIONS FOR THE GULF COAST AND PARTS OF DESERT  
SOUTHWEST...  
 
SCATTERED TO WIDESPREAD CONVECTION WILL FIRE ACROSS MUCH OF THE  
NORTH-CENTRAL U.S. AS A STRONG LOW PRESSURE SYSTEM TRACKS THROUGH  
THE PLAINS THIS WEEKEND. SOME OF THESE STORMS WILL BE STRONG OR  
SEVERE AND CAPABLE OF PRODUCING HIGH RAINFALL RATES. THE RISK FOR  
FLASH FLOODING WILL BE ELEVATED FROM MONTANA TO NORTHERN MICHIGAN  
WHERE 1 TO 3 INCHES OF RAIN MAY FALL BY SUNDAY. WPC HAS MUCH OF  
THE REGION IDENTIFIED AS HAVING A MARGINAL OR SLIGHT RISK FOR  
EXCESSIVE RAINFALL. MUCH OF THIS SAME AREA WAS IDENTIFIED BY THE  
STORM PREDICTION CENTER AS HAVING A SLIGHT RISK OF SEVERE  
THUNDERSTORMS.  
 
TROPICAL MOISTURE ASSOCIATED WITH THE WEAKENING TROPICAL STORM BUD  
WILL TRANSPORT NORTHWARD INTO SOUTHERN ARIZONA AND NEW MEXICO.  
ANOMALOUS MOISTURE LEVELS FOR THIS TIME OF YEAR, PRIOR TO THE  
TYPICAL ONSET OF MONSOON SEASON, WILL RESULT IN SCATTERED TO  
NUMEROUS SHOWERS AND STORMS, WITH THE POSSIBILITY THAT SOME COULD  
PRODUCE FLOODING ISSUES. WPC HAS THIS AREA IN A SLIGHT RISK FOR  
EXCESSIVE RAIN.  
 
ACROSS THE EASTERN U.S. FROM THE OHIO VALLEY TO THE MID-ATLANTIC  
AND NORTHEAST U.S., A HIGH QUALITY AIRMASS WILL GOVERN THE WEATHER  
PATTERN THROUGH FRIDAY BEFORE A SIGNIFICANT WARMING TREND ENSUES  
BY THE WEEKEND. HIGHS IN THE 70S AND 80S, AND LOW HUMIDITY ARE  
EXPECTED BEHIND A CANADIAN COLD FRONT, WITH SUNNY TO PARTLY CLOUDY  
SKIES.  
 
CAMPBELL/HAMRICK  
 
GRAPHICS AVAILABLE AT  
WWW.WPC.NCEP.NOAA.GOV/BASICWX/BASICWX_NDFD.PHP  

 
 
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