586  
FXUS01 KWBC 262003  
PMDSPD  
 
SHORT RANGE FORECAST DISCUSSION  
NWS WEATHER PREDICTION CENTER COLLEGE PARK MD  
402 PM EDT FRI APR 26 2024  
 
VALID 00Z SAT APR 27 2024 - 00Z MON APR 29 2024  
 
...THERE IS A MODERATE RISK OF EXCESSIVE RAINFALL OVER PARTS OF  
THE CENTRAL/SOUTHERN PLAINS ON SATURDAY...  
   
..HEAVY SNOW OVER THE CENTRAL ROCKIES
 
 
...THERE IS AN ENHANCED RISK OF SEVERE THUNDERSTORMS OVER PARTS OF  
THE MIDDLE/LOWER MISSISSIPPI VALLEY AND CENTRAL/SOUTHERN PLAINS...  
 
LOW PRESSURE OVER CENTRAL PLAINS WILL MOVE NORTHEASTWARD INTO  
EAST-CENTRAL CANADA BY SUNDAY MORNING. A SECOND LOW DEVELOPS OVER  
THE SOUTHERN HIGH PLAINS BY SATURDAY MORNING AND LIKEWISE, MOVE  
NORTHEASTWARD TO THE MIDDLE MISSISSIPPI VALLEY BY SUNDAY. SHOWERS  
AND SEVERE THUNDERSTORMS WILL DEVELOP EAST OF THE DRYLINE.  
THEREFORE, THE SPC HAS ISSUED AN ENHANCED RISK (LEVEL 3/5) OF  
SEVERE THUNDERSTORMS OVER THE MIDDLE/LOWER MISSISSIPPI VALLEY AND  
CENTRAL/SOUTHERN PLAINS THROUGH SATURDAY MORNING. THE HAZARDS  
ASSOCIATED WITH THESE THUNDERSTORMS ARE FREQUENT LIGHTNING, SEVERE  
THUNDERSTORM WIND GUSTS, HAIL, AND A FEW TORNADOES. IN ADDITION,  
THERE IS AN INCREASED THREAT OF EF2- EF5 TORNADOS AND HAIL GREATER  
THAN TWO INCHES OVER THE REGION.  
 
MOREOVER, HEAVY RAIN WILL BE ASSOCIATED WITH THESE STORMS.  
THEREFORE, THE WPC HAS ISSUED A SLIGHT RISK (LEVEL 2/4) OF  
EXCESSIVE RAINFALL OVER THE MIDDLE/LOWER MISSISSIPPI VALLEY AND  
SOUTHERN PLAINS THROUGH SATURDAY MORNING. THE ASSOCIATED HEAVY  
RAIN WILL CREATE MAINLY LOCALIZED AREAS OF FLASH FLOODING, WITH  
URBAN AREAS, ROADS, SMALL STREAMS, AND LOW-LYING AREAS THE MOST  
VULNERABLE. HEAVY SNOW WILL DEVELOP OVER THE HIGHER ELEVATIONS OF  
THE CENTRAL ROCKIES OVERNIGHT FRIDAY INTO SATURDAY.  
 
ON SATURDAY, THE THREAT OF SEVERE THUNDERSTORMS CONTINUES, WHILE  
THE THREAT OF EXCESSIVE RAINFALL INCREASES OVER PARTS OF  
SOUTHEASTERN KANSAS, SOUTHWESTERN MISSOURI, OKLAHOMA, AND  
NORTHEAST-CENTRAL TEXAS. THEREFORE, THE SPC HAS ISSUED AN ENHANCED  
RISK (LEVEL 3/5) OF SEVERE THUNDERSTORMS OVER THE MIDDLE  
MISSISSIPPI VALLEY AND CENTRAL/SOUTHERN PLAINS FROM SATURDAY INTO  
SUNDAY MORNING. THE HAZARDS ASSOCIATED WITH THESE THUNDERSTORMS  
ARE FREQUENT LIGHTNING, SEVERE THUNDERSTORM WIND GUSTS, HAIL, AND  
A FEW TORNADOES. IN ADDITION, THERE IS AN INCREASED THREAT OF EF2-  
EF5 TORNADOS AND HAIL GREATER THAN TWO INCHES OVER THE REGION.  
 
FURTHERMORE, HEAVY RAIN WILL BE ASSOCIATED WITH THESE STORMS.  
THEREFORE, THE WPC HAS ISSUED A MODERATE RISK (LEVEL 3/4) OF  
EXCESSIVE RAINFALL OVER PARTS OF THE MIDDLE MISSISSIPPI VALLEY AND  
CENTRAL/SOUTHERN PLAINS. THE ASSOCIATED HEAVY RAIN WILL CREATE  
NUMEROUS AREAS OF FLASH FLOODING. FURTHERMORE, MANY STREAMS MAY  
FLOOD, POTENTIALLY AFFECTING LARGER RIVERS.  
 
ON SUNDAY, THE THREAT OF EXCESSIVE RAINFALL DECREASES SLIGHTLY.  
THEREFORE, THE WPC HAS ISSUED A SLIGHT RISK (LEVEL 2/4) OF  
EXCESSIVE RAINFALL OVER THE MIDDLE/LOWER MISSISSIPPI VALLEY AND  
SOUTHERN PLAINS ON SUNDAY. THE ASSOCIATED HEAVY RAIN WILL CREATE  
MAINLY LOCALIZED AREAS OF FLASH FLOODING, WITH URBAN AREAS, ROADS,  
SMALL STREAMS, AND LOW-LYING AREAS THE MOST VULNERABLE.  
 
SIMILARLY, THE THREAT OF SEVERE THUNDERSTORMS DECREASES SLIGHTLY  
ON SUNDAY, TOO. THEREFORE, THE SPC HAS ISSUED A SLIGHT RISK (LEVEL  
2/5) OF SEVERE THUNDERSTORMS OVER PARTS OF THE MIDDLE/LOWER  
MISSISSIPPI VALLEY AND CENTRAL/SOUTHERN PLAINS ON SUNDAY. THE  
HAZARDS ASSOCIATED WITH THESE THUNDERSTORMS ARE FREQUENT  
LIGHTNING, SEVERE THUNDERSTORM WIND GUSTS, HAIL, AND A FEW  
TORNADOES.  
 
MEANWHILE, UPPER-LEVEL TROUGHING OVER THE WESTERN THIRD OF THE  
COUNTRY AND ONSHORE FLOW WILL PRODUCE RAIN AND HIGH ELEVATION SNOW  
OVER PARTS OF PACIFIC NORTHWEST, CALIFORNIA, GREAT BASIN, NORTHERN  
INTERMOUNTAIN REGION, AND SOUTHWEST THROUGH SATURDAY MORNING. THE  
LOW ELEVATION RAIN AND HIGHER ELEVATION SNOW CONTINUES OVER PARTS  
OF THE NORTHERN/CENTRAL ROCKIES THROUGH LATE SATURDAY NIGHT. ON  
SUNDAY, THE RAIN AND HIGHER ELEVATION SNOW RETURNS TO THE PACIFIC  
NORTHWEST.  
 
ZIEGENFELDER  
 
GRAPHICS AVAILABLE AT  
HTTPS://WWW.WPC.NCEP.NOAA.GOV/BASICWX/BASICWX_NDFD.PHP  
 

 
 
CLICK HERE TO GO TO PREVIOUS BULLETINS.

The Nexlab HPC Page Main Text Page