273  
FXUS01 KWBC 230659  
PMDSPD  
 
SHORT RANGE FORECAST DISCUSSION  
NWS WEATHER PREDICTION CENTER COLLEGE PARK MD  
259 AM EDT THU AUG 23 2018  
 
VALID 12Z THU AUG 23 2018 - 12Z SAT AUG 25 2018  
 
...HURRICANE LANE FORECAST TO TRACK CLOSE TO THE HAWAIIAN  
ISLANDS...  
 
...HEAVY RAINFALL TO IMPACT THE MISSISSIPPI VALLEY AND WESTERN  
GREAT LAKES...  
 
...CRITICAL FIRE WEATHER CONDITIONS FOR TODAY IN THE WEST ALONG  
WITH AIR QUALITY CONCERNS...  
 
HURRICANE LANE IS EXPECTED TO BRUSH SOUTH OF THE HAWAIIAN  
ISLANDS--APPROACHING THE BIG ISLAND AS A MAJOR HURRICANE BY THIS  
AFTERNOON. HOWEVER, REGARDLESS OF WHERE THE CENTER IS, THESE  
ISLANDS WILL STILL FEEL THE IMPACT OF LANE. HEAVY RAIN WILL BE A  
MAJOR CONCERN, AS WELL AS STORM SURGE AND WIND DAMAGE. FOR THE  
MOST CURRENT INFORMATION ON THE MOST CURRENT TRACK AND HAZARDS  
ASSOCIATED WITH LANE, VISIT THE CENTRAL PACIFIC HURRICANE CENTER'S  
WEB SITE (WWW.PRH.NOAA.GOV/CPHC/).  
 
A LOW PRESSURE SYSTEM IS EXPECTED TO LIFT NORTHWARD FROM THE  
SOUTHERN AND CENTRAL PLAINS INTO THE MISSISSIPPI VALLEY OVER THE  
NEXT FEW DAYS. THUNDERSTORMS ARE EXPECTED TODAY TO OCCUR IN  
KANSAS/OKLAHOMA IN ADDITION TO THE DAKOTAS/NEBRASKA. A SLIGHT  
RISK OF SEVERE THUNDERSTORMS WILL BE POSSIBLE ESPECIALLY IN  
CENTRAL SOUTH DAKOTA AND NEBRASKA. SOME OF THESE STORMS COULD BE  
CAPABLE OF PRODUCING HEAVY DOWNPOURS WHICH COULD LEAD TO FLASH  
FLOODING. BY FRIDAY, MOST OF THE UPPER AND MIDDLE MISSISSIPPI  
VALLEY IN ADDITION TO THE GREAT LAKES/OHIO VALLEY CAN EXPECT  
SHOWERS AND THUNDERSTORMS. ONCE AGAIN, A SLIGHT RISK OF SEVERE  
THUNDERSTORMS WILL BE POSSIBLE FOR PARTS OF THE UPPER AND MIDDLE  
MISSISSIPPI VALLEY. HEAVY RAIN RAIN WILL BE EXPECTED ESPECIALLY  
IN THE UPPER GREAT LAKES AND PARTS OF THE MIDDLE MISSISSIPPI  
VALLEY AND OHIO VALLEY.  
 
CRITICAL FIRE WEATHER CONDITIONS CONTINUE INTO TODAY ESPECIALLY IN  
IDAHO BUT ALSO EXTENDS DOWN INTO THE GREAT BASIN. FURTHERMORE, RED  
FLAG WARNINGS ARE ALSO IN EFFECT FOR PARTS OF THE PACIFIC  
NORTHWEST DUE TO PERSISTENT DRY CONDITIONS AND GUSTY WINDS WHICH  
COULD LEAD TO INCREASED FIRE SPREAD ON NEW OR EXISTING WILDFIRES.  
SMOKE FROM ACTIVE WILDFIRES ARE LEADING TO AIR QUALITY CONCERNS  
ACROSS THE PACIFIC NORTHWEST. AIR QUALITY ALERTS ARE IN EFFECT  
FOR MOST OF THE PACIFIC NORTHWEST AND IDAHO.  
 
REINHART  
 
GRAPHICS AVAILABLE AT  
WWW.WPC.NCEP.NOAA.GOV/BASICWX/BASICWX_NDFD.PHP  

 
 
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