Roanoke County Requested Product
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FNUS51 KRNK 181929
FWFRNK

FIRE WEATHER PLANNING FORECAST FOR SW VA...SE WV AND NW NC
NATIONAL WEATHER SERVICE BLACKSBURG VA
329 PM EDT FRI APR 18 2014

.DISCUSSION...
HIGH PRESSURE WILL REMAIN ANCHORED ACROSS THE NORTHEAST U.S. 
THROUGH THE WEEKEND WHILE DEEP LOW PRESSURE SLIDES EAST AND
OFFSHORE THE GEORGIA COAST ON SATURDAY. THIS WEATHER SYSTEM
WILL BRING AN INCREASINGLY MOIST EASTERLY FLOW TO THE REGION 
TONIGHT THROUGH SATURDAY. EXTENSIVE CLOUD COVER IS EXPECTED
THROUGH SATURDAY WITH LIGHT RAIN SPREADING INTO SOUTHERN 
VIRGINIA AND NORTH CAROLINA LATE THIS EVENING...CONTINUING 
INTO SATURDAY. AS THE LOW PRESSURE SYSTEM MOVES EAST OF THE
REGION SUNDAY...HIGH PRESSURE WILL RETURN WITH DRIER 
CONDITIONS...WHICH SHOULD LAST INTO MONDAY. A COLD FRONT WILL 
BRING A GOOD CHANCE OF SHOWERS AND PERHAPS EVEN SOME THUNDERSTORMS
TO THE REGION TUESDAY.

WITH RESPECT TO PRESCRIBED BURNS...CONDITIONS WILL CONTINUE TO BE
LESS THAN IDEAL THROUGH SATURDAY WITH INCREASING LOW-LEVEL 
MOISTURE...CHANCES FOR RAIN GENERALLY SOUTH OF U.S. 460...AND
EAST TO NORTHEAST FLOW. IMPROVED CONDITIONS ARE EXPECTED SUNDAY
AND MONDAY AS HIGH PRESSURE...SUNSHINE...AND DRIER CONDITIONS
RETURN TO THE AREA. CRITICAL FIRE WEATHER CONDITIONS ARE NOT
EXPECTED INTO NEXT WEEK AT THIS TIME.

VAZ022-190915-
ROANOKE-
INCLUDING THE CITIES OF...ROANOKE...SALEM
329 PM EDT FRI APR 18 2014

                      TONIGHT      SAT          SAT NIGHT    SUN          

CLOUD COVER           MCLDY        MCLDY        MCLDY        PCLDY        
PRECIP TYPE           RAIN         RAIN         NONE         NONE         
CHANCE PRECIP (%)     30           20           0            0            
MIN/MAX TEMP          42           60           43           67           
MAX/MIN RH %          88           51           75           33           
WND20FT2MIN/EARLY(MPH)LGT/VAR      N  3         NE  5        NE  4        
WND20FT2MIN/LATE(MPH) LGT/VAR      NE  8        NE  4        E  6         
PRECIP AMOUNT         0.00         0.00         0.00         0.00         
PRECIP DURATION       1            1                                      
PRECIP BEGIN          11 PM        CONTINUING                             
PRECIP END            CONTINUING   5 PM                                   
MIXING HGT(FT-AGL)                 4410                      4550         
TRANSPORT WND (MPH)                E 12                      E 10         
VENT RATE (MPH-FT)                 52920                     45500        
DISPERSION (EVENING)  VERY POOR                 POOR                      
LAL                   1            1            1            1            
HAINES INDEX          4            3            2            3            
ADI EARLY             7 POOR       42 GEN GOOD  27 FAIR      43 GEN GOOD  
ADI LATE              1 VERY POOR  49 GEN GOOD  5 VERY POOR  37 FAIR      
MAX LVORI EARLY       4            6            3            3            
MAX LVORI LATE        4            1            3            1            

REMARKS...NONE.

.FORECAST FOR DAYS 3 THROUGH 7...
.SUNDAY NIGHT AND MONDAY...PARTLY CLOUDY. LOWS IN THE LOWER 40S.
HIGHS IN THE UPPER 60S. MINIMUM RH 44 PERCENT. SOUTH WINDS AROUND
5 MPH. 
.MONDAY NIGHT AND TUESDAY...MOSTLY CLOUDY. SHOWERS LIKELY AND A
CHANCE OF THUNDERSTORMS. LOWS IN THE LOWER 50S. HIGHS IN THE
LOWER 70S. MINIMUM RH 51 PERCENT. WEST WINDS 5 TO 10 MPH. 
.TUESDAY NIGHT AND WEDNESDAY...PARTLY CLOUDY. LOWS IN THE UPPER
40S. HIGHS IN THE UPPER 60S. MINIMUM RH 36 PERCENT. NORTHWEST
WINDS 5 TO 10 MPH. 
.WEDNESDAY NIGHT AND THURSDAY...PARTLY CLOUDY. LOWS IN THE MID
40S. HIGHS IN THE LOWER 70S. MINIMUM RH 37 PERCENT. WEST WINDS
5 TO 10 MPH. 
.THURSDAY NIGHT AND FRIDAY...MOSTLY CLOUDY. A CHANCE OF SHOWERS.
LOWS IN THE LOWER 50S. HIGHS IN THE UPPER 70S. MINIMUM RH
46 PERCENT. SOUTHWEST WINDS 5 TO 10 MPH.

.OUTLOOK 8 TO 14 DAYS...
TEMPERATURES ABOVE NORMAL.  PRECIPITATION ABOVE NORMAL.


 

Site specific forecasts for wildfires and prescribed burns may be obtained by contacting the National Weather Service in Blacksburg, VA at (540) 552-0084 or by submitting a Spot Request over the Internet.

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