Roanoke County Requested Product
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FNUS51 KRNK 181440
FWFRNK

FIRE WEATHER PLANNING FORECAST FOR SW VA...SE WV AND NW NC
NATIONAL WEATHER SERVICE BLACKSBURG VA
1040 AM EDT FRI APR 18 2014

.DISCUSSION...
HIGH PRESSURE WILL REMAIN ANCHORED ACROSS THE NORTHEAST U.S. 
THROUGH THE WEEKEND. A DEEP AREA OF LOW PRESSURE WILL DEVELOP
ACROSS THE SOUTHEAST STATES TODAY AND MOVE VERY SLOWLY EAST
THROUGH MONDAY. THIS WEATHER SYSTEM WILL BRING AN INCREASINGLY
MOIST EASTERLY FLOW TO THE REGION TODAY THROUGH SATURDAY.
EXTENSIVE CLOUD COVER IS EXPECTED THROUGH SATURDAY WITH LIGHT
RAIN SPREADING INTO SOUTHERN VIRGINIA AND NORTH CAROLINA LATE 
THIS AFTERNOON OR EARLY 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 AND UPPER TROUGH WILL BRING A 
GOOD CHANCE OF SHOWERS AND PERHAPS EVEN SOME THUNDERSTORMS TO
THE REGION TUESDAY.

TEMPERATURES WILL REMAIN ON THE COOL SIDE THROUGH SATURDAY WITH
HIGHS MOSTLY IN THE 50S...MODERATING INTO THE 60S WEST AND LOWER
70S EAST BY EARLY NEXT WEEK.

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 THROUGH EARLY NEXT WEEK AT
THIS TIME.

VAZ022-182115-
ROANOKE-
INCLUDING THE CITIES OF...ROANOKE...SALEM
1040 AM EDT FRI APR 18 2014

                      TODAY        TONIGHT      SAT          

CLOUD COVER           MCLDY        CLOUDY       PCLDY        
PRECIP TYPE           NONE         RAIN         RAIN         
CHANCE PRECIP (%)     0            30           30           
MAX/MIN TEMP          58           42           62           
MIN/MAX RH %          43           92           45           
WND20FT2MIN/EARLY(MPH)LGT/VAR      LGT/VAR      NE  4        
WND20FT2MIN/LATE(MPH) SE  3        LGT/VAR      NE  9        
PRECIP AMOUNT         0.00         0.00         0.02         
PRECIP DURATION                    1            1            
PRECIP BEGIN                       9 PM         CONTINUING   
PRECIP END                         CONTINUING   2 PM         
MIXING HGT(FT-AGL)    3890                      4380         
TRANSPORT WND (MPH)   SW  7                     E 15         
VENT RATE (MPH-FT)    27230                     65700        
DISPERSION (EVENING)               VERY POOR                 
LAL                   1            1            1            
HAINES INDEX          4            4            3            
ADI EARLY             10 POOR      7 POOR       34 FAIR      
ADI LATE              17 GEN POOR  3 VERY POOR  51 GEN GOOD  
MAX LVORI EARLY       4            3            6            
MAX LVORI LATE        2            4            1            

REMARKS...NONE.

.FORECAST FOR DAYS 3 THROUGH 7...
.SATURDAY NIGHT AND SUNDAY...MOSTLY CLEAR. LOWS IN THE MID 40S.
HIGHS IN THE MID 60S. MINIMUM RH 36 PERCENT. NORTHEAST WINDS 5 TO
10 MPH. 
.SUNDAY NIGHT AND MONDAY...PARTLY CLOUDY. LOWS IN THE MID 40S.
HIGHS IN THE LOWER 70S. MINIMUM RH 39 PERCENT. SOUTHWEST WINDS
AROUND 5 MPH. 
.MONDAY NIGHT AND TUESDAY...MOSTLY CLOUDY. A CHANCE OF SHOWERS.
LOWS IN THE LOWER 50S. HIGHS IN THE MID 70S. MINIMUM RH
49 PERCENT. SOUTHWEST WINDS AROUND 5 MPH. 
.TUESDAY NIGHT AND WEDNESDAY...PARTLY CLOUDY. LOWS AROUND 50.
HIGHS IN THE LOWER 70S. MINIMUM RH 37 PERCENT. NORTHWEST WINDS
5 TO 10 MPH. 
.WEDNESDAY NIGHT AND THURSDAY...PARTLY CLOUDY. LOWS AROUND 50.
HIGHS IN THE UPPER 70S. MINIMUM RH 39 PERCENT. WEST 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.

Note: Please review the Request Procedures before submitting a request. Certain limitations apply.