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FNUS51 KRNK 211907
FWFRNK
FIRE WEATHER PLANNING FORECAST FOR SW VA...SE WV AND NW NC
NATIONAL WEATHER SERVICE BLACKSBURG VA
307 PM EDT TUE MAY 21 2013
.DISCUSSION...
FIRE WEATHER THREATS WILL REMAIN LOW INTO THURSDAY...WITH
SHOWERS AND THUNDERSTORMS IN THE FORECAST. LOW PRESSURE ALOFT
ACROSS SOUTHERN VIRGINIA WILL PUSH EAST INTO THE ATLANTIC
OCEAN TONIGHT. A LARGE LOW PRESSURE SYSTEM WILL TRACK FROM
THE CENTRAL PLAINS INTO THE GREAT LAKES BY THURSDAY. THIS
SYSTEM WILL PUSH A COLD FRONT THROUGH THE AREA THURSDAY...FOLLOWED
BY HIGH PRESSURE ON FRIDAY.
RELATIVE HUMIDITY AS LOW AS THE 40 AND 50S THIS AFTERNOON WILL
REBOUND QUICKLY TONIGHT TO MAXIMUM FROM 85 TO 100 PERCENT. MINIMUM
RELATIVE HUMIDITY WEDNESDAY AFTERNOON WILL VARY FROM THE MID 40S TO
AROUND 70 PERCENT ALONG SOUTHERN BLUE RIDGE.
VAZ015-220915-
GRAYSON-
INCLUDING THE CITIES OF...INDEPENDENCE...WHITETOP...TROUTDALE...
VOLNEY
307 PM EDT TUE MAY 21 2013
TONIGHT WED WED NIGHT THU
CLOUD COVER PCLDY PCLDY MCLDY PCLDY
PRECIP TYPE TSTMS TSTMS TSTMS TSTMS
CHANCE PRECIP (%) 50 50 50 50
MIN/MAX TEMP 58 78 59 71
MAX/MIN RH % 98 55 92 53
WND20FT2MIN/EARLY(MPH)LGT/VAR LGT/VAR S 6 SW 5
WND20FT2MIN/LATE(MPH) LGT/VAR S 6 S 5 W 7
PRECIP AMOUNT 0.04 0.13 0.13 0.16
PRECIP DURATION 3 2 2 2
PRECIP BEGIN 6 PM CONTINUING CONTINUING CONTINUING
PRECIP END CONTINUING CONTINUING CONTINUING CONTINUING
MIXING HGT(FT-AGL) 6670 7870
TRANSPORT WND (MPH) SW 16 W 21
VENT RATE (MPH-FT) 106720 165270
DISPERSION (EVENING) POOR POOR
LAL 3 3 3 3
HAINES INDEX 4 4 3 4
ADI EARLY 41 GEN GOOD 33 FAIR 49 GEN GOOD 52 GEN GOOD
ADI LATE 5 VERY POOR 50 GEN GOOD 16 GEN POOR 70 GOOD
MAX LVORI EARLY 4 8 4 5
MAX LVORI LATE 6 3 4 1
REMARKS...NONE.
.FORECAST FOR DAYS 3 THROUGH 7...
.THURSDAY NIGHT AND FRIDAY...MOSTLY CLOUDY. LOWS IN THE LOWER
50S. HIGHS IN THE MID 60S. MINIMUM RH 55 PERCENT. NORTHWEST WINDS
10 TO 15 MPH.
.FRIDAY NIGHT AND SATURDAY...MOSTLY CLEAR. LOWS IN THE LOWER 40S.
HIGHS IN THE MID 60S. MINIMUM RH 47 PERCENT. NORTHWEST WINDS
10 TO 15 MPH.
.SATURDAY NIGHT AND SUNDAY...MOSTLY CLOUDY. LOWS IN THE UPPER
40S. HIGHS IN THE UPPER 60S. MINIMUM RH 56 PERCENT. SOUTH WINDS
AROUND 5 MPH.
.SUNDAY NIGHT AND MONDAY...MOSTLY CLOUDY WITH A CHANCE OF
SHOWERS. LOWS IN THE MID 50S. HIGHS IN THE UPPER 60S. MINIMUM RH
65 PERCENT. SOUTH WINDS AROUND 5 MPH.
.MONDAY NIGHT AND TUESDAY...MOSTLY CLOUDY. LOWS IN THE MID 50S.
HIGHS AROUND 70. MINIMUM RH 65 PERCENT. SOUTH WINDS AROUND 5 MPH.
.OUTLOOK 8 TO 14 DAYS...
TEMPERATURES ABOVE NORMAL. PRECIPITATION NEAR 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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Note:
Please review the
Request Procedures before submitting a request.
Certain limitations apply.
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