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Spot Forecast
Issued by NWS Blacksburg, VA
Issued by NWS Blacksburg, VA
579 FNUS71 KRNK 080251 FWSRNK Spot Forecast for Row...USFS National Weather Service Blacksburg VA 1051 PM EDT Sun Jul 7 2024 Forecast is based on forecast start time of 2300 EDT on July 07. If conditions become unrepresentative, contact the National Weather Service. .DISCUSSION... Typical summertime weather pattern expected this week with hot/humid weather during the day and muggy conditions with little airflow at night. There will be a chance for afternoon and evening thunderstorms each day, beginning Monday, but wetting will be hit and miss. Humidity minimums during the day are expected to remain above 50 percent with excellent recovery at night. Wind will be light, generally down river late at night and early morning, and up river during the afternoon and evening. .REST OF TONIGHT... Sky/weather.........Partly cloudy (40-60 percent cloud cover). CWR (0.01 in).......10 percent. Min temperature.....Around 72. Max humidity........78 percent. Wind (20 ft)........Light winds down river. Mixing height.......500 ft AGL. Mixing winds........South 1 to 3 mph. Smoke dispersal.....Poor (600 knot-ft). LVORI...............4. ADI.................1. Haines Index........3 to 4 or very low to low potential for large plume dominated fire growth. TIME (EDT) 11P MID 1AM 2AM 3AM 4AM 5AM Sky (%).........61 72 65 61 50 48 44 Weather cov..... Weather type.... Tstm cov........ CWR.............0 10 0 0 10 0 0 Temp............79 78 77 76 75 74 74 RH..............69 72 74 75 76 76 76 20 FT wind dir..S SE S NW NW NW N 20 FT wind spd..2 2 0 1 1 1 1 20 FT wind gust. Mix hgt (kft)...0.5 0.5 0.5 0.6 0.5 0.5 0.5 Mixng wind dir..SW S S S S S S Mixng wind spd..2 1 1 2 2 2 2 LVORI...........3 4 4 4 4 4 4 ADI.............1 1 1 1 1 1 1 Haines index....4 4 4 4 3 3 3 VRate mph-ft/1K.1 1 1 1 1 1 1 .MONDAY... Sky/weather.........Mostly sunny (40-50 percent). Chance of showers and thunderstorms in the afternoon. CWR (0.01 in).......10 percent increasing to 40 percent. Max temperature.....Around 92. Min humidity........55 percent. Wind (20 ft)........Light winds...up river during the afternoon and evening. Gusty and erratic winds expected near thunderstorms early in the afternoon. Mixing height.......5800 ft AGL. Mixing winds........Southwest around 2 mph increasing to 7 to 9 mph. Smoke dispersal.....Poor (900 knot-ft) early in the morning increasing to good (43200 knot-ft) in the afternoon. LVORI...............3. ADI.................1 early in the morning increasing to 61 in the afternoon. Haines Index........3 to 4 or very low to low potential for large plume dominated fire growth. TIME (EDT) 6 AM 8 AM 10 AM NOON 2 PM 4 PM Sky (%).........37 39 48 52 48 47 Weather cov..... S CHC CHANCE Weather type....NONE NONE NONE NONE RNSHWR RNSHWR Tstm cov........ CHANCE CHANCE CWR.............0 10 10 10 30 40 Temp............74 77 86 89 90 91 RH..............78 75 66 62 57 56 20 ft wind......NW 1 N 0 E 2 SE 2 SE 4 SE 4 20 ft wind gust. 4 6 6 Mix hgt (ft)....500 700 2800 4600 5400 5500 Mixing wind......SW 2 W 2 SW 5 SW 7 S 9 S 8 LVORI...........4 4 3 1 1 1 ADI.............1 2 16 39 61 52 Haines index....3 3 4 4 4 4 VRate mph-ft/1K.1 2 12 33 50 42 .MONDAY NIGHT... Sky/weather.........Mostly cloudy (45-55 percent) then becoming partly cloudy (35-45 percent). Chance of showers and thunderstorms in the evening. CWR (0.01 in).......30 percent decreasing to 0 percent. Min temperature.....Around 73. Max humidity........92 percent. Wind (20 ft)........Light winds. Gusty and erratic winds expected near thunderstorms early in the evening. Mixing height.......500 ft AGL. Mixing winds........South 2 to 8 mph shifting to the northwest around 2 mph after 3 am. Smoke dispersal.....Fair (22000 knot-ft) early in the evening decreasing to poor (800 knot-ft) late in the night. LVORI...............5. ADI.................1 to 25. Haines Index........3 to 4 or very low to low potential for large plume dominated fire growth. TIME (EDT) 6 PM 8 PM 10 PM MIDNGT 2 AM 4 AM Sky (%).........52 34 38 41 47 48 Weather cov.....CHANCE CHANCE S CHC S CHC Weather type....RNSHWR RNSHWR RNSHWR RNSHWR NONE NONE Tstm cov........CHANCE S CHC S CHC S CHC CWR.............30 30 20 10 0 0 Temp............90 85 79 76 75 73 RH..............56 68 80 87 90 92 20 ft wind......S 4 SE 2 S 2 S 2 SW 1 NW 1 20 ft wind gust.6 4 2 2 Mix hgt (ft)....3400 900 600 500 500 500 Mixing wind......S 7 S 8 S 5 S 2 SW 2 W 2 LVORI...........2 3 5 6 7 7 ADI.............25 4 2 1 1 1 Haines index....4 4 3 3 3 4 VRate mph-ft/1K.25 7 2 1 1 1 .TUESDAY... Sky/weather.........Mostly sunny (40-50 percent). Chance of showers and thunderstorms late in the afternoon. CWR (0.01 in).......10 percent increasing to 30 percent. Max temperature.....Around 96. Min humidity........48 percent. Wind (20 ft)........Light winds. Gusty and erratic winds expected near thunderstorms in the afternoon. Mixing height.......6900 ft AGL. Mixing winds........Light and Variable in the morning, becoming southwest around 5 mph late in the afternoon. Smoke dispersal.....Poor (0 knot-ft) early in the morning increasing to fair (26500 knot-ft) in the afternoon. LVORI...............5. ADI.................0 to 33. Haines Index........4 to 5 or low to moderate potential for large plume dominated fire growth. TIME (EDT) 6 AM 9 AM NOON 3 PM Sky (%).........48 43 44 52 Weather cov..... CHANCE Weather type....NONE NONE NONE RNSHWR Tstm cov........ CHANCE CWR.............0 10 10 30 Temp............74 80 91 95 RH..............92 80 57 48 20 FT wind......W 1G2 W 1G2 S 2G4 SE 3G5 Mix hgt (ft)....500 1700 4900 6800 Mixing wind.....NW 1 W 1 W 5 SW 3 LVORI...........8 5 2 2 ADI.............1 3 28 29 Haines index....4 4 4 5 VRate mph-ft/1K.1 2 22 24 $$ Forecaster...Manuel Requested by...Brent Foltz Type of request...WILDFIRE .TAG 2417590.0/RNK .DELDT 07/07/24 .FormatterVersion 2.0.0 .EMAIL brent.foltz@usda.gov