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EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Blacksburg VA
301 PM EDT Sat Jul 11 2026
VAZ012-120800-
RAWS 447502
37.01N 81.18W Elev. 2540 ft
301 PM EDT Sat Jul 11 2026
Date 07/11/26 Sun 07/12/26 Mon 07/13/26 Tue
UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12
EDT 3hrly 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08
MIN/MAX TEMP 60 77 59 73 58
TEMP 74 70 66 64 63 64 70 72 72 68 65 64 63 63 67 69 72 68 63 61 60 62
DEWPT 69 67 65 64 63 64 69 68 67 65 64 63 63 63 67 67 66 64 63 61 60 62
MIN/MAX RH 100 79 100 81 100
RH 84 90 97100100100 97 87 84 90 97 97100100100 93 81 87100100100100
WIND DIR W W NW N N NW NW E E E E E E E E E E E E E E E
WIND SPD 2 2 1 0 0 1 1 1 1 2 2 2 2 3 2 3 2 2 2 2 2 2
CLOUDS B2 B1 B1 B2 B2 OV OV OV B2 B1 B2 B2 B2 B2 OV OV OV B2 B2 B2 B2 B1
CLOUDS(%) 74 62 58 72 77 89 88 90 81 69 85 85 86 86 88 92 91 72 72 76 78 65
VSBY 7 10 5 4 2 3 5 10 10 8 2 4 4 4 6 10 10 10
POP 12HR 70 80 80 90 20
RAIN SHWRS SC SC SC SC SC SC NM NM NM SC NM NM NM O O O O IS IS
TSTMS SC IS IS IS SC SC SC IS SC SC IS
Obvis F F F F F
MIX HGT 2 <1 <1 <1 <1 <1 2 2 2 <1 <1 <1 <1 <1 2 2 2 <1
T WIND DIR N W NW NW NW N E N E E E E E E E E E E
T WIND SPD 5 5 5 4 3 2 4 1 4 11 9 8 8 11 11 10 12 9
DISPERSION VP VP VP VP VP VP VP VP VP VP VP VP
ADI 15 3 3 2 2 2 11 4 10 5 4 4 4 12 23 29 33 4
MAX LVORI 4 6 9 9 10 9 7 6 4 6 9 9 9 5 5 4 3 5
STABILITY B F F F F B B B B F F F F B B B B F
CEILING 100 100 200 1700 800 200 200 1200 6100
STA PRES 27.30 27.32 27.36 27.34 27.37 27.37 27.42 27.40
Date 07/14Wed 07/15/26Thu 07/16/26Fri 07/17/26Sat 07/18/26
UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00
EDT 6hrly 14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20
MAX/MIN TEMP 82 60 89 63 90 63 89 63 87
TEMP 77 75 62 64 84 79 65 66 85 80 66 66 84 79 66 66 81 77
DEWPT 66 66 61 64 66 67 63 66 66 66 63 66 66 66 64 66 67 66
RH 69 74 97100 55 67 93100 53 62 90100 55 64 93100 63 69
WIND SPD <15 <15 <15 <15 <15 <15 <15 <15 <15
AVG CLOUDS B1 SC FW FW FW FW CL FW FW SC FW FW SC B1 SC SC SC B1
POP 12HR 20 5 10 5 20 5 40 20 40
RAIN SHWRS IS IS IS SC IS IS SC
TSTMS IS IS IS SC IS SC
$$
This product is for planning and review purposes only and is not
to be substituted for an official fire weather spot forecast. The
data displayed are calculated from a 2.5 by 2.5 km digital
database and only approximates weather conditions in highly
varying terrain. Please relay any comments you have to the NWS via
email at rnk.webmaster@noaa.gov.
Below is a weather element key for this product.
(Note...winds do not reflect local terrain effects.)
DAY 1 THROUGH 3...
MAX/MIN TEMP OR MIN/MAX TEMP(F).....Maximum/Minimum air temperature
TEMP(F).............................Air temperature
DEWPT(F)............................Dew point temperature
MIN/MAX RH OR MAX/MIN RH(%).........Maximum/Minimum humdity
RH(%)...............................Relative humidity
WIND DIR(8 POINT COMPASS)...........Wind direction
WIND SPD(MPH).......................Wind speed
CLOUDS(CATEGORY)....................Cloud cover category
EXAMPLE: CL = CLEAR; FW = FEW; SC = Scattered; BK = Broken; OV = Overcast
CLOUDS(%)...........................Cloud cover as a percentage
VSBY................................Visibility value in statute miles
POP 12HR(%).........................Probability for accumulating precipitation
WEATHER...
TYPE...
RAIN...........Rain
RAIN SHWRS.....Rain showers
TSTMS..........Thunderstorms
DRIZZLE........Drizzle
SNOW...........Snow
SNOWSHWRS......Snow showers
SLEET..........Sleet
FRZG RAIN......Freezing rain
FRZG DRZL......Freezing drizzle
COVERAGE...
IS.............Isolated
SC.............Scattered
NM.............Numerous
O..............Occasional
S..............Slight chance
C..............Chance
L..............Likely
WD.............Widespread
D..............Definite
AR.............Areas
PA.............Patchy
MIX HGT(THOUSANDS OF FT AGL)........Mixing height
Example: 6 = 6000 feet; 12 = 12000 feet; <1 = Less than 1000 foot
t WIND DIR(8 POINT COMPASS).........Transport Wind direction
T WIND SPD(MPH).....................Transport Wind speed
DISPERSION(CATEGORY)................Smoke Dispersion category
Values: vp =Very Poor;PR = Poor; FR = Fair; GD = Good;
ADI (INDEX).........................Atmospheric Dispersion Index
MAX LVORI (INDEX)...................Low Visibility Occurrence Risk Index
STABILITY (CATEGORY)................Pasquill Turner Stability
CEILING (FT)........................Ceiling
STA PRES (INCHES MERCURY)...........Station pressure
Day 4 Through 7...
MAX/MIN TEMP OR MIN/MAX TEMP(F).....Maximum/Minimum air temperature
TEMP(F).............................Air temperature
DEWPT(F)............................Dew Point temperature
RH(%)...............................Relative Humidity
WIND SPD(MPH).......................Wind Speed
Example: <15 = less than 15 MPH; 15> = 15 MPH or greater
AVE CLOUDS(CATEGORY)................Average Cloud Cover Category
POP 12HR(%).........................Probability for accumulating precipitation
WEATHER.............................See Day 1 through 3 weather descriptions