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EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Blacksburg VA
131 PM EDT Fri Jul 10 2026
VAZ018-102000-
RAWS 444002
37.56N 80.18W Elev. 2702 ft
131 PM EDT Fri Jul 10 2026
Date Fri 07/10/26 Sat 07/11/26 Sun 07/12/26
UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00
EDT 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20
MAX/MIN TEMP 84 68 85 66 79
TEMP 82 79 72 71 70 69 70 79 83 81 74 70 69 67 68 74 77 76 70
DEWPT 71 71 69 68 67 67 68 71 71 70 68 66 66 65 66 69 69 69 66
MAX/MIN RH 69 95 66 96 76
RH 69 77 90 90 90 93 93 77 67 69 82 87 90 93 93 84 76 79 87
WIND DIR W W W W NW NW NW NW W NW NW NW NE E E E E E E
WIND SPD 6 6 4 3 3 3 4 4 5 5 2 1 1 1 2 3 4 4 3
WIND GUST 18 19 18 16 14 14 17 14 16 12
CLOUDS B2 B2 B2 B1 B1 B1 SC B1 B1 B1 B1 B2 B2 OV OV B2 B2 B2 B2
CLOUDS(%) 81 79 77 57 67 66 43 52 54 67 62 76 74 93 89 84 86 86 86
VSBY 10 10 10 9 7 5 7 8 10 10 10 7 3 4 4 6 10 10 10
POP 12HR 70 20 40 60 80
RAIN SHWRS SC NM SC SC IS SC SC SC O O O O SC
TSTMS SC SC SC SC IS IS SC SC IS
MIX HGT 4 3 1 <1 <1 <1 1 3 3 3 <1 <1 <1 <1 1 2 3 3 1
T WIND DIR W SW SW W W NW NW NW NW NW NW N NE E E E E E E
T WIND SPD 11 5 11 6 5 6 11 9 13 17 8 2 3 4 4 13 19 18 17
DISPERSION VP VP VP VP VP VP VP VP VP
ADI 41 17 8 3 3 3 18 28 48 52 4 1 2 2 7 38 59 62 8
MAX LVORI 1 3 5 6 6 6 5 3 1 1 5 6 7 6 6 4 3 3 5
STABILITY C C E F F F A C C C F F F F B B C C F
CEILING 1000 700 700 None 3200 6100 3400 100 500
STA PRES 27.76 27.74 27.76 27.81 27.81 27.84 27.87 27.91 27.90
Date Mon 07/13/26Tue 07/14/26Wed 07/15/26Thu 07/16/26
UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00
EDT 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20
MIN/MAX TEMP 63 79 62 87 65 93 69 93
TEMP 67 64 76 72 65 66 85 78 67 69 91 83 71 72 92 80
DEWPT 64 63 65 63 60 61 64 65 61 63 65 66 65 66 66 65
RH 90 97 69 73 84 84 50 64 81 81 42 57 81 81 43 60
WIND SPD <15 <15 <15 <15 <15 <15 <15 <15
AVG CLOUDS B2 B2 B2 B1 SC SC FW FW FW CL FW FW FW FW FW SC
POP 12HR 50 20 5 5 0 5 0 10
RAIN SHWRS SC SC IS IS
TSTMS IS IS
$$
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