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EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Blacksburg VA
1001 AM EDT Fri Jul 10 2026
VAZ018-102000-
RAWS 444002
37.56N 80.18W Elev. 2702 ft
1001 AM 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 82 67 84 65 81
TEMP 75 80 77 73 71 71 70 70 78 83 80 73 70 67 66 68 75 80 78 72
DEWPT 69 68 69 68 67 67 67 68 71 71 70 68 66 66 65 65 69 69 68 66
MAX/MIN RH 68 95 67 97 69
RH 82 67 76 84 87 87 90 93 79 67 72 84 87 97 97 90 82 69 71 81
WIND DIR W W W W W W NW W NW W NW NW NW NW N NE E E E E
WIND SPD 8 8 9 6 6 3 3 3 4 5 5 2 1 1 1 2 3 4 4 3
WIND GUST 13 13 16 16 16 17 12 13
CLOUDS B2 B2 B1 B1 B1 B2 SC SC B2 B2 B2 B1 B1 B1 B2 B2 B2 B2 B2 B2
CLOUDS(%) 83 79 69 61 54 75 40 47 71 72 74 69 64 68 74 76 76 80 80 81
VSBY 9 10 10 10 9 7 5 7 9 7 5 3 4 0 1 3 10 10 10 10
POP 12HR 70 40 60 40 70
RAIN SHWRS IS SC SC SC IS IS IS NM SC SC SC SC SC SC SC NM NM SC
TSTMS SC IS IS SC IS IS IS SC SC IS
MIX HGT 3 4 3 <1 <1 <1 <1 1 2 4 3 1 <1 <1 <1 <1 2 3 2 1
T WIND DIR W W W W W W W NW NW NW NW NW NW W NW NE E E E E
T WIND SPD 14 18 17 8 10 5 4 9 5 8 16 17 2 3 3 10 12 10 12 14
DISPERSION PR PR VP VP VP VP VP VP VP
ADI 48 67 51 4 7 3 2 15 15 29 55 8 1 2 2 11 31 34 33 7
MAX LVORI 3 1 3 5 5 6 6 5 4 3 3 4 7 7 8 5 3 3 3 4
STABILITY C C C F E F G A C C C F F F F B B C C F
CEILING 2000 None None 1200 3100 1600 400 600 3000
STA PRES 27.76 27.78 27.79 27.80 27.79 27.85 27.89 27.95 27.94
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 80 62 87 65 92 69 93
TEMP 66 66 78 73 65 66 84 78 67 69 90 82 71 72 91 82
DEWPT 63 63 63 63 58 60 62 64 60 62 66 66 65 66 66 66
RH 90 90 60 71 78 81 48 62 78 78 45 58 81 81 44 58
WIND SPD <15 <15 <15 <15 <15 <15 <15 <15
AVG CLOUDS B2 B2 B1 B1 B1 FW SC FW FW FW FW FW FW FW FW FW
POP 12HR 30 20 5 5 5 5 5 10
RAIN SHWRS SC IS 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