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EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Blacksburg VA
431 PM EDT Tue Jul 14 2026
VAZ012-150800-
RAWS 447502
37.01N 81.18W Elev. 2540 ft
431 PM EDT Tue Jul 14 2026
Date 07/14/26 Wed 07/15/26 Thu 07/16/26 Fri
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 57 92 62 94 65
TEMP 84 76 63 60 57 62 79 86 91 82 69 65 63 66 81 88 92 83 71 67 65 69
DEWPT 60 62 59 57 55 59 64 64 62 65 63 62 61 64 68 64 64 65 64 64 63 66
MIN/MAX RH 91 38 95 39 96
RH 44 62 87 90 93 90 60 48 38 56 81 90 93 93 65 45 40 55 79 90 93 90
WIND DIR E E N NW NW NW N N N NW NW W W W N N NW NW NW W W W
WIND SPD 2 1 0 1 1 1 2 1 1 1 1 1 1 1 2 1 1 1 1 1 1 1
CLOUDS CL CL CL CL CL CL CL CL CL FW CL FW FW FW FW FW FW FW FW FW FW FW
CLOUDS(%) 1 1 3 1 1 2 1 5 0 6 3 22 12 23 7 16 12 9 15 11 13 22
VSBY 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10
POP 12HR 0 0 0 0 0
MIX HGT 5 <1 <1 <1 <1 <1 3 5 6 <1 <1 <1 <1 <1 4 6 6 <1
T WIND DIR E E S SW W W N N N NW NW W W NW N NW W W
T WIND SPD 8 4 2 3 3 2 9 4 2 3 4 3 3 2 5 2 2 2
DISPERSION VP VP VP VP VP VP VP VP VP VP VP VP
ADI 49 2 1 2 2 2 33 28 16 2 2 2 2 2 27 16 17 1
MAX LVORI 1 3 6 7 7 6 1 2 2 3 5 7 7 6 2 2 2 2
STABILITY A G G G G A A A A G G G G A A A A G
CEILING None None None None None None None None None
STA PRES 27.41 27.39 27.40 27.33 27.34 27.35 27.36 27.31
Date 07/17Sat 07/18/26Sun 07/19/26Mon 07/20/26Tue 07/21/26
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 92 64 87 64 86 63 87 63 87
TEMP 86 80 67 67 81 77 67 66 81 76 65 66 82 78 66 66 80 77
DEWPT 66 67 65 67 68 67 66 66 68 67 65 66 66 66 64 66 66 65
RH 51 65 93100 65 71 97100 65 74100100 58 67 93100 62 67
WIND SPD <15 <15 <15 <15 <15 <15 <15 <15 <15
AVG CLOUDS FW B1 B1 SC B1 B2 B1 B1 B1 B1 SC SC B1 B1 SC SC B1 B1
POP 12HR 50 40 70 40 40 20 30 20 40
RAIN SHWRS SC SC SC NM SC IS IS SC IS SC IS IS IS SC
TSTMS SC SC IS SC IS IS SC 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