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EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Blacksburg VA
701 AM EDT Wed Jul 15 2026
NCZ003-152000-
RAWS 310302
36.35N 80.48W Elev. 1076 ft
701 AM EDT Wed Jul 15 2026
Date Wed 07/15/26 Thu 07/16/26 Fri 07/17/26
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 92 68 95 73 93
TEMP 67 82 89 92 85 74 70 69 73 88 93 94 88 78 77 75 76 87 91 91 85
DEWPT 62 66 65 65 67 66 66 65 66 69 64 64 68 68 66 65 68 69 68 67 68
MAX/MIN RH 40 88 36 80 43
RH 84 58 45 41 55 76 87 87 79 54 38 37 52 71 69 71 76 55 47 45 57
WIND DIR NW NW SW SW SW W W NW N N NE S W W NW NW N NE E SE S
WIND SPD 2 3 2 2 2 2 3 4 4 3 3 2 2 3 4 5 5 5 4 3 3
CLOUDS FW CL CL CL CL CL FW FW CL FW FW FW SC FW FW CL CL CL SC SC B1
CLOUDS(%) 8 1 4 3 1 3 9 7 4 8 22 16 36 14 10 3 5 5 30 30 54
VSBY 10 10 10 10 10 10 9 9 9 10 10 10 10 10 10 10 10 10 10 10 10
POP 12HR 0 0 0 0 20
RAIN SHWRS IS IS SC
TSTMS IS IS IS
MIX HGT <1 3 5 5 <1 <1 <1 <1 <1 4 7 8 <1 <1 <1 <1 <1 5 7 7 <1
T WIND DIR NW N N SW SW SW W NW NW N NW W W W NW N N E E SE NE
T WIND SPD 1 6 3 1 5 3 2 3 4 6 3 4 6 3 4 4 4 5 3 4 1
DISPERSION VP VP VP VP VP VP VP PR VP
ADI 1 23 22 7 3 2 1 2 4 36 29 42 3 2 2 2 4 33 31 41 1
MAX LVORI 5 2 2 2 3 4 6 6 4 1 2 1 2 3 3 3 3 1 1 1 3
STABILITY A A A A G G G F A A A A G G F F A A A A F
CEILING None None None None None None None None None None
STA PRES 29.04 28.96 28.96 28.96 28.97 28.92 28.93 28.95 28.97 28.93
Date Sat 07/18/26Sun 07/19/26Mon 07/20/26Tue 07/21/26
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 71 91 70 90 69 91 70 91
TEMP 73 73 89 83 72 72 87 83 72 71 88 84 72 72 89 84
DEWPT 70 71 71 71 71 70 71 70 69 68 67 67 68 69 69 70
RH 90 93 56 67 97 93 59 65 90 90 50 57 87 90 52 63
WIND SPD <15 <15 <15 <15 <15 <15 <15 <15
AVG CLOUDS B1 SC SC B2 B1 SC B1 SC SC SC SC SC SC SC SC B1
POP 12HR 30 60 30 20 20 10 10 30
RAIN SHWRS SC IS NM SC IS IS IS SC
TSTMS IS SC SC IS 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