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EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Blacksburg VA
401 PM EDT Mon Oct 12 2026
VAZ018-130800-
RAWS 444002
37.56N 80.18W Elev. 2702 ft
401 PM EDT Mon Oct 12 2026
Date 10/12/26 Tue 10/13/26 Wed 10/14/26 Thu
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 56 82 63 85 66
TEMP 66 61 57 57 56 56 72 80 80 67 65 65 63 63 76 84 83 70 68 68 67 66
DEWPT 57 58 55 54 54 54 63 64 64 62 60 59 58 59 66 67 67 65 63 63 64 64
MIN/MAX RH 92 56 86 56 94
RH 73 90 93 90 93 93 73 58 58 84 84 81 84 87 71 57 59 84 84 84 90 93
WIND DIR NW NW NW NW NW W W W W W W W W W W W W W W W W W
WIND SPD 11 4 3 3 3 4 3 4 4 3 4 4 5 5 4 5 4 3 3 3 2 1
WIND GUST 21 14 14 16 16 18 18 17 16 14 13
CLOUDS SC SC SC FW FW FW CL CL CL CL CL CL CL FW CL FW FW SC SC B1 SC B1
CLOUDS(%) 30 40 37 9 11 17 2 4 5 1 2 4 1 10 3 21 18 30 39 51 44 64
VSBY 10 10 10 10 9 7 10 10 10 10 10 10 10 10 10 10 10 10
POP 12HR 0 0 0 0 5
RAIN SHWRS SC
MIX HGT 2 <1 <1 <1 <1 <1 2 4 4 <1 <1 <1 <1 <1 2 3 3 <1
T WIND DIR NW NW W W W W W W W W W W NW NW NW W W W
T WIND SPD 14 5 4 5 5 5 6 16 16 4 6 9 9 8 17 19 10 6
DISPERSION VP VP VP VP VP VP VP PR VP VP VP VP
ADI 32 3 2 3 3 6 17 76 72 2 3 4 4 8 48 78 39 3
MAX LVORI 3 6 6 6 6 6 3 1 1 5 5 5 5 4 3 1 1 5
STABILITY C F G G G B B B B G F F F B B B B G
CEILING None None None None None None None None None
STA PRES 27.81 27.81 27.83 27.79 27.82 27.82 27.86 27.83
Date 10/15Fri 10/16/26Sat 10/17/26Sun 10/18/26Mon 10/19/26
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 77 64 78 44 57 35 61 40 67
TEMP 75 68 67 66 75 58 51 44 55 44 39 36 58 49 43 41 64 55
DEWPT 70 66 64 64 65 50 41 36 36 33 32 31 39 38 36 34 46 46
RH 84 93 90 93 71 75 68 73 49 65 76 82 49 66 76 76 52 72
WIND SPD <15 <15 <15 15> <15 <15 <15 <15 <15
AVG CLOUDS B1 B2 B1 B1 B1 SC SC SC SC FW FW FW FW FW FW FW FW SC
POP 12HR 70 40 20 10 5 0 0 0 0
RAIN SHWRS SC NM SC IS IS
TSTMS IS IS 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