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EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Blacksburg VA
1201 PM EST Sun Nov 15 2026
VAZ012-152100-
RAWS 447502
37.01N 81.18W Elev. 2540 ft
1201 PM EST Sun Nov 15 2026
Date Sun 11/15/26 Mon 11/16/26 Tue 11/17/26
UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00
EST 3hrly 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19
MAX/MIN TEMP 39 26 53 28 60
TEMP 36 35 35 32 30 29 28 41 49 51 42 37 34 32 30 46 56 57 47
DEWPT 32 29 30 30 30 29 28 32 31 30 30 29 28 27 25 32 27 24 26
MAX/MIN RH 76 100 43 88 27
RH 85 78 82 92100100100 70 50 44 62 72 78 81 81 58 32 28 43
WIND DIR NW NW NW N N N N N N N N NW N N N N S SE SE
WIND SPD 4 3 5 4 3 3 3 2 3 3 3 2 0 0 0 0 1 1 1
CLOUDS OV OV B2 B1 B1 SC SC SC CL CL CL CL CL FW FW FW FW CL CL
CLOUDS(%) 100100 87 63 54 39 42 28 5 4 1 2 4 9 9 7 7 2 0
VSBY 10 10 10 10 9 9 9 10 10 10 10 9 8 8 8 9 10 10 10
POP 12HR 10 0 0 0 0
MIX HGT 3 3 1 1 <1 <1 <1 2 2 3 <1 <1 <1 <1 <1 1 3 2 <1
T WIND DIR NW NW N N N N N N N N N N N N N NE N N N
T WIND SPD 13 13 10 9 8 8 6 8 6 8 6 6 5 4 3 4 4 4 4
DISPERSION PR VP VP VP VP VP VP VP VP
ADI 46 43 5 4 4 4 7 19 22 27 3 3 3 2 3 7 18 10 2
MAX LVORI 3 3 4 4 5 6 6 3 2 2 3 4 5 6 8 2 2 2 2
STABILITY C C F F F G A A A A G G G G A A A A G
CEILING 1700 2600 None None None None None None None
STA PRES 27.50 27.55 27.58 27.63 27.62 27.65 27.67 27.70 27.66
Date Wed 11/18/26Thu 11/19/26Fri 11/20/26Sat 11/21/26
UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00
EST 6hrly 01 07 13 19 01 07 13 19 01 07 13 19 01 07 13 19
MIN/MAX TEMP 30 64 31 68 33 67 35 67
TEMP 37 32 60 46 38 32 66 47 39 34 66 48 41 35 65 48
DEWPT 25 25 25 26 26 21 28 28 27 26 35 34 33 31 36 34
RH 61 75 26 45 62 63 24 47 62 72 32 58 73 85 34 58
WIND SPD <15 <15 <15 <15 <15 <15 <15 <15
AVG CLOUDS CL CL CL CL CL FW FW SC FW FW FW FW FW FW FW FW
POP 12HR 0 0 0 0 0 0 0 0
$$
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