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EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Blacksburg VA
401 PM EST Wed Jan 14 2026
VAZ018-150900-
RAWS 444002
37.56N 80.18W Elev. 2702 ft
401 PM EST Wed Jan 14 2026
Date 01/14/26 Thu 01/15/26 Fri 01/16/26 Sat
UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12
EST 3hrly 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07
MIN/MAX TEMP 17 26 18 42 30
TEMP 43 37 28 24 19 22 23 23 21 20 19 19 19 27 38 41 35 33 32 31 31
DEWPT 34 31 20 13 8 7 5 4 5 5 5 5 5 5 7 13 14 16 21 23 25
MIN/MAX RH 77 43 56 27 77
RH 70 79 71 62 61 52 45 43 49 51 54 54 54 38 27 31 41 49 63 72 78
WIND DIR W NW NW NW NW NW NW NW NW W W W W SW SW S S SW SW SW SW
WIND SPD 8 10 17 18 17 16 14 14 16 14 11 8 5 4 6 6 4 4 4 3 3
WIND GUST 41 43 43 40 35 36 39 39 32 25 17 19 20 20 19 20 18 16 18
CLOUDS OV OV SC SC B1 B1 B1 B1 SC FW FW FW FW B1 B1 B1 B1 B1 B1 B1 B2
CLOUDS(%) 100 89 48 40 55 52 68 59 45 22 15 9 13 52 60 68 53 68 69 68 70
VSBY 9 7 9 9 9 10 9 10 10 9 10 10 10 9 9 9 10 9 10 10
POP 12HR 40 5 0 5 30
FLURRIES IS IS IS IS IS
RAIN C
RAIN SHWRS SC
SNOW C C C
SPRINKLES IS
MIX HGT 2 2 3 4 3 4 5 5 3 3 2 2 <1 1 3 3 <1
T WIND DIR W W NW NW NW NW NW W NW NW W W W S SW SW S
T WIND SPD 21 31 34 34 35 34 31 34 37 35 26 20 8 6 18 18 10
DISPERSION PR FR GD GD GD GD FR PR VP VP VP VP
ADI 24 35 46 46 88 91 92103 51 48 18 14 6 11 44 40 7
MAX LVORI 3 3 3 1 1 1 1 1 1 1 2 2 2 2 1 1 2
STABILITY D D D D D D D D D D E E C D D D E
CEILING 1700 None 2500 None None None None 4300 3500
STA PRES 27.31 27.37 27.43 27.45 27.53 27.60 27.63 27.63
Date 01/17Sun 01/18/26Mon 01/19/26Tue 01/20/26Wed 01/21/26
UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00
EST 6hrly 13 19 01 07 13 19 01 07 13 19 01 07 13 19 01 07 13 19
MAX/MIN TEMP 42 20 28 15 32 13 28 15 39
TEMP 41 33 26 20 27 20 17 16 30 26 20 14 26 19 17 15 35 31
DEWPT 26 20 15 9 8 4 4 4 8 7 7 4 1 -2 -1 0 6 12
RH 55 58 62 62 44 49 56 58 39 44 56 64 33 39 44 50 29 45
WIND SPD <15 <15 <15 <15 <15 <15 <15 <15 <15
AVG CLOUDS B1 B1 B1 B1 SC SC FW FW FW SC SC SC SC FW FW FW FW FW
POP 12HR 40 20 20 5 5 10 5 0 5
RAIN C S
SNOW C S S
$$
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
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