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EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Blacksburg VA
331 AM EST Thu Jan 15 2026
VAZ018-152100-
RAWS 444002
37.56N 80.18W Elev. 2702 ft
331 AM EST Thu Jan 15 2026
Date Thu 01/15/26 Fri 01/16/26 Sat 01/17/26
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 21 18 42 30 44
TEMP 23 19 19 21 20 21 20 19 19 19 27 39 41 35 32 32 32 32 39 44 41 34
DEWPT 11 7 7 7 5 4 4 5 5 4 4 6 13 13 14 19 22 25 28 28 26 23
MAX/MIN RH 44 56 25 74 53
RH 59 59 59 54 51 47 49 54 54 51 37 25 31 40 47 58 66 75 64 53 55 64
WIND DIR W NW NW W NW NW NW W W W SW S S S SW SW S SW SW W W W
WIND SPD 17 18 14 12 13 14 13 10 6 4 5 6 6 4 4 3 3 3 6 8 6 5
WIND GUST 47 49 42 36 40 43 42 35 26 18 18 20 20 18 19 18 16 16 21 25 24 20
CLOUDS B1 SC SC B1 B1 SC FW FW FW SC B1 B1 B1 B1 B1 B1 B2 B2 B1 B1 B1 SC
CLOUDS(%) 52 43 47 59 61 38 14 9 12 44 62 61 65 58 68 68 75 74 66 63 63 48
VSBY 10 10 10 10 10 10 10 10 10 10 10 9 9 10 9 10 10 9 9 9 9 10
POP 12HR 5 0 0 40 40
RAIN C S S
SNOW C C C S
MIX HGT 4 3 4 4 4 3 2 2 1 <1 1 3 3 <1 <1 <1 <1 <1 3 5 6 <1
T WIND DIR NW NW NW NW NW NW NW W W W SW SW SW S S SW S SW W W W W
T WIND SPD 35 36 36 33 35 37 34 27 17 9 6 20 18 8 11 10 11 11 24 27 24 16
DISPERSION GD GD FR FR PR VP VP VP VP PR
ADI 48 94100 97 99 51 46 19 8 7 10 49 41 5 8 5 5 9 55 88 79 11
MAX LVORI 1 1 1 1 1 1 1 2 3 2 2 1 1 2 2 3 3 3 1 1 1 3
STABILITY D D D D D D D E F C D D D E E F F C D D D E
CEILING None None None None 9300 4600 3600 3100 1400 3300
STA PRES 27.42 27.45 27.54 27.60 27.65 27.64 27.66 27.64 27.70 27.75
Date Sun 01/18/26Mon 01/19/26Tue 01/20/26Wed 01/21/26
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 22 27 16 34 12 25 14 40
TEMP 29 23 26 21 19 17 32 27 19 13 23 20 16 14 36 31
DEWPT 19 14 9 4 4 4 9 7 5 0 -3 -4 -2 -1 5 12
RH 66 68 48 47 51 56 37 42 54 55 31 34 44 50 27 45
WIND SPD <15 <15 <15 <15 <15 <15 <15 <15
AVG CLOUDS B1 B1 B1 SC FW FW FW FW SC SC FW FW FW FW FW FW
POP 12HR 30 20 5 0 5 0 0 5
SNOW C 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