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EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Blacksburg VA
231 PM EST Sat Jan 10 2026
VAZ018-110900-
RAWS 444002
37.56N 80.18W Elev. 2702 ft
231 PM EST Sat Jan 10 2026
Date 01/10/26 Sun 01/11/26 Mon 01/12/26 Tue
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 34 40 23 45 28
TEMP 59 57 54 47 41 35 39 37 32 33 30 29 28 26 33 40 44 38 36 34 33 32
DEWPT 55 53 49 41 34 26 25 21 16 15 15 16 17 17 17 16 15 14 15 17 17 18
MIN/MAX RH 94 47 74 31 67
RH 87 86 83 79 76 69 57 52 51 47 53 58 63 68 51 37 30 37 42 49 51 56
WIND DIR W W W NW W W W W W NW NW NW NW NW W W W W W W W W
WIND SPD 4 5 6 10 11 13 16 14 14 18 16 12 10 8 6 8 8 6 6 6 5 5
WIND GUST 16 20 27 34 35 40 48 46 47 50 49 33 28 24 23 19 19 17 18 18 16
CLOUDS B2 OV B2 B2 SC FW SC B1 SC SC SC B1 SC SC FW FW FW FW FW FW FW FW
CLOUDS(%) 85 88 79 73 49 23 43 53 45 31 45 59 50 42 25 7 9 10 9 7 15 22
VSBY 4 6 6 7 10 10 9 8 10 10 10 10 10 10 10 10 10 10
POP 12HR 50 30 0 0 0
RAIN L C C
SNOW S S
MIX HGT <1 <1 <1 2 1 1 4 5 4 3 2 2 2 1 1 3 3 <1
T WIND DIR E W W W NW W W W NW NW NW NW W NW W W W W
T WIND SPD 1 4 20 31 29 23 31 39 40 39 35 28 21 17 12 14 17 9
DISPERSION PR PR FR FR GD GD FR FR PR PR PR PR
ADI 1 3 14 35 27 33 89120115 53 48 39 24 24 23 44 51 4
MAX LVORI 7 5 4 3 3 3 1 1 1 1 1 1 2 3 2 1 1 2
STABILITY D E E D D D D D D D D D D C C C C F
CEILING 1300 None None None None None None None None
STA PRES 27.68 27.70 27.71 27.82 27.92 27.98 28.00 27.91
Date 01/13Wed 01/14/26Thu 01/15/26Fri 01/16/26Sat 01/17/26
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 54 37 49 29 34 21 41 28 41
TEMP 48 47 43 39 46 39 33 30 32 28 25 24 36 35 32 30 38 38
DEWPT 25 25 26 28 33 31 25 17 12 8 9 11 14 16 19 19 22 19
RH 40 42 51 64 60 73 72 58 43 42 50 57 40 45 58 63 52 46
WIND SPD <15 <15 <15 <15 <15 <15 <15 <15 <15
AVG CLOUDS FW FW SC B1 B2 B2 B2 B1 B1 SC SC SC SC SC SC SC B1 B1
POP 12HR 0 0 30 50 40 10 10 20 20
RAIN SHWRS IS SC SC SC
SNOWSHWRS SC SC 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