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EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Blacksburg VA
631 AM EST Sun Jan 11 2026
NCZ003-112100-
RAWS 310301
36.48N 80.86W Elev. 1300 ft
631 AM EST Sun Jan 11 2026
Date Sun 01/11/26 Mon 01/12/26 Tue 01/13/26
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 41 25 49 27 54
TEMP 40 39 40 34 34 32 30 27 25 34 46 49 40 33 31 29 28 41 51 54 45
DEWPT 28 28 21 16 15 16 17 17 17 19 20 22 22 18 17 18 19 25 27 29 29
MAX/MIN RH 46 71 33 69 36
RH 62 64 46 47 45 51 58 65 71 54 35 34 48 53 56 63 68 52 39 38 53
WIND DIR NW W NW NW NW NW NW NW NW NW SW SW W NW NW NW NW W S S SW
WIND SPD 6 11 17 12 9 10 9 8 2 2 2 2 1 1 1 1 1 1 3 3 1
WIND GUST 20 27 32 28 20 24 20 18
CLOUDS FW SC SC SC FW FW FW FW FW CL CL CL CL CL FW FW FW FW FW FW FW
CLOUDS(%) 6 39 49 26 15 13 8 18 7 4 5 4 5 5 7 16 24 6 15 9 23
VSBY 10 10 6 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10
POP 12HR 30 5 0 0 0
SNOW S
MIX HGT 1 5 7 5 3 2 1 1 <1 1 3 2 <1 <1 <1 <1 <1 1 2 2 <1
T WIND DIR NW W W NW NW NW NW NW NW NW SW SW SW NW NW NW NW W SW S SW
T WIND SPD 20 28 33 33 27 27 25 16 11 8 10 9 3 3 3 5 5 6 8 9 6
DISPERSION PR FR PR PR VP VP VP VP VP
ADI 28 91117 99 19 19 17 11 13 15 35 25 2 2 2 3 6 11 23 25 3
MAX LVORI 3 1 1 1 2 2 2 3 3 2 1 2 2 2 3 3 3 2 2 2 2
STABILITY C D D D E E E E B B B B G G G G B B B B G
CEILING None None None None None None None None None None
STA PRES 28.12 28.24 28.35 28.36 28.38 28.30 28.27 28.23 28.21 28.08
Date Wed 01/14/26Thu 01/15/26Fri 01/16/26Sat 01/17/26
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 33 52 26 37 19 43 24 45
TEMP 36 34 50 44 37 27 34 28 22 20 39 35 29 27 44 39
DEWPT 27 28 34 34 29 21 15 12 10 10 16 20 20 21 24 25
RH 69 78 54 68 72 78 45 50 59 64 39 54 69 78 45 57
WIND SPD <15 <15 <15 <15 <15 <15 <15 <15
AVG CLOUDS SC B1 B2 B2 B1 B1 B1 SC SC SC SC SC FW SC SC SC
POP 12HR 0 20 40 20 10 5 5 10
RAIN S C 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