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EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Blacksburg VA
301 AM EST Mon Jan 12 2026
NCZ003-122100-
RAWS 310301
36.48N 80.86W Elev. 1300 ft
301 AM EST Mon Jan 12 2026
Date Mon 01/12/26 Tue 01/13/26 Wed 01/14/26
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 48 27 54 33 53
TEMP 27 25 36 46 47 39 32 30 29 28 41 51 53 44 37 34 35 36 44 51 52 47
DEWPT 14 14 17 18 19 22 19 17 17 17 24 25 29 28 27 26 26 28 33 34 35 35
MAX/MIN RH 31 64 36 72 51
RH 57 62 45 32 32 50 58 58 60 63 50 36 39 53 67 72 69 72 65 52 52 63
WIND DIR NW NW NW S S W W W W W W S S SW SW W W W W SW SW W
WIND SPD 4 3 2 2 2 1 1 1 1 1 1 3 3 1 1 1 1 1 2 3 3 2
CLOUDS FW FW CL CL FW FW FW FW FW FW FW FW FW FW FW FW SC B1 B2 B2 B2 B2
CLOUDS(%) 17 10 4 5 7 6 6 9 9 9 7 10 11 11 14 14 44 61 80 75 81 85
VSBY 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 7 7 6
POP 12HR 0 0 0 0 20
RAIN S S L
MIX HGT 1 <1 1 3 2 <1 <1 <1 <1 <1 <1 2 2 <1 <1 <1 <1 <1 1 2 3 <1
T WIND DIR NW NW NW W SW W NW NW NW NW W SW S SW SW SW W W W W W NW
T WIND SPD 13 12 9 6 6 2 3 4 5 4 4 9 9 5 4 3 4 4 8 9 5 9
DISPERSION VP VP VP VP VP VP VP VP VP VP
ADI 6 13 17 24 21 1 2 2 3 5 6 26 21 3 2 2 2 5 11 26 18 4
MAX LVORI 3 2 2 2 2 2 3 3 3 3 2 2 2 2 3 3 3 3 3 2 2 3
STABILITY F B B B B G G G G B B B B G G G F B C C C F
CEILING None None None None None None None None 18500 5200
STA PRES 28.39 28.32 28.31 28.27 28.24 28.11 28.01 27.89 27.85 27.78
Date Thu 01/15/26Fri 01/16/26Sat 01/17/26Sun 01/18/26
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 29 35 16 37 22 42 19 34
TEMP 39 29 32 26 20 17 34 31 25 23 39 35 27 20 32 24
DEWPT 33 23 15 10 7 6 9 13 14 16 19 19 17 13 8 6
RH 79 78 49 50 56 61 35 47 62 74 44 52 65 74 36 45
WIND SPD <15 <15 <15 <15 <15 <15 <15 <15
AVG CLOUDS B2 B1 B1 B1 SC SC SC SC SC SC SC B1 SC SC SC SC
POP 12HR 60 40 10 0 5 10 10 10
RAIN L C C C
SNOW C C
$$
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