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EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Blacksburg VA
231 PM EST Sat Jan 10 2026
NCZ003-110900-
RAWS 310302
36.35N 80.48W Elev. 1076 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 39 45 25 47 29
TEMP 64 64 60 56 48 41 43 42 37 37 34 32 31 29 35 42 46 40 37 35 34 32
DEWPT 62 61 57 49 41 31 27 22 15 14 15 15 16 17 16 16 18 20 20 19 18 18
MIN/MAX RH 97 39 67 32 63
RH 93 90 90 77 77 67 53 44 40 38 45 49 53 60 45 34 32 44 50 52 51 56
WIND DIR SW SW W W NW W W W NW NW NW NW NW NW W SW SW SW SW W W W
WIND SPD 12 13 11 10 13 16 14 17 16 14 13 8 4 2 3 4 4 2 2 2 1 1
WIND GUST 26 26 29 26
CLOUDS OV OV B2 B1 B2 FW CL B1 FW FW FW FW FW CL CL CL CL CL FW FW FW FW
CLOUDS(%) 94 93 85 65 70 12 5 55 11 6 8 9 7 5 5 5 5 4 7 10 10 10
VSBY 8 8 9 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10
POP 12HR 70 5 0 0 0
RAIN D L
TSTMS IS
MIX HGT 2 <1 <1 <1 <1 <1 5 7 5 1 2 2 <1 <1 1 2 2 <1
T WIND DIR S SW W W NW NW W W NW NW NW NW NW NW NW W SW SW
T WIND SPD 10 11 17 11 19 14 14 31 32 23 20 20 17 11 6 5 10 4
DISPERSION FR FR FR FR GD FR PR VP VP VP VP VP
ADI 18 10 15 10 18 19 44106 97 26 28 14 8 12 12 15 26 2
MAX LVORI 5 5 4 4 3 3 1 1 1 2 2 2 2 2 2 2 2 2
STABILITY D D D D D D D D D D D E F B B C C G
CEILING 2700 None None None None None None None None
STA PRES 28.88 28.92 29.0 29.12 29.22 29.26 29.28 29.19
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 51 32 50 33 38 21 42 26 44
TEMP 46 43 39 35 46 41 36 33 36 31 27 24 38 36 32 29 40 41
DEWPT 24 27 28 27 32 32 28 21 15 12 12 13 16 20 20 20 22 23
RH 42 53 64 72 58 70 72 61 42 45 53 62 40 52 61 69 48 48
WIND SPD <15 <15 <15 <15 <15 <15 <15 <15 <15
AVG CLOUDS FW FW FW B1 B2 B2 B1 B1 B1 SC SC SC FW FW FW SC SC SC
POP 12HR 0 0 20 20 20 5 5 5 10
RAIN SHWRS 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