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EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Blacksburg VA
1101 AM EST Thu Jan 15 2026
NCZ003-152100-
RAWS 310301
36.48N 80.86W Elev. 1300 ft
1101 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 30 15 41 27 46
TEMP 29 29 25 22 20 18 18 27 37 40 34 31 30 30 31 37 43 46 39
DEWPT 5 6 7 6 6 5 5 5 6 11 14 15 17 20 23 30 30 30 26
MAX/MIN RH 35 60 26 75 54
RH 35 37 46 49 54 56 56 38 27 30 43 51 58 66 72 75 60 53 59
WIND DIR NW NW NW W W W SW S S S S SW SW S SW SW SW W W
WIND SPD 12 13 8 6 2 2 1 2 5 5 2 2 1 1 2 3 5 5 2
WIND GUST 24 25 21 13 16
CLOUDS FW SC FW FW CL FW B1 B1 SC FW SC SC B1 B2 B2 B2 B1 SC SC
CLOUDS(%) 25 46 8 6 5 19 62 53 29 15 29 49 59 76 73 72 56 42 47
VSBY 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10
POP 12HR 5 0 0 20 20
FLURRIES
RAIN S S
SNOW S S S
MIX HGT 6 6 3 2 <1 <1 <1 2 3 3 <1 <1 <1 <1 <1 3 4 4 <1
T WIND DIR NW NW NW NW W W SW S SW SW S S SW S SW SW W W W
T WIND SPD 27 29 29 26 16 6 4 8 12 14 6 9 12 12 9 9 20 18 13
DISPERSION PR PR VP VP VP VP VP VP VP
ADI 121131 20 12 7 3 4 17 37 45 3 4 6 6 7 27 57 69 6
MAX LVORI 1 1 2 2 2 3 3 2 1 1 2 2 3 3 3 3 1 1 3
STABILITY C C E F G G C C C C G F F F C C D C F
CEILING None None None None None None 4200 4200 None
STA PRES 27.85 27.94 28.00 28.06 28.05 28.06 28.03 28.09 28.13
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 23 32 14 38 13 32 14 42
TEMP 30 24 30 24 19 14 35 30 21 14 30 25 19 15 38 33
DEWPT 21 17 12 9 6 6 11 12 8 3 0 2 1 2 8 15
RH 69 74 46 52 56 70 36 46 56 61 27 36 44 55 28 47
WIND SPD <15 <15 <15 <15 <15 <15 <15 <15
AVG CLOUDS B1 B1 B1 SC FW CL CL FW SC FW FW FW CL FW FW FW
POP 12HR 20 20 0 0 0 0 0 0
SNOW S 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