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EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Blacksburg VA
201 AM EST Fri Jan 16 2026
NCZ006-170900-
RAWS 310801
36.37N 79.29W Elev. 580 ft
201 AM EST Fri Jan 16 2026
Date 01/15/26 Fri 01/16/26 Sat 01/17/26 Sun
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 18 44 30 53 30
TEMP 20 19 30 41 44 37 34 31 32 34 42 50 53 45 39 37 34 31
DEWPT 8 7 8 5 5 9 11 12 15 19 29 35 36 34 33 32 29 28
MIN/MAX RH 60 19 58 47 86
RH 59 59 39 22 19 31 38 45 49 54 60 56 52 65 79 82 82 88
WIND DIR W SW SW S S S S S S SW SW SW SW W W NW NW NW
WIND SPD 2 2 4 9 9 4 5 5 5 6 8 10 6 2 2 2 2 2
WIND GUST 19
CLOUDS CL FW SC FW CL SC SC B1 B1 B2 B2 B2 SC SC B1 B2 OV OV
CLOUDS(%) 3 10 33 18 5 27 26 51 58 79 76 73 41 36 58 78 90 92
VSBY 10 10 10 10 10 10 10 10 10 7 7 7 7 7 7 7 7 5
POP 12HR 0 0 10 30 30
RAIN C C S S S S C C C
SNOW C
MIX HGT <1 <1 2 3 3 <1 <1 <1 <1 <1 2 2 2 <1 <1 <1 <1 1
T WIND DIR W W SW SW S S S S S S SW SW SW SW W NW N N
T WIND SPD 14 8 9 14 19 8 8 9 9 10 14 12 8 3 2 4 4 3
DISPERSION VP VP PR PR PR VP VP VP VP
ADI 7 8 23 49 66 4 4 6 6 11 29 27 23 2 1 2 2 6
MAX LVORI 3 3 2 1 1 2 2 2 2 2 2 2 2 3 4 5 5 5
STABILITY G B C C C F F E E D D D C G F F F C
CEILING None None None 7000 2300 None 7400 4000
STA PRES 29.44 29.41 29.45 29.43 29.48 29.50 29.53 29.51
Date 01/18Mon 01/19/26Tue 01/20/26Wed 01/21/26Thu 01/22/26
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 38 19 45 15 36 17 47 29 55
TEMP 37 30 23 21 43 37 24 16 33 28 20 19 44 39 32 30 52 45
DEWPT 22 19 16 13 16 13 6 -1 -4 1 4 4 10 17 19 21 29 30
RH 54 63 74 71 33 37 45 46 20 30 49 51 24 40 58 69 41 55
WIND SPD <15 <15 <15 <15 <15 <15 <15 <15 <15
AVG CLOUDS B2 B1 FW FW FW FW FW FW CL CL CL CL FW FW FW SC SC SC
POP 12HR 40 5 0 0 0 0 0 5 20
RAIN C S S
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