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EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Blacksburg VA
701 PM EST Fri Jan 16 2026
NCZ001-170900-
RAWS 310142
36.40N 81.46W Elev. 4608 ft
701 PM EST Fri Jan 16 2026
Date 01/16/26 Sat 01/17/26 Sun 01/18/26 Mon
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 25 36 17 21 16
TEMP 27 27 30 32 31 34 33 28 28 26 22 18 17 19 18 17 17 18 17 17
DEWPT 13 15 21 27 28 26 25 23 22 21 17 13 9 6 6 7 6 5 5 5
MIN/MAX RH 88 67 82 56 63
RH 55 60 69 81 88 72 72 81 78 81 81 80 70 56 59 64 61 56 58 58
WIND DIR SW SW SW SW W W W W W W NW NW NW W W W W W W W
WIND SPD 16 17 16 14 13 13 12 12 14 18 19 20 18 13 16 17 19 24 26 27
CLOUDS SC B1 B2 B1 B1 SC SC SC B1 B2 B2 B2 B2 B1 FW CL CL FW FW FW
CLOUDS(%) 42 60 82 69 55 41 37 36 56 80 83 81 73 55 21 5 4 6 7 7
VSBY 10 10 8 5 6 10 10 10 10 9 10 10 10 10 10 10
POP 12HR 30 30 20 20 0
SNOW C C S S S S S S
MIX HGT <1 <1 <1 <1 1 2 2 <1 <1 1 1 1 2 2 2 1
T WIND DIR S S S SW W W W W W W W W W W W W
T WIND SPD 14 13 11 6 12 21 20 10 16 24 24 23 17 14 13 13
DISPERSION GD GD GD FR GD GD GD GD GD GD GD
ADI 13 12 10 8 19 46 43 9 14 22 22 34 29 31 27 12
MAX LVORI 2 2 3 4 4 3 3 4 4 3 3 3 3 1 2 2
STABILITY D D D D D D D D D D D D D D D D
CEILING None 1800 None None 7400 300 8500 None None
STA PRES 26.56 26.54 26.62 26.64 26.67 26.65 26.62 26.55
Date 01/19Tue 01/20/26Wed 01/21/26Thu 01/22/26Fri 01/23/26
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 26 8 19 14 37 28 38 24 38
TEMP 26 21 13 8 16 15 16 18 33 29 31 33 35 30 27 25 33 31
DEWPT 9 6 -5 -9-13 -5 -3 -2 7 12 19 25 28 22 17 16 20 22
RH 48 52 43 45 26 40 42 40 33 48 61 72 75 72 65 68 58 69
WIND SPD 15> 15> 15> <15 <15 15> <15 <15 <15
AVG CLOUDS FW FW FW FW FW FW CL FW FW SC SC B2 B2 B1 SC SC SC SC
POP 12HR 0 0 0 0 0 20 20 30 30
RAIN S S S
SNOW S S S 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