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EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Blacksburg VA
701 PM EST Thu Jan 8 2026
NCZ019-090900-
RAWS 312001
36.23N 81.32W Elev. 2380 ft
701 PM EST Thu Jan 8 2026
Date 01/08/26 Fri 01/09/26 Sat 01/10/26 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 46 58 55 62 38
TEMP 48 47 47 48 51 56 57 56 56 56 56 56 58 59 61 59 55 51 44 39
DEWPT 36 39 43 45 49 52 54 54 54 54 54 55 57 57 57 55 49 43 36 30
MIN/MAX RH 95 83 97 84 89
RH 63 74 86 89 93 86 90 93 93 93 93 96 96 93 87 87 80 74 73 70
WIND DIR E S S S S SW SW SW SW SW S S S SW SW W W NW NW NW
WIND SPD 2 2 2 2 2 4 3 2 2 2 2 5 5 8 6 8 9 10 11 11
CLOUDS B2 OV OV OV OV OV OV OV OV OV OV OV OV OV OV OV OV B2 B1 SC
CLOUDS(%) 81 89 96 95 97 91 90 94 93 93 94 93 96 95 95 93 89 79 69 42
VSBY 10 10 10 8 6 4 5 5 2 0 2 3 2 2 4 10
POP 12HR 10 80 90 100 40
RAIN C C C D
RAIN SHWRS NM NM O O O O O O SC SC
TSTMS IS IS
MIX HGT <1 <1 <1 <1 <1 1 1 <1 <1 <1 <1 <1 2 2 2 <1
T WIND DIR SE SE SE S SW SW SW SW S SW SW S S S SW W
T WIND SPD 6 2 1 1 1 5 4 3 3 4 3 3 8 13 6 8
DISPERSION VP VP VP VP VP VP VP PR PR FR FR
ADI 3 1 1 1 1 8 6 2 2 2 2 4 15 30 14 7
MAX LVORI 3 3 6 7 7 5 5 7 7 6 8 8 5 4 4 4
STABILITY F F F C C D C F F F F D D D D D
CEILING 2700 400 100 0 100 0 400 600 3000
STA PRES 28.06 28.04 28.02 27.98 28.01 27.96 27.89 27.81
Date 01/11Mon 01/12/26Tue 01/13/26Wed 01/14/26Thu 01/15/26
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 41 23 44 27 51 33 48 32 41
TEMP 40 31 27 24 41 34 30 29 48 39 34 34 47 41 37 33 40 33
DEWPT 20 12 13 14 14 16 14 14 20 24 23 23 28 31 31 28 24 21
RH 44 45 55 65 33 47 51 53 33 54 64 64 47 67 79 82 52 61
WIND SPD <15 <15 <15 <15 <15 <15 <15 <15 <15
AVG CLOUDS SC SC FW FW FW CL FW FW FW FW SC B1 B2 B1 B2 B1 B1 B1
POP 12HR 5 0 0 0 0 5 20 20 20
RAIN S S S 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