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EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Blacksburg VA
201 AM EST Wed Jan 7 2026
NCZ003-080900-
RAWS 310301
36.48N 80.86W Elev. 1300 ft
201 AM EST Wed Jan 7 2026
Date 01/06/26 Wed 01/07/26 Thu 01/08/26 Fri
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 64 38 62 47
TEMP 47 46 56 62 63 50 46 42 40 39 50 59 60 52 50 50 50 51
DEWPT 43 45 48 41 38 38 37 36 34 32 36 37 39 41 41 44 45 48
MIN/MAX RH 95 39 77 43 89
RH 86 96 74 46 39 63 71 79 79 76 58 44 46 66 71 80 83 89
WIND DIR N N SW W NW NW NW NW NW N N SE SE SE SE S S S
WIND SPD 0 0 6 10 6 1 2 3 3 1 0 4 3 2 1 1 2 2
CLOUDS SC FW FW CL CL FW FW FW SC SC SC B1 B2 B2 B2 B2 OV OV
CLOUDS(%) 37 25 8 5 5 12 10 25 29 30 39 57 75 82 81 85 89 91
VSBY 9 9 9 9 9 9 9 9 9 10 10 10 10 10 10 10 10 10
POP 12HR 0 0 0 5 10
RAIN S
MIX HGT <1 <1 2 5 5 <1 <1 <1 <1 <1 <1 2 2 <1 <1 <1 <1 <1
T WIND DIR W W W W W W NW NW NW NW NW S S SE SE S S S
T WIND SPD 12 9 19 23 14 4 4 4 5 4 2 6 5 3 5 6 6 6
DISPERSION VP VP VP VP VP VP VP VP VP
ADI 6 10 47 97 62 2 2 2 3 5 3 18 16 2 3 3 3 5
MAX LVORI 5 6 3 1 1 3 3 4 4 4 3 2 2 3 3 4 5 5
STABILITY G B C C C G G G G B B C C F F F F C
CEILING None None None None None 8200 2900 1600
STA PRES 28.04 28.08 28.17 28.23 28.30 28.29 28.31 28.29
Date 01/09Sat 01/10/26Sun 01/11/26Mon 01/12/26Tue 01/13/26
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 66 55 64 40 46 24 47 27 51
TEMP 62 61 57 57 62 61 52 43 44 35 28 26 42 35 29 29 47 38
DEWPT 55 55 55 55 59 56 45 32 22 17 14 16 15 20 18 19 21 25
RH 78 81 93 93 90 84 77 65 41 47 55 65 33 54 63 66 35 59
WIND SPD <15 <15 <15 <15 <15 <15 <15 <15 <15
AVG CLOUDS OV OV OV OV OV OV B2 B1 SC SC FW FW FW FW FW FW SC SC
POP 12HR 40 90 90 50 10 5 5 5 5
RAIN S C L D D D C
RAIN SHWRS SC
$$
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