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EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Blacksburg VA
701 AM EST Mon Dec 29 2025
NCZ003-292100-
RAWS 310302
36.35N 80.48W Elev. 1076 ft
701 AM EST Mon Dec 29 2025
Date Mon 12/29/25 Tue 12/30/25 Wed 12/31/25
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 58 24 38 22 45
TEMP 53 46 40 33 30 28 25 25 28 34 37 31 28 26 23 23 31 41 45 42
DEWPT 42 22 15 14 13 13 12 10 7 5 4 4 5 7 7 8 10 12 16 17
MAX/MIN RH 34 56 25 53 30
RH 66 38 36 45 49 53 57 52 40 29 24 31 37 44 50 52 41 30 31 36
WIND DIR W W NW NW NW W W NW NW NW W W W W W W W W W W
WIND SPD 14 16 17 20 19 16 13 12 11 11 10 4 3 4 3 3 5 6 6 5
WIND GUST 29 33 31 21 13 13 18 19 19
CLOUDS B1 FW FW FW FW FW CL CL CL CL FW FW SC SC SC FW SC SC SC SC
CLOUDS(%) 69 6 6 7 6 10 4 5 2 4 14 23 30 36 30 23 32 42 38 35
VSBY 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10
POP 12HR 30 0 0 0 0
RAIN SHWRS
MIX HGT 3 5 4 2 2 2 2 1 3 4 4 1 2 2 1 <1 2 4 4 1
T WIND DIR W W W NW NW NW NW NW NW NW W W W W W W W W SW W
T WIND SPD 27 32 29 29 26 24 23 19 19 17 17 10 9 11 6 8 14 18 10 8
DISPERSION GD GD GD FR VP VP VP VP PR
ADI 64 96 87 33 30 27 26 32 50 49 66 5 4 5 3 8 39 70 40 4
MAX LVORI 1 1 1 1 2 2 2 1 1 1 1 2 2 2 2 2 1 1 1 2
STABILITY D D D D D D D D D D C F G F G B C C C F
CEILING None None None None None None None None None None
STA PRES 28.67 28.77 28.88 28.91 28.99 28.96 28.96 28.90 28.86 28.76
Date Thu 01/01/26Fri 01/02/26Sat 01/03/26Sun 01/04/26
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 31 48 27 49 34 46 30 47
TEMP 35 32 45 40 34 30 44 43 39 36 43 39 36 33 43 39
DEWPT 22 23 23 23 22 18 19 27 28 30 33 31 28 25 25 24
RH 59 69 41 50 61 60 36 53 64 79 67 73 72 72 49 54
WIND SPD <15 <15 <15 <15 <15 <15 <15 <15
AVG CLOUDS SC B1 B1 SC SC SC B1 B2 B2 B2 B2 B1 SC SC SC SC
POP 12HR 0 0 0 0 30 40 20 10
RAIN C C C 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