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EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Blacksburg VA
701 AM EST Mon Dec 29 2025
NCZ006-292100-
RAWS 310801
36.37N 79.29W Elev. 580 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 64 24 41 23 50
TEMP 60 56 48 37 31 29 27 25 32 38 40 31 28 26 23 23 34 46 49 42
DEWPT 52 32 17 16 14 13 13 12 10 9 8 7 8 9 9 10 13 14 16 18
MAX/MIN RH 29 57 26 57 26
RH 75 40 29 42 49 51 55 57 39 29 26 36 42 48 54 57 41 27 26 37
WIND DIR W W W W W W W W W W W W W W W SW SW SW W W
WIND SPD 13 16 14 10 8 5 5 10 12 13 11 4 2 4 3 4 6 9 8 5
WIND GUST 25 29 28 20 18 17 19
CLOUDS OV FW CL FW CL FW CL CL CL CL FW FW SC SC FW FW FW SC SC SC
CLOUDS(%) 89 18 5 6 2 10 5 5 5 3 12 21 29 36 24 12 24 35 33 31
VSBY 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10
POP 12HR 50 0 0 0 0
RAIN SHWRS IS
MIX HGT 2 5 5 2 2 1 <1 1 4 5 4 1 2 1 <1 <1 2 4 5 2
T WIND DIR W W W NW NW NW NW NW NW NW W W W W SW SW W W SW SW
T WIND SPD 17 32 29 29 24 24 24 21 19 19 18 5 11 16 9 11 18 19 14 9
DISPERSION FR PR PR PR VP VP VP VP PR
ADI 36 97 92 20 16 11 11 29 51 58 53 3 5 7 4 9 48 68 61 4
MAX LVORI 3 1 1 2 2 2 2 2 1 1 1 2 2 2 3 2 1 1 1 2
STABILITY D D D E E F F C D D D F G F G C C C C F
CEILING 700 None None None None None None None None None
STA PRES 29.04 29.14 29.30 29.34 29.42 29.38 29.39 29.32 29.29 29.18
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 32 52 26 52 34 49 29 49
TEMP 37 33 49 42 35 29 46 44 40 37 46 41 36 32 45 40
DEWPT 22 23 23 22 21 18 19 28 29 30 34 33 28 26 25 24
RH 54 66 36 44 56 63 34 53 64 75 63 73 72 78 45 52
WIND SPD <15 <15 <15 <15 <15 <15 <15 <15
AVG CLOUDS SC B1 B1 SC FW SC B1 B2 B2 B2 B2 B2 B1 SC SC SC
POP 12HR 0 0 0 0 30 50 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