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EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Blacksburg VA
701 AM EST Tue Dec 2 2025
WVZ043-022100-
RAWS 465401
37.53N 81.00W Elev. 2725 ft
701 AM EST Tue Dec 2 2025
Date Tue 12/02/25 Wed 12/03/25 Thu 12/04/25
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 38 22 39 27 34
TEMP 36 36 34 29 28 26 24 23 29 36 38 29 28 28 28 28 32 33 32 27
DEWPT 36 35 30 26 24 22 22 21 23 25 25 24 23 22 23 24 27 25 24 22
MAX/MIN RH 85 93 59 85 70
RH 100 96 85 88 85 85 92 92 78 64 59 81 81 78 81 85 81 72 72 81
WIND DIR W NW NW NW NW NW NW W W W W W W W W W W NW NW NW
WIND SPD 4 9 10 10 8 5 3 2 2 3 3 2 2 3 4 5 9 10 9 5
WIND GUST 20 21 18 20
CLOUDS OV B2 OV B2 B2 B2 B1 SC SC FW CL FW FW FW SC B1 B2 B2 B2 B1
CLOUDS(%) 89 85 89 72 79 76 60 47 30 11 4 6 11 20 38 59 76 80 72 66
VSBY 4 6 5 9 8 9 7 9 10 10 10 10 10 10 10 10 10 10 10 10
POP 12HR 100 0 0 0 5
FRZG RAIN
RAIN C
MIX HGT 1 2 2 2 2 2 2 1 1 2 2 <1 <1 <1 <1 <1 2 3 3 <1
T WIND DIR W NW NW NW NW NW NW NW W W W SW SW W W W W NW NW NW
T WIND SPD 6 17 23 26 21 17 9 10 5 5 5 2 2 3 4 11 20 20 17 13
DISPERSION FR PR PR VP VP VP VP VP PR
ADI 9 30 40 30 29 12 4 17 10 15 12 1 1 2 2 13 44 50 40 9
MAX LVORI 8 4 4 4 4 5 6 5 4 2 2 5 5 5 5 4 3 3 3 4
STABILITY D D D D D E F B B B B G G G F D D D D E
CEILING 600 600 700 700 None None None None 6500 1200
STA PRES 27.41 27.42 27.54 27.60 27.66 27.64 27.68 27.68 27.72 27.75
Date Fri 12/05/25Sat 12/06/25Sun 12/07/25Mon 12/08/25
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 22 36 30 39 26 38 25 35
TEMP 23 24 33 31 31 32 38 34 29 28 36 31 27 26 33 29
DEWPT 20 21 25 28 29 32 33 28 26 25 27 26 23 24 24 23
RH 88 88 72 88 92100 82 78 88 88 69 81 85 92 69 78
WIND SPD <15 <15 <15 <15 <15 <15 <15 <15
AVG CLOUDS B1 B2 B2 B2 B2 B2 B2 B2 B2 B2 B2 B1 B1 B2 B2 B1
POP 12HR 10 30 40 20 20 20 30 20
FRZG RAIN C
RAIN C C S S S S
SNOW C C S C C 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