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EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Blacksburg VA
101 AM EST Tue Dec 2 2025
VAZ018-030900-
RAWS 444002
37.56N 80.18W Elev. 2702 ft
101 AM EST Tue Dec 2 2025
Date 12/01/25 Tue 12/02/25 Wed 12/03/25 Thu
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 30 46 24 44 29
TEMP 32 33 40 46 40 33 30 29 25 25 33 42 42 32 30 30 30 31
DEWPT 27 30 36 39 33 26 23 22 20 19 24 27 27 25 22 22 21 23
MIN/MAX RH 98 74 84 53 75
RH 81 89 85 76 76 75 75 75 81 78 69 55 55 75 72 72 69 72
WIND DIR S S W W NW NW NW NW NW NW W SW W W W W W W
WIND SPD 3 2 2 5 8 9 6 5 4 2 2 2 2 2 2 2 4 5
WIND GUST 13 17 26 29 25 18 16 12 14 19
CLOUDS OV OV OV B1 SC SC SC SC FW FW FW CL CL CL FW FW SC SC
CLOUDS(%) 99 98 90 61 47 49 47 36 17 6 7 5 4 5 14 19 30 39
VSBY 2 1 2 9 9 9 9 9 10 10 10 10 10 10 10 10 10 10
POP 12HR 100 100 0 0 0
FRZG RAIN D
RAIN D L
MIX HGT 1 <1 <1 2 2 1 2 1 1 <1 1 2 1 <1 <1 <1 <1 <1
T WIND DIR SE E NW NW NW NW NW NW NW NW NW W W W W W W W
T WIND SPD 10 2 3 20 28 28 25 20 13 10 6 5 6 3 3 4 6 8
DISPERSION VP PR PR PR VP VP VP VP VP
ADI 5 2 3 36 63 32 17 9 6 13 9 14 10 2 2 2 3 6
MAX LVORI 5 6 6 3 3 3 3 4 4 4 3 2 2 4 3 3 3 3
STABILITY F C C D C D E F F B B B B G G G F C
CEILING 1500 500 None None None None None None None
STA PRES 27.66 27.52 27.51 27.64 27.71 27.78 27.77 27.80 27.78
Date 12/04Fri 12/05/25Sat 12/06/25Sun 12/07/25Mon 12/08/25
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 42 25 36 29 45 29 43 29 39
TEMP 41 30 26 26 34 31 32 33 44 35 32 30 42 33 30 30 38 30
DEWPT 27 21 19 19 23 24 26 28 35 28 25 24 29 26 23 24 26 23
RH 57 69 74 74 64 75 78 82 70 75 75 78 60 75 75 78 62 75
WIND SPD <15 <15 <15 <15 <15 <15 <15 <15 <15
AVG CLOUDS B1 B1 B1 B1 B2 B2 B2 B2 B1 B1 B1 B1 B1 B1 B1 B2 B1 B1
POP 12HR 0 10 30 30 20 20 10 20 10
FRZG RAIN C C
RAIN S S S
SNOW S C 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
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