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EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Blacksburg VA
701 AM EST Mon Dec 29 2025
VAZ018-292100-
RAWS 444002
37.56N 80.18W Elev. 2702 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 53 21 31 21 40
TEMP 46 37 30 25 25 23 22 23 25 29 30 25 24 23 22 23 30 37 40 37
DEWPT 32 18 14 11 10 10 10 8 8 7 6 4 5 6 7 9 11 15 17 17
MAX/MIN RH 43 58 35 54 38
RH 58 46 51 55 52 57 59 52 48 39 35 40 43 47 52 54 44 40 39 44
WIND DIR W W W NW W NW NW NW NW NW W W W W W W W W W W
WIND SPD 18 17 17 18 19 21 21 25 21 19 17 12 11 11 11 12 13 13 14 16
WIND GUST 49 49 48 51 55 55 56 54 47 37 35 34 34 33 35 35 36 34 33 36
CLOUDS SC FW B1 SC SC SC FW FW FW FW FW FW SC SC SC SC SC B1 B1 B1
CLOUDS(%) 27 21 60 31 33 38 25 16 13 7 12 16 30 43 42 40 50 59 57 56
VSBY 10 10 10 10 10 10 10 10 9 10 9 9 10 10 10 10 10 10 10 10
POP 12HR 40 0 0 0 0
RAIN SHWRS
MIX HGT 3 4 4 3 3 3 3 2 3 3 3 2 2 2 2 2 3 4 4 3
T WIND DIR W W W W W NW NW NW NW NW W W W W W W W W W W
T WIND SPD 39 43 42 42 44 46 44 39 36 29 27 26 26 24 25 17 26 27 26 18
DISPERSION GD GD GD GD FR FR FR FR GD
ADI 100124117 57 60 62 60 82 84 72 67 36 18 32 34 29 61 72 72 25
MAX LVORI 1 1 1 1 1 1 1 1 1 1 1 1 2 1 1 2 1 1 1 2
STABILITY D D D D D D D D D D D D E D D D D D D D
CEILING None None None None None None None None None 10300
STA PRES 27.42 27.49 27.57 27.58 27.67 27.66 27.64 27.57 27.53 27.48
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 30 39 26 44 30 45 29 44
TEMP 33 30 38 29 30 28 40 38 35 32 41 38 34 31 41 37
DEWPT 21 19 17 16 14 12 18 22 23 24 27 23 23 21 20 20
RH 61 63 42 58 51 50 41 52 61 72 57 54 64 66 42 50
WIND SPD <15 <15 <15 <15 <15 <15 <15 <15
AVG CLOUDS B1 B2 B2 B2 SC SC SC B2 B2 B2 B2 B1 SC SC SC B1
POP 12HR 10 20 0 0 20 40 20 10
FRZG RAIN S S
RAIN C C S
SNOWSHWRS IS
$$
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