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EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Blacksburg VA
701 AM EST Sat Dec 27 2025
VAZ018-272100-
RAWS 444002
37.56N 80.18W Elev. 2702 ft
701 AM EST Sat Dec 27 2025
Date Sat 12/27/25 Sun 12/28/25 Mon 12/29/25
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 56 36 53 46 59
TEMP 50 55 55 47 42 40 38 37 42 49 53 47 47 50 53 55 57 51 41 33
DEWPT 44 44 43 41 40 37 36 35 38 42 43 43 44 46 49 49 46 34 24 17
MAX/MIN RH 64 95 69 91 49
RH 80 66 64 79 93 89 92 92 86 77 69 86 89 86 86 80 67 52 50 51
WIND DIR NW NW NW NW SE SE SE SE SE S SE S S SW SW SW W W W W
WIND SPD 5 4 2 1 2 2 2 2 2 3 3 2 3 5 10 12 14 14 14 18
WIND GUST 17 12 17 24 34 40 42 42 44 49
CLOUDS SC SC SC SC B1 B2 B2 B2 OV B2 B2 B2 B2 B2 B2 B2 B2 SC SC B1
CLOUDS(%) 49 34 27 30 60 70 81 85 88 87 74 76 74 77 84 80 80 47 45 60
VSBY 10 10 10 10 9 9 7 7 8 9 10 10 10 10 10 10 10 10 10 10
POP 12HR 0 10 10 40 60
RAIN C C L L S S
MIX HGT 1 2 1 <1 <1 <1 <1 <1 <1 1 <1 <1 <1 <1 1 2 3 4 5 4
T WIND DIR NW NW NW W SE SE SE S S S S S S SW SW SW W W W W
T WIND SPD 21 12 9 3 8 6 5 5 5 6 6 4 6 6 8 12 37 39 41 40
DISPERSION VP VP VP VP VP VP PR FR GD
ADI 41 27 17 2 4 3 3 4 4 9 5 2 3 5 9 25 97112128 54
MAX LVORI 3 3 2 4 6 6 8 6 5 4 3 5 6 5 4 3 1 1 1 1
STABILITY C C B G F F F C C C C F F E D D D D D D
CEILING None None 600 0 0 600 500 900 4000 None
STA PRES 27.74 27.77 27.84 27.83 27.82 27.70 27.59 27.43 27.42 27.47
Date Tue 12/30/25Wed 12/31/25Thu 01/01/26Fri 01/02/26
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 22 32 22 42 27 40 18 33
TEMP 26 22 31 25 24 24 39 34 31 28 39 29 22 19 32 23
DEWPT 11 10 9 5 6 8 12 14 16 18 19 13 6 2 2 2
RH 52 59 39 42 45 50 32 43 53 66 44 51 49 47 27 39
WIND SPD 15> 15> <15 <15 <15 <15 <15 <15
AVG CLOUDS B1 B1 SC FW FW FW FW B1 B1 B1 B1 B1 B1 SC FW SC
POP 12HR 10 5 0 5 10 10 10 5
$$
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