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EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Blacksburg VA
701 PM EST Sun Dec 28 2025
VAZ018-290900-
RAWS 444002
37.56N 80.18W Elev. 2702 ft
701 PM EST Sun Dec 28 2025
Date 12/28/25 Mon 12/29/25 Tue 12/30/25 Wed
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 45 56 21 32 23
TEMP 45 49 53 53 48 39 33 27 25 24 22 21 26 31 29 25 25 24 24 25
DEWPT 43 46 49 49 35 19 15 12 11 10 10 8 9 8 7 6 6 6 8 8
MIN/MAX RH 94 42 58 37 49
RH 93 89 86 86 60 44 47 53 55 54 59 56 48 37 39 44 44 45 50 48
WIND DIR SW SW SW W W W W W W NW NW NW NW NW W W W W W W
WIND SPD 8 10 11 16 20 20 19 20 21 23 21 20 16 12 10 10 10 9 10 10
WIND GUST 20 25 39 47 47 44 54 58 58 60 54 47 36 34 33 33 33 35 36
CLOUDS B2 B2 B2 B2 SC FW B1 SC SC SC SC SC SC FW FW FW FW SC FW SC
CLOUDS(%) 79 80 80 77 26 19 58 27 33 39 47 35 31 10 6 12 16 36 22 32
VSBY 8 9 9 7 10 10 10 10 9 10 10 10 9 9 9 9
POP 12HR 40 20 5 0 0
RAIN SHWRS IS
MIX HGT <1 <1 <1 2 4 5 4 3 3 3 3 2 3 3 3 2
T WIND DIR S SW SW W W W W W W NW NW NW NW NW NW W
T WIND SPD 5 8 9 11 41 43 43 44 44 47 43 42 37 32 28 27
DISPERSION PR FR FR GD GD GD GD FR FR PR FR
ADI 4 5 8 20107128124 60 60 63 59 92 86 79 94 19
MAX LVORI 8 6 4 4 1 1 1 1 1 1 1 1 1 1 1 2
STABILITY E E D D D D D D D D D D D D C E
CEILING 500 1300 None None None None None None None
STA PRES 27.58 27.41 27.43 27.49 27.58 27.61 27.69 27.71
Date 12/31Thu 01/01/26Fri 01/02/26Sat 01/03/26Sun 01/04/26
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 30 41 27 44 28 46 30 44
TEMP 39 36 32 30 40 33 31 28 42 37 32 29 45 40 36 31 44 34
DEWPT 17 18 20 20 23 22 20 20 21 20 20 20 24 25 25 23 22 19
RH 40 47 61 66 50 63 63 71 43 50 61 69 43 55 64 72 41 54
WIND SPD <15 <15 <15 <15 <15 <15 <15 <15 <15
AVG CLOUDS SC SC B1 B2 B2 B1 SC SC SC B1 B1 B1 B1 B1 B2 B2 B1 B1
POP 12HR 0 10 10 5 5 30 40 30 10
RAIN C C C C C
$$
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