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EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Blacksburg VA
701 PM EST Tue Dec 30 2025
VAZ018-310900-
RAWS 444002
37.56N 80.18W Elev. 2702 ft
701 PM EST Tue Dec 30 2025
Date 12/30/25 Wed 12/31/25 Thu 01/01/26 Fri
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 21 41 29 36 25
TEMP 23 23 24 25 32 39 39 34 33 33 32 29 33 36 34 28 27 27 28 30
DEWPT 6 8 10 12 16 19 21 21 21 23 23 20 18 15 13 13 15 18 21 23
MIN/MAX RH 59 42 69 40 77
RH 47 52 54 57 51 44 48 58 61 66 69 69 53 42 41 53 60 68 75 75
WIND DIR W W W W W W W W W W W NW NW NW W W W W W W
WIND SPD 11 11 11 11 12 12 11 10 14 18 17 18 13 10 8 4 3 2 2 2
WIND GUST 33 31 31 32 34 32 29 32 41 46 49 50 41 31 25 19 16 13 13 13
CLOUDS FW SC SC FW FW SC FW FW FW SC B1 B1 SC SC SC FW SC SC B1 B1
CLOUDS(%) 23 26 35 17 15 41 23 21 13 35 60 51 39 28 28 19 31 35 64 66
VSBY 10 10 10 10 10 10 10 10 8 9 10 10 10 10 10 10
POP 12HR 5 5 30 5 0
SNOW S C C
MIX HGT 2 2 1 1 3 3 3 2 2 2 3 3 3 3 3 2
T WIND DIR W W W W W W W W W W W NW NW NW W W
T WIND SPD 26 24 24 19 26 26 26 13 20 36 37 35 29 21 16 9
DISPERSION FR FR FR FR GD GD GD VP VP VP VP
ADI 18 16 16 36 76 90 86 9 14 49 51 81 71 70 49 4
MAX LVORI 2 2 2 1 1 1 1 2 2 1 1 1 1 1 1 2
STABILITY E E E C C C C E E D D D D C C F
CEILING None None None None None None None None None
STA PRES 27.66 27.60 27.57 27.51 27.48 27.48 27.60 27.64
Date 01/02Sat 01/03/26Sun 01/04/26Mon 01/05/26Tue 01/06/26
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 50 32 48 27 49 31 52 34 47
TEMP 49 40 37 32 47 35 30 28 48 37 33 34 51 40 37 34 46 35
DEWPT 30 29 29 26 25 22 21 19 21 24 24 26 30 29 28 26 26 23
RH 48 64 72 78 42 59 69 68 34 59 69 72 44 64 70 72 45 61
WIND SPD <15 <15 <15 <15 <15 <15 <15 <15 <15
AVG CLOUDS B1 B1 B1 B1 B1 B1 SC FW FW SC B1 B1 SC B1 B1 B1 B1 B1
POP 12HR 0 5 10 5 0 5 10 20 10
RAIN 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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