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EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Blacksburg VA
701 AM EST Sat Dec 27 2025
NCZ003-272100-
RAWS 310301
36.48N 80.86W Elev. 1300 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 67 42 53 47 60
TEMP 59 65 65 55 50 46 44 43 44 49 53 50 48 51 53 52 58 55 49 39
DEWPT 51 48 46 46 44 44 42 40 42 43 46 47 48 51 53 51 49 37 28 22
MAX/MIN RH 48 95 77 100 43
RH 75 54 50 72 80 93 93 89 93 80 77 89100100100 96 72 51 44 50
WIND DIR NW NW N N N N N SE S S S S S SW SW SW W W W W
WIND SPD 3 4 2 0 0 0 0 1 2 3 3 2 2 3 4 6 10 11 11 9
WIND GUST 13 17 20 25 25 26 27
CLOUDS B1 SC SC FW SC B2 B2 OV OV OV OV OV OV OV OV B2 B2 SC SC FW
CLOUDS(%) 54 39 37 13 43 78 82 88 90 92 88 91 88 90 91 85 70 40 40 22
VSBY 10 10 10 10 10 8 4 7 9 9 10 10 10 10 10 10 10 10 10 10
POP 12HR 0 5 10 30 40
RAIN C C C C S S
MIX HGT 3 3 3 <1 <1 1 1 1 1 1 1 1 1 1 1 1 4 5 5 3
T WIND DIR NW NW NW E SE E SE SE S S S S S SW SW SW W W NW NW
T WIND SPD 20 13 8 2 8 6 4 3 3 5 8 6 5 5 4 5 26 31 29 31
DISPERSION VP VP VP VP VP VP VP VP PR
ADI 67 42 26 1 4 3 2 6 5 11 14 3 3 3 3 9 69 92 92 21
MAX LVORI 3 1 2 3 5 6 6 5 6 4 4 6 9 9 9 6 3 1 1 2
STABILITY B C B G F F F C C C C F F F E D D D D E
CEILING None None None 600 600 500 400 300 3000 None
STA PRES 28.08 28.09 28.17 28.19 28.20 28.09 28.00 27.84 27.82 27.85
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 23 38 22 46 26 47 20 39
TEMP 28 24 35 31 24 23 43 38 31 27 44 35 25 21 36 31
DEWPT 14 12 9 8 9 9 14 17 18 18 22 19 13 8 6 8
RH 55 60 33 37 52 54 30 42 58 68 41 52 60 56 28 37
WIND SPD <15 <15 <15 <15 <15 <15 <15 <15
AVG CLOUDS SC SC FW FW FW FW SC SC SC B1 SC SC SC SC FW SC
POP 12HR 5 0 0 0 5 5 5 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