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EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Blacksburg VA
301 AM EST Mon Dec 8 2025
NCZ001-082100-
RAWS 310141
36.40N 81.29W Elev. 3009 ft
301 AM EST Mon Dec 8 2025
Date Mon 12/08/25 Tue 12/09/25 Wed 12/10/25
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 31 17 35 25 44
TEMP 31 31 31 29 28 27 25 22 21 18 27 32 34 31 29 28 27 25 35 41 42 36
DEWPT 31 31 31 29 28 25 23 21 19 17 21 24 25 24 22 22 23 24 26 29 30 30
MAX/MIN RH 90 100 66 93 59
RH 100100100100100 92 92 96 92 96 78 72 69 75 75 78 85 96 69 62 62 79
WIND DIR N E E E SE E NE W W W SW SW S SW SW SW SW SW SW SW W W
WIND SPD 1 1 3 5 4 2 2 1 1 1 2 5 5 4 4 5 6 9 12 13 13 13
WIND GUST 25 26
CLOUDS OV OV OV OV OV OV B2 B1 B1 SC SC SC SC SC FW B1 B1 B1 B1 B1 B1 B1
CLOUDS(%) 94 95 91 94 95 91 78 67 53 46 43 38 29 36 25 57 58 59 64 69 51 52
VSBY 3 0 0 1 4 10 10 10 10 10 10 10 10 10 10 10 10 10 10 7 7 7
POP 12HR 100 10 0 0 20
RAIN S S
SNOW C D D L C S
Obvis PF
MIX HGT <1 <1 1 1 1 <1 <1 <1 <1 <1 <1 1 <1 <1 <1 <1 <1 <1 2 3 3 <1
T WIND DIR N NE E E E E NE NW SW W SW SW SW SW SW SW SW SW W W W W
T WIND SPD 2 3 10 12 6 5 3 1 2 2 4 9 9 4 5 5 6 10 24 34 26 12
DISPERSION VP VP VP VP VP VP VP PR PR FR
ADI 1 3 13 19 10 3 2 1 1 2 5 13 7 2 3 4 5 11 42 78 58 11
MAX LVORI 10 9 5 5 8 6 7 8 7 8 4 3 3 4 3 4 5 5 1 1 1 4
STABILITY F C C D D F F F F B B C C F F E E D D D D D
CEILING 300 300 300 None None None None 11800 10000 None
STA PRES 27.16 27.20 27.26 27.25 27.24 27.15 27.11 27.00 26.91 26.87
Date Thu 12/11/25Fri 12/12/25Sat 12/13/25Sun 12/14/25
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 25 35 24 37 18 28 14 30
TEMP 31 25 33 30 28 25 35 29 24 18 26 22 19 15 28 23
DEWPT 26 21 22 22 22 21 23 23 20 11 9 6 5 5 8 6
RH 81 84 63 72 78 84 61 78 84 73 48 49 54 64 42 47
WIND SPD <15 <15 <15 <15 <15 <15 <15 <15
AVG CLOUDS B1 B1 B1 B1 B1 B1 B1 SC SC SC SC FW FW SC SC SC
POP 12HR 20 10 30 20 20 0 5 5
SNOW S S C S 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