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EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Blacksburg VA
1131 AM EST Sun Nov 30 2025
NCZ001-302100-
RAWS 310142
36.40N 81.46W Elev. 4608 ft
1131 AM EST Sun Nov 30 2025
Date Sun 11/30/25 Mon 12/01/25 Tue 12/02/25
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 42 22 37 28 38
TEMP 41 39 34 31 27 24 22 29 36 33 28 28 29 32 35 35 37 32 28
DEWPT 39 36 34 28 20 16 15 15 16 18 18 20 25 30 33 35 34 30 26
MAX/MIN RH 63 98 44 94 91
RH 92 89100 88 74 71 74 55 43 53 66 71 85 92 92100 89 92 92
WIND DIR SW W W NW NW NW NW SE S S SE SE SE S S W W NW NW
WIND SPD 12 16 18 20 19 14 6 4 6 6 9 12 13 11 10 8 10 11 19
WIND GUST 27 29 32 31
CLOUDS OV B2 B2 B2 SC FW FW FW SC B1 B2 OV OV OV OV OV B2 B2 B1
CLOUDS(%) 100 83 75 86 36 18 19 11 26 53 71 88 96 94 96 88 86 72 68
VSBY 9 7 8 9 10 9 10 10 10 10 10 10 10 5 2 1 8 10 10
POP 12HR 40 5 5 90 80
FRZG RAIN L L D
RAIN C D D D C C
MIX HGT 1 1 <1 <1 <1 <1 <1 <1 1 <1 <1 <1 <1 <1 <1 <1 1 2 1
T WIND DIR W W NW NW NW NW N NE S SE S SE SE SE S W W NW NW
T WIND SPD 8 17 20 19 16 8 5 1 6 8 8 10 12 5 6 9 41 49 46
DISPERSION GD GD GD GD PR FR FR FR GD
ADI 12 22 19 18 14 7 4 1 12 9 7 9 11 5 8 10 62 83 41
MAX LVORI 7 5 5 4 4 4 3 3 2 2 3 3 4 6 6 7 4 4 4
STABILITY D D D D D D C C C D D D D D D D D D D
CEILING 400 20600 None None 3300 6900 200 500 700
STA PRES 26.77 26.81 26.85 26.88 26.80 26.70 26.50 26.32 26.39
Date Wed 12/03/25Thu 12/04/25Fri 12/05/25Sat 12/06/25
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 20 37 25 36 24 31 29 38
TEMP 24 21 36 26 27 31 35 28 24 25 26 29 30 33 37 34
DEWPT 21 18 21 21 20 20 25 21 19 17 21 24 28 30 34 31
RH 88 88 54 81 74 63 66 75 81 71 81 81 92 89 89 89
WIND SPD 15> <15 <15 15> <15 <15 <15 <15
AVG CLOUDS B1 SC FW FW FW SC B1 B1 B1 B2 OV OV B2 B2 B2 B2
POP 12HR 5 0 0 5 10 50 70 40
FRZG RAIN L
RAIN L C C
SNOW 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
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