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EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Blacksburg VA
1031 PM EST Tue Nov 25 2025
NCZ003-260900-
RAWS 310301
36.48N 80.86W Elev. 1300 ft
1031 PM EST Tue Nov 25 2025
Date 11/25/25 Wed 11/26/25 Thu 11/27/25 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 51 67 31 46 24
TEMP 54 54 55 62 65 60 48 40 36 34 32 39 44 44 36 31 29 27 25
DEWPT 54 54 54 54 49 43 31 26 24 21 19 19 16 16 16 16 15 14 12
MIN/MAX RH 100 51 60 30 60
RH 100100 96 75 56 53 51 57 61 58 58 44 32 32 43 53 55 57 57
WIND DIR S SW W W W W W NW NW NW NW NW W W W NW NW NW NW
WIND SPD 2 2 2 5 10 10 8 8 8 8 6 9 9 9 5 5 8 6 6
WIND GUST 16 21 19 20 19 20 19 20 20 20 16 18 21 19
CLOUDS B2 B2 B1 FW FW FW CL FW SC B1 B1 B1 FW CL CL CL FW FW FW
CLOUDS(%) 84 78 55 20 9 12 4 12 42 65 62 61 13 5 3 5 13 21 16
VSBY 3 7 1 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10
POP 12HR 60 0 0 0 0
RAIN SHWRS SC
TSTMS
MIX HGT <1 <1 <1 3 5 3 <1 1 3 2 3 4 5 5 <1
T WIND DIR SW SW W W W W W NW NW NW NW NW W W W
T WIND SPD 4 6 3 19 23 27 20 26 26 27 25 25 24 24 10
DISPERSION VP VP PR PR PR PR PR PR PR PR
ADI 2 3 4 63 92 95 14 18 36 37 56 66 99100 5
MAX LVORI 9 9 8 3 1 1 2 2 1 1 1 1 1 1 2
STABILITY F F B C C C E E D D D D C C F
CEILING 400 None None None 23300 None None None
STA PRES 28.02 28.02 28.02 28.10 28.11 28.15 28.14
Date 11/28Sat 11/29/25Sun 11/30/25Mon 12/01/25Tue 12/02/25
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 40 20 43 26 47 34 51 34 49
TEMP 39 33 25 21 40 34 27 31 43 43 39 35 49 44 39 35 46 43
DEWPT 12 13 13 13 15 18 17 21 33 38 37 34 36 36 33 32 34 34
RH 32 43 60 71 36 51 65 66 67 82 92 96 61 73 79 89 63 70
WIND SPD <15 <15 <15 <15 <15 <15 <15 <15 <15
AVG CLOUDS FW FW FW SC SC SC B1 B2 B2 B2 B2 B2 B1 B1 B2 B2 B2 B2
POP 12HR 0 0 0 10 40 40 30 50 50
RAIN C C C C C 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
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