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EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Blacksburg VA
1031 PM EST Tue Nov 25 2025
WVZ043-260900-
RAWS 465401
37.53N 81.00W Elev. 2725 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 55 28 35 22
TEMP 54 53 52 54 53 47 38 34 31 29 28 31 34 34 30 28 26 23 23
DEWPT 54 53 51 51 46 33 28 23 21 19 18 18 14 13 14 14 14 13 12
MIN/MAX RH 100 58 66 40 65
RH 100100 96 90 77 58 67 64 66 66 66 58 43 41 51 55 60 65 62
WIND DIR SW W W W W W W W W W W W W W W W W W W
WIND SPD 5 5 6 11 13 13 14 16 16 16 14 16 17 16 12 13 13 13 13
WIND GUST 16 18 24 28 29 28 31 32 32 31 32 33 32 25 27 26 29 28
CLOUDS B1 B1 B1 B1 B2 FW SC B1 B2 B1 SC SC FW FW FW SC B1 B1 B1
CLOUDS(%) 67 51 54 51 72 25 34 53 72 62 43 34 14 7 12 49 66 65 65
VSBY 9 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10
POP 12HR 60 20 5 0 0
RAIN SHWRS SC IS
MIX HGT <1 <1 <1 3 3 4 2 3 3 2 2 3 4 4 1
T WIND DIR SW W W W W W W W W W W W W W W
T WIND SPD 5 16 17 25 28 29 29 32 31 29 28 27 29 28 26
DISPERSION PR PR GD GD GD GD FR FR FR FR
ADI 4 11 19 55 71 82 40 43 42 40 60 70 85 82 24
MAX LVORI 9 7 5 4 3 1 1 1 1 1 1 1 1 1 2
STABILITY E E D D D D D D D D D D D D D
CEILING 700 500 None None 1500 None None None
STA PRES 27.53 27.54 27.56 27.64 27.63 27.65 27.64
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 28 18 40 28 44 31 41 30 40
TEMP 28 25 20 19 38 33 29 31 42 41 36 32 40 36 34 31 38 35
DEWPT 11 11 12 13 10 14 15 23 35 36 32 30 30 28 28 28 29 28
RH 48 55 71 77 31 45 55 72 76 82 85 92 67 72 78 88 70 75
WIND SPD <15 <15 <15 <15 <15 <15 <15 <15 <15
AVG CLOUDS B1 FW FW SC SC B1 B2 B2 B2 OV OV B2 B2 B2 B2 B2 B2 B2
POP 12HR 0 0 0 20 50 50 30 50 50
RAIN C C C C C C C C C C
SNOW 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