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EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Blacksburg VA
201 AM EST Tue Nov 10 2026
VAZ024-110900-
RAWS 441631
37.63N 79.51W Elev. 865 ft
201 AM EST Tue Nov 10 2026
Date 11/09/26 Tue 11/10/26 Wed 11/11/26 Thu
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 35 69 41 69 42
TEMP 37 35 51 68 68 57 51 47 43 41 56 68 68 58 51 47 44 43
DEWPT 37 35 38 37 40 42 43 43 42 40 48 46 45 46 46 44 42 42
MIN/MAX RH 99 31 100 42 98
RH 100100 61 32 36 57 74 86 96 96 74 45 43 64 83 89 93 96
WIND DIR W W W W W W W W N N N SW S S N SW N W
WIND SPD 1 2 3 5 4 2 1 1 0 0 0 3 2 1 0 1 0 1
CLOUDS CL CL CL CL CL CL CL CL CL CL CL FW FW B1 B1 SC SC B1
CLOUDS(%) 2 2 2 1 1 1 5 4 2 4 2 16 22 68 55 47 50 61
VSBY 10 10 10 10 10 10 10 10 6 7 10 10 10 10 10 10 7 4
POP 12HR 0 0 0 0 10
RAIN C
Obvis PF
MIX HGT <1 <1 2 3 2 <1 <1 <1 <1 <1 2 4 3 <1 <1 <1 <1 <1
T WIND DIR W W W W W W W W W W W SW SW S SW SW W W
T WIND SPD 6 8 13 17 11 8 6 6 5 4 5 9 8 6 6 6 6 5
DISPERSION VP VP VP VP VP VP VP VP VP
ADI 3 8 32 68 26 4 3 3 3 4 12 44 33 3 3 3 3 4
MAX LVORI 9 8 1 1 2 3 4 6 9 9 3 1 1 3 5 6 8 7
STABILITY G B B B B G G G G A A B B F F F F C
CEILING None None None None None None 17500 None
STA PRES 28.52 28.47 28.49 28.47 28.42 28.28 28.20 28.07
Date 11/12Fri 11/13/26Sat 11/14/26Sun 11/15/26Mon 11/16/26
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 63 36 52 30 50 26 55 26 57
TEMP 63 52 42 36 51 42 35 30 49 40 32 27 53 45 32 27 55 47
DEWPT 47 43 37 31 31 29 27 24 25 26 26 23 27 28 27 24 29 31
RH 56 71 82 82 46 60 72 78 39 57 78 85 36 51 81 88 37 53
WIND SPD <15 <15 <15 <15 <15 <15 <15 <15 <15
AVG CLOUDS B1 B1 B1 SC SC SC SC SC FW SC FW CL FW FW FW FW FW FW
POP 12HR 30 5 5 0 0 0 0 0 0
RAIN C 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