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EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Blacksburg VA
631 AM EST Wed Nov 11 2026
VAZ024-112100-
RAWS 441631
37.63N 79.51W Elev. 865 ft
631 AM EST Wed Nov 11 2026
Date Wed 11/11/26 Thu 11/12/26 Fri 11/13/26
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 69 43 62 35 52
TEMP 46 56 69 69 57 50 46 44 43 54 61 59 50 44 40 37 35 44 51 49 41
DEWPT 42 45 44 43 43 44 42 42 43 47 46 41 40 38 36 34 31 33 31 27 28
MAX/MIN RH 38 97 51 89 41
RH 86 66 40 39 59 80 86 93100 77 58 51 68 79 85 89 85 65 46 42 59
WIND DIR N N S S N SW W SW W W W NW NW NW W W NW NW NW NW NW
WIND SPD 0 0 3 3 1 1 1 1 1 6 10 10 8 4 3 5 6 10 10 10 6
WIND GUST 20 23 25 25 20 18 20 21 24 23 24 24
CLOUDS FW FW FW SC SC SC SC SC SC SC B1 B1 SC FW FW SC FW FW SC SC SC
CLOUDS(%) 14 9 19 33 42 28 33 49 42 26 61 51 46 24 25 39 25 22 44 45 43
VSBY 10 10 10 10 10 10 10 1 1 10 10 10 10 10 10 10
POP 12HR 0 30 30 20 0
RAIN SHWRS SC SC SC SC SC IS
Obvis PF PF
MIX HGT <1 1 5 3 <1 <1 <1 <1 <1 4 4 4 2 <1 1 <1 <1 4 6 5 <1
T WIND DIR W W SW SW S SW SW W W W W NW NW W W W NW NW NW NW NW
T WIND SPD 4 4 10 9 8 8 8 6 10 19 20 18 14 11 10 9 10 14 14 13 10
DISPERSION VP VP VP VP PR VP VP PR PR
ADI 4 8 60 30 4 4 4 3 10 89 60 51 20 5 5 4 11 57 68 59 7
MAX LVORI 5 3 1 2 3 4 6 6 6 3 1 1 3 4 5 6 4 1 1 1 3
STABILITY A A B B F G G F A B D D D F G F B C C C E
CEILING None None None None None None None None None None
STA PRES 28.40 28.26 28.18 28.06 28.05 28.10 28.13 28.15 28.19 28.22
Date Sat 11/14/26Sun 11/15/26Mon 11/16/26Tue 11/17/26
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 28 50 25 54 25 55 26 57
TEMP 33 29 50 41 31 26 52 43 30 26 53 44 32 26 55 45
DEWPT 27 23 27 26 26 23 29 27 26 23 29 29 27 24 31 30
RH 78 78 41 55 81 88 41 53 85 88 39 55 81 92 40 55
WIND SPD <15 <15 <15 <15 <15 <15 <15 <15
AVG CLOUDS SC FW FW FW FW FW FW CL FW FW FW FW SC SC SC FW
POP 12HR 0 0 0 0 0 0 5 0
$$
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