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EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Blacksburg VA
701 AM EST Tue Nov 10 2026
VAZ046-102100-
RAWS 441101
37.39N 78.80W Elev. 804 ft
701 AM EST Tue Nov 10 2026
Date Tue 11/10/26 Wed 11/11/26 Thu 11/12/26
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 70 43 69 44 64
TEMP 57 66 67 55 51 48 44 43 61 67 67 56 51 49 46 45 58 64 61 52
DEWPT 39 38 37 40 42 43 43 42 49 48 47 48 47 46 44 44 49 48 45 44
MAX/MIN RH 30 99 45 98 54
RH 51 36 33 57 71 83 96 96 65 50 49 74 86 89 93 96 72 56 56 74
WIND DIR SW W W W W W W SE S S S S S S SW SW SW W W W
WIND SPD 8 11 6 4 3 3 3 1 2 5 4 3 3 3 3 4 6 10 11 9
WIND GUST 21 20
CLOUDS CL CL CL CL CL CL CL CL CL FW FW B1 B1 SC SC B1 SC SC B1 B1
CLOUDS(%) 1 1 1 1 3 2 2 1 1 7 23 61 52 44 44 54 40 50 53 51
VSBY 10 10 10 10 10 10 10 9 10 10 10 10 10 10 9 7
POP 12HR 0 0 0 5 30
RAIN C C
MIX HGT 1 3 3 <1 <1 <1 <1 <1 1 4 3 <1 <1 <1 <1 <1 2 5 4 3
T WIND DIR W W W W W W NW NW S SW SW S SW SW W W W W NW NW
T WIND SPD 12 18 13 9 6 6 5 3 4 10 9 9 8 8 5 8 12 16 16 13
DISPERSION VP VP VP VP VP VP VP VP PR
ADI 23 62 53 4 3 3 3 3 9 49 32 4 4 4 3 9 35 67 42 19
MAX LVORI 2 1 1 3 3 5 6 9 3 1 1 3 5 6 6 6 3 1 1 3
STABILITY B C B F G G G A B B B F F F F D B C D D
CEILING None None None None None None None None None None
STA PRES 29.36 29.30 29.32 29.31 29.27 29.13 29.04 28.91 28.85 28.84
Date Fri 11/13/26Sat 11/14/26Sun 11/15/26Mon 11/16/26
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 39 53 31 52 29 54 29 55
TEMP 43 39 52 42 35 32 49 40 33 29 52 44 33 30 53 45
DEWPT 39 34 32 30 29 26 25 26 26 24 28 29 28 26 30 32
RH 86 82 46 62 78 78 39 57 75 81 39 55 82 85 41 60
WIND SPD <15 <15 <15 <15 <15 <15 <15 <15
AVG CLOUDS B1 SC SC SC SC SC FW FW FW CL FW CL FW FW FW FW
POP 12HR 10 10 5 0 0 0 0 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