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EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Blacksburg VA
631 AM EST Tue Nov 10 2026
NCZ003-102100-
RAWS 310301
36.48N 80.86W Elev. 1300 ft
631 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 73 42 68 46 62
TEMP 44 59 69 69 54 49 47 44 42 61 66 66 56 51 48 47 46 58 62 58 50
DEWPT 36 39 38 39 41 41 41 41 41 48 47 48 49 45 43 44 46 50 47 45 44
MAX/MIN RH 29 97 47 98 57
RH 73 47 32 33 61 74 79 89 96 62 50 52 77 80 83 89100 75 58 62 80
WIND DIR NW SW W NW W W W NW NW N S S SW W W W W W W NW NW
WIND SPD 1 1 3 2 2 2 2 2 1 0 5 4 1 1 1 1 1 6 11 11 9
WIND GUST 21 21
CLOUDS CL CL CL FW FW FW CL CL FW CL FW FW SC SC SC B1 SC SC B1 SC SC
CLOUDS(%) 2 2 4 9 9 7 3 3 13 3 23 21 38 35 38 54 49 46 53 47 39
VSBY 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10
POP 12HR 0 0 0 20 20
RAIN S S S S
MIX HGT <1 1 3 1 <1 <1 <1 <1 <1 1 4 3 <1 <1 <1 <1 <1 3 4 4 2
T WIND DIR W W W NW NW W NW NW NW W SW SW W W W W W W NW NW NW
T WIND SPD 6 8 9 6 6 6 8 9 6 3 10 8 6 5 8 6 6 13 17 13 16
DISPERSION VP VP VP VP VP VP VP VP PR
ADI 7 15 36 12 3 3 4 4 7 7 45 28 3 3 4 3 7 48 49 49 11
MAX LVORI 6 2 1 2 3 3 5 5 6 3 1 2 4 5 5 6 8 3 1 1 4
STABILITY A A B B G G G G A A B B G G G F A B D C E
CEILING None None None None None None None None None None
STA PRES 28.19 28.14 28.15 28.12 28.07 27.95 27.87 27.75 27.72 27.72
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 36 50 31 48 29 55 30 57
TEMP 42 37 49 40 35 32 46 38 32 29 53 44 34 32 55 47
DEWPT 37 32 32 30 27 25 26 28 26 24 28 30 27 26 32 35
RH 82 82 52 67 72 75 45 67 78 81 38 57 75 78 41 63
WIND SPD <15 <15 <15 <15 <15 <15 <15 <15
AVG CLOUDS SC SC SC SC SC SC FW FW FW CL CL FW FW SC SC FW
POP 12HR 0 0 0 0 0 0 0 5
$$
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