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EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Blacksburg VA
631 AM EST Sun Nov 15 2026
NCZ005-152100-
RAWS 310540
36.38N 79.70W Elev. 858 ft
631 AM EST Sun Nov 15 2026
Date Sun 11/15/26 Mon 11/16/26 Tue 11/17/26
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 55 32 57 29 62
TEMP 30 47 54 54 44 40 37 33 32 48 56 56 43 38 34 31 30 48 60 61 48
DEWPT 29 35 33 32 33 33 33 32 31 37 36 34 35 35 33 31 30 39 38 36 36
MAX/MIN RH 42 95 42 100 38
RH 96 63 45 43 65 76 85 96 96 65 47 43 73 89 96100100 71 44 39 63
WIND DIR NW N N NW N N N N N N N N N N N NW NW N NE N N
WIND SPD 3 8 6 6 4 4 3 3 2 3 3 2 0 0 0 1 1 1 1 0 0
CLOUDS CL CL SC SC SC FW SC FW CL FW CL CL CL CL CL CL FW CL CL CL CL
CLOUDS(%) 3 1 31 39 33 16 27 15 5 10 4 2 4 1 2 5 14 0 0 1 0
VSBY 8 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 8 9 10 10
POP 12HR 0 0 0 0 0
MIX HGT <1 3 5 5 <1 <1 <1 <1 <1 3 4 4 <1 <1 <1 <1 <1 1 3 2 <1
T WIND DIR NW N N N N N N N N N N N E NE N NE N E N N SE
T WIND SPD 6 14 11 11 10 9 9 8 5 8 8 6 4 2 3 3 3 4 4 4 4
DISPERSION VP VP VP VP VP VP VP VP VP
ADI 7 58 72 63 5 4 4 4 6 33 38 30 2 1 2 2 3 7 18 15 2
MAX LVORI 6 1 1 1 3 4 5 6 6 3 1 2 3 7 10 10 9 3 2 2 3
STABILITY B B B B F F G G B B B B G G G G A A A A G
CEILING None None None None None None None None None None
STA PRES 29.48 29.49 29.58 29.63 29.68 29.65 29.70 29.73 29.75 29.69
Date Wed 11/18/26Thu 11/19/26Fri 11/20/26Sat 11/21/26
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 29 66 31 68 35 69 37 69
TEMP 35 31 65 51 37 33 66 53 40 36 68 51 42 38 66 55
DEWPT 34 31 35 35 34 31 34 35 34 32 38 38 37 36 41 42
RH 96100 33 54 89 92 30 50 79 85 33 61 82 92 40 61
WIND SPD <15 <15 <15 <15 <15 <15 <15 <15
AVG CLOUDS CL FW FW CL CL CL FW FW FW FW FW FW FW FW FW FW
POP 12HR 0 0 0 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