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EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Blacksburg VA
1231 PM EST Fri Nov 13 2026
NCZ003-132100-
RAWS 310301
36.48N 80.86W Elev. 1300 ft
1231 PM EST Fri Nov 13 2026
Date Fri 11/13/26 Sat 11/14/26 Sun 11/15/26
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 51 31 49 30 53
TEMP 50 48 42 38 35 34 32 42 47 47 39 35 33 32 31 45 51 52 44
DEWPT 32 32 32 32 30 28 26 31 30 30 30 30 28 27 29 34 34 35 36
MAX/MIN RH 50 83 50 96 49
RH 50 54 67 79 82 78 78 65 51 51 70 82 82 81 92 65 52 52 73
WIND DIR NW NW NW NW NW NW NW NW NW NW NW NW NW NW NW NW NW N N
WIND SPD 8 6 6 5 5 5 8 11 11 10 4 4 3 4 4 9 6 8 4
WIND GUST 20 18 17 19 23 23 17 14 19
CLOUDS B1 B2 B2 B2 B1 SC SC SC FW FW CL FW FW FW FW FW FW FW FW
CLOUDS(%) 65 76 79 79 62 45 42 26 18 6 3 7 8 7 11 25 18 10 13
VSBY 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10
POP 12HR 10 5 0 0 0
MIX HGT 4 5 <1 <1 <1 <1 <1 4 4 4 <1 <1 <1 <1 <1 3 4 4 1
T WIND DIR NW N N NW NW NW NW NW NW NW NW NW NW NW NW NW N N N
T WIND SPD 19 17 11 14 11 12 12 19 18 16 12 12 12 12 11 17 14 11 11
DISPERSION PR PR PR PR VP VP VP VP VP
ADI 77 70 8 10 5 6 13 70 72 59 6 6 6 6 12 57 71 51 5
MAX LVORI 1 1 3 4 5 4 4 1 1 1 3 4 4 4 5 1 1 1 3
STABILITY C C E E F F B C C C F F F F B C B B F
CEILING 4000 8200 None None None None None None None
STA PRES 27.87 27.93 27.99 28.10 28.17 28.24 28.29 28.36 28.38
Date Mon 11/16/26Tue 11/17/26Wed 11/18/26Thu 11/19/26
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 57 30 61 31 65 33 67
TEMP 34 30 55 46 35 31 59 48 36 32 64 48 39 35 66 51
DEWPT 32 29 35 36 32 29 36 37 32 29 33 35 30 28 35 37
RH 92 96 47 68 89 92 42 65 85 88 31 60 70 75 32 59
WIND SPD <15 <15 <15 <15 <15 <15 <15 <15
AVG CLOUDS FW FW FW CL FW FW FW CL CL CL CL CL CL CL 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