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EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Blacksburg VA
401 PM EST Sat Nov 14 2026
NCZ001-150900-
RAWS 310142
36.40N 81.46W Elev. 4608 ft
401 PM EST Sat Nov 14 2026
Date 11/14/26 Sun 11/15/26 Mon 11/16/26 Tue
UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12
EST 3hrly 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07
MIN/MAX TEMP 30 39 27 50 32
TEMP 30 31 31 32 32 32 37 36 34 32 31 28 27 39 48 45 36 33 34 34 34
DEWPT 23 24 25 26 27 28 26 26 27 28 26 25 25 28 26 28 28 28 27 26 26
MIN/MAX RH 86 63 91 41 83
RH 75 75 78 78 81 85 64 67 75 85 81 88 92 64 42 51 72 82 75 72 72
WIND DIR NW NW NW NW NW NW NW NW NW NW NW NW N NE E NE N N NW NW W
WIND SPD 25 26 24 23 19 13 8 9 11 10 8 6 4 1 1 2 2 3 3 2 2
CLOUDS FW FW SC B1 B1 B1 B1 SC SC FW FW CL CL FW CL CL CL CL CL CL CL
CLOUDS(%) 19 11 36 59 63 59 60 38 36 21 12 5 2 9 3 1 3 3 4 4 5
VSBY 10 10 9 8 8 9 10 10 9 9 7 8 8 10 10 10 10
POP 12HR 0 0 0 0 0
MIX HGT 1 <1 1 1 1 2 2 2 2 <1 <1 <1 <1 1 3 2 <1
T WIND DIR NW NW NW NW NW NW NW NW N N N N NE NE NE NE NE
T WIND SPD 25 26 24 23 18 19 14 16 13 11 10 8 6 6 5 5 5
DISPERSION GD GD GD GD FR FR PR PR VP VP VP VP
ADI 23 24 22 21 26 37 31 44 9 8 7 4 7 12 19 18 3
MAX LVORI 3 3 3 3 3 4 1 1 4 4 4 6 5 2 2 2 3
STABILITY D D D D D D D C E E E F B A A B G
CEILING None 400 500 None None None None None None
STA PRES 26.97 27.00 27.08 27.10 27.15 27.18 27.22 27.20
Date 11/17Wed 11/18/26Thu 11/19/26Fri 11/20/26Sat 11/21/26
UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00
EST 6hrly 13 19 01 07 13 19 01 07 13 19 01 07 13 19 01 07 13 19
MAX/MIN TEMP 53 35 56 36 59 40 60 40 58
TEMP 52 43 39 37 54 45 39 38 56 48 43 41 57 49 43 41 55 49
DEWPT 25 28 27 23 21 25 23 18 22 28 26 24 28 31 30 29 31 33
RH 35 55 62 56 27 45 52 44 26 46 51 50 33 50 60 62 40 54
WIND SPD <15 <15 <15 <15 <15 <15 <15 <15 <15
AVG CLOUDS CL CL CL CL CL CL CL CL FW SC SC SC FW FW FW FW FW FW
POP 12HR 0 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