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EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Blacksburg VA
131 AM EST Sat Nov 14 2026
VAZ046-150900-
RAWS 441101
37.39N 78.80W Elev. 804 ft
131 AM EST Sat Nov 14 2026
Date 11/13/26 Sat 11/14/26 Sun 11/15/26 Mon
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 31 52 30 55 28
TEMP 32 31 46 51 52 43 38 34 31 30 47 53 54 45 38 35 31 30
DEWPT 26 26 25 24 23 25 26 26 26 26 31 30 29 30 31 30 29 28
MIN/MAX RH 82 32 86 38 96
RH 78 81 43 34 32 49 62 72 81 85 53 41 38 55 76 82 92 92
WIND DIR W W NW NW NW W W W W W NW NW NW NW NW NW NW N
WIND SPD 4 5 10 12 11 8 5 5 5 5 6 6 6 4 3 3 3 3
WIND GUST 21
CLOUDS SC CL FW SC FW CL CL CL CL CL FW FW SC SC FW FW FW FW
CLOUDS(%) 30 1 15 39 16 3 3 2 2 1 6 19 43 31 23 13 13 11
VSBY 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10
POP 12HR 40 0 0 0 0
RAIN SHWRS
MIX HGT <1 <1 5 7 6 <1 <1 <1 <1 <1 3 6 6 <1 <1 <1 <1 <1
T WIND DIR NW NW NW NW NW NW W W NW W NW NW NW N N N N N
T WIND SPD 6 8 19 18 17 11 9 10 9 9 11 10 12 10 9 6 5 4
DISPERSION VP PR PR PR PR VP VP VP VP
ADI 3 8 78 87 75 8 4 5 4 10 42 67 80 5 4 3 3 5
MAX LVORI 3 3 1 1 1 2 3 3 4 4 1 1 1 3 3 5 6 6
STABILITY F B C C C E F F F B B B B F G G G B
CEILING None None None None None None None None None
STA PRES 29.20 29.28 29.33 29.44 29.49 29.56 29.57 29.66 29.71
Date 11/16Tue 11/17/26Wed 11/18/26Thu 11/19/26Fri 11/20/26
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 57 28 60 28 65 30 67 34 68
TEMP 56 46 34 29 59 47 35 31 62 49 36 32 64 51 39 36 67 54
DEWPT 33 32 31 28 35 34 32 29 34 33 31 28 32 33 32 30 36 36
RH 42 58 89 96 40 60 89 92 35 54 82 85 30 50 76 79 32 50
WIND SPD <15 <15 <15 <15 <15 <15 <15 <15 <15
AVG CLOUDS FW CL CL CL CL CL CL CL CL CL CL CL CL FW SC SC SC SC
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