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EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Blacksburg VA
131 PM EDT Thu Oct 15 2026
VAZ018-152000-
RAWS 444002
37.56N 80.18W Elev. 2702 ft
131 PM EDT Thu Oct 15 2026
Date Thu 10/15/26 Fri 10/16/26 Sat 10/17/26
UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00
EDT 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20
MAX/MIN TEMP 71 64 82 49 55
TEMP 70 70 68 66 65 65 64 76 81 76 62 56 54 51 49 50 54 52 44
DEWPT 68 67 65 64 62 62 62 65 62 61 57 51 46 44 42 41 39 36 33
MAX/MIN RH 91 94 53 84 54
RH 93 90 90 93 90 90 93 69 53 60 84 83 74 77 77 71 57 54 65
WIND DIR S S S SE S SW W SW W W NW NW NW NW NW N N N N
WIND SPD 3 3 2 3 3 3 5 8 9 9 14 16 16 14 13 11 9 9 6
WIND GUST 13 20 25 25 26 33 37 39 39 37 29 25 23 20
CLOUDS OV OV B2 B1 B1 SC FW FW FW SC B2 B2 B1 B1 B1 SC SC FW FW
CLOUDS(%) 94 91 83 68 58 28 13 7 8 43 74 74 62 66 65 42 34 20 25
VSBY 5 6 7 3 3 4 4 9 10 10 10 10 10 10 10 10 10 10 10
POP 12HR 70 50 30 30 20
RAIN SHWRS NM NM SC IS IS SC SC IS IS IS IS IS
TSTMS IS IS
MIX HGT 1 <1 <1 <1 <1 <1 <1 3 6 4 2 2 2 2 2 3 4 4 1
T WIND DIR E SE SE S S S SW W W W W NW NW NW NW N N N N
T WIND SPD 9 5 5 5 3 2 4 21 21 18 10 24 24 20 21 26 20 26 25
DISPERSION VP VP VP VP GD GD GD GD PR
ADI 11 5 3 3 2 1 5 84 97 66 12 27 32 28 44 88 79 98 11
MAX LVORI 4 5 6 6 7 7 6 1 1 1 4 3 3 3 3 3 1 1 3
STABILITY C C F F F G B B C C D D D D D C C C F
CEILING 100 100 None None None 1300 1400 None None
STA PRES 27.89 27.85 27.77 27.69 27.61 27.66 27.72 27.85 27.96
Date Sun 10/18/26Mon 10/19/26Tue 10/20/26Wed 10/21/26
UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00
EDT 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20
MIN/MAX TEMP 36 55 38 60 44 65 46 65
TEMP 40 37 55 46 41 39 60 51 47 45 64 55 49 47 65 55
DEWPT 31 28 33 34 32 31 43 43 41 40 47 46 44 41 49 48
RH 70 70 43 63 70 73 53 74 79 82 54 72 83 79 56 77
WIND SPD <15 <15 <15 <15 <15 <15 <15 <15
AVG CLOUDS FW FW FW FW FW FW FW FW SC SC SC SC FW FW FW FW
POP 12HR 20 10 20 10 5 0 0 0
RAIN SHWRS IS IS IS
$$
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