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EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Blacksburg VA
801 AM EDT Thu Oct 15 2026
VAZ024-152000-
RAWS 441631
37.63N 79.51W Elev. 865 ft
801 AM 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 70 60 86 50 58
TEMP 68 70 69 66 63 63 62 62 74 85 83 68 60 56 53 50 53 58 57 48
DEWPT 67 66 65 64 63 62 62 62 67 65 63 61 54 50 48 45 43 39 36 35
MAX/MIN RH 85 100 50 85 44
RH 97 87 87 93100 97100100 79 51 51 78 81 80 83 83 69 49 45 60
WIND DIR E E E E SE SE SE SW SW SW SW W NW NW NW N N N N N
WIND SPD 4 3 2 1 1 1 1 1 4 8 5 9 9 8 6 8 10 9 8 5
WIND GUST 20 19 26 28 25 24 25 24 21 21 17
CLOUDS OV OV B2 B2 B1 B1 SC FW FW FW SC B2 B1 B1 B1 B1 B1 FW FW FW
CLOUDS(%) 94 92 81 80 67 69 35 18 17 8 38 81 56 66 68 54 51 24 19 19
VSBY 6 7 8 7 4 4 5 4 8 10 10 10 10 10 10 10 10 10 10 10
POP 12HR 60 20 20 40 30
RAIN SHWRS SC SC SC IS IS SC SC SC SC SC SC
TSTMS IS
Obvis PF
MIX HGT 1 1 1 <1 <1 <1 <1 <1 2 5 2 <1 <1 2 2 3 4 4 4 <1
T WIND DIR E E E E SE S SW SW SW SW SW SW NW NW NW NW N N N N
T WIND SPD 13 8 5 5 4 2 1 3 6 18 14 9 23 17 9 11 27 27 18 12
DISPERSION VP VP VP VP PR PR PR PR PR
ADI 20 12 8 3 2 1 1 3 16106 41 8 21 19 6 26 74106 96 6
MAX LVORI 5 4 4 6 9 10 10 9 4 1 1 4 3 3 4 4 1 1 1 3
STABILITY D C C F F F G A B B B D D D E D D C B F
CEILING 800 400 400 None None None 3000 1000 None None
STA PRES 28.63 28.62 28.58 28.49 28.41 28.30 28.35 28.42 28.57 28.68
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 35 58 36 62 41 68 43 68
TEMP 40 36 57 48 40 38 61 54 45 43 66 58 48 44 66 58
DEWPT 33 30 33 36 35 34 43 45 43 42 47 48 46 44 49 49
RH 76 79 40 63 82 85 51 71 93 96 50 69 93100 54 72
WIND SPD <15 <15 <15 <15 <15 <15 <15 <15
AVG CLOUDS FW FW FW FW FW FW FW SC SC SC SC SC FW FW FW FW
POP 12HR 10 10 20 10 5 0 0 0
RAIN SHWRS 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