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EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Blacksburg VA
1201 AM EDT Fri Oct 16 2026
VAZ024-170800-
RAWS 441631
37.63N 79.51W Elev. 865 ft
1201 AM EDT Fri Oct 16 2026
Date 10/15/26 Fri 10/16/26 Sat 10/17/26 Sun
UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12
EDT 3hrly 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08
MIN/MAX TEMP 61 86 47 59 36
TEMP 63 63 63 73 85 83 68 60 55 51 48 50 56 57 48 42 40 37 36
DEWPT 63 63 63 68 66 64 62 54 49 48 46 44 39 35 34 32 31 28 27
MIN/MAX RH 100 52 96 43 71
RH 100100100 84 53 53 81 81 80 89 93 80 53 43 58 67 70 70 69
WIND DIR SE SE SW SW SW W W NW NW NW N N N N N N N N N
WIND SPD 1 1 2 4 6 5 8 8 5 4 6 9 8 8 5 4 2 3 4
WIND GUST 19 18 24 26 23 20 21 23 21 20 19 16 12 13 14
CLOUDS B1 SC SC FW FW SC B1 SC B2 B1 SC SC FW CL CL FW CL CL CL
CLOUDS(%) 65 49 32 12 13 31 57 34 79 55 41 27 12 2 2 6 5 4 3
VSBY 1 4 2 10 10 7 6 6 6 10 10 10 10 10 10 10 10 10
POP 12HR 60 20 30 20 0
RAIN SHWRS SC SC IS
TSTMS
MIX HGT <1 <1 <1 2 5 2 1 1 2 2 2 4 6 5 <1
T WIND DIR SE SW SW SW SW W NW NW NW NW N N N N N
T WIND SPD 2 1 2 6 21 21 24 31 27 24 21 27 25 20 9
DISPERSION VP VP PR PR PR VP PR VP VP VP
ADI 1 1 2 15123 68 22 35 19 16 45108109 87 4
MAX LVORI 10 10 9 4 1 1 3 3 3 3 4 1 1 1 3
STABILITY F F B B B B D D E E B C C C F
CEILING None None None None 3200 None None None
STA PRES 28.49 28.39 28.30 28.42 28.52 28.72 28.81
Date 10/18Mon 10/19/26Tue 10/20/26Wed 10/21/26Thu 10/22/26
UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00
EDT 6hrly 14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20
MAX/MIN TEMP 60 36 63 41 70 44 70 43 68
TEMP 58 49 40 37 61 54 44 41 68 59 48 45 69 56 48 44 67 56
DEWPT 31 34 33 32 41 43 40 38 46 46 45 42 47 47 46 44 49 49
RH 36 56 76 82 48 66 86 89 45 62 89 89 45 72 93100 52 77
WIND SPD <15 <15 <15 <15 <15 <15 <15 <15 <15
AVG CLOUDS CL FW FW FW FW FW FW FW FW FW FW FW FW FW FW FW FW FW
POP 12HR 5 5 10 5 0 0 0 5 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