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EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Blacksburg VA
103 AM EDT Thu Oct 15 2026
VAZ018-160800-
RAWS 444002
37.56N 80.18W Elev. 2702 ft
103 AM EDT Thu Oct 15 2026
Date 10/14/26 Thu 10/15/26 Fri 10/16/26 Sat
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 66 74 64 82 49
TEMP 68 67 66 70 73 73 69 66 65 65 64 76 81 76 62 56 54 51 49
DEWPT 65 66 65 67 68 67 65 64 62 62 62 65 62 61 57 51 46 44 42
MIN/MAX RH 97 83 96 53 84
RH 90 97 97 90 84 81 87 93 90 90 93 69 53 60 84 83 74 77 77
WIND DIR N N SW S S S S SE S SW W SW W W NW NW NW NW NW
WIND SPD 0 0 2 4 3 3 2 3 3 3 5 8 9 9 14 16 16 14 13
WIND GUST 13 20 25 25 26 33 37 39 39 37
CLOUDS B2 B1 B2 OV OV B2 B2 B1 B1 SC FW FW FW SC B2 B2 B1 B1 B1
CLOUDS(%) 85 58 83 96 89 81 83 68 58 28 13 7 8 43 74 74 62 66 65
VSBY 10 9 4 3 5 5 6 3 2 3 5 9 10 10 10 10 10 10 10
POP 12HR 20 90 50 30 30
RAIN SHWRS IS NM O NM NM SC IS IS SC SC IS IS IS
TSTMS IS IS
Obvis PF
MIX HGT <1 <1 <1 1 1 <1 <1 <1 <1 <1 <1 3 6 5 2
T WIND DIR W W E SE SE SE SE SE S SW SW W W SW SW
T WIND SPD 6 4 1 10 9 6 5 3 3 4 6 24 23 18 18
DISPERSION VP VP VP VP VP VP GD GD GD GD
ADI 3 2 1 14 15 6 3 2 2 3 7 73100 73 21
MAX LVORI 6 6 8 5 4 5 9 7 7 6 5 1 1 1 4
STABILITY F F C C C C F F F E B C C C D
CEILING 1100 100 100 0 None None None 3700
STA PRES 27.87 27.90 27.87 27.83 27.75 27.69 27.58
Date 10/17Sun 10/18/26Mon 10/19/26Tue 10/20/26Wed 10/21/26
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 55 36 55 38 60 43 65 46 65
TEMP 54 44 40 37 55 44 41 39 60 49 47 44 64 53 49 46 65 53
DEWPT 39 33 31 28 33 34 32 31 43 43 41 40 48 46 44 41 50 48
RH 57 65 70 70 43 68 70 73 53 80 79 86 56 77 83 83 58 83
WIND SPD <15 <15 <15 <15 <15 <15 <15 <15 <15
AVG CLOUDS SC FW FW FW FW FW FW FW FW FW SC SC SC SC FW FW FW FW
POP 12HR 20 20 10 10 10 5 0 0 0
RAIN SHWRS 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