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EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Blacksburg VA
801 AM EDT Fri Oct 9 2026
VAZ012-092000-
RAWS 447502
37.01N 81.18W Elev. 2540 ft
801 AM EDT Fri Oct 9 2026
Date Fri 10/09/26 Sat 10/10/26 Sun 10/11/26
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 73 51 63 52 65
TEMP 63 70 70 59 55 54 52 51 55 57 57 54 53 54 55 56 61 64 63 59
DEWPT 46 46 48 48 46 44 42 43 51 52 52 53 53 54 55 56 60 63 60 59
MAX/MIN RH 41 88 68 100 90
RH 54 42 45 67 72 69 69 74 86 83 83 96100100100100 97 97 90100
WIND DIR N NE NE E E E E E E E E E E E E E E SE S SW
WIND SPD 0 1 1 1 1 2 2 3 3 4 5 10 10 10 8 6 4 4 3 3
WIND GUST 14 17 23 24 23 20 17
CLOUDS B2 B2 B2 B2 OV OV OV OV OV OV OV OV OV OV OV OV OV B2 B2 B2
CLOUDS(%) 81 80 82 75 94 94 90 88 89 92 89 99 99 97 97 96 96 87 87 73
VSBY 10 10 10 10 10 10 10 10 10 7 7 8 10 9 4 10 10 10 10 10
POP 12HR 0 5 80 100 90
RAIN D D D D D D D
RAIN SHWRS IS O O O O NM
TSTMS IS
MIX HGT 2 3 2 <1 <1 <1 <1 <1 2 2 2 <1 <1 <1 <1 <1 1 2 2 <1
T WIND DIR N NE NE E E E SE SE SE E E E E E E E SE S SW W
T WIND SPD 8 5 4 3 3 4 4 10 26 25 26 20 17 12 12 12 9 23 23 12
DISPERSION VP VP VP VP FR FR FR PR VP
ADI 17 24 10 1 1 2 2 11 63 46 47 19 15 11 11 14 13 47 59 6
MAX LVORI 2 2 2 3 3 3 3 3 4 4 4 5 5 7 7 5 5 4 4 9
STABILITY A A A F F F F B C D D D D D D D D D C F
CEILING 28800 25300 20500 15200 7600 1200 200 100 0 700
STA PRES 27.46 27.45 27.45 27.50 27.52 27.46 27.41 27.30 27.21 27.20
Date Mon 10/12/26Tue 10/13/26Wed 10/14/26Thu 10/15/26
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 55 71 53 78 53 76 50 75
TEMP 57 56 66 62 55 53 73 65 57 53 71 63 53 50 71 62
DEWPT 57 56 61 59 55 53 61 60 55 52 58 57 52 49 59 57
RH 100100 84 90100100 66 84 93 96 63 81 96 96 66 84
WIND SPD <15 <15 <15 <15 <15 <15 <15 <15
AVG CLOUDS B2 B2 B2 SC SC SC FW FW FW FW FW FW FW FW SC FW
POP 12HR 60 20 0 5 10 10 5 5
RAIN SHWRS NM SC 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