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EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Blacksburg VA
501 PM EDT Sun Oct 4 2026
VAZ012-050800-
RAWS 447502
37.01N 81.18W Elev. 2540 ft
501 PM EDT Sun Oct 4 2026
Date 10/04/26 Mon 10/05/26 Tue 10/06/26 Wed
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 49 71 38 70 41
TEMP 62 56 54 51 50 61 69 69 55 48 43 40 40 57 66 69 58 49 47 42 44
DEWPT 61 56 54 51 48 51 48 46 45 42 40 38 38 46 48 48 48 46 44 42 43
MIN/MAX RH 100 42 99 47 100
RH 97100100100 93 70 47 44 69 80 89 92 92 67 52 47 69 89 89100 96
WIND DIR N N NW NW NW N N N N N N NE N SE S S SE S N SW W
WIND SPD 1 1 1 2 2 2 3 2 2 1 1 1 0 2 1 1 1 1 0 1 2
CLOUDS B2 OV B2 B1 SC SC FW FW CL CL CL FW FW FW CL CL CL CL FW FW FW
CLOUDS(%) 85 91 75 65 45 44 7 7 2 4 5 12 10 10 5 4 3 4 7 8 8
VSBY 10 6 5 3 10 10 10 10 10 10 10 10 10 10 10 10 10
POP 12HR 5 0 0 0 0
Obvis PF PF PF
MIX HGT <1 <1 <1 <1 <1 2 3 3 <1 <1 <1 <1 <1 2 3 3 <1
T WIND DIR NW NW NW NW N NW N N N N N NW N SE S S SE
T WIND SPD 4 10 10 12 13 13 13 14 8 5 3 1 0 9 3 2 4
DISPERSION VP VP VP VP VP VP VP VP VP VP VP VP
ADI 2 5 5 6 14 36 52 58 4 3 2 1 0 22 14 10 2
MAX LVORI 9 9 9 9 5 3 1 1 3 4 7 8 8 3 2 2 3
STABILITY F F F F B B B B G G G G A B A A G
CEILING 200 100 None None None None None None None
STA PRES 27.34 27.33 27.35 27.34 27.37 27.37 27.37 27.29
Date 10/07Thu 10/08/26Fri 10/09/26Sat 10/10/26Sun 10/11/26
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 75 47 75 45 76 45 72 46 67
TEMP 72 62 52 48 72 62 51 47 72 62 51 46 68 60 50 47 62 58
DEWPT 53 53 48 47 53 52 47 44 52 51 46 44 51 50 47 46 54 54
RH 51 72 86 96 51 70 86 89 49 67 83 93 54 69 89 96 75 86
WIND SPD <15 <15 <15 <15 <15 <15 <15 <15 <15
AVG CLOUDS FW CL CL FW FW FW FW FW FW FW SC SC B1 B1 B1 B2 B1 B2
POP 12HR 0 0 0 0 0 0 5 40 60
RAIN SHWRS SC SC NM
$$
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