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EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Blacksburg VA
231 PM EDT Mon Oct 12 2026
NCZ003-130800-
RAWS 310302
36.35N 80.48W Elev. 1076 ft
231 PM EDT Mon Oct 12 2026
Date 10/12/26 Tue 10/13/26 Wed 10/14/26 Thu
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 54 82 58 85 63
TEMP 75 65 59 56 55 55 71 79 79 68 64 61 59 59 74 82 83 73 67 64 64 64
DEWPT 58 61 58 55 54 54 63 64 64 63 61 60 57 57 65 67 67 66 64 63 61 62
MIN/MAX RH 97 57 97 56 95
RH 55 87 96 96 96 96 76 60 60 84 90 97 93 93 74 61 59 79 90 97 90 93
WIND DIR NW NW NW NW NW W W SW SW SW W W W W W SW SW SW W W W NW
WIND SPD 6 3 3 4 4 3 2 4 5 3 3 2 3 3 3 4 4 3 2 2 3 3
CLOUDS FW SC CL CL CL CL CL CL CL CL CL CL CL CL CL CL FW FW FW FW FW FW
CLOUDS(%) 17 41 2 1 2 0 2 4 5 3 0 0 1 0 1 3 10 12 12 10 19 21
VSBY 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10
POP 12HR 0 0 0 0 0
MIX HGT 2 <1 <1 <1 <1 <1 1 3 3 <1 <1 <1 <1 <1 2 3 2 <1
T WIND DIR NW NW W NW NW NW W W SW SW W W W W NW W SW SW
T WIND SPD 12 2 2 2 2 3 4 9 9 3 3 2 2 2 6 10 8 4
DISPERSION VP VP VP VP VP VP VP VP VP VP VP VP
ADI 38 1 1 1 1 4 7 34 32 2 2 1 1 2 14 38 23 2
MAX LVORI 1 6 7 8 8 9 4 1 1 5 7 8 7 6 3 1 2 4
STABILITY B F G F F B B B B G G G G B B B B G
CEILING None None None None None None None None None None
STA PRES 28.93 28.97 28.97 29.00 28.96 28.98 28.99 29.03 28.98
Date 10/15Fri 10/16/26Sat 10/17/26Sun 10/18/26Mon 10/19/26
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 82 63 82 47 62 37 61 40 67
TEMP 81 73 65 64 79 65 53 47 56 49 41 38 56 51 42 41 61 57
DEWPT 69 68 65 63 67 57 43 38 38 38 35 33 39 41 38 36 47 50
RH 67 84100 97 67 75 69 71 51 66 79 82 53 68 86 82 60 77
WIND SPD <15 <15 <15 15> <15 <15 <15 <15 <15
AVG CLOUDS SC SC SC SC SC SC SC FW FW FW FW FW CL FW FW FW FW FW
POP 12HR 20 10 20 5 5 0 0 0 0
RAIN SHWRS IS IS
TSTMS 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