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EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Blacksburg VA
901 AM EDT Fri Oct 2 2026
NCZ003-022000-
RAWS 310301
36.48N 80.86W Elev. 1300 ft
901 AM EDT Fri Oct 2 2026
Date Fri 10/02/26 Sat 10/03/26 Sun 10/04/26
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 87 64 75 58 68
TEMP 78 84 84 75 69 67 65 65 71 71 68 65 62 60 59 59 62 65 67 65
DEWPT 63 63 64 65 65 65 64 64 68 68 67 64 60 59 58 59 62 65 66 65
MAX/MIN RH 46 99 84 99 96
RH 60 49 51 71 87 93 97 97 90 90 97 97 93 96 96100100100 97100
WIND DIR S SW SW W NW NW NW NE E E E E E N N N N E E N
WIND SPD 2 4 4 1 1 1 1 1 3 4 4 2 1 0 0 0 0 1 1 0
CLOUDS FW B1 SC SC FW SC SC B2 B2 OV OV OV OV OV OV OV OV OV OV OV
CLOUDS(%) 23 52 43 45 22 43 44 76 85 94 89 89 89 93 95 92 94 94 92 93
VSBY 10 10 10 10 10 10 10 7 6 6 6 6 6 6 6 3 6 6 6 10
POP 12HR 5 10 50 80 70
RAIN SHWRS IS SC SC SC NM NM NM O NM NM SC SC
TSTMS IS IS
MIX HGT 2 5 3 <1 <1 <1 <1 <1 2 2 1 <1 1 1 1 1 1 1 1 <1
T WIND DIR W W SW SW SW W NW N E NE NE NE NE NE NE E E E SE SE
T WIND SPD 9 10 9 5 4 3 4 6 12 6 5 11 10 8 6 5 3 3 1 1
DISPERSION VP VP VP VP VP VP VP VP VP
ADI 22 32 34 3 2 2 2 5 26 12 9 5 5 4 3 9 4 5 2 1
MAX LVORI 2 1 1 3 6 7 8 7 4 5 6 7 7 8 8 8 9 9 8 10
STABILITY B D B F G F F C C D D F F F F C C C C F
CEILING None None None 1900 600 700 700 700 600
STA PRES 28.15 28.16 28.17 28.25 28.27 28.30 28.28 28.27 28.22
Date Mon 10/05/26Tue 10/06/26Wed 10/07/26Thu 10/08/26
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 59 77 49 66 44 68 46 75
TEMP 62 59 76 66 54 50 64 57 48 45 65 58 50 48 73 65
DEWPT 62 59 58 55 50 46 48 48 42 40 48 49 45 44 53 54
RH 100100 54 68 86 86 56 72 80 82 54 72 83 86 49 68
WIND SPD <15 <15 <15 <15 <15 <15 <15 <15
AVG CLOUDS OV OV B1 SC FW FW SC FW FW FW FW FW FW FW FW FW
POP 12HR 10 10 0 0 0 0 0 5
$$
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