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EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Blacksburg VA
801 PM EDT Sat Oct 3 2026
NCZ001-040800-
RAWS 310142
36.40N 81.46W Elev. 4608 ft
801 PM EDT Sat Oct 3 2026
Date 10/03/26 Sun 10/04/26 Mon 10/05/26 Tue
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 57 60 54 62 45
TEMP 57 57 57 57 58 60 60 59 60 59 57 55 55 60 58 51 49 47 46 46
DEWPT 57 57 57 56 58 60 60 59 60 59 56 49 46 45 45 44 39 34 35 39
MIN/MAX RH 100 98 100 56 79
RH 100100100 96100100100100100100 96 80 72 58 62 77 68 60 65 76
WIND DIR SE S S S SW SW W W NW NW NW NW NW NW NW N N N NE E
WIND SPD 6 5 4 3 2 2 3 3 4 5 8 10 8 6 6 6 6 5 4 5
CLOUDS OV OV OV OV OV OV OV OV OV OV OV B1 SC FW FW FW FW FW FW SC
CLOUDS(%) 100100100100100100100100 99 96 91 58 41 20 13 15 15 13 18 29
VSBY 1 0 0 1 3 4 4 2 5 8 9 10 10 10 10 10 10 10 10
POP 12HR 50 40 5 0 0
DRIZZLE ? ? ?
RAIN C C C C C C S
RAIN SHWRS
Obvis PF PF PF PF
MIX HGT <1 <1 <1 <1 <1 1 1 <1 <1 <1 <1 <1 2 3 3 <1
T WIND DIR E E SE N W W W W NW NW NW NW NW N N NW
T WIND SPD 9 3 2 0 2 4 5 5 5 5 9 12 11 10 8 4
DISPERSION PR PR VP VP VP PR PR PR PR PR VP
ADI 8 3 2 0 3 7 9 5 4 4 8 10 23 37 29 2
MAX LVORI 8 9 9 10 9 8 8 9 9 9 6 4 3 1 2 4
STABILITY D D D D D D D D E E D C B B B F
CEILING 600 500 600 500 500 12300 None None None
STA PRES 26.83 26.79 26.79 26.76 26.76 26.75 26.78 26.76
Date 10/06Wed 10/07/26Thu 10/08/26Fri 10/09/26Sat 10/10/26
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 58 42 64 48 66 48 66 49 63
TEMP 55 51 46 46 62 55 51 49 64 57 51 49 63 57 52 50 61 56
DEWPT 45 48 44 41 50 50 47 44 48 49 46 42 47 48 46 43 49 50
RH 69 89 93 83 65 83 86 83 56 75 83 77 56 72 80 77 65 80
WIND SPD <15 <15 <15 <15 <15 <15 <15 <15 <15
AVG CLOUDS FW FW FW CL CL FW FW FW FW FW FW FW FW SC SC SC SC SC
POP 12HR 0 0 0 0 0 0 5 10 20
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