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EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Blacksburg VA
1231 PM EDT Thu Oct 8 2026
NCZ006-082000-
RAWS 310801
36.37N 79.29W Elev. 580 ft
1231 PM EDT Thu Oct 8 2026
Date Thu 10/08/26 Fri 10/09/26 Sat 10/10/26
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 82 53 75 54 71
TEMP 81 81 68 62 58 55 54 67 75 74 63 59 57 55 55 66 71 70 64
DEWPT 58 57 57 50 47 47 48 54 52 54 53 52 51 51 51 56 56 59 58
MAX/MIN RH 43 79 46 88 60
RH 46 44 68 65 67 74 80 63 45 50 70 78 80 86 86 70 59 68 81
WIND DIR NW NW N N N N N NE NE NE N N N N NE E E E E
WIND SPD 3 4 3 2 1 1 1 2 2 1 0 0 0 0 2 4 6 6 6
WIND GUST 17
CLOUDS CL FW B1 B1 B1 B2 B2 OV B2 OV B2 OV B2 B2 B2 B2 OV OV OV
CLOUDS(%) 3 16 66 62 67 71 80 93 87 94 81 88 72 79 84 87 88 92 92
VSBY 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10
POP 12HR 0 0 0 0 10
RAIN C
MIX HGT 5 6 <1 <1 <1 <1 <1 2 4 3 <1 <1 <1 <1 <1 2 3 3 <1
T WIND DIR NW NW N N N N NW NE N N E E E NE NE E E E E
T WIND SPD 18 17 13 9 5 3 3 10 8 4 3 3 3 3 4 14 12 12 4
DISPERSION VP VP VP VP VP VP VP VP PR
ADI 111114 6 4 3 2 3 27 37 19 2 2 2 2 5 37 43 40 3
MAX LVORI 1 1 3 3 3 3 4 2 1 2 3 4 5 5 5 3 1 1 5
STABILITY B B F F F F A B B A F F F F B C C C E
CEILING None 35000 30700 27300 27300 24200 21300 15300 9800
STA PRES 29.42 29.45 29.52 29.60 29.59 29.67 29.74 29.80 29.76
Date Sun 10/11/26Mon 10/12/26Tue 10/13/26Wed 10/14/26
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 70 61 77 58 79 54 70
TEMP 61 64 69 69 66 63 75 69 62 59 78 69 60 54 68 61
DEWPT 60 63 69 68 66 63 68 66 62 59 66 62 55 50 53 51
RH 97 97100 97100100 79 90100100 67 78 84 86 59 70
WIND SPD <15 <15 <15 <15 <15 <15 <15 <15
AVG CLOUDS OV OV OV OV B2 SC SC SC FW FW FW FW FW FW FW CL
POP 12HR 80 100 50 10 0 0 5 5
RAIN C D D D
RAIN SHWRS SC 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