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EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Blacksburg VA
1201 AM EDT Fri Oct 16 2026
NCZ001-170800-
RAWS 310142
36.40N 81.46W Elev. 4608 ft
1201 AM EDT Fri Oct 16 2026
Date 10/15/26 Fri 10/16/26 Sat 10/17/26 Sun
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 59 69 38 43 32
TEMP 61 60 60 65 68 65 57 51 46 44 41 39 40 40 37 36 35 34 32
DEWPT 60 58 58 59 58 57 56 50 44 42 41 38 38 34 31 30 27 25 22
MIN/MAX RH 97 69 100 79 81
RH 97 93 93 81 70 75 96 96 93 93100 96 92 79 79 79 72 69 66
WIND DIR SW W W W W W NW NW NW NW N N N N N N N NE NE
WIND SPD 8 9 12 13 13 13 20 29 31 29 29 21 17 16 17 13 11 10 10
CLOUDS FW FW FW CL FW SC B2 B2 B2 B1 B2 B1 SC CL FW FW CL CL CL
CLOUDS(%) 6 12 7 4 18 28 75 76 74 69 81 60 27 5 9 11 5 4 4
VSBY 10 8 6 10 10 10 8 7 10 8 10 10 10 10 10 10 10 10
POP 12HR 0 30 50 20 5
RAIN SHWRS IS SC IS SC SC IS
MIX HGT <1 <1 <1 2 4 4 1 1 2 2 2 3 4 4 2
T WIND DIR SW W W W W W NW NW NW NW N N N N N
T WIND SPD 4 4 8 21 21 27 27 39 40 32 33 34 29 25 17
DISPERSION PR PR GD GD GD GD GD FR FR FR
ADI 3 3 7 47 61 73 31 44 45 36 62 86 78 67 19
MAX LVORI 6 6 6 3 1 3 4 4 4 4 4 4 3 3 3
STABILITY E E C D D D D D D D D D D D D
CEILING None None None 300 300 None None None
STA PRES 26.73 26.67 26.61 26.66 26.71 26.87 26.94
Date 10/18Mon 10/19/26Tue 10/20/26Wed 10/21/26Thu 10/22/26
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 48 34 55 39 60 43 60 43 59
TEMP 47 39 37 35 54 43 42 40 59 48 47 44 60 49 47 44 59 49
DEWPT 27 29 26 26 37 39 35 33 41 42 39 36 41 43 41 40 46 46
RH 45 67 64 69 52 86 76 76 51 80 74 73 49 80 79 86 62 89
WIND SPD <15 <15 <15 <15 <15 <15 <15 <15 <15
AVG CLOUDS CL FW FW FW FW FW FW FW FW FW FW FW FW FW FW FW CL FW
POP 12HR 5 5 5 0 0 0 0 0 0
$$
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