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EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Blacksburg VA
431 PM EDT Thu Oct 15 2026
NCZ003-160800-
RAWS 310302
36.35N 80.48W Elev. 1076 ft
431 PM EDT Thu Oct 15 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 62 82 50 59 38
TEMP 83 72 67 65 63 62 72 80 80 68 60 55 52 50 53 57 56 48 45 42 40 39
DEWPT 68 68 66 65 63 62 66 67 66 64 53 47 44 44 43 40 37 36 33 32 30 29
MIN/MAX RH 100 60 86 48 70
RH 61 87 97100100100 81 65 62 87 78 74 74 80 69 53 49 63 62 67 67 67
WIND DIR SE E E NE W SW SW SW SW W NW NW N N N N N N N N N N
WIND SPD 3 2 3 1 1 3 5 8 8 9 18 17 13 11 12 11 12 9 8 5 5 5
WIND GUST 24 25 23 23
CLOUDS FW SC SC SC SC SC SC FW SC B1 B1 B1 B1 SC SC FW FW FW FW CL CL CL
CLOUDS(%) 18 30 33 28 31 37 31 6 27 61 67 62 63 41 26 20 18 12 6 3 3 1
VSBY 10 10 10 9 9 2 10 10 10 10 10 10 10 10 10 10 10 10
POP 12HR 5 20 40 10 5
RAIN SHWRS SC SC
MIX HGT 3 <1 <1 <1 <1 <1 1 4 3 1 3 2 1 3 4 5 5 <1
T WIND DIR S SE E E S SW SW SW SW NW NW NW NW N N N N N
T WIND SPD 5 2 2 2 1 3 5 17 18 20 28 27 18 17 26 24 21 9
DISPERSION VP VP VP VP PR GD GD FR PR PR PR PR
ADI 22 1 1 1 1 4 9 78 61 19 39 37 16 52103 98 90 6
MAX LVORI 2 6 8 10 10 9 4 1 1 4 3 3 3 3 1 1 1 3
STABILITY B G G G G B B B B D D D D C C C C E
CEILING None None None None 3900 None None None None
STA PRES 28.98 28.95 28.88 28.77 28.89 29.01 29.18 29.26
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 58 39 63 43 69 46 69 46 69
TEMP 55 47 41 40 60 53 46 45 66 58 50 47 67 59 50 47 66 59
DEWPT 32 34 33 34 44 45 43 42 49 50 46 45 50 50 47 46 52 52
RH 41 60 73 79 55 74 89 89 54 75 86 93 54 72 89 96 61 78
WIND SPD <15 <15 <15 <15 <15 <15 <15 <15 <15
AVG CLOUDS CL CL FW CL CL FW FW FW FW FW FW FW CL FW CL CL CL FW
POP 12HR 5 10 5 5 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