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EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Blacksburg VA
801 PM EDT Fri Oct 23 2026
NCZ003-240800-
RAWS 310302
36.35N 80.48W Elev. 1076 ft
801 PM EDT Fri Oct 23 2026
Date 10/23/26 Sat 10/24/26 Sun 10/25/26 Mon
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 42 62 42 65 40
TEMP 52 49 46 44 54 59 60 54 49 47 45 44 55 62 64 55 47 45 42 41
DEWPT 43 43 44 43 43 43 41 42 42 42 42 42 47 48 46 48 47 45 42 41
MIN/MAX RH 100 48 100 51 100
RH 71 80 93 96 66 55 49 64 77 83 89 93 74 60 52 77100100100100
WIND DIR NE NE NE NE NE NE NE NE NE NE NE NE NE E E NE NE N N N
WIND SPD 6 8 6 6 8 8 6 5 5 6 6 8 8 5 5 4 4 4 4 3
CLOUDS CL FW SC FW FW CL CL CL CL FW FW FW FW FW FW FW CL CL CL CL
CLOUDS(%) 1 14 41 7 16 4 2 2 4 8 6 8 15 7 9 6 3 4 4 5
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 0
MIX HGT <1 <1 <1 <1 3 3 4 <1 <1 <1 <1 <1 2 4 5 <1
T WIND DIR NE NE NE NE E NE NE NE E E E NE NE E E NE
T WIND SPD 5 4 3 9 10 8 6 6 6 10 10 10 10 8 6 8
DISPERSION PR PR PR PR PR PR PR VP VP VP VP
ADI 3 3 2 10 34 34 30 3 3 5 5 11 32 35 37 4
MAX LVORI 3 5 6 6 3 1 1 3 4 5 5 6 3 1 1 5
STABILITY F E E B B B B F F F F B B B B F
CEILING None None None None None None None None None
STA PRES 29.29 29.33 29.39 29.37 29.42 29.42 29.45 29.37
Date 10/26Tue 10/27/26Wed 10/28/26Thu 10/29/26Fri 10/30/26
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 70 41 73 45 67 46 71 47 74
TEMP 67 57 45 42 70 60 49 46 65 57 49 47 69 60 50 48 71 62
DEWPT 44 46 44 41 45 49 47 46 49 51 49 47 52 53 50 47 51 52
RH 43 67 96 96 41 67 93100 56 80100100 55 78100 96 49 70
WIND SPD <15 <15 <15 <15 <15 <15 <15 <15 <15
AVG CLOUDS CL CL FW FW CL FW FW SC B1 B1 B1 B1 SC FW FW SC FW SC
POP 12HR 0 0 0 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