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EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Blacksburg VA
931 AM EDT Sat Oct 24 2026
NCZ003-242000-
RAWS 310302
36.35N 80.48W Elev. 1076 ft
931 AM EDT Sat Oct 24 2026
Date Sat 10/24/26 Sun 10/25/26 Mon 10/26/26
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 62 44 61 39 70
TEMP 55 61 62 54 50 46 44 44 54 59 61 52 47 45 42 41 58 67 69 56
DEWPT 44 42 42 43 43 42 42 42 45 45 44 45 44 44 42 40 47 44 43 45
MAX/MIN RH 47 94 54 100 37
RH 66 49 48 66 77 86 93 93 71 60 53 77 89 96100 96 67 43 39 66
WIND DIR NE NE NE NE NE NE NE NE NE NE E NE NE N N N N N N N
WIND SPD 9 8 8 5 5 6 6 6 6 5 4 3 4 4 3 3 1 0 0 0
CLOUDS FW CL CL CL FW FW SC SC SC FW FW FW FW FW FW CL CL CL CL CL
CLOUDS(%) 18 4 1 5 10 14 36 33 30 16 12 12 6 15 10 1 1 1 1 5
VSBY 10 10 10 10 10 10 10 10 10 10 10 10 10 10 2 0 3 10 10 10
POP 12HR 0 0 0 0 0
MIX HGT 3 4 4 <1 <1 <1 <1 <1 2 4 4 <1 <1 <1 <1 <1 2 3 2 <1
T WIND DIR E E E E NE NE NE NE E E E NE NE NE N N N N NE NE
T WIND SPD 11 10 11 8 8 8 8 9 11 9 8 8 6 5 4 4 4 4 5 3
DISPERSION PR PR PR PR VP VP VP VP VP
ADI 37 50 55 4 4 4 4 10 33 40 37 4 3 3 2 5 12 17 17 2
MAX LVORI 3 1 1 3 4 6 6 6 3 1 1 4 6 8 9 9 3 2 2 3
STABILITY B B B F F F F B B B B G F F G B A A A G
CEILING None None None None None None None None None
STA PRES 29.27 29.32 29.34 29.35 29.28 29.27 29.24 29.20 29.10
Date Tue 10/27/26Wed 10/28/26Thu 10/29/26Fri 10/30/26
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 41 72 44 66 45 71 46 75
TEMP 46 43 69 59 48 45 64 57 49 46 68 60 50 47 72 62
DEWPT 42 40 45 48 46 45 48 49 47 46 51 51 48 45 49 50
RH 86 89 42 67 93100 56 75 93100 54 72 93 93 44 65
WIND SPD <15 <15 <15 <15 <15 <15 <15 <15
AVG CLOUDS FW FW CL FW FW SC SC B1 B1 B1 SC FW FW FW FW FW
POP 12HR 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