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EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Blacksburg VA
831 PM EDT Sat Oct 24 2026
NCZ003-250800-
RAWS 310301
36.48N 80.86W Elev. 1300 ft
831 PM EDT Sat Oct 24 2026
Date 10/24/26 Sun 10/25/26 Mon 10/26/26 Tue
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 65 39 71 42
TEMP 46 44 43 42 54 62 63 54 49 46 43 42 57 67 69 58 48 46 44 44
DEWPT 40 40 40 42 48 45 45 48 45 43 40 39 48 44 45 49 46 44 42 42
MIN/MAX RH 99 51 91 40 95
RH 79 86 89100 80 54 52 80 86 89 89 89 72 43 42 72 93 93 93 93
WIND DIR NE NE NE N E E E NE N NW NW NW W N N N NW NW NW NW
WIND SPD 3 3 3 3 4 4 4 2 3 3 4 3 1 0 0 0 1 1 2 2
CLOUDS CL SC SC SC SC SC CL CL CL FW FW FW FW CL CL CL CL FW FW CL
CLOUDS(%) 4 27 30 43 32 28 3 2 5 8 23 7 9 1 1 2 4 7 7 5
VSBY 10 10 10 10 10 10 10 10 10 10 9 0 10 10 10 10 10 10 10
POP 12HR 0 0 0 0 0
MIX HGT <1 <1 <1 <1 2 4 3 <1 <1 <1 <1 <1 1 3 2 <1 <1 <1 <1 <1
T WIND DIR NE NE E E E E E E NE N NW NW N NW NW N NW NW NW NW
T WIND SPD 3 4 8 6 5 3 3 6 2 3 3 4 3 2 3 2 6 8 8 8
DISPERSION VP VP VP VP VP VP VP VP VP VP VP
ADI 2 2 4 7 16 15 14 3 1 2 2 5 6 8 9 1
MAX LVORI 4 5 5 8 3 2 2 5 5 7 6 5 3 2 2 3
STABILITY G G G B C B B G G G G B A A A G
CEILING None None None None None None None None None
STA PRES 28.56 28.56 28.60 28.52 28.51 28.47 28.44 28.34
Date 10/27Wed 10/28/26Thu 10/29/26Fri 10/30/26Sat 10/31/26
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 73 46 68 47 72 47 76 51 74
TEMP 71 60 50 47 65 58 49 48 70 61 50 48 74 64 54 52 71 63
DEWPT 49 51 48 47 53 53 49 47 56 55 50 47 55 55 51 50 57 57
RH 46 72 93100 65 83100 96 61 81100 96 51 73 90 93 61 81
WIND SPD <15 <15 <15 <15 <15 <15 <15 <15 <15
AVG CLOUDS CL FW FW SC B1 B1 B1 B1 SC FW FW FW FW FW FW FW SC B1
POP 12HR 0 0 0 0 0 0 0 5 5
$$
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