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EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Blacksburg VA
831 PM EDT Sat Oct 24 2026
VAZ024-250800-
RAWS 441631
37.63N 79.51W Elev. 865 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 39 66 35 71 40
TEMP 45 42 40 40 54 62 64 53 47 43 40 38 56 66 69 59 48 45 42 41
DEWPT 39 39 38 38 43 44 44 45 44 41 37 36 47 42 40 45 44 43 42 41
MIN/MAX RH 96 47 95 34 100
RH 79 89 92 92 66 52 48 74 89 93 89 92 72 42 35 60 86 93100100
WIND DIR E NE N N E SE SE S N N NW N N N N N N NW NW N
WIND SPD 2 3 2 2 3 3 3 1 1 1 1 0 0 0 0 0 0 1 1 1
CLOUDS CL FW FW FW FW FW CL CL CL FW FW FW FW CL CL CL CL FW CL CL
CLOUDS(%) 4 9 14 16 21 6 2 4 4 11 25 24 17 1 0 2 4 7 4 2
VSBY 10 10 10 8 10 10 10 10 10 5 5 0 4 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 NE NE SE SE E E NE N NW NW NW W W SW NW NW NW NW
T WIND SPD 3 2 2 2 4 2 3 2 1 3 3 3 3 3 3 1 4 5 6 5
DISPERSION VP VP VP VP VP VP VP VP VP VP VP
ADI 2 1 1 2 12 10 14 1 1 2 2 3 5 12 11 1
MAX LVORI 4 5 5 6 3 2 2 4 6 7 7 6 3 2 2 3
STABILITY G G G A A B B G G G G A A A A G
CEILING None None None None None None None None None
STA PRES 28.98 28.99 29.03 28.93 28.92 28.87 28.84 28.74
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 75 45 68 44 74 45 78 48 75
TEMP 73 61 48 45 65 58 48 45 71 61 49 46 75 64 52 48 74 65
DEWPT 50 51 48 45 51 51 48 45 53 52 49 45 52 52 51 48 55 54
RH 44 70100100 60 77100100 53 72100 96 45 65 96100 51 68
WIND SPD <15 <15 <15 <15 <15 <15 <15 <15 <15
AVG CLOUDS CL FW FW SC B1 B2 B1 SC SC FW FW FW FW FW FW SC SC SC
POP 12HR 0 0 0 0 0 0 0 0 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