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EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Blacksburg VA
1031 AM EDT Fri Oct 23 2026
VAZ018-232000-
RAWS 444002
37.56N 80.18W Elev. 2702 ft
1031 AM EDT Fri Oct 23 2026
Date Fri 10/23/26 Sat 10/24/26 Sun 10/25/26
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 64 39 60 39 62
TEMP 54 61 61 48 43 41 39 40 50 56 57 47 43 43 41 40 52 60 61 52
DEWPT 41 40 40 40 39 38 39 39 41 40 38 36 37 33 32 32 43 43 41 38
MAX/MIN RH 45 98 45 82 47
RH 61 46 46 74 86 89100 96 71 55 49 65 79 67 70 73 71 53 48 59
WIND DIR E E E E E NE N NE E E E SE E N N N E SE SE N
WIND SPD 5 5 5 2 1 1 0 1 2 3 3 1 1 0 0 0 2 3 2 0
CLOUDS CL CL FW FW FW FW SC SC SC FW CL CL CL FW FW FW FW CL CL CL
CLOUDS(%) 0 0 8 6 20 22 27 43 35 18 5 1 3 6 15 11 11 5 2 0
VSBY 10 10 10 10 10 9 10 8 9 10 10 10 10 10 10 10 10 10 10 10
POP 12HR 0 0 0 0 0
MIX HGT 2 4 4 <1 <1 <1 <1 <1 2 3 3 <1 <1 <1 <1 <1 2 3 3 <1
T WIND DIR NE NE E E E E E E E E E SE SE E SE E SE SE E S
T WIND SPD 9 6 6 8 8 6 5 5 6 5 5 6 6 5 4 4 6 5 6 4
DISPERSION VP VP VP VP VP VP VP VP VP
ADI 25 31 30 4 4 3 3 6 21 21 21 3 3 3 2 4 20 22 24 2
MAX LVORI 2 1 1 4 5 6 9 7 3 2 2 3 4 3 3 3 3 2 2 3
STABILITY B B B G G G G A B B B G G G G A B B B G
CEILING None None None None None None None None None
STA PRES 28.07 28.15 28.20 28.23 28.20 28.25 28.26 28.27 28.21
Date Mon 10/26/26Tue 10/27/26Wed 10/28/26Thu 10/29/26
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 39 70 44 70 47 64 45 67
TEMP 44 40 67 56 47 45 68 57 50 47 62 54 49 46 66 57
DEWPT 35 31 39 37 36 34 46 44 41 39 46 43 41 39 48 46
RH 70 70 36 49 65 65 45 62 71 74 56 66 74 76 52 67
WIND SPD <15 <15 <15 <15 <15 <15 <15 <15
AVG CLOUDS CL CL CL CL CL FW FW FW SC B1 B1 B1 SC SC SC SC
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