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EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Blacksburg VA
631 AM EDT Sat Oct 24 2026
VAZ024-242000-
RAWS 441631
37.63N 79.51W Elev. 865 ft
631 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 39 61 35 74
TEMP 41 54 61 61 50 45 42 39 39 54 61 61 55 45 41 38 36 54 70 72 59
DEWPT 38 41 39 39 38 38 37 37 37 42 43 43 42 40 41 38 36 47 43 40 43
MAX/MIN RH 42 92 51 100 31
RH 89 61 44 44 63 76 82 92 92 64 51 51 61 82100100100 77 38 31 55
WIND DIR N E E E E N N N N N E E N N N N N N NW N N
WIND SPD 1 1 3 3 1 0 0 1 1 0 2 2 0 0 0 0 0 0 1 0 0
CLOUDS FW CL FW CL CL FW FW SC SC FW FW FW FW CL FW FW FW CL CL CL CL
CLOUDS(%) 8 3 9 1 4 6 11 28 33 25 17 17 13 3 7 11 12 1 1 2 2
VSBY 9 10 10 10 9 10 9 9 6 6 10 10 10 10 8 0
POP 12HR 0 0 0 0 0
MIX HGT <1 3 4 4 <1 <1 <1 <1 <1 2 4 3 <1 <1 <1 <1 <1 2 3 2 <1
T WIND DIR NE E E E E E NE NE NE E SE E E NE N NW NW NW N NW S
T WIND SPD 4 6 5 8 6 5 4 4 4 5 5 4 4 3 4 4 4 5 4 4 4
DISPERSION VP VP VP VP VP VP VP VP VP
ADI 4 26 29 38 3 3 2 2 4 17 26 19 2 2 2 2 4 11 17 14 2
MAX LVORI 6 2 2 1 3 4 5 6 6 3 2 2 3 5 9 9 9 4 2 2 2
STABILITY A A B B G 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 None
STA PRES 28.90 28.88 28.93 28.95 28.96 28.88 28.86 28.82 28.78 28.69
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 39 74 42 67 42 74 44 76
TEMP 45 41 72 61 47 43 64 58 47 43 71 61 49 45 73 64
DEWPT 42 40 49 49 46 43 48 48 47 43 50 50 48 44 50 49
RH 89 96 44 65 96100 56 69100100 47 67 96 96 44 58
WIND SPD <15 <15 <15 <15 <15 <15 <15 <15
AVG CLOUDS CL FW CL FW FW SC B2 B2 B1 B1 SC FW FW FW FW 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