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EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Blacksburg VA
401 AM EST Thu Nov 5 2026
VAZ024-052100-
RAWS 441631
37.63N 79.51W Elev. 865 ft
401 AM EST Thu Nov 5 2026
Date Thu 11/05/26 Fri 11/06/26 Sat 11/07/26
UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00
EST 3hrly 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19
MAX/MIN TEMP 75 55 72 41 62
TEMP 63 70 74 74 67 62 60 58 55 59 69 70 58 52 48 43 41 47 60 61 52
DEWPT 61 64 66 66 64 62 60 57 53 54 51 49 48 47 44 42 39 41 39 35 35
MAX/MIN RH 74 100 47 95 38
RH 93 81 76 76 90100100 96 93 83 53 47 69 83 86 96 92 79 46 38 52
WIND DIR SE S S SW S W W W W NW W W NW NW NW NW NW NW NW NW NW
WIND SPD 2 4 5 4 1 1 1 1 1 2 3 3 3 2 2 3 3 6 6 8 4
WIND GUST 18 18 20 17
CLOUDS B2 B1 B2 B1 OV B2 B2 B2 B2 SC FW FW FW FW CL CL CL CL CL CL CL
CLOUDS(%) 74 66 74 63100 83 73 70 81 27 20 13 23 15 4 3 3 3 3 1 3
VSBY 6 8 9 8 9 8 4 4 2 10 10 10 10 10 10 10 10 10 10 10 10
POP 12HR 30 20 10 0 0
RAIN SHWRS IS IS SC IS IS
MIX HGT <1 2 2 1 <1 <1 <1 <1 <1 2 4 4 <1 <1 <1 <1 <1 3 4 4 <1
T WIND DIR SW SW SW SW SW SW W W W W W NW NW NW NW NW NW NW NW NW NW
T WIND SPD 8 13 12 10 6 6 5 6 6 10 10 11 10 11 9 9 9 13 13 13 9
DISPERSION VP VP VP VP VP VP VP VP VP
ADI 6 25 26 16 6 3 3 3 5 28 47 60 5 5 4 4 10 55 65 64 4
MAX LVORI 5 3 3 4 6 8 9 8 7 4 1 1 3 5 5 7 5 3 1 1 2
STABILITY C D D D D F F F C B B B G G G G B B B B F
CEILING 900 1600 3200 4000 None None None None None None
STA PRES 28.39 28.35 28.36 28.34 28.33 28.31 28.39 28.40 28.44 28.46
Date Sun 11/08/26Mon 11/09/26Tue 11/10/26Wed 11/11/26
UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00
EST 6hrly 01 07 13 19 01 07 13 19 01 07 13 19 01 07 13 19
MIN/MAX TEMP 33 65 33 67 34 71 36 68
TEMP 40 34 62 51 40 35 64 55 40 35 67 57 43 37 65 52
DEWPT 36 34 38 34 34 32 35 32 33 32 37 35 36 35 38 36
RH 85100 41 52 79 89 34 41 76 89 33 43 76 92 37 54
WIND SPD <15 <15 <15 <15 <15 <15 <15 <15
AVG CLOUDS FW FW FW FW FW FW FW FW FW FW FW FW FW FW SC 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