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EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Blacksburg VA
431 AM EST Fri Nov 6 2026
NCZ005-062100-
RAWS 310540
36.38N 79.70W Elev. 858 ft
431 AM EST Fri Nov 6 2026
Date Fri 11/06/26 Sat 11/07/26 Sun 11/08/26
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 70 44 63 36 66
TEMP 63 67 69 68 59 54 50 48 45 52 60 61 50 44 41 39 37 52 63 65 55
DEWPT 63 59 57 55 53 50 48 44 40 41 41 40 39 38 37 36 37 42 42 43 42
MAX/MIN RH 62 93 45 99 42
RH 100 75 66 63 80 86 93 86 82 66 49 46 66 79 85 89100 69 46 45 61
WIND DIR NW N N NW NW NW NW NW NW NW NW NW NW NW NW NW W W W W W
WIND SPD 3 4 3 2 3 5 6 8 5 8 6 8 5 3 2 2 2 3 5 5 4
CLOUDS B2 B2 OV FW SC B2 SC CL CL CL CL CL CL FW FW FW FW CL CL CL CL
CLOUDS(%) 84 86 89 10 29 79 32 5 5 4 5 4 5 8 11 15 12 3 2 1 0
VSBY 7 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10
POP 12HR 60 5 0 0 0
RAIN SHWRS SC NM SC
MIX HGT <1 1 2 2 <1 <1 <1 <1 <1 3 4 4 <1 <1 <1 <1 <1 2 3 2 <1
T WIND DIR NW N N NW W N N N N NW NW NW N NW NW NW W W W W W
T WIND SPD 8 8 5 5 5 10 11 11 9 14 12 13 10 6 6 5 4 6 8 10 8
DISPERSION VP PR PR PR PR VP VP VP VP
ADI 6 12 12 15 3 7 5 8 10 52 56 69 5 3 3 3 5 16 27 32 4
MAX LVORI 8 4 3 2 5 5 6 5 4 1 1 1 3 5 5 6 9 3 2 1 3
STABILITY C D B B G E F E B B B B F G G G B B B B F
CEILING 4100 None 5700 None None None None None None None
STA PRES 29.12 29.08 29.14 29.19 29.23 29.22 29.30 29.32 29.32 29.25
Date Mon 11/09/26Tue 11/10/26Wed 11/11/26Thu 11/12/26
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 40 69 39 71 43 69 41 64
TEMP 44 41 66 56 44 40 69 58 47 43 67 53 45 42 62 54
DEWPT 36 34 40 40 38 35 40 42 40 39 43 42 41 39 43 43
RH 73 76 38 55 79 82 35 55 76 86 42 66 86 89 50 66
WIND SPD <15 <15 <15 <15 <15 <15 <15 <15
AVG CLOUDS CL CL CL CL CL CL FW FW SC SC FW FW FW FW SC SC
POP 12HR 0 0 0 0 0 0 0 20
RAIN S
$$
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