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EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Blacksburg VA
631 PM EST Thu Nov 5 2026
NCZ001-060900-
RAWS 310142
36.40N 81.46W Elev. 4608 ft
631 PM EST Thu Nov 5 2026
Date 11/05/26 Fri 11/06/26 Sat 11/07/26 Sun
UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12
EST 3hrly 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07
MIN/MAX TEMP 50 57 41 49 33
TEMP 57 56 55 54 51 52 56 54 50 48 46 44 41 42 49 47 41 39 38 36 34
DEWPT 57 56 53 51 46 42 41 41 43 44 42 39 36 32 32 31 31 32 31 30 30
MIN/MAX RH 100 58 86 51 85
RH 100100 93 90 83 69 57 61 77 86 86 82 82 67 52 53 67 76 76 79 85
WIND DIR W W W W W NW W NW NW NW NW NW NW NW NW NW NW NW NW NW W
WIND SPD 3 5 9 11 11 8 8 10 12 16 19 21 24 17 13 13 16 16 14 13 13
CLOUDS B2 B1 B1 B1 SC FW FW CL B1 B1 SC FW FW FW CL FW FW FW FW FW FW
CLOUDS(%) 78 56 52 63 45 15 14 5 60 58 49 23 15 8 2 6 10 22 22 20 15
VSBY 9 7 7 7 7 10 10 10 10 10 10 10 9 10 10 10 10
POP 12HR 10 0 0 0 0
RAIN SHWRS
MIX HGT <1 <1 <1 <1 <1 1 3 3 1 1 2 <1 <1 2 2 2 1
T WIND DIR W W NW NW NW W W W NW NW NW NW NW NW NW NW NW
T WIND SPD 1 2 3 3 4 11 19 24 8 11 10 6 5 13 16 19 5
DISPERSION VP PR PR FR FR GD GD GD GD GD GD FR
ADI 1 2 3 3 4 22 71 78 7 13 12 6 6 24 41 42 5
MAX LVORI 10 10 6 6 5 3 1 1 4 4 4 4 4 3 1 1 3
STABILITY F E D D C B B C D D D D D D C D D
CEILING 400 1200 None None None None None None None
STA PRES 26.81 26.80 26.80 26.78 26.82 26.82 26.87 26.88
Date 11/08Mon 11/09/26Tue 11/10/26Wed 11/11/26Thu 11/12/26
UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00
EST 6hrly 13 19 01 07 13 19 01 07 13 19 01 07 13 19 01 07 13 19
MAX/MIN TEMP 55 37 58 40 59 39 56 37 52
TEMP 54 42 40 39 56 48 43 42 57 49 43 41 56 44 41 38 50 44
DEWPT 31 31 30 29 29 30 26 25 29 29 30 31 30 30 30 30 31 31
RH 41 65 67 67 35 49 51 50 34 46 60 67 37 57 65 73 48 60
WIND SPD <15 <15 <15 <15 <15 <15 <15 <15 <15
AVG CLOUDS FW FW FW CL CL CL CL FW FW FW FW FW FW CL FW SC SC FW
POP 12HR 0 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