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EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Blacksburg VA
253 PM EST Sun Nov 8 2026
NCZ001-090900-
RAWS 310142
36.40N 81.46W Elev. 4608 ft
253 PM EST Sun Nov 8 2026
Date 11/08/26 Mon 11/09/26 Tue 11/10/26 Wed
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 38 54 38 60 41
TEMP 53 44 43 43 41 39 45 54 52 45 44 43 41 39 52 59 56 47 46 45 43 41
DEWPT 29 28 29 30 31 32 34 33 35 33 34 31 29 29 31 30 32 31 33 33 34 35
MIN/MAX RH 76 45 67 33 79
RH 39 53 57 60 67 76 65 45 52 62 68 62 62 67 44 33 40 53 60 62 70 79
WIND DIR W W W W W NW NW NW NW NW W W W W W W W W W W W W
WIND SPD 10 14 19 27 26 24 19 16 12 12 12 11 10 10 6 8 8 10 12 13 13 10
CLOUDS CL CL CL CL CL CL CL CL CL CL CL CL CL CL CL FW FW SC FW FW FW SC
CLOUDS(%) 1 2 2 2 2 4 3 3 2 2 4 3 3 3 2 9 10 30 24 20 25 33
VSBY 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10
POP 12HR 0 0 0 0 0
MIX HGT 1 <1 <1 <1 <1 <1 2 2 2 <1 <1 <1 <1 <1 1 2 2 <1
T WIND DIR W W W NW NW NW NW NW NW NW NW NW W W W W W W
T WIND SPD 14 16 19 27 26 24 23 21 19 16 13 11 11 11 11 13 10 10
DISPERSION GD GD GD GD FR FR FR FR FR FR FR FR
ADI 29 14 18 25 24 27 40 42 41 14 12 8 8 9 16 35 22 7
MAX LVORI 2 2 2 2 3 3 1 1 1 2 3 3 3 3 2 1 2 2
STABILITY C D D D D D D D C D D E E C B B B E
CEILING None None None None None None None None None
STA PRES 26.91 26.91 26.95 26.96 27.0 26.97 26.96 26.92
Date 11/11Thu 11/12/26Fri 11/13/26Sat 11/14/26Sun 11/15/26
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 60 43 50 30 35 26 35 26 44
TEMP 59 47 45 45 48 44 39 34 32 31 30 27 33 31 30 28 42 37
DEWPT 36 37 37 41 43 37 32 29 26 23 22 22 23 22 21 21 25 26
RH 42 68 73 86 83 76 76 82 78 72 72 81 66 69 69 75 50 64
WIND SPD <15 <15 <15 15> 15> 15> 15> 15> <15
AVG CLOUDS FW FW SC B1 B2 B2 B2 B2 B1 B1 B1 B1 B1 SC SC SC SC FW
POP 12HR 0 30 60 60 30 30 10 5 0
RAIN C L L C L
SNOW C L C S C C
$$
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