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EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Blacksburg VA
531 PM EST Mon Nov 2 2026
NCZ001-030900-
RAWS 310142
36.40N 81.46W Elev. 4608 ft
531 PM EST Mon Nov 2 2026
Date 11/02/26 Tue 11/03/26 Wed 11/04/26 Thu
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 45 61 52 60 57
TEMP 50 47 45 47 48 53 60 58 53 54 55 55 54 54 57 58 59 59 59 59 58
DEWPT 45 43 42 42 43 46 47 48 49 51 52 53 51 52 55 55 54 54 55 55 56
MIN/MAX RH 90 62 97 84 95
RH 83 86 89 83 83 77 62 69 86 90 90 93 90 93 93 90 83 83 87 87 93
WIND DIR S S S S S S S S S SE SE S SE S S S S S S S S
WIND SPD 5 8 8 8 6 10 10 10 11 14 18 19 19 16 13 11 17 19 18 13 9
CLOUDS CL FW FW FW FW FW FW FW B1 B2 B2 SC B1 B2 B2 OV OV OV OV OV B2
CLOUDS(%) 2 7 8 21 24 6 11 22 68 75 78 50 52 76 87 90 93 93 92 92 86
VSBY 10 10 10 10 10 10 10 10 10 10 7 7 2 7 7 7 7 7 7 2 2
POP 12HR 0 0 10 70 90
RAIN SHWRS IS IS NM NM O O O O SC
TSTMS IS IS
MIX HGT <1 <1 <1 <1 <1 1 2 2 <1 <1 <1 <1 <1 1 2 2 1
T WIND DIR SE SE SE S S S S S SE SE S S S SE S S S
T WIND SPD 5 4 3 3 4 10 10 8 3 5 8 8 10 13 17 6 3
DISPERSION PR PR PR PR FR GD GD GD GD GD GD FR
ADI 3 3 2 2 5 17 25 17 3 5 7 7 11 22 32 12 3
MAX LVORI 4 5 6 6 5 3 2 3 6 6 5 6 7 5 4 7 8
STABILITY F E E E B C C C D D D D D D D D D
CEILING None None None None 5300 None 500 500 500
STA PRES 26.96 26.92 26.92 26.89 26.87 26.81 26.77 26.74
Date 11/05Fri 11/06/26Sat 11/07/26Sun 11/08/26Mon 11/09/26
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 63 50 59 44 54 38 54 38 50
TEMP 62 56 53 51 57 53 48 46 51 47 42 40 51 47 43 39 47 44
DEWPT 56 51 50 49 48 46 44 43 41 40 37 36 37 39 36 35 33 35
RH 81 83 89 93 72 77 86 89 68 76 82 85 59 74 76 85 58 70
WIND SPD <15 <15 <15 <15 <15 <15 <15 <15 <15
AVG CLOUDS B2 B1 B1 B1 B1 SC SC SC SC SC SC SC SC SC B1 B1 SC SC
POP 12HR 50 30 40 5 5 5 10 30 20
RAIN SHWRS SC IS SC SC IS SC IS IS
$$
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