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EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Blacksburg VA
631 AM EST Tue Nov 3 2026
NCZ003-032100-
RAWS 310302
36.35N 80.48W Elev. 1076 ft
631 AM EST Tue Nov 3 2026
Date Tue 11/03/26 Wed 11/04/26 Thu 11/05/26
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 51 74 61 74
TEMP 44 58 67 69 63 60 55 53 51 61 69 71 65 63 63 62 62 65 70 73 67
DEWPT 43 49 52 55 56 55 52 53 51 58 60 61 61 60 61 62 62 65 67 66 65
MAX/MIN RH 60 100 66 100 79
RH 96 72 59 61 78 84 90100100 90 73 71 87 90 93100100100 90 79 93
WIND DIR N E SE SE SE E E SE E SE S S SE S S S S S S S S
WIND SPD 1 2 4 3 2 3 2 1 1 3 5 4 3 4 6 6 5 5 5 4 2
CLOUDS FW FW FW FW SC FW FW SC B1 B2 OV B2 OV B2 B2 OV B2 B2 B2 B1 B2
CLOUDS(%) 24 18 15 15 29 20 15 39 60 80 92 87 93 83 85 90 86 84 79 64 73
VSBY 9 10 10 10 10 10 10 9 7 7 7 7 7 7 7 7 7 10 10 10 10
POP 12HR 0 5 20 70 40
RAIN C C L L
RAIN SHWRS SC SC IS IS SC
MIX HGT <1 1 3 4 <1 <1 <1 <1 <1 2 3 2 <1 <1 <1 <1 <1 2 2 1 <1
T WIND DIR N SE S S E E E SE SE S S S SE SE S S S SW SW SW S
T WIND SPD 3 3 6 8 4 5 4 3 3 6 11 10 6 5 8 8 6 11 11 8 5
DISPERSION VP VP VP VP VP VP PR PR VP
ADI 3 6 26 35 2 3 2 2 3 14 26 22 3 4 5 5 8 20 22 13 3
MAX LVORI 8 4 2 1 4 5 6 10 9 5 3 3 6 6 7 9 8 5 4 4 6
STABILITY C B B B G G G F C C D D F E E E D D D D F
CEILING None None None None 1200 500 1300 500 400 400
STA PRES 29.25 29.18 29.17 29.11 29.09 29.01 28.98 28.94 28.91 28.87
Date Fri 11/06/26Sat 11/07/26Sun 11/08/26Mon 11/09/26
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 59 74 50 70 46 65 43 61
TEMP 62 60 70 64 55 50 66 60 50 47 62 56 48 44 58 51
DEWPT 61 59 60 57 51 48 49 49 45 43 47 47 43 40 40 39
RH 97 96 71 78 86 93 54 67 83 86 58 72 83 86 51 63
WIND SPD <15 <15 <15 <15 <15 <15 <15 <15
AVG CLOUDS B2 B2 B2 B1 SC FW SC FW FW SC SC B1 SC SC FW FW
POP 12HR 60 60 20 5 5 5 20 20
RAIN S S S S
RAIN SHWRS SC NM NM SC
$$
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