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EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Blacksburg VA
131 AM EST Sun Nov 8 2026
VAZ046-090900-
RAWS 441101
37.39N 78.80W Elev. 804 ft
131 AM EST Sun Nov 8 2026
Date 11/07/26 Sun 11/08/26 Mon 11/09/26 Tue
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 36 65 39 65 33
TEMP 39 38 54 63 64 53 48 44 41 39 56 63 64 51 45 41 37 36
DEWPT 35 35 41 42 41 42 37 34 33 35 42 39 36 37 36 36 35 35
MIN/MAX RH 89 43 85 36 100
RH 85 89 61 46 43 66 65 68 73 85 59 41 35 59 70 82 92 96
WIND DIR W SW SW SW SW SW W W W W W W W W W W SW SW
WIND SPD 4 4 5 8 8 6 5 5 5 5 9 10 8 4 3 3 3 5
CLOUDS SC FW CL CL CL CL CL CL CL CL CL CL CL CL FW FW CL CL
CLOUDS(%) 39 19 1 1 1 1 2 2 2 2 5 2 2 3 8 7 1 0
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 2 3 2 <1 <1 <1 <1 <1 3 5 4 <1 <1 <1 <1 <1
T WIND DIR W W W W W W W W W W NW NW NW NW NW W W W
T WIND SPD 5 6 8 12 13 10 10 10 10 10 16 17 12 9 8 6 6 9
DISPERSION VP PR PR PR PR VP VP VP VP
ADI 3 7 16 43 40 5 5 5 5 11 52 69 57 4 4 3 3 10
MAX LVORI 5 5 2 1 1 3 3 3 3 4 1 1 1 3 3 5 6 6
STABILITY F B B B B F F F F B C C B F G G G B
CEILING None None None None None None None None None
STA PRES 29.36 29.35 29.25 29.26 29.29 29.33 29.34 29.41 29.41
Date 11/10Wed 11/11/26Thu 11/12/26Fri 11/13/26Sat 11/14/26
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 70 39 70 41 62 36 53 30 55
TEMP 67 57 46 41 68 54 47 42 60 51 42 37 50 42 34 32 52 41
DEWPT 40 41 39 40 47 45 43 41 46 43 40 35 34 31 29 27 29 28
RH 37 55 76 96 47 71 86 96 60 74 93 92 54 65 82 81 41 59
WIND SPD <15 <15 <15 <15 <15 <15 <15 <15 <15
AVG CLOUDS CL CL FW FW FW SC SC SC B1 B1 B1 B1 B1 B1 B1 SC SC SC
POP 12HR 0 0 0 5 50 40 20 10 5
RAIN S C C C S 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