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EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Blacksburg VA
1231 AM EST Mon Nov 9 2026
VAZ046-100900-
RAWS 441101
37.39N 78.80W Elev. 804 ft
1231 AM EST Mon Nov 9 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 42 66 36 70 38
TEMP 49 47 44 57 64 65 52 45 41 38 38 58 67 68 56 50 46 43 41
DEWPT 34 32 33 43 41 38 37 37 37 36 37 44 42 42 41 40 41 41 41
MIN/MAX RH 75 38 98 38 100
RH 56 56 65 59 43 37 56 73 85 92 96 59 40 39 57 68 83 93100
WIND DIR W W W W W NW NW W SW W SW SW W SW W W W W W
WIND SPD 5 6 6 10 10 8 4 3 2 4 5 8 10 6 4 3 3 3 2
WIND GUST 20
CLOUDS CL CL CL CL CL CL CL CL CL CL CL CL CL CL CL FW CL FW FW
CLOUDS(%) 1 1 1 3 3 1 2 3 4 5 1 1 1 1 3 6 4 7 9
VSBY 10 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 3 5 4 <1 <1 <1 <1 <1 1 3 2 <1
T WIND DIR W W W NW NW NW NW NW W W W W W W W
T WIND SPD 11 10 9 18 19 14 10 8 6 8 10 12 16 9 9
DISPERSION PR PR VP VP VP VP VP VP VP VP
ADI 5 5 10 55 78 65 5 4 3 4 11 23 51 22 4
MAX LVORI 3 3 4 1 1 1 3 3 5 6 5 2 1 2 2
STABILITY F F B C C B F G G F B B C B F
CEILING None None None None None None None None
STA PRES 29.29 29.34 29.34 29.41 29.40 29.36 29.29
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 70 41 63 38 54 30 54 29 58
TEMP 67 58 47 43 62 52 45 40 52 43 36 32 51 44 35 31 55 47
DEWPT 48 47 46 43 50 48 43 38 35 32 31 28 29 29 28 27 31 32
RH 50 67 96100 65 86 93 92 52 65 82 85 42 55 75 85 40 56
WIND SPD <15 <15 <15 <15 15> <15 <15 <15 <15
AVG CLOUDS FW FW SC SC B1 B1 B2 B1 B1 B1 B1 B1 SC SC FW FW FW FW
POP 12HR 0 0 40 30 30 10 0 0 0
RAIN S C C C C 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