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EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Blacksburg VA
204 PM EST Tue Nov 10 2026
VAZ046-110900-
RAWS 441101
37.39N 78.80W Elev. 804 ft
204 PM EST Tue Nov 10 2026
Date 11/10/26 Wed 11/11/26 Thu 11/12/26 Fri
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 43 69 45 66 38
TEMP 69 56 51 47 44 43 61 69 68 56 51 48 45 45 60 65 61 52 46 42 39 39
DEWPT 41 41 43 44 44 43 49 49 47 48 48 46 44 45 51 49 45 43 41 39 36 34
MIN/MAX RH 100 47 99 53 89
RH 36 57 74 89100100 65 49 47 74 89 93 96100 72 56 56 71 83 89 89 82
WIND DIR W W W W W S SE S S S S SW SW SW W W W NW NW NW NW W
WIND SPD 6 4 3 3 2 1 2 5 4 3 4 4 4 5 9 13 13 9 6 6 8 8
WIND GUST 24 21 17 17 18
CLOUDS CL CL CL CL CL FW FW FW SC SC B1 FW SC SC FW SC SC SC SC SC SC SC
CLOUDS(%) 1 2 2 1 5 7 6 25 44 36 63 16 45 40 24 35 49 38 30 28 37 34
VSBY 10 10 10 10 10 10 10 10 10 10 10 10 10 9 10 10 10 10
POP 12HR 0 0 5 20 5
RAIN S S
MIX HGT 3 <1 <1 <1 <1 <1 1 4 4 <1 <1 <1 <1 <1 2 5 3 <1
T WIND DIR W W W W W W SW SW SW S SW SW W W W W W NW
T WIND SPD 13 9 6 5 4 3 6 10 10 8 9 9 9 9 13 16 14 11
DISPERSION VP VP VP VP VP VP VP VP PR PR PR PR
ADI 50 4 3 3 2 3 12 53 45 4 6 4 6 10 38 68 34 8
MAX LVORI 1 3 4 6 9 9 2 1 1 4 5 7 6 8 3 1 1 3
STABILITY B F G G G A B B B G E F E B C C D E
CEILING None None None None None None None None None
STA PRES 29.33 29.31 29.25 29.11 29.02 28.92 28.88 28.91
Date 11/13Sat 11/14/26Sun 11/15/26Mon 11/16/26Tue 11/17/26
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 53 31 51 28 54 28 54 30 54
TEMP 53 42 34 32 50 40 32 29 52 42 32 29 52 43 33 31 53 43
DEWPT 32 31 30 27 27 27 27 26 29 29 29 27 31 32 31 29 33 34
RH 44 65 85 81 41 59 81 88 41 60 88 92 44 65 92 92 46 70
WIND SPD <15 <15 <15 <15 <15 <15 <15 <15 <15
AVG CLOUDS SC B1 SC SC FW FW CL CL FW FW FW FW SC SC SC FW SC FW
POP 12HR 5 0 0 0 0 0 5 5 5
$$
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