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EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Blacksburg VA
1231 PM EST Tue Nov 10 2026
VAZ018-102100-
RAWS 444002
37.56N 80.18W Elev. 2702 ft
1231 PM EST Tue Nov 10 2026
Date Tue 11/10/26 Wed 11/11/26 Thu 11/12/26
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 68 44 68 48 58
TEMP 65 66 53 50 48 45 44 59 67 67 54 50 48 48 48 54 56 52 45
DEWPT 37 44 43 43 42 42 41 47 46 44 43 41 39 42 45 49 48 43 39
MAX/MIN RH 35 89 43 93 72
RH 35 45 69 77 80 89 89 64 47 43 66 71 71 80 89 83 74 71 79
WIND DIR W W W W W W W SW SW SW SW W W W W W W NW NW
WIND SPD 6 5 4 4 3 3 2 1 3 2 2 4 4 4 5 9 10 11 11
WIND GUST 20 18 16 16 17 20 28 27 29 32
CLOUDS CL CL CL CL CL FW FW FW FW SC B1 FW SC B1 B2 B2 B2 B2 B1
CLOUDS(%) 2 3 2 2 3 15 19 16 19 32 52 19 41 51 71 71 74 76 57
VSBY 10 10 10 10 10 9 9 10 10 10 10 10 10 8 5
POP 12HR 0 0 0 30 60
RAIN S L L C C
MIX HGT 3 3 <1 <1 <1 <1 <1 2 4 3 <1 <1 <1 <1 <1 3 3 3 2
T WIND DIR W W W W NW NW W W W W W W W W W W NW NW NW
T WIND SPD 19 16 9 10 10 9 8 6 11 8 9 10 10 9 6 16 18 17 16
DISPERSION VP VP VP VP VP VP VP VP FR
ADI 71 58 4 5 5 4 8 17 57 27 4 5 7 4 8 36 47 42 18
MAX LVORI 1 1 3 3 4 4 4 3 1 2 3 3 3 3 4 3 1 1 3
STABILITY B B F F G G B A B B F F E F D D D D D
CEILING None None None None None None 4300 1800 2600
STA PRES 27.83 27.84 27.82 27.77 27.63 27.55 27.42 27.38 27.39
Date Fri 11/13/26Sat 11/14/26Sun 11/15/26Mon 11/16/26
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 38 46 33 44 29 50 29 52
TEMP 41 38 45 37 35 34 43 36 33 30 49 36 32 30 51 39
DEWPT 34 30 33 29 25 24 29 25 24 23 30 27 24 23 31 29
RH 76 73 62 72 66 66 57 64 69 75 48 69 72 75 46 67
WIND SPD <15 <15 <15 <15 <15 <15 <15 <15
AVG CLOUDS B1 B1 B1 B1 B1 B1 SC SC FW FW FW FW FW SC SC SC
POP 12HR 5 5 0 0 0 0 0 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