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EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Blacksburg VA
1231 PM EST Sun Nov 15 2026
VAZ024-152100-
RAWS 441631
37.63N 79.51W Elev. 865 ft
1231 PM EST Sun Nov 15 2026
Date Sun 11/15/26 Mon 11/16/26 Tue 11/17/26
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 54 30 57 29 62
TEMP 54 53 43 39 36 34 32 46 54 55 45 40 36 33 32 48 58 60 49
DEWPT 32 35 30 31 31 30 29 34 33 32 32 32 31 30 27 34 34 31 31
MAX/MIN RH 43 91 41 91 33
RH 43 50 60 73 82 85 88 63 45 41 60 73 82 89 81 58 40 33 50
WIND DIR NW NW NW W NW NW N N N S S N S N S N SW N N
WIND SPD 5 5 4 3 3 2 2 2 3 2 2 2 1 0 1 0 1 0 0
CLOUDS SC SC SC SC FW FW FW FW FW CL CL CL CL CL FW CL CL CL CL
CLOUDS(%) 29 43 29 26 22 17 15 12 6 4 2 1 2 5 9 4 5 2 1
VSBY 10 10 10 10 10 10 10 9 10 10 10 10 10 10 10 10 10 10 10
POP 12HR 0 0 0 0 0
MIX HGT 5 5 <1 <1 <1 <1 <1 3 4 3 <1 <1 <1 <1 <1 1 3 2 <1
T WIND DIR NW N N NW NW NW N N N N N N NW NW NW NW NW N S
T WIND SPD 12 13 9 6 6 6 5 8 6 5 4 5 5 5 4 5 5 4 4
DISPERSION VP VP VP VP VP VP VP VP VP
ADI 74 79 4 3 3 3 6 29 32 25 2 3 3 3 4 11 21 9 2
MAX LVORI 1 1 3 3 3 4 4 2 1 2 3 4 6 8 9 3 2 2 2
STABILITY B B G G G G A A A A G G G G A A A A G
CEILING None None None None None None None None None
STA PRES 28.70 28.78 28.82 28.87 28.85 28.91 28.93 28.95 28.91
Date Wed 11/18/26Thu 11/19/26Fri 11/20/26Sat 11/21/26
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 30 67 33 71 35 72 38 69
TEMP 38 33 63 52 40 34 69 54 42 36 70 55 44 39 68 54
DEWPT 29 28 31 31 31 29 34 32 31 30 39 38 36 34 42 40
RH 70 82 30 44 70 82 27 43 65 79 32 53 73 82 39 59
WIND SPD <15 <15 <15 <15 <15 <15 <15 <15
AVG CLOUDS CL CL CL CL CL CL FW FW FW FW FW FW FW FW FW FW
POP 12HR 0 0 0 0 0 0 0 0
$$
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