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EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Blacksburg VA
401 PM EST Sun Nov 15 2026
VAZ046-160900-
RAWS 441101
37.39N 78.80W Elev. 804 ft
401 PM EST Sun Nov 15 2026
Date 11/15/26 Mon 11/16/26 Tue 11/17/26 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 31 58 30 61 31
TEMP 45 40 37 35 33 46 54 55 46 41 37 35 33 48 57 59 49 43 39 36 34
DEWPT 31 31 32 31 31 35 33 32 33 33 32 31 29 35 34 33 34 33 32 30 30
MIN/MAX RH 93 40 93 37 86
RH 58 70 82 85 92 65 45 41 60 73 82 85 85 60 42 37 56 67 76 79 85
WIND DIR N N N N N N N N SE N NW NW NW W W N S W W W W
WIND SPD 5 4 4 3 3 4 4 3 1 2 1 1 1 2 2 0 1 1 2 2 2
CLOUDS SC FW FW FW FW CL FW CL CL CL CL CL FW CL CL CL CL CL CL CL FW
CLOUDS(%) 46 19 13 10 8 5 6 4 2 1 0 1 6 3 2 1 0 0 0 1 6
VSBY 10 10 10 10 10 10 10 10 10 10 10 10 9 9 10 10 10
POP 12HR 0 0 0 0 0
MIX HGT <1 <1 <1 <1 <1 3 4 3 <1 <1 <1 <1 <1 1 3 <1 <1
T WIND DIR N N N N N N N N E E NE NE NW W NW W S
T WIND SPD 9 9 5 5 3 10 6 6 3 3 3 3 2 4 4 5 5
DISPERSION PR VP VP VP VP VP VP VP VP VP VP VP
ADI 6 4 3 3 4 43 34 29 2 2 2 2 2 8 17 7 3
MAX LVORI 3 3 5 6 6 1 1 2 3 3 5 6 6 3 2 2 3
STABILITY E F F G B B B B G G G G A B B A G
CEILING None None None None None None None None None
STA PRES 29.66 29.71 29.76 29.73 29.79 29.82 29.84 29.79
Date 11/18Thu 11/19/26Fri 11/20/26Sat 11/21/26Sun 11/22/26
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 66 34 68 37 69 39 68 40 69
TEMP 62 53 39 36 65 54 41 39 67 52 44 40 65 55 44 41 66 58
DEWPT 33 36 34 31 35 36 34 31 38 39 37 36 43 43 41 39 46 45
RH 33 52 82 82 33 50 76 73 34 61 76 85 45 64 89 92 48 62
WIND SPD <15 <15 <15 <15 <15 <15 <15 <15 <15
AVG CLOUDS CL CL CL CL CL FW FW FW FW FW FW FW FW FW FW FW FW FW
POP 12HR 0 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