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EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Blacksburg VA
901 AM EST Sun Nov 15 2026
VAZ046-152100-
RAWS 441101
37.39N 78.80W Elev. 804 ft
901 AM 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 55 32 56 28 62
TEMP 47 54 53 45 39 37 33 32 48 55 55 43 38 34 31 29 52 61 60 45
DEWPT 33 31 30 31 32 32 30 30 36 34 33 33 33 32 30 29 38 37 33 33
MAX/MIN RH 40 92 42 100 37
RH 58 41 41 58 76 82 89 92 63 45 43 67 82 92 96100 59 41 36 62
WIND DIR NW NW N N N N N N N N N N NE NW NW NW NW W N S
WIND SPD 4 4 4 3 3 3 3 3 4 3 2 0 1 1 2 1 2 2 0 1
CLOUDS FW SC B1 SC SC FW CL CL CL FW CL CL CL CL CL CL CL CL CL CL
CLOUDS(%) 20 33 67 42 30 13 5 2 2 9 3 4 1 0 2 5 0 0 0 0
VSBY 10 10 10 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 3 6 5 <1 <1 <1 <1 <1 3 4 3 <1 <1 <1 <1 <1 2 3 1 <1
T WIND DIR N NW N N N N N N N N N NE NE N NE NW NW W N SE
T WIND SPD 9 10 11 9 8 5 6 6 10 8 9 3 3 3 3 3 4 5 5 4
DISPERSION VP VP VP VP VP VP VP VP VP
ADI 31 70 35 4 4 3 3 7 44 39 38 2 2 2 2 3 11 22 9 2
MAX LVORI 1 1 1 3 3 5 6 6 1 1 1 3 5 7 8 9 2 2 2 3
STABILITY B B D F G G G B B B B G G G G A B B A G
CEILING 5000 None None None None None None None None
STA PRES 29.56 29.66 29.71 29.76 29.73 29.79 29.82 29.84 29.78
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 29 66 32 68 36 70 37 68
TEMP 35 30 65 51 37 34 66 53 41 38 68 52 42 38 66 55
DEWPT 31 29 35 34 32 30 33 34 31 29 36 37 36 35 40 40
RH 85 96 33 52 82 85 29 48 67 70 31 56 79 89 38 57
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