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EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Blacksburg VA
801 PM EST Fri Nov 13 2026
VAZ024-140900-
RAWS 441631
37.63N 79.51W Elev. 865 ft
801 PM EST Fri Nov 13 2026
Date 11/13/26 Sat 11/14/26 Sun 11/15/26 Mon
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 30 52 28 56 26
TEMP 39 36 33 31 42 51 50 41 36 33 30 28 43 54 55 46 37 32 29 27
DEWPT 26 25 25 24 30 27 26 26 27 26 25 26 33 32 30 32 31 29 27 26
MIN/MAX RH 76 39 90 38 96
RH 59 64 72 75 62 39 39 55 69 75 81 92 67 43 38 58 79 88 92 96
WIND DIR NW NW NW W NW NW NW W NW W NW NW NW NW NW NW NW NW NW N
WIND SPD 2 2 2 2 10 10 9 5 3 2 2 2 3 4 5 3 1 1 1 0
WIND GUST 25 23 23 20
CLOUDS B2 B1 SC FW SC FW FW CL FW CL FW FW FW FW FW FW FW FW FW FW
CLOUDS(%) 76 55 31 25 30 25 9 4 6 4 6 8 6 17 13 11 13 11 8 13
VSBY 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10
POP 12HR 5 0 0 0 0
MIX HGT <1 <1 <1 <1 5 6 5 <1 <1 <1 <1 <1 3 5 5 <1
T WIND DIR NW NW W W NW NW NW W W W W W NW NW NW NW
T WIND SPD 8 6 8 6 20 20 18 11 9 8 8 8 12 10 11 9
DISPERSION VP VP VP PR VP VP VP VP VP VP VP
ADI 4 3 4 7 87 90 76 5 4 4 4 8 52 56 61 4
MAX LVORI 3 3 3 4 1 1 1 3 3 4 5 5 1 1 1 3
STABILITY F F G B C C C F G G G B B B B G
CEILING None None None None None None None None
STA PRES 28.33 28.41 28.48 28.56 28.61 28.69 28.70
Date 11/16Tue 11/17/26Wed 11/18/26Thu 11/19/26Fri 11/20/26
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 59 26 63 28 68 30 70 34 71
TEMP 58 47 34 27 61 50 36 29 65 53 38 31 67 55 41 34 68 57
DEWPT 33 31 29 26 34 32 30 27 32 31 29 26 31 31 30 29 35 35
RH 39 53 82 96 36 50 79 92 29 43 70 81 26 40 65 82 29 43
WIND SPD <15 <15 <15 <15 <15 <15 <15 <15 <15
AVG CLOUDS FW CL CL CL FW CL CL CL CL CL CL CL FW FW SC SC SC SC
POP 12HR 0 0 0 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