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EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Blacksburg VA
301 PM EST Sat Nov 14 2026
VAZ046-150900-
RAWS 441101
37.39N 78.80W Elev. 804 ft
301 PM EST Sat Nov 14 2026
Date 11/14/26 Sun 11/15/26 Mon 11/16/26 Tue
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 29 56 30 58 28
TEMP 52 42 38 34 31 31 49 56 55 45 40 36 32 30 49 56 57 46 37 34 31 29
DEWPT 25 26 26 26 26 27 34 32 29 31 31 31 30 29 36 34 32 33 33 31 29 29
MIN/MAX RH 85 37 94 38 100
RH 35 53 62 72 81 85 56 40 37 58 70 82 92 96 61 43 38 60 85 89 92100
WIND DIR NW W W W W W NW NW N N NW NW N N N N N N NE NW NW NW
WIND SPD 11 8 5 4 5 5 6 6 6 3 3 3 3 3 4 3 2 0 1 1 1 1
WIND GUST 18
CLOUDS CL CL CL CL CL CL FW SC B1 SC SC SC SC FW FW CL CL CL CL CL CL CL
CLOUDS(%) 1 3 2 1 1 2 7 43 66 35 28 37 29 11 14 5 0 1 0 0 1 4
VSBY 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10
POP 12HR 0 0 0 0 0
MIX HGT 5 <1 <1 <1 <1 <1 3 6 5 <1 <1 <1 <1 <1 4 4 3 <1
T WIND DIR NW NW W W NW NW NW NW N N N N N N N N N E
T WIND SPD 18 12 9 9 8 8 11 9 12 9 8 5 6 5 11 8 8 3
DISPERSION PR PR VP PR VP VP VP VP VP VP VP VP
ADI 79 8 4 4 4 8 41 61 38 4 4 3 3 6 50 38 31 2
MAX LVORI 1 2 3 3 5 4 1 1 1 3 3 5 6 6 1 1 1 3
STABILITY C E F F F B B B D G G G G B B B B G
CEILING None None None 5000 None None None None None
STA PRES 29.43 29.48 29.55 29.56 29.66 29.71 29.76 29.72
Date 11/17Wed 11/18/26Thu 11/19/26Fri 11/20/26Sat 11/21/26
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 62 31 66 32 68 36 69 37 68
TEMP 61 47 36 33 64 51 37 35 67 54 41 38 68 54 42 38 66 55
DEWPT 36 35 32 29 35 34 32 29 33 34 33 31 36 37 35 34 41 40
RH 39 63 85 85 34 52 82 78 28 46 73 76 31 52 76 85 40 57
WIND SPD <15 <15 <15 <15 <15 <15 <15 <15 <15
AVG CLOUDS CL CL CL CL CL CL CL CL FW FW SC 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