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EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Blacksburg VA
301 PM EST Sun Nov 16 2025
NCZ001-170900-
RAWS 310142
36.40N 81.46W Elev. 4608 ft
301 PM EST Sun Nov 16 2025
Date 11/16/25 Mon 11/17/25 Tue 11/18/25 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 30 44 34 52 44
TEMP 43 38 35 33 31 30 34 41 41 36 35 36 36 37 42 50 49 45 45 48 50 49
DEWPT 24 21 19 16 13 11 8 11 12 15 14 14 14 15 19 24 29 32 37 42 44 47
MIN/MAX RH 51 28 42 36 94
RH 47 50 52 49 47 44 33 29 30 42 41 40 40 40 39 36 46 60 73 80 80 93
WIND DIR NW NW NW NW NW NW NW NW NW NW W W W SW S S S S W W W W
WIND SPD 21 26 28 26 26 24 18 13 10 10 9 6 5 5 6 8 6 9 10 14 16 14
WIND GUST 35 32 25
CLOUDS CL CL CL CL CL CL FW FW FW FW FW FW SC SC B1 B1 B2 B2 B2 B1 B2 B2
CLOUDS(%) 3 2 2 2 3 5 8 13 13 18 23 21 28 46 56 69 76 72 75 69 74 85
VSBY 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 9
POP 12HR 0 0 0 30 60
RAIN SHWRS IS SC NM SC SC IS
MIX HGT 3 <1 <1 <1 <1 <1 1 2 1 <1 <1 <1 <1 <1 <1 1 <1 <1
T WIND DIR NW NW NW NW NW NW NW NW NW NW NW NW NW W S SW SW S
T WIND SPD 35 14 14 14 16 21 29 21 19 11 9 6 4 3 5 10 5 8
DISPERSION GD GD GD GD FR PR PR PR PR FR GD GD
ADI 80 13 13 13 14 24 40 47 37 8 6 3 2 4 6 17 6 7
MAX LVORI 1 2 2 2 2 2 1 1 1 2 2 2 2 2 2 2 2 3
STABILITY D D D D D D D C C E E F F B D D D D
CEILING None None None None None None 2000 2400 400
STA PRES 26.49 26.53 26.61 26.66 26.71 26.75 26.77 26.72
Date 11/19Thu 11/20/25Fri 11/21/25Sat 11/22/25Sun 11/23/25
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 55 49 58 50 58 50 54 43 50
TEMP 53 51 52 51 57 51 52 52 57 53 54 51 53 48 46 44 49 43
DEWPT 51 50 50 49 51 49 49 49 49 49 49 47 45 45 42 40 41 40
RH 93 96 93 93 80 93 89 89 75 86 83 86 74 89 86 86 74 89
WIND SPD <15 <15 <15 <15 <15 15> <15 <15 <15
AVG CLOUDS B2 B2 B2 B2 B2 B1 B2 B2 B2 B2 B2 B2 B1 B1 B1 B1 B1 SC
POP 12HR 20 20 10 30 30 50 30 30 20
RAIN SHWRS IS IS IS SC SC IS SC SC SC SC SC SC SC IS IS
TSTMS IS IS
$$
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
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