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EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Blacksburg VA
401 AM EST Sun Nov 16 2025
NCZ006-162100-
RAWS 310801
36.37N 79.29W Elev. 580 ft
401 AM EST Sun Nov 16 2025
Date Sun 11/16/25 Mon 11/17/25 Tue 11/18/25
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 70 36 60 32 63
TEMP 59 68 69 66 55 47 43 39 36 48 57 59 49 40 37 34 33 50 60 62 54
DEWPT 52 47 35 26 22 21 21 19 18 19 18 18 21 21 22 22 22 26 25 29 32
MAX/MIN RH 22 47 19 66 25
RH 78 47 28 22 27 35 41 44 47 31 21 20 33 46 54 61 63 39 26 28 43
WIND DIR W W NW NW NW NW NW W W NW NW NW NW NW N N N S S S S
WIND SPD 9 16 18 14 5 5 4 4 4 6 6 5 2 1 0 0 0 2 4 4 2
WIND GUST 19 28 29 26
CLOUDS FW FW CL FW CL FW FW FW CL CL CL CL CL FW SC SC FW SC B1 B1 B1
CLOUDS(%) 18 12 5 8 5 14 6 8 1 1 3 1 4 11 27 32 22 38 51 51 62
VSBY 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10
POP 12HR 0 0 0 0 5
RAIN S
MIX HGT <1 4 6 5 <1 <1 <1 <1 <1 3 4 4 <1 <1 <1 <1 <1 2 3 2 <1
T WIND DIR SW NW NW NW NW NW NW NW NW NW NW W W NW W SW S SW S S S
T WIND SPD 11 27 26 25 11 9 9 8 9 17 16 16 3 3 2 3 3 6 6 12 5
DISPERSION PR PR VP VP VP VP VP VP VP
ADI 9 78 86 79 5 4 4 4 10 64 78 73 2 2 1 2 3 15 22 26 3
MAX LVORI 4 1 1 1 2 2 2 2 2 1 1 1 2 2 2 3 3 2 2 2 2
STABILITY C D D D F F F F B B B B G G G G A B C D F
CEILING None None None None None None None None None None
STA PRES 28.98 29.05 29.18 29.27 29.38 29.39 29.48 29.53 29.59 29.53
Date Wed 11/19/25Thu 11/20/25Fri 11/21/25Sat 11/22/25
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 46 72 49 73 53 75 56 70
TEMP 49 48 69 62 53 50 71 63 55 54 73 68 62 56 67 60
DEWPT 36 42 48 52 51 50 54 55 54 53 55 56 55 55 52 49
RH 61 80 47 70 93100 55 75 96 96 53 65 78 96 59 67
WIND SPD <15 <15 <15 <15 <15 <15 <15 <15
AVG CLOUDS B1 B2 B1 B1 B1 B1 B1 SC B1 B2 B1 B1 B1 B1 B1 SC
POP 12HR 30 5 10 5 10 10 40 30
RAIN S C C C C
$$
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