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EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Blacksburg VA
431 PM EST Sat Nov 15 2025
NCZ003-160900-
RAWS 310301
36.48N 80.86W Elev. 1300 ft
431 PM EST Sat Nov 15 2025
Date 11/15/25 Sun 11/16/25 Mon 11/17/25 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 54 65 34 57 34
TEMP 61 59 60 58 58 61 62 58 49 44 41 37 35 46 54 55 44 39 37 36 36
DEWPT 52 52 53 53 51 44 30 23 20 20 19 16 16 20 19 21 22 22 21 22 22
MIN/MAX RH 92 25 45 24 58
RH 72 78 78 83 77 53 30 26 31 38 41 42 45 35 25 26 41 50 52 56 56
WIND DIR S SW W W W NW NW NW W NW NW NW NW NW NW NW NW NW NW NW N
WIND SPD 4 5 9 9 8 13 13 12 8 5 4 5 5 6 8 5 2 1 1 1 0
WIND GUST 17 25 25 19 25 26 23 20 17 17 18 17 17
CLOUDS SC FW SC SC B1 FW FW CL FW FW FW FW CL CL FW CL FW FW SC SC B1
CLOUDS(%) 49 21 37 35 60 16 9 4 8 10 7 6 3 3 6 4 9 20 42 44 53
VSBY 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10
POP 12HR 20 5 0 0 5
RAIN SHWRS IS
TSTMS IS
MIX HGT <1 <1 <1 <1 <1 4 5 5 <1 1 1 1 1 3 4 4 <1
T WIND DIR SW W W W W NW NW NW NW NW NW NW NW NW NW NW NW
T WIND SPD 8 10 11 12 13 33 27 27 14 12 11 13 13 21 20 17 6
DISPERSION VP PR PR PR PR PR VP PR VP VP VP VP
ADI 5 5 8 8 17125 84110 7 6 5 6 18 77101 76 3
MAX LVORI 3 4 4 4 3 1 1 1 2 2 2 2 2 1 1 1 2
STABILITY E F E E D C D C F F F F B B B B G
CEILING None None None None None None None None None
STA PRES 27.81 27.70 27.77 27.82 27.93 28.00 28.08 28.11
Date 11/18Wed 11/19/25Thu 11/20/25Fri 11/21/25Sat 11/22/25
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 60 47 71 49 66 51 66 52 66
TEMP 57 52 48 49 68 59 52 50 64 58 53 52 63 60 55 53 64 56
DEWPT 29 36 40 46 53 54 50 48 52 53 52 50 55 55 54 50 51 49
RH 34 54 74 89 59 83 93 93 65 83 96 93 75 84 96 89 63 77
WIND SPD <15 <15 <15 <15 <15 <15 <15 <15 <15
AVG CLOUDS B1 B2 B2 B2 B2 B1 B1 B2 B1 B2 B2 B2 B2 B2 B2 B2 B1 SC
POP 12HR 20 20 5 20 10 20 30 50 30
RAIN S S S S S S
RAIN SHWRS IS SC SC SC SC 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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