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EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Blacksburg VA
201 PM EST Fri Nov 7 2025
NCZ018-080900-
RAWS 311941
36.22N 81.63W Elev. 3254 ft
201 PM EST Fri Nov 7 2025
Date 11/07/25 Sat 11/08/25 Sun 11/09/25 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 47 62 44 58 24
TEMP 56 50 50 50 49 47 53 60 58 49 48 46 45 45 55 56 48 41 36 32 28 25
DEWPT 45 48 48 49 49 46 47 42 42 43 44 43 43 43 47 45 41 36 32 28 25 20
MIN/MAX RH 100 48 97 67 87
RH 66 93 93 96100 96 80 51 55 80 86 89 93 93 74 66 77 82 85 85 88 81
WIND DIR S S SW W W NW W W W W W W W W W W W NW NW NW NW NW
WIND SPD 8 5 5 5 6 5 4 5 4 1 1 1 2 6 13 17 17 19 17 13 17 18
WIND GUST 16 29 31 27 29 31
CLOUDS B1 B2 B1 B2 B1 B1 SC SC FW SC SC SC SC B1 SC B1 B1 B2 B2 B1 B1 B1
CLOUDS(%) 60 82 62 79 61 55 29 34 14 29 41 40 44 59 50 61 61 72 74 60 55 63
VSBY 10 9 10 5 5 2 10 10 10 10 10 10 10 7 10 10 10 10 9 10 10
POP 12HR 70 5 20 30 40
RAIN C C
RAIN SHWRS NM SC IS IS IS IS SC SC
SNOW C S S
MIX HGT 1 <1 <1 <1 <1 <1 1 3 2 <1 <1 <1 <1 <1 3 4 3 2
T WIND DIR SW SW SW SW W NW W W SW S S W NW NW W W W NW
T WIND SPD 13 11 9 9 10 11 6 11 6 2 2 3 4 5 20 25 25 27
DISPERSION PR PR PR PR VP VP VP VP GD GD FR GD
ADI 22 8 6 6 7 13 11 45 18 1 1 2 2 6 50 70 60 37
MAX LVORI 2 5 6 6 8 5 4 1 2 5 5 6 8 6 3 1 3 4
STABILITY D E E E E D B B B G F G F B D D D D
CEILING 700 1300 None None None None None 700 700
STA PRES 26.67 26.66 26.73 26.70 26.71 26.68 26.70 26.72
Date 11/10Tue 11/11/25Wed 11/12/25Thu 11/13/25Fri 11/14/25
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 30 19 38 27 51 36 51 34 53
TEMP 29 23 22 19 34 30 29 31 50 42 39 36 50 41 37 35 53 44
DEWPT 15 12 12 11 15 16 16 18 31 33 33 31 30 30 29 27 32 35
RH 55 62 65 70 45 55 58 58 48 70 79 82 46 65 72 72 44 70
WIND SPD 15> 15> <15 <15 15> <15 <15 <15 <15
AVG CLOUDS B1 B1 SC SC SC FW FW FW FW FW SC SC SC SC SC SC FW FW
POP 12HR 20 20 0 0 0 5 0 0 5
SNOW S S
$$
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