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EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Blacksburg VA
701 PM EST Mon Nov 3 2025
NCZ001-040900-
RAWS 310142
36.40N 81.46W Elev. 4608 ft
701 PM EST Mon Nov 3 2025
Date 11/03/25 Tue 11/04/25 Wed 11/05/25 Thu
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 33 55 41 59 41
TEMP 38 36 34 33 42 53 52 42 42 42 42 45 52 58 56 49 49 48 44 42
DEWPT 32 30 30 22 16 19 22 29 30 31 31 29 35 36 33 35 41 41 41 38
MIN/MAX RH 84 25 66 42 90
RH 79 79 85 63 34 26 31 60 62 65 65 53 52 44 42 58 74 77 89 86
WIND DIR NW NW NW NW NW NW W SW SW W W W W W W W W NW NW NW
WIND SPD 23 20 16 12 6 4 3 3 5 8 10 16 18 18 18 23 26 24 19 13
WIND GUST 41 29 23
CLOUDS FW SC FW SC FW FW FW CL FW FW FW FW SC SC FW CL FW SC SC SC
CLOUDS(%) 16 28 25 38 19 21 17 3 6 8 15 23 30 43 14 5 24 29 31 30
VSBY 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 0
MIX HGT <1 <1 <1 <1 <1 2 1 <1 <1 <1 <1 <1 1 2 2 <1
T WIND DIR NW NW NW NW NW W W S SW SW W W W W W W
T WIND SPD 18 19 16 10 9 8 4 1 3 3 4 6 29 27 19 14
DISPERSION GD GD GD VP PR PR FR GD GD GD GD
ADI 16 18 14 8 10 17 7 1 2 2 3 8 46 59 33 13
MAX LVORI 4 4 5 5 2 2 2 3 3 3 3 2 1 1 1 2
STABILITY D D D C B B B G F E E D D D D D
CEILING None None None None None None None None None
STA PRES 26.83 26.89 26.96 26.92 26.90 26.85 26.81 26.72
Date 11/06Fri 11/07/25Sat 11/08/25Sun 11/09/25Mon 11/10/25
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 39 54 44 52 40 52 28 35
TEMP 54 42 41 39 52 47 48 44 51 43 42 43 51 41 34 29 34 28
DEWPT 33 37 35 35 43 46 47 42 40 39 38 39 41 35 28 23 22 20
RH 45 82 79 85 71 96 96 93 66 86 86 86 68 79 78 78 61 71
WIND SPD <15 <15 <15 15> <15 <15 15> 15> 15>
AVG CLOUDS FW FW FW FW SC B1 B2 B1 SC SC SC SC B1 SC B1 B1 SC SC
POP 12HR 0 0 20 60 5 20 20 20 5
RAIN S L S
RAIN SHWRS IS IS 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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