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EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Blacksburg VA
731 AM EDT Sat Nov 1 2025
NCZ003-012000-
RAWS 310302
36.35N 80.48W Elev. 1076 ft
731 AM EDT Sat Nov 1 2025
Date Sat 11/01/25 Sun 11/02/25 Mon 11/03/25
UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00
EDT 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20
MAX/MIN TEMP 59 42 60 42 62
TEMP 37 49 57 59 48 44 44 43 42 53 59 57 49 47 44 43 43 52 59 61 53
DEWPT 34 38 37 38 39 40 39 39 38 41 41 41 41 42 42 42 42 45 44 44 43
MAX/MIN RH 45 85 51 96 53
RH 89 66 47 45 71 86 82 86 86 64 51 55 74 83 93 96 96 77 57 53 69
WIND DIR W W W W SW W N NE NE E E E NE NE N N N N N NW NW
WIND SPD 2 2 3 2 1 1 1 1 2 3 5 4 4 4 5 5 5 5 5 5 5
CLOUDS CL CL FW SC FW SC B2 B2 B2 B2 B2 B2 B2 B1 B1 B1 SC SC SC FW FW
CLOUDS(%) 2 2 21 27 21 44 74 71 78 73 78 76 76 62 57 58 50 36 34 21 13
VSBY 10 10 10 10 10 10 10 10 10 10 10 10 10 10 7 7 10 10 10 10 10
POP 12HR 0 5 10 30 10
RAIN C C C C
MIX HGT <1 2 4 4 <1 <1 <1 <1 <1 2 5 4 <1 <1 <1 <1 <1 2 2 2 <1
T WIND DIR W W W W SW W N N NE SE SE E E E NE N N N N NW NW
T WIND SPD 2 3 5 5 2 1 1 2 2 9 8 8 9 9 6 9 10 10 13 13 12
DISPERSION VP VP VP VP VP VP PR PR PR
ADI 2 8 29 25 1 1 1 1 2 22 25 23 6 6 5 6 11 23 43 32 6
MAX LVORI 8 3 2 2 4 6 6 5 5 2 2 2 3 4 6 6 5 3 1 1 3
STABILITY B B B B G F F F B B D D E E E E B B B B F
CEILING None None None 10600 10200 3600 7300 None None None
STA PRES 29.08 29.06 29.09 29.12 29.16 29.12 29.17 29.13 29.11 29.05
Date Tue 11/04/25Wed 11/05/25Thu 11/06/25Fri 11/07/25
UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00
EDT 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20
MIN/MAX TEMP 40 64 38 65 44 65 40 62
TEMP 46 42 62 53 42 40 63 56 47 45 65 52 45 41 58 55
DEWPT 40 37 38 39 38 38 42 45 43 41 43 42 40 38 44 47
RH 79 82 41 59 86 92 46 66 86 86 45 69 82 89 59 74
WIND SPD <15 <15 <15 <15 <15 <15 <15 <15
AVG CLOUDS FW FW FW FW FW FW FW FW FW FW FW CL FW SC SC SC
POP 12HR 0 0 0 0 0 0 0 5
$$
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