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EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Blacksburg VA
1031 AM EST Mon Nov 3 2025
NCZ019-032100-
RAWS 312001
36.23N 81.32W Elev. 2380 ft
1031 AM EST Mon Nov 3 2025
Date Mon 11/03/25 Tue 11/04/25 Wed 11/05/25
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 60 38 63 41 68
TEMP 58 56 47 45 42 40 39 54 62 61 48 45 43 42 42 59 67 65 55
DEWPT 39 39 38 35 35 34 32 33 32 36 36 35 35 34 34 40 43 45 42
MAX/MIN RH 47 80 32 75 41
RH 49 53 71 68 76 79 76 45 32 39 63 68 73 73 73 49 42 48 61
WIND DIR NW NW W W NW NW NW NW S S SW W W W W SW SW SW W
WIND SPD 9 9 9 8 5 5 3 2 2 2 2 2 2 2 3 4 8 6 8
CLOUDS FW CL FW CL FW FW SC FW FW FW CL CL CL FW FW FW SC FW CL
CLOUDS(%) 6 5 9 5 9 24 26 11 21 12 3 4 4 6 8 12 26 10 5
VSBY 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 3 3 <1 <1 <1 <1 <1 2 3 2 <1 <1 <1 <1 <1 2 3 2 <1
T WIND DIR NW NW NW NW NW NW NW N NW SW S SW W W W W W SW W
T WIND SPD 18 18 17 12 13 9 8 11 5 4 3 3 3 3 3 9 16 13 6
DISPERSION PR PR PR PR VP VP VP VP PR
ADI 63 61 12 8 6 4 8 28 22 11 2 2 2 2 4 18 63 32 5
MAX LVORI 1 1 3 3 4 4 4 2 2 2 3 3 3 3 3 2 1 1 3
STABILITY B B E E F F B B B B G G G G B B B B E
CEILING None None None None None None None None None
STA PRES 28.01 28.05 28.12 28.19 28.17 28.14 28.08 28.04 27.95
Date Thu 11/06/25Fri 11/07/25Sat 11/08/25Sun 11/09/25
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 45 66 42 62 49 63 44 59
TEMP 52 46 65 50 46 43 62 54 52 49 62 51 46 44 58 47
DEWPT 43 41 43 43 40 39 48 49 49 46 47 44 42 40 41 37
RH 71 83 45 77 79 86 60 83 89 89 58 77 86 86 53 68
WIND SPD <15 <15 <15 <15 <15 <15 <15 <15
AVG CLOUDS FW FW FW FW FW SC SC SC B1 B1 SC SC SC SC SC SC
POP 12HR 0 0 0 10 40 5 10 20
RAIN C C 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