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EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Blacksburg VA
801 AM EDT Sat Nov 1 2025
WVZ043-012000-
RAWS 465401
37.53N 81.00W Elev. 2725 ft
801 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 53 40 55 37 56
TEMP 46 52 53 46 44 43 41 41 48 54 53 46 42 40 38 37 48 55 54 47
DEWPT 38 35 35 36 38 38 39 39 41 39 38 38 37 38 37 37 41 40 39 39
MAX/MIN RH 50 93 55 99 55
RH 73 52 50 68 79 82 92 92 77 57 57 73 82 92 96100 77 57 57 74
WIND DIR W W W W W E NE E SE SE SE E SE SE NE NW W W W W
WIND SPD 8 9 5 2 1 1 1 2 4 6 5 3 2 2 2 2 4 6 9 6
WIND GUST 17
CLOUDS SC B1 B2 B1 B2 B2 B2 B2 B2 B2 B1 SC SC SC SC SC FW SC FW FW
CLOUDS(%) 26 63 73 66 86 87 81 71 75 83 59 41 35 29 35 31 19 29 12 6
VSBY 10 10 10 10 10 10 9 10 10 10 10 10 10 7 7 10 10 10 10 10
POP 12HR 0 30 20 20 5
RAIN C C S S S S S S S S
MIX HGT 2 5 4 <1 <1 <1 <1 <1 1 5 4 <1 <1 <1 <1 <1 2 4 3 <1
T WIND DIR W W W SW SW W N NE SE SE SE SE SE SE E N NW NW NW NW
T WIND SPD 18 14 9 2 2 2 2 3 10 16 11 12 11 2 2 2 11 16 17 18
DISPERSION VP VP VP VP VP VP VP VP PR
ADI 53 45 26 1 1 1 1 3 17 50 32 6 5 1 1 2 24 70 57 8
MAX LVORI 3 1 2 3 5 5 7 6 3 1 1 3 5 7 8 8 3 1 1 3
STABILITY B D D F F F F C D D D F G G G B B B C F
CEILING None 3200 3100 500 300 3000 None None None None
STA PRES 27.72 27.72 27.75 27.79 27.83 27.79 27.83 27.82 27.82 27.78
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 36 57 37 63 44 57 36 60
TEMP 43 38 57 46 41 39 62 53 49 45 57 46 40 38 57 53
DEWPT 38 36 32 34 35 34 37 39 41 41 38 36 36 36 41 43
RH 82 92 38 63 79 82 39 59 74 86 49 68 85 92 55 69
WIND SPD <15 <15 <15 <15 <15 <15 <15 <15
AVG CLOUDS FW FW FW FW FW FW FW FW FW SC SC FW FW SC SC SC
POP 12HR 0 0 0 0 10 0 0 10
$$
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