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EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Blacksburg VA
701 AM EST Wed Nov 5 2025
VAZ020-052100-
RAWS 441801
37.99N 79.76W Elev. 2160 ft
701 AM EST Wed Nov 5 2025
Date Wed 11/05/25 Thu 11/06/25 Fri 11/07/25
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 69 39 58 35 61
TEMP 57 68 66 58 57 50 43 39 49 57 55 43 40 38 36 36 48 59 61 55
DEWPT 34 38 36 36 45 37 31 30 27 23 22 22 23 23 24 26 32 39 42 43
MAX/MIN RH 30 68 25 69 46
RH 42 33 33 44 64 61 62 70 42 27 27 43 50 54 61 67 54 47 49 64
WIND DIR SW W W W W NW NW NW NW NW W NW NE S S S S S S S
WIND SPD 4 6 6 9 10 8 5 3 2 2 2 1 1 1 2 2 2 3 4 5
WIND GUST 18 20 24 25 20
CLOUDS FW SC FW FW FW FW FW FW CL FW FW FW FW FW FW FW SC B1 B1 B2
CLOUDS(%) 22 49 6 7 23 10 6 14 4 6 6 6 14 13 10 22 39 58 66 78
VSBY 10 10 10 10 10 10 10 10 10 10 10 3 10 10 10 10 3 10 10 3
POP 12HR 0 0 0 0 10
RAIN L
MIX HGT 1 3 2 1 1 2 1 <1 3 4 3 <1 <1 <1 <1 <1 2 2 2 <1
T WIND DIR W W W W NW NW NW W NW NW W W N SE S S S S S S
T WIND SPD 12 32 32 17 40 26 16 3 9 11 9 1 0 1 1 2 9 18 18 10
DISPERSION PR FR PR PR VP VP VP VP PR
ADI 23123 84 12 27 18 7 4 33 50 35 1 0 1 1 2 19 57 32 7
MAX LVORI 2 1 1 2 2 2 3 3 1 1 1 2 2 2 3 3 2 1 1 3
STABILITY B B B E E E F B B B B G G G G B B B D E
CEILING None None None None None None None None None 5900
STA PRES 27.86 27.73 27.77 27.91 27.99 27.96 27.95 27.87 27.78 27.64
Date Sat 11/08/25Sun 11/09/25Mon 11/10/25Tue 11/11/25
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 49 65 44 60 31 39 25 41
TEMP 53 49 65 52 47 46 59 45 36 31 38 30 29 26 40 32
DEWPT 48 48 44 41 41 42 41 33 26 21 17 16 17 17 17 18
RH 83 96 46 66 79 86 51 62 67 66 42 55 60 68 39 56
WIND SPD <15 <15 <15 <15 <15 <15 <15 <15
AVG CLOUDS B2 B2 SC FW SC B1 B1 B1 B1 SC SC SC SC SC SC SC
POP 12HR 70 10 30 40 30 20 10 5
RAIN L C C C C C S S
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