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EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Blacksburg VA
401 AM EST Thu Nov 6 2025
VAZ024-062100-
RAWS 441631
37.63N 79.51W Elev. 865 ft
401 AM EST Thu Nov 6 2025
Date Thu 11/06/25 Fri 11/07/25 Sat 11/08/25
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 62 34 66 50 72
TEMP 42 52 61 61 48 41 37 35 35 52 64 65 60 56 55 53 50 62 71 70 57
DEWPT 31 28 26 23 25 25 24 25 28 37 43 47 49 50 51 51 49 53 48 47 48
MAX/MIN RH 23 79 46 98 41
RH 65 39 26 23 40 52 59 66 75 56 46 52 67 80 86 93 96 72 44 44 72
WIND DIR NW NW NW NW N N E S S S S S S SW SW SW W W W SW SW
WIND SPD 2 2 2 2 1 1 1 1 2 5 8 9 6 4 2 2 2 2 4 3 1
WIND GUST 16 19 21 23 18 13
CLOUDS CL FW CL CL CL FW FW CL FW SC SC B1 B2 B1 B1 B1 SC SC SC SC SC
CLOUDS(%) 3 6 3 5 5 6 11 4 6 26 46 57 73 65 60 56 34 40 38 27 35
VSBY 10 10 10 10 10 10 10 10 10 10 10 8 8 8 8 8 8 8 8 8 8
POP 12HR 0 0 0 50 5
RAIN C C C C S
MIX HGT <1 4 5 4 <1 <1 <1 <1 <1 2 3 2 <1 <1 <1 <1 <1 2 4 3 <1
T WIND DIR NW N NW W SE E E S S S S S SW S SW SW W W W SW SE
T WIND SPD 5 11 8 5 2 2 1 2 2 18 19 19 14 9 9 6 3 6 8 6 3
DISPERSION VP VP VP VP PR VP VP VP VP
ADI 6 51 47 27 1 1 1 1 2 55 77 54 10 6 4 3 4 20 42 28 2
MAX LVORI 3 1 1 2 2 2 3 3 4 1 1 1 3 4 5 6 8 3 1 2 3
STABILITY B B B B G G G G B B B C E E F F B B B B G
CEILING None None None None None 15100 1800 None None None
STA PRES 28.68 28.65 28.63 28.57 28.49 28.34 28.28 28.29 28.34 28.33
Date Sun 11/09/25Mon 11/10/25Tue 11/11/25Wed 11/12/25
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 47 68 31 43 26 50 32 62
TEMP 51 48 67 50 39 31 43 34 29 26 47 41 35 34 61 50
DEWPT 47 47 46 38 30 23 18 18 18 16 20 22 23 24 32 34
RH 86 96 47 63 70 72 36 51 63 65 34 46 61 66 33 54
WIND SPD <15 <15 <15 <15 <15 <15 <15 <15
AVG CLOUDS SC B1 B1 SC SC SC SC SC FW FW FW FW SC SC FW SC
POP 12HR 40 20 20 10 10 0 0 0
RAIN S C S 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