Print This Forecast (Printer-Friendly)
EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Blacksburg VA
1101 AM EST Sun Nov 9 2025
VAZ020-092100-
RAWS 441801
37.99N 79.76W Elev. 2160 ft
1101 AM EST Sun Nov 9 2025
Date Sun 11/09/25 Mon 11/10/25 Tue 11/11/25
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 64 33 40 24 39
TEMP 63 59 49 45 40 36 33 37 39 35 30 29 28 26 25 31 37 37 31
DEWPT 47 42 37 34 29 26 24 22 19 17 15 15 14 12 13 14 14 14 14
MAX/MIN RH 52 68 44 58 37
RH 56 53 63 65 64 67 69 54 44 47 53 55 55 55 60 49 38 38 49
WIND DIR SW W W W W W NW NW NW NW NW NW NW W W W W W SW
WIND SPD 4 5 6 6 8 6 8 8 5 6 8 9 10 11 11 9 8 6 5
WIND GUST 17 19 18 17 19 21 23 25 24 23 19 17
CLOUDS B1 B1 B2 B2 SC FW SC B1 B1 B2 B1 B1 B1 SC FW FW FW FW FW
CLOUDS(%) 69 59 78 86 37 25 27 53 68 70 58 66 62 44 22 25 23 14 25
VSBY 10 10 10 10 10 10 9 5 5 9 9 10
POP 12HR 20 20 30 30 0
RAIN SHWRS IS IS
SNOWSHWRS SC SC IS IS
MIX HGT 3 3 1 2 2 1 1 4 4 3 2 2 3 2 2 3 4 3 <1
T WIND DIR SW W W W W NW NW NW NW NW NW NW NW W W W W W SW
T WIND SPD 21 24 21 25 26 25 26 26 19 20 24 19 28 26 27 35 31 21 18
DISPERSION PR PR PR PR PR PR FR FR PR
ADI 55 56 15 17 18 11 41 70 56 53 27 26 39 36 72121140 83 8
MAX LVORI 1 1 2 3 3 3 1 1 1 1 2 2 1 1 1 1 1 1 2
STABILITY D D E E E F B D D D D D D D C C B B F
CEILING 0 0 None None 0 0 None None None
STA PRES 27.56 27.62 27.61 27.63 27.64 27.67 27.71 27.77 27.77
Date Wed 11/12/25Thu 11/13/25Fri 11/14/25Sat 11/15/25
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 30 54 36 53 32 57 36 60
TEMP 33 35 52 45 42 38 51 41 37 34 56 46 41 38 58 48
DEWPT 15 21 31 31 32 29 27 25 25 25 30 32 32 31 35 35
RH 47 56 44 58 67 70 39 52 61 69 37 58 70 76 42 60
WIND SPD <15 <15 <15 <15 <15 <15 <15 <15
AVG CLOUDS SC FW FW FW FW SC SC FW FW FW FW FW SC SC SC SC
POP 12HR 0 0 0 0 0 5 5 0
$$
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