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EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Blacksburg VA
200 PM EST Sun Nov 2 2025
VAZ046-022000-
RAWS 441101
37.39N 78.80W Elev. 804 ft
200 PM EST Sun Nov 2 2025
Date Sun 11/02/25 Mon 11/03/25 Tue 11/04/25
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 46 64 39 64
TEMP 62 52 49 47 46 46 56 63 64 54 49 46 42 41 55 62 62 54
DEWPT 41 42 43 45 46 46 49 46 44 41 38 37 36 34 34 29 31 34
MAX/MIN RH 43 100 49 82 28
RH 46 69 80 93100100 77 54 48 61 66 71 79 76 45 28 31 46
WIND DIR E E E NE N N N NW W W W W W W NW W W SW
WIND SPD 5 3 2 2 4 4 6 8 9 6 5 5 5 5 6 5 5 3
CLOUDS B2 B2 OV OV B2 B2 SC SC FW CL CL CL CL FW FW SC FW FW
CLOUDS(%) 74 82 90 90 84 79 43 26 7 3 3 2 2 7 22 34 22 15
VSBY 10 10 10 10 8 8 10 10 10 10 10 10 10 10 10 10 10 10
POP 12HR 0 50 10 0 0
RAIN SHWRS SC IS
MIX HGT 4 <1 <1 <1 <1 <1 2 4 3 <1 <1 <1 <1 <1 2 4 2 <1
T WIND DIR E E E NE N N NW W W NW NW W W NW NW NW W SW
T WIND SPD 11 3 3 2 2 2 11 8 16 11 6 5 4 5 12 11 8 4
DISPERSION VP VP VP VP PR PR PR PR VP
ADI 45 2 2 1 2 3 26 36 53 5 3 3 2 6 37 49 22 2
MAX LVORI 1 3 4 7 10 9 3 1 1 3 3 3 4 4 1 1 2 2
STABILITY C F F F E D B B C F F F F B B B B G
CEILING 13500 5300 500 None None None None None None
STA PRES 29.52 29.52 29.51 29.47 29.37 29.45 29.53 29.59 29.56
Date Wed 11/05/25Thu 11/06/25Fri 11/07/25Sat 11/08/25
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 39 70 45 65 40 65 50 69
TEMP 43 40 68 62 53 47 64 52 44 41 62 58 56 53 67 57
DEWPT 34 34 43 45 44 41 40 39 38 38 46 48 51 49 47 46
RH 70 79 40 54 71 79 41 61 79 89 56 69 83 86 49 67
WIND SPD <15 <15 <15 <15 <15 <15 <15 <15
AVG CLOUDS FW FW FW FW FW FW FW FW FW SC SC SC SC B1 SC SC
POP 12HR 0 0 0 0 0 0 20 5
RAIN SHWRS IS IS
$$
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