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EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Blacksburg VA
431 AM EST Tue Nov 3 2026
VAZ046-032100-
RAWS 441101
37.39N 78.80W Elev. 804 ft
431 AM EST Tue Nov 3 2026
Date Tue 11/03/26 Wed 11/04/26 Thu 11/05/26
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 71 48 75 60 76
TEMP 44 60 70 70 60 57 52 51 48 64 73 73 64 62 62 61 61 68 74 75 69
DEWPT 43 51 56 55 54 54 52 51 48 58 59 59 59 60 61 61 61 66 67 67 66
MAX/MIN RH 57 100 60 100 75
RH 96 72 61 59 81 90100100100 81 62 62 84 93 97100100 93 79 76 90
WIND DIR SW SW S S SE SE SE SW NW S S S SE S S S S S SW S S
WIND SPD 2 3 6 5 1 2 2 2 1 3 6 5 2 4 5 6 5 9 9 6 3
CLOUDS SC SC FW FW CL FW SC SC SC B1 SC B1 B2 B2 B2 B1 B2 B2 B2 B2 B1
CLOUDS(%) 28 39 25 6 2 6 26 36 41 63 40 61 80 78 81 68 81 80 79 76 67
VSBY 7 10 10 10 10 10 9 7 7 7 7 7 7 7 7 7 7 10 10 10 10
POP 12HR 0 0 0 40 40
RAIN C C
RAIN SHWRS SC SC SC
MIX HGT <1 2 3 3 <1 <1 <1 <1 <1 1 3 2 <1 <1 <1 <1 <1 2 3 2 <1
T WIND DIR SW SW S S S S S SW S S S S S S S S S SW SW SW S
T WIND SPD 5 8 8 9 5 5 8 5 5 8 11 9 6 9 9 9 8 13 14 10 6
DISPERSION VP VP VP VP VP VP PR PR VP
ADI 6 17 30 33 3 3 4 3 6 16 46 20 3 6 6 6 9 25 34 18 3
MAX LVORI 6 3 2 1 5 6 9 9 9 4 1 2 5 6 6 8 8 5 3 3 6
STABILITY B B B B G G G G A C B D F E E E D D D D F
CEILING None None None None None None 2600 300 2900 1600
STA PRES 29.61 29.54 29.54 29.49 29.47 29.37 29.33 29.27 29.26 29.21
Date Fri 11/06/26Sat 11/07/26Sun 11/08/26Mon 11/09/26
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 61 73 50 71 44 66 42 61
TEMP 63 61 71 64 54 50 68 60 48 45 63 57 48 43 59 52
DEWPT 63 61 62 59 54 50 52 49 47 44 47 46 44 41 41 40
RH 100100 73 84100100 57 67 96 96 56 67 86 93 51 63
WIND SPD <15 <15 <15 <15 <15 <15 <15 <15
AVG CLOUDS B2 B2 B2 B1 SC SC SC FW FW SC SC SC SC SC SC SC
POP 12HR 60 70 20 10 5 5 20 20
RAIN S S S S S
RAIN SHWRS SC NM NM SC
TSTMS 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