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EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Blacksburg VA
401 PM EST Mon Nov 2 2026
VAZ046-030900-
RAWS 441101
37.39N 78.80W Elev. 804 ft
401 PM EST Mon Nov 2 2026
Date 11/02/26 Tue 11/03/26 Wed 11/04/26 Thu
UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12
EST 3hrly 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07
MIN/MAX TEMP 41 74 48 75 60
TEMP 54 49 46 43 42 63 72 72 59 55 53 50 49 64 72 74 66 62 62 61 62
DEWPT 41 41 41 42 42 51 54 53 53 53 53 50 49 57 59 59 57 58 59 59 60
MIN/MAX RH 100 50 100 58 98
RH 61 74 83 96100 65 53 51 80 93100100100 78 64 59 73 87 90 93 93
WIND DIR E N W W W SW S S S SE S S S S S S SE S S S S
WIND SPD 1 0 1 1 2 2 5 5 1 1 2 1 1 3 6 5 3 4 5 5 5
CLOUDS SC FW CL CL FW FW SC FW FW FW SC SC SC SC B1 B1 B2 B2 B2 OV B2
CLOUDS(%) 34 9 2 2 21 24 44 11 15 18 26 33 48 45 52 63 79 79 84 88 78
VSBY 10 10 10 10 10 10 10 10 10 10 7 7 7 7 7 7 7 7 7 7 7
POP 12HR 0 0 0 0 30
RAIN SHWRS SC SC NM
Obvis PF PF
MIX HGT <1 <1 <1 <1 <1 1 3 2 <1 <1 <1 <1 <1 1 3 3 <1
T WIND DIR SE SW SW W SW SW SW S NW N N N N N S SE SE
T WIND SPD 3 2 2 2 2 9 8 5 2 2 1 0 0 0 9 5 3
DISPERSION VP VP VP VP VP VP VP VP VP VP PR PR
ADI 2 1 1 1 2 17 28 17 1 1 1 0 0 0 39 21 2
MAX LVORI 3 4 5 8 9 3 2 2 5 7 10 10 10 6 3 3 6
STABILITY G G G G B B B B G G G G A B B B F
CEILING None None None None None None None 27000 27000
STA PRES 29.64 29.60 29.61 29.56 29.54 29.49 29.46 29.37
Date 11/05Fri 11/06/26Sat 11/07/26Sun 11/08/26Mon 11/09/26
UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00
EST 6hrly 13 19 01 07 13 19 01 07 13 19 01 07 13 19 01 07 13 19
MAX/MIN TEMP 75 54 72 49 69 41 65 40 63
TEMP 72 65 58 54 69 63 53 50 66 58 46 42 62 55 45 42 60 53
DEWPT 65 57 58 54 58 56 52 49 49 47 44 41 43 45 43 41 42 42
RH 79 75100100 68 78 96 96 54 67 93 96 50 69 93 96 51 66
WIND SPD <15 <15 <15 <15 <15 <15 <15 <15 <15
AVG CLOUDS B2 B1 B1 B2 B2 B1 SC SC SC FW SC SC SC SC SC B1 B1 B1
POP 12HR 60 40 40 20 5 0 5 30 30
RAIN SHWRS NM IS SC SC SC IS SC SC SC
TSTMS 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