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EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Blacksburg VA
801 PM EDT Sat Oct 31 2026
VAZ012-010800-
RAWS 447502
37.01N 81.18W Elev. 2540 ft
801 PM EDT Sat Oct 31 2026
Date 10/31/26 Sun 11/01/26 Mon 11/02/26 Tue
UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12
EDT 3hrly 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08
MIN/MAX TEMP 45 59 43 65 41
TEMP 50 48 46 45 52 58 57 53 49 48 46 43 52 62 65 54 48 46 43 42
DEWPT 40 39 37 38 38 37 37 37 38 38 38 39 44 41 40 43 42 42 43 42
MIN/MAX RH 77 43 92 39 100
RH 68 71 71 76 59 45 47 54 66 68 73 86 74 46 40 66 80 86100100
WIND DIR SE SE SE SE SE SE SE SE SE SE SE SE SE SE SE SE SE SE SE SE
WIND SPD 3 3 3 3 2 3 2 2 2 2 2 1 2 2 2 2 2 1 1 1
CLOUDS OV OV OV OV OV B2 B2 OV B2 B2 B2 B1 B2 SC SC SC SC FW SC SC
CLOUDS(%) 100100100100100 86 80 93 83 81 72 68 70 46 35 27 26 25 31 39
VSBY 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10
POP 12HR 10 5 5 5 0
MIX HGT <1 <1 <1 <1 1 2 2 <1 <1 <1 <1 <1 1 2 2 <1
T WIND DIR SE SE SE SE SE SE S S SE SE SE SE SE S SE SE
T WIND SPD 8 9 8 9 10 10 9 6 8 9 8 8 8 10 10 6
DISPERSION VP VP VP VP VP VP VP VP VP VP VP
ADI 4 4 4 7 18 26 19 3 4 4 4 6 11 25 25 3
MAX LVORI 3 3 3 3 2 2 2 3 3 3 3 5 3 2 2 3
STABILITY F F F C C C C F F F F C C B B G
CEILING 14200 9900 10900 7000 5200 5200 5200 None None
STA PRES 27.64 27.65 27.67 27.62 27.62 27.59 27.59 27.52
Date 11/03Wed 11/04/26Thu 11/05/26Fri 11/06/26Sat 11/07/26
UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00
EDT 6hrly 14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20
MAX/MIN TEMP 70 49 69 54 70 51 68 45 64
TEMP 66 56 53 52 64 60 57 56 65 60 55 53 63 57 50 46 60 53
DEWPT 52 52 51 52 59 58 56 56 61 58 55 52 56 52 49 46 48 46
RH 61 86 93100 84 93 96100 87 93100 96 78 83 96100 64 77
WIND SPD <15 <15 <15 <15 <15 <15 <15 <15 <15
AVG CLOUDS SC FW FW B1 B2 B2 B2 B2 B2 B1 B1 B2 B2 B1 SC SC B1 SC
POP 12HR 0 5 30 60 70 50 50 20 20
RAIN SHWRS IS SC SC NM NM SC SC SC SC SC IS IS 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