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EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Blacksburg VA
1101 PM EDT Sat Oct 31 2026
VAZ018-010800-
RAWS 444002
37.56N 80.18W Elev. 2702 ft
1101 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 46 59 48 65 47
TEMP 50 48 47 52 58 58 52 51 50 49 49 56 64 63 53 51 50 48 48
DEWPT 42 41 40 39 39 39 38 38 38 39 39 45 44 43 42 41 40 41 41
MIN/MAX RH 79 47 74 47 78
RH 74 77 76 61 49 49 59 61 63 68 68 66 48 48 66 68 68 77 77
WIND DIR E N N SE SE SE E SE SE SE N SE SE SE SE N N N N
WIND SPD 1 0 0 2 4 3 1 1 1 1 0 1 3 3 1 0 0 0 0
CLOUDS OV OV B2 B1 B2 B2 B2 OV B2 B2 B1 B1 SC SC SC SC FW FW SC
CLOUDS(%) 100100 87 67 84 85 77 88 84 80 65 62 46 32 31 28 25 23 35
VSBY 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10
POP 12HR 10 5 5 0 0
MIX HGT <1 <1 <1 2 2 2 <1 <1 <1 <1 <1 1 2 2 <1
T WIND DIR SE SE SE SE SE SE SE SE SE S S S S SE SE
T WIND SPD 5 5 4 8 6 6 6 5 5 5 4 5 6 8 5
DISPERSION VP VP VP VP VP VP VP VP VP VP
ADI 3 3 4 18 14 17 3 3 3 3 4 9 17 20 3
MAX LVORI 3 3 3 2 2 2 3 3 3 3 3 3 2 2 3
STABILITY F F C B D C F F F F C C B B G
CEILING 12600 10500 10500 6700 5800 None None None
STA PRES 28.23 28.24 28.20 28.20 28.17 28.17 28.11
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 54 68 59 70 57 68 52 65
TEMP 69 58 54 55 66 61 60 59 67 62 59 58 66 60 55 53 63 57
DEWPT 54 52 51 52 61 59 59 59 63 59 57 56 59 54 50 48 52 47
RH 59 80 90 90 84 93 96100 87 90 93 93 78 81 83 83 67 69
WIND SPD <15 <15 <15 <15 <15 <15 <15 <15 <15
AVG CLOUDS SC FW FW SC B2 B1 B2 OV B2 B2 B1 B2 B2 B1 B1 B1 B1 B1
POP 12HR 0 5 30 70 70 50 40 30 20
RAIN SHWRS SC SC SC NM NM NM SC SC SC SC SC SC 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