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EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Blacksburg VA
501 PM EDT Sun Oct 4 2026
VAZ018-050800-
RAWS 444002
37.56N 80.18W Elev. 2702 ft
501 PM EDT Sun Oct 4 2026
Date 10/04/26 Mon 10/05/26 Tue 10/06/26 Wed
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 54 72 44 69 45
TEMP 61 58 58 55 54 67 72 71 56 51 48 46 46 61 68 67 53 50 50 46 47
DEWPT 60 58 56 53 49 52 49 45 43 43 41 40 39 45 47 47 45 44 43 42 42
MIN/MAX RH 100 39 82 48 88
RH 97100 93 93 83 59 44 39 62 74 77 79 76 56 47 49 74 80 77 86 83
WIND DIR NW NW NW NW NW NW NW NW NW NW NW NW NW SE SE S SE S SW SW W
WIND SPD 1 2 3 4 5 5 5 5 4 3 2 1 1 2 3 3 2 1 1 1 2
WIND GUST 14 16 18 16 16 14
CLOUDS B2 B1 B1 SC SC SC CL FW CL CL CL FW FW CL CL CL CL CL CL CL CL
CLOUDS(%) 81 66 63 46 29 26 5 6 2 3 4 17 12 3 3 4 2 4 4 1 5
VSBY 10 6 5 2 10 10 10 10 10 10 10 10 10 10 10 10 10
POP 12HR 0 0 0 0 0
Obvis PF PF PF
MIX HGT <1 <1 <1 <1 <1 2 4 3 <1 <1 <1 <1 <1 2 3 3 <1
T WIND DIR NW NW NW NW NW NW NW NW N NW NW NW NW SE S S SE
T WIND SPD 6 8 9 11 16 16 14 14 14 5 3 2 2 4 1 2 3
DISPERSION VP VP VP VP VP VP VP VP VP VP VP VP
ADI 3 4 4 8 17 49 66 59 7 3 2 1 2 14 5 9 2
MAX LVORI 9 9 6 5 3 1 1 1 3 3 4 5 4 2 2 2 3
STABILITY F F F E B B B B F G G G A B B B G
CEILING 1600 None None None None None None None None
STA PRES 27.86 27.85 27.88 27.86 27.92 27.92 27.93 27.85
Date 10/07Thu 10/08/26Fri 10/09/26Sat 10/10/26Sun 10/11/26
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 77 52 77 52 77 52 73 51 66
TEMP 76 63 56 53 76 64 55 52 75 63 56 52 72 62 55 51 64 58
DEWPT 52 51 48 47 53 50 48 46 51 49 47 45 50 48 47 46 54 52
RH 43 65 74 80 45 60 77 80 43 60 72 77 46 60 74 83 70 80
WIND SPD <15 <15 <15 <15 <15 <15 <15 <15 <15
AVG CLOUDS CL CL CL FW FW FW FW FW FW FW SC SC B1 B1 B1 B2 B2 B2
POP 12HR 0 0 0 0 0 0 0 20 50
RAIN SHWRS IS SC SC
$$
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