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EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Blacksburg VA
1131 AM EDT Sun Oct 4 2026
VAZ024-042000-
RAWS 441631
37.63N 79.51W Elev. 865 ft
1131 AM EDT Sun Oct 4 2026
Date Sun 10/04/26 Mon 10/05/26 Tue 10/06/26
UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00
EDT 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20
MAX/MIN TEMP 67 53 78 43 70
TEMP 66 67 62 57 56 54 53 69 78 77 63 54 48 45 44 64 70 69 56
DEWPT 62 63 62 57 56 54 53 55 49 45 46 45 45 43 42 45 44 45 47
MAX/MIN RH 86 100 32 91 37
RH 87 87100100100100100 61 36 32 54 71 89 93 93 50 39 42 72
WIND DIR NW NW N N N NW N N N N N N N NW N E S S SE
WIND SPD 1 1 0 0 0 1 1 1 3 4 3 2 1 1 1 1 2 2 1
CLOUDS OV B2 B2 B2 B1 B2 SC SC FW CL FW CL CL CL FW CL CL CL CL
CLOUDS(%) 91 84 84 76 67 77 40 26 7 3 7 3 2 5 12 2 4 2 3
VSBY 10 10 10 3 1 0 6 10 10 10 10 10 10 10 10 10 10 10 10
POP 12HR 20 0 0 0 0
DRIZZLE
RAIN
Obvis PF PF PF
MIX HGT 2 2 <1 <1 <1 <1 <1 3 5 5 <1 <1 <1 <1 <1 3 4 4 <1
T WIND DIR NW NW SW S W NW NW NW NW NW N N N N N E SE S SE
T WIND SPD 3 3 1 1 1 2 3 11 12 10 5 4 3 3 2 4 1 3 3
DISPERSION VP VP VP VP VP VP VP VP VP
ADI 6 6 1 1 1 1 3 37 69 59 3 2 2 2 2 17 6 16 2
MAX LVORI 5 4 8 8 9 7 6 1 1 1 2 3 7 7 6 2 2 2 3
STABILITY D D F F F F A B B B G G G G A A B B G
CEILING 1800 2200 16800 None None None None None None
STA PRES 28.56 28.55 28.54 28.58 28.56 28.64 28.66 28.69 28.60
Date Wed 10/07/26Thu 10/08/26Fri 10/09/26Sat 10/10/26
UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00
EDT 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20
MIN/MAX TEMP 42 80 47 83 49 81 49 77
TEMP 47 45 77 68 54 50 82 67 55 51 80 66 55 51 76 64
DEWPT 45 43 52 54 52 48 51 51 51 48 50 51 50 47 48 49
RH 93 93 42 61 93 93 34 56 86 89 35 58 83 86 37 58
WIND SPD <15 <15 <15 <15 <15 <15 <15 <15
AVG CLOUDS CL CL CL CL FW FW FW FW FW FW FW FW SC SC SC B1
POP 12HR 0 0 0 0 0 0 0 0
$$
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