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EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Blacksburg VA
507 AM EDT Tue Oct 6 2026
VAZ024-062000-
RAWS 441631
37.63N 79.51W Elev. 865 ft
507 AM EDT Tue Oct 6 2026
Date Tue 10/06/26 Wed 10/07/26 Thu 10/08/26
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 72 43 81 50 84
TEMP 47 60 67 67 58 51 48 45 45 64 76 77 66 59 55 52 52 73 83 81 68
DEWPT 42 45 45 46 48 47 46 44 44 51 52 54 56 54 54 51 50 56 55 54 55
MAX/MIN RH 43 98 40 100 37
RH 83 58 45 47 69 86 93 96 96 63 43 45 70 83 96 96 93 55 38 39 63
WIND DIR N E SE S S N N N N SW SW SW S SW W W W W W NW NW
WIND SPD 0 1 2 3 1 0 0 0 0 1 3 3 2 1 1 1 1 1 4 5 2
CLOUDS FW FW FW FW FW CL FW FW FW FW FW CL CL CL FW FW FW CL CL CL FW
CLOUDS(%) 14 14 15 10 13 5 11 18 10 15 13 3 3 5 9 8 8 2 5 4 9
VSBY 9 10 10 10 10 10 6 6 6 10 10 10 10
POP 12HR 0 0 0 0 0
MIX HGT <1 3 4 3 <1 <1 <1 <1 <1 2 4 4 <1 <1 <1 <1 <1 2 5 5 <1
T WIND DIR NE E N SE SW W NW N W SW SW SW S SW NW NW NW NW NW NW NW
T WIND SPD 9 5 0 2 4 2 2 1 1 4 6 6 3 3 3 2 2 9 17 17 4
DISPERSION VP VP VP VP VP VP VP VP VP
ADI 9 18 0 10 2 1 1 1 1 10 30 32 2 2 2 1 2 26107108 2
MAX LVORI 4 2 2 2 3 5 7 9 8 3 1 1 3 5 8 10 8 2 1 1 3
STABILITY A A B B G G G G A A B B G G G G A A B B G
CEILING None None None None None None None None None None
STA PRES 28.69 28.64 28.60 28.56 28.54 28.46 28.46 28.44 28.47 28.48
Date Fri 10/09/26Sat 10/10/26Sun 10/11/26Mon 10/12/26
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 50 79 47 74 50 69 53 75
TEMP 57 51 78 67 53 49 70 65 54 52 63 63 57 55 70 67
DEWPT 52 48 48 50 48 45 48 51 52 51 55 57 57 55 60 59
RH 83 89 35 54 83 86 45 60 93 96 75 81100100 71 75
WIND SPD <15 <15 <15 <15 <15 <15 <15 <15
AVG CLOUDS FW FW SC SC SC SC SC SC B1 B1 B1 B2 B2 B1 B1 B1
POP 12HR 0 0 0 5 30 50 60 20
RAIN SHWRS IS SC SC SC NM SC 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