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EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Blacksburg VA
531 PM EDT Tue Oct 6 2026
VAZ046-070800-
RAWS 441101
37.39N 78.80W Elev. 804 ft
531 PM EDT Tue Oct 6 2026
Date 10/06/26 Wed 10/07/26 Thu 10/08/26 Fri
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 74 53 82 53
TEMP 56 49 47 45 46 61 70 74 64 58 56 54 55 73 80 81 70 61 57 54 54
DEWPT 47 45 44 43 45 52 56 56 57 56 56 54 54 58 58 56 56 54 52 50 50
MIN/MAX RH 97 53 100 42 90
RH 72 86 89 93 96 72 61 53 78 93100100 96 59 47 42 61 78 83 86 86
WIND DIR SE SE SE SW SW SW SW SW S SW SW SW W W W W W NW NW NW NW
WIND SPD 1 1 1 2 3 8 8 6 5 5 5 5 5 5 8 5 4 3 2 2 3
CLOUDS FW FW FW FW FW FW CL FW CL CL CL FW FW CL CL FW FW FW FW SC FW
CLOUDS(%) 9 13 16 22 12 16 4 15 1 0 0 17 23 3 4 9 6 9 13 26 19
VSBY 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10
POP 12HR 0 0 0 0 0
MIX HGT <1 <1 <1 <1 <1 2 3 3 <1 <1 <1 <1 <1 2 5 5 <1
T WIND DIR S SW SW NW S SW SW SW S S SW SW W NW W W S
T WIND SPD 1 1 1 1 2 11 10 10 4 4 3 3 2 11 8 10 3
DISPERSION VP VP VP VP PR PR PR PR VP VP VP VP
ADI 1 1 1 1 2 29 42 42 2 2 2 2 2 31 45 61 2
MAX LVORI 4 6 7 8 8 3 1 1 4 6 10 10 8 1 1 1 3
STABILITY G G G G B B B B F F F F B B B B F
CEILING None None None None None None None None None
STA PRES 29.41 29.39 29.35 29.26 29.27 29.25 29.27 29.23
Date 10/09Sat 10/10/26Sun 10/11/26Mon 10/12/26Tue 10/13/26
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 76 52 73 55 67 59 74 57 76
TEMP 75 64 54 53 70 62 56 56 64 63 62 60 70 66 60 59 73 66
DEWPT 52 53 50 49 54 55 55 56 63 62 62 60 65 64 60 59 63 62
RH 45 67 86 86 57 78 96100 97 97100100 84 93100100 71 87
WIND SPD <15 <15 <15 <15 <15 <15 <15 <15 <15
AVG CLOUDS SC SC SC SC SC B1 B1 B2 B2 B2 B2 B2 B1 B1 B1 SC SC SC
POP 12HR 0 0 5 30 70 70 30 10 10
RAIN SHWRS SC NM NM NM SC 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