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EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Blacksburg VA
801 PM EDT Tue Oct 6 2026
NCZ005-070800-
RAWS 310540
36.38N 79.70W Elev. 858 ft
801 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 43 76 54 83 55
TEMP 52 50 47 46 62 72 74 62 58 56 55 55 73 81 82 71 62 59 56 56
DEWPT 47 47 45 46 54 57 57 58 56 56 55 55 59 58 58 58 55 54 52 51
MIN/MAX RH 100 54 100 42 89
RH 83 89 93100 75 59 55 87 93100100100 62 46 44 63 78 83 86 83
WIND DIR SE N N SW SW SW SW S SW SW W W W W W W W NW NW N
WIND SPD 1 0 0 1 3 5 5 4 4 4 4 4 4 5 5 3 2 2 2 3
CLOUDS CL CL CL CL CL CL CL CL CL CL FW SC CL FW FW FW SC SC SC SC
CLOUDS(%) 0 0 0 0 0 0 3 4 0 3 25 40 4 6 10 25 33 44 32 32
VSBY 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 2 3 4 <1 <1 <1 <1 <1 2 5 5 <1
T WIND DIR NE NE N SE W SW SW SW SW SW SW W NW W W SW
T WIND SPD 2 1 1 1 6 5 6 3 3 3 3 3 9 6 8 3
DISPERSION VP VP VP VP VP VP VP VP VP VP VP
ADI 1 1 1 1 19 24 31 2 2 2 2 4 26 39 47 2
MAX LVORI 7 10 10 10 3 2 1 5 7 10 10 9 2 1 1 3
STABILITY G G G A B B B F F F F B B B B G
CEILING None None None None None None None None None
STA PRES 29.38 29.35 29.34 29.25 29.26 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 78 52 73 56 68 59 74 57 77
TEMP 77 67 56 53 70 64 58 57 65 65 63 61 72 66 60 59 75 67
DEWPT 53 54 52 51 54 55 56 57 64 63 62 61 66 64 60 59 64 62
RH 43 63 86 93 57 73 93100 97 93 97100 81 93100100 69 84
WIND SPD <15 <15 <15 <15 <15 <15 <15 <15 <15
AVG CLOUDS SC SC SC SC SC B1 B2 B2 B2 B2 B2 B2 B1 B1 SC SC SC SC
POP 12HR 0 0 20 50 70 60 20 10 10
RAIN SHWRS IS IS SC NM NM 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