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EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Blacksburg VA
801 AM EDT Tue Oct 13 2026
NCZ003-132000-
RAWS 310302
36.35N 80.48W Elev. 1076 ft
801 AM EDT Tue Oct 13 2026
Date Tue 10/13/26 Wed 10/14/26 Thu 10/15/26
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 82 58 84 62 83
TEMP 69 76 78 72 67 64 62 60 73 81 82 75 67 64 63 63 76 82 80 71
DEWPT 62 62 62 62 61 60 59 58 63 62 62 63 63 62 61 62 68 68 68 67
MAX/MIN RH 56 94 49 97 63
RH 78 62 58 71 81 87 90 93 71 53 51 66 87 93 93 97 76 63 67 87
WIND DIR W SW SW SW W W NW W W SW SW SW W W NW NW NE S SE E
WIND SPD 3 3 4 3 2 2 3 3 3 4 4 3 1 2 2 2 2 3 3 2
CLOUDS SC CL CL CL CL CL CL CL CL CL CL FW FW FW FW FW FW SC SC SC
CLOUDS(%) 33 1 4 1 1 1 3 2 2 2 4 10 9 9 13 20 24 42 44 44
VSBY 10 10 10 10 10 10 10 8 7 7 7 7 7 7 7 7 10 10 10 10
POP 12HR 0 0 0 0 20
RAIN SHWRS IS IS
MIX HGT 1 3 3 <1 <1 <1 <1 <1 1 3 3 <1 <1 <1 <1 <1 2 3 3 <1
T WIND DIR NW W SW SW SW W W W W W SW SW W W W W NW SW SW W
T WIND SPD 3 6 8 4 3 2 2 2 3 8 10 3 3 2 2 2 4 5 9 2
DISPERSION VP VP VP VP VP VP VP VP VP
ADI 5 25 26 2 2 1 1 2 6 30 34 2 2 1 1 2 10 20 31 1
MAX LVORI 4 2 2 3 5 6 7 6 3 1 1 3 6 7 7 8 4 2 3 7
STABILITY B B B G G G G B B B B G G G G B B B B F
CEILING None None None None None None None None None None
STA PRES 29.01 28.96 29.00 29.01 29.02 28.99 29.01 29.01 29.02 28.97
Date Fri 10/16/26Sat 10/17/26Sun 10/18/26Mon 10/19/26
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 62 83 46 62 37 61 39 67
TEMP 65 63 79 64 52 46 56 49 41 38 56 51 42 40 61 57
DEWPT 64 63 65 54 41 37 37 37 34 32 37 39 36 36 47 49
RH 97100 62 70 66 71 49 63 76 79 49 63 79 85 60 75
WIND SPD <15 <15 15> <15 <15 <15 <15 <15
AVG CLOUDS SC SC FW FW FW FW CL CL CL CL CL CL CL FW FW FW
POP 12HR 10 5 5 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