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EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Blacksburg VA
131 AM EDT Tue Oct 13 2026
NCZ003-140800-
RAWS 310301
36.48N 80.86W Elev. 1300 ft
131 AM EDT Tue Oct 13 2026
Date 10/12/26 Tue 10/13/26 Wed 10/14/26 Thu
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 56 83 58 86 62
TEMP 62 61 58 71 79 81 72 67 64 62 60 74 82 84 76 67 64 63 64
DEWPT 55 55 55 63 62 63 62 60 58 57 58 64 63 63 63 64 62 61 62
MIN/MAX RH 91 52 92 48 95
RH 78 81 90 76 56 54 71 78 81 84 93 71 53 49 64 90 93 93 93
WIND DIR NW NW W W SW SW NW NW W W W NW SW SW W N NW NW NW
WIND SPD 3 4 5 4 3 3 3 2 2 2 3 2 3 3 2 0 1 1 1
CLOUDS CL CL FW FW CL CL CL CL CL CL CL CL CL FW CL FW FW FW SC
CLOUDS(%) 1 4 19 7 5 2 1 1 2 2 3 1 3 7 4 11 14 21 30
VSBY 10 10 10 10 10 10 10 10 10 10 7 7 7 7 7 7 7 7 7
POP 12HR 0 0 0 0 0
MIX HGT <1 <1 <1 1 4 2 <1 <1 <1 <1 <1 2 4 2 <1
T WIND DIR NW NW NW NW W W SW NW NW NW NW NW NW SW W
T WIND SPD 6 6 8 4 8 11 3 4 4 4 5 14 9 8 3
DISPERSION VP VP VP VP VP VP VP VP VP VP
ADI 3 3 8 8 38 32 2 2 2 2 6 37 40 25 2
MAX LVORI 8 8 6 3 1 1 6 6 6 6 5 3 1 2 6
STABILITY G G B A B B G G G G B A B B G
CEILING None None None None None None None None
STA PRES 28.15 28.18 28.14 28.16 28.17 28.21 28.17
Date 10/15Fri 10/16/26Sat 10/17/26Sun 10/18/26Mon 10/19/26
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 83 63 82 44 61 37 61 39 67
TEMP 82 72 65 64 80 63 50 45 56 52 41 37 57 51 43 40 62 57
DEWPT 70 69 65 62 65 55 41 36 38 38 34 32 39 41 36 35 48 50
RH 67 90100 93 60 75 71 70 51 59 76 82 51 68 76 82 60 77
WIND SPD <15 <15 <15 <15 <15 <15 <15 <15 <15
AVG CLOUDS SC B1 SC SC FW SC FW FW FW CL CL CL CL CL FW FW FW SC
POP 12HR 30 10 5 0 0 0 0 0 5
RAIN SHWRS SC
TSTMS 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