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EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Blacksburg VA
701 AM EDT Sun Oct 11 2026
NCZ006-112000-
RAWS 310801
36.37N 79.29W Elev. 580 ft
701 AM EDT Sun Oct 11 2026
Date Sun 10/11/26 Mon 10/12/26 Tue 10/13/26
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 77 60 79 54 83
TEMP 68 71 75 74 66 63 62 61 63 73 78 78 67 62 59 56 55 73 81 82 73
DEWPT 68 71 73 68 63 63 62 61 61 67 66 67 64 62 59 56 55 65 66 67 65
MAX/MIN RH 82 100 67 100 57
RH 100100 94 82 90100100100 93 81 67 69 90100100100100 76 60 61 76
WIND DIR E SE S SW SW SW SW W W NW NW NW NW NW N N N SW SW SW SW
WIND SPD 5 6 10 12 9 6 5 6 6 10 10 8 3 1 0 0 0 1 3 4 3
WIND GUST 17 19 20
CLOUDS OV OV B2 B1 SC B1 B1 SC CL FW FW FW FW FW FW CL FW CL CL CL CL
CLOUDS(%) 100100 83 56 44 52 64 38 5 10 11 12 24 16 6 3 6 1 1 2 2
VSBY 3 6 9 10 10 10 10 10 10 8 7 7 7 7 7 7 7 10 10 10 10
POP 12HR 60 5 0 0 0
RAIN SHWRS SC SC SC
MIX HGT <1 1 2 3 <1 <1 <1 <1 1 4 5 4 <1 <1 <1 <1 <1 2 4 4 <1
T WIND DIR SE SE SE S SW SW SW W W NW NW NW NW NW W SW SW SW W SW S
T WIND SPD 10 10 17 21 11 11 18 14 8 26 19 14 3 4 3 2 3 4 8 10 5
DISPERSION PR PR PR PR VP VP VP VP VP
ADI 11 16 35 67 8 5 12 7 13 96 78 71 2 2 2 1 3 10 39 45 3
MAX LVORI 7 5 4 4 5 9 5 8 5 3 1 1 7 9 10 10 9 4 1 1 4
STABILITY D D D C E F E F B C C B G G G G A A B B G
CEILING 600 1300 2700 None None None None None None None
STA PRES 29.31 29.18 29.19 29.20 29.29 29.31 29.36 29.39 29.40 29.36
Date Wed 10/14/26Thu 10/15/26Fri 10/16/26Sat 10/17/26
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 60 87 62 79 57 78 53 65
TEMP 65 61 86 76 66 63 77 70 62 58 75 68 59 54 63 53
DEWPT 62 60 69 68 64 61 66 63 59 58 63 60 55 50 49 44
RH 90 97 57 76 93 93 69 78 90100 66 76 87 86 60 71
WIND SPD <15 <15 <15 <15 <15 <15 <15 <15
AVG CLOUDS CL CL CL CL CL FW SC SC B1 SC B1 SC SC SC SC SC
POP 12HR 0 0 0 5 10 10 20 10
RAIN SHWRS 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