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EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Blacksburg VA
801 PM EDT Sat Oct 10 2026
NCZ006-110800-
RAWS 310801
36.37N 79.29W Elev. 580 ft
801 PM EDT Sat Oct 10 2026
Date 10/10/26 Sun 10/11/26 Mon 10/12/26 Tue
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 60 77 62 78 56
TEMP 65 66 67 67 71 74 72 68 64 63 63 63 73 78 77 67 62 60 57 57
DEWPT 64 65 66 67 72 71 67 62 63 63 62 62 67 67 67 65 62 60 57 57
MIN/MAX RH 100 85 100 69 100
RH 97 97 97100103 90 84 81 97100 97 97 81 69 71 93100100100100
WIND DIR E E E E SE S SW SW SW W W W NW NW NW NW NW N N N
WIND SPD 9 8 8 6 6 9 9 8 5 5 6 8 10 11 8 4 1 0 0 0
WIND GUST 19 19 19
CLOUDS OV OV OV OV B2 B2 B1 B1 B1 SC SC FW FW FW FW FW SC FW FW FW
CLOUDS(%) 92 94 94 98 82 73 57 51 62 41 28 11 20 24 19 22 31 16 14 14
VSBY 4 5 2 1 3 4 9 10 9 9 9 9 8 7 7 7 7 7 7 7
POP 12HR 90 70 5 0 0
RAIN SHWRS O NM SC NM NM NM
TSTMS IS IS IS IS SC
MIX HGT <1 <1 <1 <1 1 2 3 <1 <1 <1 <1 1 4 4 4 <1
T WIND DIR E E E SE S S SW SW SW W W W NW NW NW W
T WIND SPD 12 12 9 9 10 26 26 16 10 17 9 8 24 21 14 4
DISPERSION PR PR PR PR PR PR PR VP VP VP VP
ADI 11 11 8 10 17 57 59 14 7 12 4 11 87 83 71 2
MAX LVORI 7 7 8 7 5 4 4 5 6 7 9 6 3 1 3 6
STABILITY D D D D D D D D E E F B C C B F
CEILING 700 600 500 2900 None None None None None
STA PRES 29.48 29.37 29.27 29.20 29.23 29.26 29.31 29.31
Date 10/13Wed 10/14/26Thu 10/15/26Fri 10/16/26Sat 10/17/26
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 82 62 85 61 79 58 76 54 67
TEMP 80 73 65 63 84 75 65 62 76 69 61 58 73 67 58 55 65 57
DEWPT 67 66 63 61 69 68 64 61 66 63 59 57 62 61 54 50 50 48
RH 65 79 93 93 61 79 97 97 71 81 93 96 68 81 86 83 58 72
WIND SPD <15 <15 <15 <15 <15 <15 <15 <15 <15
AVG CLOUDS FW CL CL CL CL CL FW FW FW SC SC SC B1 FW SC FW SC SC
POP 12HR 0 0 0 0 5 10 10 10 10
$$
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
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