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EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Blacksburg VA
131 AM EDT Fri Oct 9 2026
NCZ003-100800-
RAWS 310302
36.35N 80.48W Elev. 1076 ft
131 AM EDT Fri Oct 9 2026
Date 10/08/26 Fri 10/09/26 Sat 10/10/26 Sun
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 54 76 57 60 58
TEMP 62 60 54 67 73 73 63 60 58 57 58 58 60 58 58 58 58 58 58
DEWPT 47 45 47 51 50 52 52 52 51 49 50 54 55 55 56 58 58 58 58
MIN/MAX RH 77 42 83 75 100
RH 58 58 77 56 44 48 67 75 77 75 75 86 84 90 93100100100100
WIND DIR NE NE N NE E E E NE NE NE NE NE E E E NE NE NE NE
WIND SPD 3 4 4 2 3 2 1 1 3 4 6 8 8 9 14 16 17 17 16
WIND GUST 18 21 25 26
CLOUDS B2 OV OV OV OV OV B2 B2 B2 OV B2 OV OV OV OV OV OV OV OV
CLOUDS(%) 85 91 89 91 88 88 79 82 87 94 83 90 94 93 95 92 95 95 98
VSBY 10 10 10 10 10 10 10 10 10 10 10 10 7 10 9 8 4 3
POP 12HR 0 0 10 60 90
RAIN S S L L D D D D D
MIX HGT <1 <1 <1 1 3 2 <1 <1 <1 <1 <1 2 2 2 <1
T WIND DIR N N N NE E SE N N N N NE E E E E
T WIND SPD 3 3 2 9 5 2 2 2 2 3 3 8 11 9 11
DISPERSION VP VP VP VP VP VP GD GD GD GD
ADI 2 2 2 18 22 6 1 1 1 2 3 13 24 17 10
MAX LVORI 3 3 4 2 2 2 3 3 4 3 4 4 3 3 5
STABILITY F F B B B B F F F E C D D D D
CEILING 27800 26400 24500 17200 14500 6600 700 700
STA PRES 29.12 29.19 29.19 29.24 29.28 29.32 29.28
Date 10/11Mon 10/12/26Tue 10/13/26Wed 10/14/26Thu 10/15/26
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 67 61 77 58 81 57 76 54 73
TEMP 64 65 62 62 74 68 60 59 78 71 61 58 74 66 56 54 70 64
DEWPT 64 65 62 62 66 64 60 59 65 63 60 57 61 60 56 54 59 59
RH 100100100100 76 87100100 64 76 97 96 64 81100100 68 84
WIND SPD <15 <15 <15 <15 <15 <15 <15 <15 <15
AVG CLOUDS OV OV B2 B1 SC SC FW FW FW FW FW FW FW FW FW FW FW SC
POP 12HR 100 50 10 0 0 0 5 5 5
RAIN D D C S
$$
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