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EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Blacksburg VA
201 AM EDT Wed Sep 9 2026
NCZ003-100800-
RAWS 310302
36.35N 80.48W Elev. 1076 ft
201 AM EDT Wed Sep 9 2026
Date 09/08/26 Wed 09/09/26 Thu 09/10/26 Fri
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 61 85 64 90 68
TEMP 62 62 75 82 85 78 70 67 65 65 79 86 89 81 73 70 68 69
DEWPT 60 60 64 65 65 65 63 62 62 62 66 66 66 66 66 66 66 66
MIN/MAX RH 93 52 90 47 93
RH 93 93 69 56 51 64 78 84 90 90 64 51 47 60 79 87 93 90
WIND DIR W SW SW SW SW S S SW SW SW SW SW SW SW SW W W NW
WIND SPD 1 2 4 5 4 3 4 4 4 4 5 6 6 4 4 3 2 3
CLOUDS FW FW FW FW FW FW FW FW FW FW FW CL FW FW FW FW SC SC
CLOUDS(%) 22 24 8 11 12 23 12 6 11 15 6 5 19 20 22 20 33 32
VSBY 9 9 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10
POP 12HR 0 0 0 5 0
MIX HGT <1 <1 3 5 5 <1 <1 <1 <1 <1 2 6 7 <1 <1 <1 <1 <1
T WIND DIR NW NW SW SW SW SW SW SW SW SW W W W SW SW SW SW W
T WIND SPD 1 1 10 8 9 5 4 4 3 3 10 12 9 3 3 3 2 1
DISPERSION VP VP VP VP VP VP VP VP VP
ADI 1 1 34 46 52 3 2 2 2 4 32 88 68 2 2 2 1 1
MAX LVORI 8 7 3 1 1 3 4 5 7 6 3 1 1 3 4 6 7 7
STABILITY G B B B B G F F F B B B B F F G G B
CEILING None None None None None None None None None
STA PRES 29.21 29.21 29.11 29.07 29.03 29.01 28.92 28.92 28.91
Date 09/11Sat 09/12/26Sun 09/13/26Mon 09/14/26Tue 09/15/26
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 88 67 84 67 87 68 87 68 87
TEMP 87 75 69 69 80 76 69 69 84 78 70 69 84 79 70 69 84 79
DEWPT 69 71 69 69 72 72 69 69 72 71 69 68 70 70 68 67 70 70
RH 55 87100100 77 87100100 67 79 97 97 63 74 93 93 63 74
WIND SPD <15 <15 <15 <15 <15 <15 <15 <15 <15
AVG CLOUDS SC B2 B1 B2 B2 B2 B1 B1 B1 B1 SC SC FW SC FW FW SC B1
POP 12HR 60 50 70 50 30 10 20 10 30
RAIN SHWRS NM SC IS NM SC SC IS SC
TSTMS SC SC IS SC IS SC IS 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