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EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Blacksburg VA
231 PM EDT Sun Sep 6 2026
NCZ003-070800-
RAWS 310301
36.48N 80.86W Elev. 1300 ft
231 PM EDT Sun Sep 6 2026
Date 09/06/26 Mon 09/07/26 Tue 09/08/26 Wed
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 63 76 60 81 61
TEMP 79 75 70 67 65 65 71 75 75 73 67 64 62 62 72 78 80 74 66 63 61 64
DEWPT 73 69 67 65 64 64 66 65 65 64 62 60 60 61 65 65 66 65 63 60 59 61
MIN/MAX RH 100 71 98 62 94
RH 82 82 90 93 97 97 84 71 71 73 84 87 93 97 79 64 62 74 90 90 93 90
WIND DIR E E E E E E E E E E N N N N SE SE S N N N N N
WIND SPD 8 4 4 3 3 3 5 5 4 1 0 0 0 0 3 4 3 0 0 0 0 0
CLOUDS OV B2 B2 B2 B1 B1 B1 SC SC FW SC SC SC SC SC SC FW FW FW FW FW SC
CLOUDS(%) 88 82 77 78 69 53 59 49 45 16 28 42 48 45 34 27 18 12 12 22 23 29
VSBY 10 10 9 9 9 7 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10
POP 12HR 30 10 5 0 0
RAIN SHWRS SC IS IS SC IS
TSTMS SC
MIX HGT 2 <1 <1 <1 <1 <1 2 4 4 <1 <1 <1 <1 <1 3 4 4 <1
T WIND DIR E E E E E E E SE W W N E E E SE S S S
T WIND SPD 11 14 11 11 10 9 13 8 1 2 2 2 3 4 6 5 4 2
DISPERSION VP VP VP VP VP VP VP VP VP VP VP VP
ADI 28 10 8 5 5 10 39 37 6 1 1 1 2 4 24 29 23 1
MAX LVORI 3 4 5 6 7 8 4 3 3 3 6 6 7 7 3 3 2 3
STABILITY C E E F F B C A A G G F F A A A A G
CEILING 2000 3500 3700 None None None None None None None
STA PRES 28.06 28.13 28.18 28.25 28.26 28.30 28.35 28.41 28.38
Date 09/09Thu 09/10/26Fri 09/11/26Sat 09/12/26Sun 09/13/26
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 85 64 88 65 85 62 84 64 86
TEMP 83 79 68 67 86 79 68 67 82 76 65 65 81 76 68 66 84 78
DEWPT 68 68 65 65 69 70 67 66 68 68 64 64 69 69 65 65 69 68
RH 61 69 90 93 57 74 97 97 63 76 97 97 67 79 90 97 61 71
WIND SPD <15 <15 <15 <15 <15 <15 <15 <15 <15
AVG CLOUDS SC FW FW FW FW B1 SC SC SC B1 SC SC SC B1 FW SC SC B1
POP 12HR 0 0 40 20 50 20 40 20 30
RAIN SHWRS SC IS IS SC IS IS SC IS SC
TSTMS SC IS SC SC 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