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EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Blacksburg VA
301 PM EDT Tue Sep 8 2026
VAZ018-090800-
RAWS 444002
37.56N 80.18W Elev. 2702 ft
301 PM EDT Tue Sep 8 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 62 87 66 88 67
TEMP 80 68 64 63 62 63 78 85 84 74 70 69 67 68 81 86 84 74 71 69 68 67
DEWPT 61 60 59 58 57 58 63 63 62 62 60 59 59 60 66 67 67 65 65 66 65 66
MIN/MAX RH 85 45 77 53 96
RH 52 76 84 84 84 84 60 48 48 66 71 70 75 76 60 53 57 74 81 90 90 97
WIND DIR S E SW W W W SW SW SW SW SW W W W W W W W W W NW NW
WIND SPD 2 2 3 3 2 2 2 3 3 3 5 5 5 5 8 6 8 5 4 3 2 2
WIND GUST 18 18 18 19 24 20 21 18 14
CLOUDS B1 FW FW SC FW SC FW SC SC SC FW CL CL CL FW SC SC B1 B1 B1 B1 B2
CLOUDS(%) 57 25 9 31 24 30 17 42 28 31 17 3 1 1 13 29 31 68 68 58 62 70
VSBY 10 10 10 10 9 6 10 10 10 10 10 10 10 7 8 10 10 10
POP 12HR 0 0 0 20 50
RAIN SHWRS IS IS SC SC IS IS SC
TSTMS IS IS
MIX HGT 6 <1 <1 <1 <1 <1 4 7 6 <1 <1 <1 <1 <1 4 6 6 <1
T WIND DIR S S S SW SW SW W SW SW SW SW SW W W W W W SW
T WIND SPD 4 10 6 4 4 3 9 9 11 9 8 8 6 6 23 20 14 3
DISPERSION VP VP VP VP VP PR PR PR PR VP VP VP
ADI 20 5 3 2 2 4 40 65 76 4 4 4 3 7120134 97 2
MAX LVORI 2 4 5 5 5 5 1 1 1 3 3 3 4 4 1 1 1 3
STABILITY C G G G G B B B B G F F F B B B B E
CEILING None None None None None None None None 4800
STA PRES 28.03 28.03 28.02 27.94 27.90 27.87 27.86 27.77
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 83 65 81 66 86 66 86 64 86
TEMP 81 73 68 67 77 72 68 67 82 74 68 67 83 74 67 66 83 74
DEWPT 69 66 64 65 71 69 67 67 71 68 66 64 68 65 63 63 68 66
RH 67 79 87 93 82 90 97100 69 82 93 90 61 74 87 90 61 76
WIND SPD <15 <15 <15 <15 <15 <15 <15 <15 <15
AVG CLOUDS B2 B2 B1 B2 B2 B2 B1 B1 B1 B1 SC SC SC B1 FW SC FW B1
POP 12HR 60 40 80 20 30 5 30 5 30
RAIN SHWRS SC NM SC SC SC O IS SC SC SC
TSTMS SC IS SC IS IS 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