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EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Blacksburg VA
801 AM EDT Wed Jul 8 2026
NCZ003-082000-
RAWS 310302
36.35N 80.48W Elev. 1076 ft
801 AM EDT Wed Jul 8 2026
Date Wed 07/08/26 Thu 07/09/26 Fri 07/10/26
UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00
EDT 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20
MAX/MIN TEMP 89 69 89 69 90
TEMP 81 86 86 81 74 71 70 71 81 86 86 82 74 71 69 72 82 87 89 83
DEWPT 73 72 73 73 73 71 70 71 72 71 71 70 70 68 67 69 71 70 70 70
MAX/MIN RH 60 100 56 94 53
RH 77 63 65 77 97100100100 74 61 61 67 87 90 93 90 69 57 54 65
WIND DIR NE SW E E E NW W W W W W W W W W W W W W W
WIND SPD 2 3 2 2 2 2 2 3 4 5 5 4 4 4 4 4 5 6 8 5
CLOUDS SC B2 B1 B1 B1 SC FW SC FW SC B1 FW FW FW FW FW FW B1 B1 B1
CLOUDS(%) 28 78 67 65 57 44 24 33 15 34 52 25 18 17 15 13 23 55 55 54
VSBY 10 10 10 10 10 7 6 8 10 10 10 10 10 10 10 10 10 10 10 10
POP 12HR 40 40 30 5 30
RAIN SHWRS SC SC SC SC SC SC SC
TSTMS SC SC SC SC SC SC SC
MIX HGT 4 5 3 <1 <1 <1 <1 <1 4 6 5 <1 <1 <1 <1 <1 5 4 5 <1
T WIND DIR N N E E N N NW N W W W W W W W W W W SW NW
T WIND SPD 5 3 1 9 4 3 2 1 5 11 13 9 3 2 3 4 17 16 26 8
DISPERSION VP VP VP VP VP VP VP VP PR
ADI 28 20 5 4 2 2 1 1 30 87 55 4 2 1 2 4100 57109 5
MAX LVORI 3 2 3 4 8 10 10 10 3 1 1 3 5 7 7 6 3 1 1 3
STABILITY A B B F F F G A A A C F F F F A A C C E
CEILING None 5700 3200 None None None None None None None
STA PRES 28.96 28.92 28.93 28.92 28.92 28.86 28.87 28.89 28.90 28.83
Date Sat 07/11/26Sun 07/12/26Mon 07/13/26Tue 07/14/26
UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00
EDT 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20
MIN/MAX TEMP 70 87 67 82 65 83 65 88
TEMP 71 72 83 78 69 69 80 76 68 67 80 78 67 67 85 82
DEWPT 69 69 71 70 69 68 69 68 66 66 66 66 64 64 64 66
RH 93 90 67 76100 97 69 76 93 97 62 67 90 90 50 58
WIND SPD <15 <15 <15 <15 <15 <15 <15 <15
AVG CLOUDS SC B1 B1 B2 B1 B1 B1 B2 B1 B1 B1 B1 SC FW FW FW
POP 12HR 10 70 30 60 50 40 10 5
RAIN SHWRS SC NM SC SC SC NM SC SC SC SC
TSTMS IS SC SC IS SC SC SC
$$
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