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EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Blacksburg VA
731 AM EDT Wed Jul 8 2026
NCZ003-082000-
RAWS 310301
36.48N 80.86W Elev. 1300 ft
731 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 88 67 88 67 90
TEMP 71 84 85 83 80 73 70 68 71 81 86 86 81 73 69 67 72 84 88 86 81
DEWPT 70 74 73 74 74 72 69 68 70 72 71 71 71 69 67 66 69 72 70 71 71
MAX/MIN RH 65 100 60 96 56
RH 97 72 67 74 82 97 97100 97 74 61 61 72 87 93 97 90 67 55 61 72
WIND DIR N N S SE N N N N N W W W W NW NW W W W W W W
WIND SPD 1 0 2 2 0 0 0 0 0 3 5 5 2 1 1 1 1 4 6 6 3
WIND GUST 13
CLOUDS SC SC B2 B2 B1 B1 B1 SC SC SC SC B1 FW FW FW FW FW FW B1 B1 SC
CLOUDS(%) 33 35 83 75 68 59 61 39 26 38 48 51 16 15 15 13 15 21 59 59 47
VSBY 9 10 10 10 10 10 6 8 10 10 10 10 10 10 10 9 10 10 10 10 10
POP 12HR 50 40 40 0 40
RAIN SHWRS IS SC SC SC SC IS SC SC SC
TSTMS IS SC SC SC SC IS SC SC SC
MIX HGT <1 4 4 2 <1 <1 <1 <1 <1 5 6 5 <1 <1 <1 <1 <1 5 4 4 <1
T WIND DIR N NW NW S E E NW N NW NW W W W NW NW W W W SW W NW
T WIND SPD 6 6 4 2 9 6 3 3 3 9 10 12 9 3 3 5 6 20 12 24 5
DISPERSION VP VP VP VP VP VP VP VP VP
ADI 7 35 23 7 4 3 2 2 3 54 75 54 4 2 2 3 8128 50 86 3
MAX LVORI 6 3 3 3 5 8 8 10 9 3 1 1 3 6 7 8 5 1 1 1 3
STABILITY A A B B F F F G A A A C G G G G A A C C F
CEILING None 2900 3900 None None None None None None 3700
STA PRES 28.15 28.11 28.13 28.11 28.11 28.06 28.08 28.08 28.08 28.03
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 67 86 65 83 63 83 63 88
TEMP 70 72 83 78 68 69 80 77 68 68 80 78 66 68 85 81
DEWPT 68 69 72 71 67 68 70 69 65 65 67 68 63 64 65 68
RH 93 90 70 79 97 97 72 76 90 90 65 71 90 87 51 65
WIND SPD <15 <15 <15 <15 <15 <15 <15 <15
AVG CLOUDS SC B1 B2 B2 B1 B2 B1 B2 B1 B1 B1 B1 SC FW SC SC
POP 12HR 20 70 30 70 40 40 10 10
RAIN SHWRS IS NM 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