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EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Blacksburg VA
501 AM EDT Fri Jul 3 2026
NCZ003-032000-
RAWS 310302
36.35N 80.48W Elev. 1076 ft
501 AM EDT Fri Jul 3 2026
Date Fri 07/03/26 Sat 07/04/26 Sun 07/05/26
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 97 73 99 72 97
TEMP 77 90 96 97 91 79 75 73 76 90 97 99 92 80 74 72 75 89 96 95 87
DEWPT 69 70 67 66 69 69 68 67 67 69 65 64 65 65 65 65 67 69 65 64 66
MAX/MIN RH 37 82 32 79 35
RH 76 52 39 36 49 72 79 81 74 50 35 32 41 60 74 79 76 52 36 36 50
WIND DIR W E SE S NW S NW NW NW SW SW S SW S W NW NW S S S SW
WIND SPD 2 2 4 3 2 2 2 2 2 2 4 4 4 4 3 2 2 2 5 4 4
CLOUDS CL FW FW FW FW FW FW FW SC FW SC FW SC FW FW FW FW FW FW SC SC
CLOUDS(%) 2 6 16 16 13 15 14 16 35 19 32 10 26 24 23 15 11 9 19 27 48
VSBY 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10
POP 12HR 10 10 5 10 10
RAIN SHWRS IS
TSTMS IS
MIX HGT <1 4 8 7 <1 <1 <1 <1 <1 3 8 7 <1 <1 <1 <1 <1 4 9 8 <1
T WIND DIR NW E SE S W NW NW NW N E SW S NW E W W NW SW SW SW NW
T WIND SPD 1 6 2 1 2 2 2 2 3 2 2 3 6 1 2 2 1 4 9 10 12
DISPERSION VP VP VP VP VP VP VP VP VP
ADI 1 36 21 10 1 1 1 1 3 10 21 30 3 1 1 1 1 24 96101 8
MAX LVORI 4 1 2 2 2 3 5 5 4 2 2 1 2 3 3 4 4 2 1 1 2
STABILITY A A A A G G G G A A A A F F G G A A A A E
CEILING None None None None None None None None None None
STA PRES 29.04 28.97 28.97 28.95 28.97 28.91 28.92 28.91 28.90 28.86
Date Mon 07/06/26Tue 07/07/26Wed 07/08/26Thu 07/09/26
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 71 94 69 90 68 89 68 89
TEMP 73 73 93 82 71 71 89 81 71 71 86 82 71 71 86 82
DEWPT 68 69 69 71 70 70 70 70 68 69 69 69 68 68 69 69
RH 84 87 46 69 97 97 54 69 90 93 57 65 90 90 57 65
WIND SPD <15 <15 <15 <15 <15 <15 <15 <15
AVG CLOUDS SC SC SC B1 B1 SC SC B1 B1 SC SC B1 B1 SC SC B1
POP 12HR 20 50 40 50 40 40 30 50
RAIN SHWRS IS SC SC SC SC IS SC SC IS IS SC
TSTMS IS SC SC SC IS SC IS 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