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EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Blacksburg VA
801 AM EDT Fri Jul 3 2026
VAZ018-032000-
RAWS 444002
37.56N 80.18W Elev. 2702 ft
801 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 94 72 100 71 96
TEMP 87 93 93 84 75 73 73 77 93 99 94 82 75 72 71 74 90 95 90 79
DEWPT 69 66 66 70 67 66 66 68 68 65 68 69 67 67 66 68 70 68 69 69
MAX/MIN RH 39 80 35 85 42
RH 55 41 41 63 76 79 79 74 44 33 43 65 76 84 84 82 52 42 50 72
WIND DIR E SE NW W NW NW NW NW W W W W W NW N N W SW SW NW
WIND SPD 2 1 2 1 2 1 2 1 1 3 3 2 1 1 0 0 1 3 3 2
CLOUDS CL FW SC FW SC FW FW SC FW B1 SC B1 B1 SC SC FW FW B2 B2 B1
CLOUDS(%) 2 16 34 17 33 18 17 31 17 59 35 51 51 32 28 22 20 73 73 60
VSBY 10 10 10 10 10 8 6 10 10 6 6 6 6 10 10 6 10 10 10 10
POP 12HR 20 5 40 30 60
RAIN SHWRS IS SC SC SC NM NM SC
TSTMS IS SC SC IS SC SC SC
MIX HGT 4 7 5 <1 <1 <1 <1 <1 3 7 4 <1 <1 <1 <1 <1 4 9 3 <1
T WIND DIR E SW W W NW NW NW NW NW W W SW W W W W W SW N SW
T WIND SPD 3 2 3 2 4 4 3 2 5 5 3 4 4 4 5 3 8 9 5 5
DISPERSION VP VP VP VP VP VP VP VP VP
ADI 16 19 23 1 2 2 2 2 24 49 19 2 2 2 3 3 40 80 24 3
MAX LVORI 2 2 2 3 4 4 4 4 2 1 2 3 4 5 5 5 1 1 2 3
STABILITY A A A G G G G A A A A F F G G A A B B F
CEILING None None None None None None None None None 4600
STA PRES 27.93 27.86 27.87 27.84 27.87 27.80 27.79 27.79 27.77 27.76
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 69 92 68 89 68 88 68 89
TEMP 71 73 90 77 70 71 87 76 69 71 86 76 69 71 87 77
DEWPT 68 68 71 70 67 68 70 68 66 66 69 67 65 66 69 68
RH 90 84 54 79 90 90 57 76 90 84 57 74 87 84 55 74
WIND SPD <15 <15 <15 <15 <15 <15 <15 <15
AVG CLOUDS B1 B1 B1 B2 B1 B1 SC B1 B1 SC SC B1 SC SC SC B1
POP 12HR 40 70 40 40 40 50 20 50
RAIN SHWRS SC IS IS NM SC IS SC SC IS SC IS IS SC
TSTMS SC IS SC SC SC IS 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