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EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Blacksburg VA
331 AM EDT Fri Jul 3 2026
VAZ012-032000-
RAWS 447502
37.01N 81.18W Elev. 2540 ft
331 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 91 67 98 65 94
TEMP 68 70 85 90 91 80 69 67 67 71 86 92 92 80 71 67 66 69 85 91 87 77
DEWPT 62 66 67 63 65 67 65 63 62 67 68 64 65 65 65 64 63 67 68 66 66 67
MAX/MIN RH 40 90 35 95 43
RH 81 87 55 41 42 65 87 87 84 87 55 40 41 60 81 90 90 93 57 44 50 71
WIND DIR N N NE SE N N N N N N N W SW W N N N N SW SW W NW
WIND SPD 0 1 1 1 1 0 0 0 0 0 0 1 1 1 0 0 0 0 1 2 1 1
CLOUDS FW FW FW SC B1 SC SC FW FW FW FW B1 B1 SC SC SC SC FW FW B2 B2 B1
CLOUDS(%) 10 16 8 38 54 27 42 15 22 22 13 56 52 35 35 27 26 20 20 75 75 56
VSBY 10 10 10 10 10 10 10 10 5 10 10 6 6 7 7 10 10 10 10 10 10 10
POP 12HR 40 5 30 20 60
RAIN SHWRS IS SC SC SC IS IS NM NM SC
TSTMS IS SC SC SC IS SC SC SC
MIX HGT <1 <1 4 8 4 <1 <1 <1 <1 <1 4 7 4 <1
T WIND DIR NW W N W E SW W W W W NW W W SW
T WIND SPD 3 1 0 1 2 3 3 3 3 2 5 3 4 6
DISPERSION VP VP VP VP VP VP VP VP VP VP
ADI 2 1 0 10 11 2 2 2 2 2 31 26 22 3
MAX LVORI 4 6 3 2 2 3 5 5 5 5 1 2 2 3
STABILITY G A A A B F G G G A A B B F
CEILING None None None None None None None
STA PRES 27.42 27.36 27.35 27.34 27.34 27.29
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 64 90 63 86 62 86 62 87
TEMP 66 67 84 78 65 66 81 77 65 66 80 77 64 65 81 77
DEWPT 64 67 68 68 65 66 68 66 63 66 66 65 63 65 67 66
RH 93100 59 71100100 65 69 93100 62 67 97100 63 69
WIND SPD <15 <15 <15 <15 <15 <15 <15 <15
AVG CLOUDS B1 SC B1 B2 B1 SC B1 B2 B1 SC B1 B1 SC SC B1 B2
POP 12HR 30 70 40 60 30 50 20 60
RAIN SHWRS SC SC NM SC SC NM SC SC SC IS SC NM
TSTMS SC IS SC SC IS 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