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EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Blacksburg VA
1001 PM EDT Wed Jul 15 2026
VAZ018-160800-
RAWS 444002
37.56N 80.18W Elev. 2702 ft
1001 PM EDT Wed Jul 15 2026
Date 07/15/26 Thu 07/16/26 Fri 07/17/26 Sat
UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12
EDT 3hrly 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08
MIN/MAX TEMP 70 97 72 94 71
TEMP 76 72 70 74 88 94 94 84 78 75 72 75 87 92 90 81 76 73 71 74
DEWPT 65 65 65 66 70 68 67 68 66 66 66 67 68 68 68 68 66 67 66 68
MIN/MAX RH 82 40 80 44 84
RH 69 79 84 76 55 43 41 59 67 74 81 76 53 46 49 65 71 81 84 82
WIND DIR NW NW NW NW N NW W NW NW NW NW NE E SE SE SE NW N W W
WIND SPD 2 2 3 3 2 1 2 2 2 2 2 1 2 2 3 1 1 0 1 1
CLOUDS FW SC FW FW SC SC SC SC SC FW FW SC FW SC SC B1 B1 SC SC B1
CLOUDS(%) 6 29 19 25 27 35 35 46 36 22 23 45 22 37 37 57 60 49 47 53
VSBY 10 10 8 9 10 10 10 10 10 9 8 10 10 10 10 10
POP 12HR 0 0 0 20 30
RAIN SHWRS IS IS SC SC SC
TSTMS IS IS SC IS
MIX HGT <1 <1 <1 <1 3 6 6 <1 <1 <1 <1 <1 3 6 6 <1
T WIND DIR W NW NW NW N W W W NW NW NW NW E SE SE E
T WIND SPD 4 5 4 3 1 1 3 4 5 4 3 2 5 2 4 5
DISPERSION VP VP VP VP VP VP VP VP VP VP VP
ADI 2 3 2 3 5 8 25 2 3 2 2 2 26 16 32 3
MAX LVORI 3 4 5 4 3 2 2 3 3 3 5 4 2 2 1 3
STABILITY G G G A A A A F G G G A A A A F
CEILING None None None None None None None None
STA PRES 27.83 27.85 27.79 27.82 27.85 27.88 27.82
Date 07/18Sun 07/19/26Mon 07/20/26Tue 07/21/26Wed 07/22/26
UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00
EDT 6hrly 14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20
MAX/MIN TEMP 91 70 87 66 87 68 90 68 86
TEMP 89 77 72 72 85 78 69 68 84 78 70 71 87 80 71 70 84 76
DEWPT 71 71 69 69 71 68 65 64 66 66 64 66 68 67 66 66 66 63
RH 56 82 90 90 63 71 87 87 55 67 81 84 53 65 84 87 55 64
WIND SPD <15 <15 <15 <15 <15 <15 <15 <15 <15
AVG CLOUDS B1 B2 B1 B1 B1 B1 SC FW SC SC SC SC B1 B1 SC FW SC SC
POP 12HR 80 30 40 10 20 10 30 20 20
RAIN SHWRS SC O SC IS SC IS IS SC IS IS
TSTMS IS SC SC IS SC IS IS SC IS
$$
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
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