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EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Blacksburg VA
131 PM EDT Tue Jul 14 2026
VAZ018-142000-
RAWS 444002
37.56N 80.18W Elev. 2702 ft
131 PM EDT Tue Jul 14 2026
Date Tue 07/14/26 Wed 07/15/26 Thu 07/16/26
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 87 64 96 69 97
TEMP 85 87 78 69 66 65 68 85 93 94 82 75 72 69 73 88 94 96 85
DEWPT 64 63 65 60 59 59 62 68 66 64 67 64 65 64 66 69 66 65 67
MAX/MIN RH 45 82 37 83 37
RH 50 45 64 73 78 81 81 57 41 37 61 69 79 84 79 54 40 36 55
WIND DIR E E NW W NW NW NW N N NW NW W NW NW NW N E SW W
WIND SPD 3 2 2 2 2 2 3 2 2 2 2 2 2 2 3 2 2 3 2
CLOUDS CL CL FW CL CL FW FW FW FW FW FW SC FW FW SC FW FW FW SC
CLOUDS(%) 3 2 6 2 0 6 12 9 6 12 13 27 25 16 29 19 20 20 30
VSBY 10 10 10 10 8 5 0 10 10 10 10 10 10 10 10 10 10 10 10
POP 12HR 0 0 0 0 0
MIX HGT 5 4 <1 <1 <1 <1 <1 2 5 5 <1 <1 <1 <1 <1 3 7 7 <1
T WIND DIR E E S W W W NW N N NW W NW NW NW NW SE SW SW SW
T WIND SPD 5 4 1 3 4 4 4 9 2 3 4 5 4 4 2 3 2 3 2
DISPERSION VP VP VP VP VP VP VP VP VP
ADI 33 25 1 2 2 2 4 28 14 22 2 3 2 2 2 15 18 30 1
MAX LVORI 1 2 3 3 4 5 4 2 2 2 3 3 4 5 4 2 2 2 2
STABILITY A A G G G G A A A A G G G G A A A A G
CEILING None None None None None None None None None
STA PRES 27.93 27.93 27.90 27.91 27.83 27.85 27.86 27.87 27.81
Date Fri 07/17/26Sat 07/18/26Sun 07/19/26Mon 07/20/26
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 70 90 69 89 68 90
TEMP 74 75 93 79 72 73 88 76 72 72 88 77 70 71 87 80
DEWPT 65 67 68 69 66 68 71 70 68 69 71 68 67 68 68 68
RH 74 76 44 72 81 84 57 82 87 90 57 74 90 90 53 67
WIND SPD <15 <15 <15 <15 <15 <15 <15 <15
AVG CLOUDS FW FW FW B1 B1 SC SC B2 B1 B1 B1 SC SC SC SC SC
POP 12HR 0 30 30 70 20 30 10 20
RAIN SHWRS SC SC IS NM IS SC IS
TSTMS SC SC IS SC 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