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EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Blacksburg VA
231 AM EDT Thu Jul 9 2026
VAZ012-100800-
RAWS 447502
37.01N 81.18W Elev. 2540 ft
231 AM EDT Thu Jul 9 2026
Date 07/08/26 Thu 07/09/26 Fri 07/10/26 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 62 84 62 82 62
TEMP 64 65 74 78 78 72 66 65 64 65 74 77 77 72 67 65 63 65
DEWPT 64 65 68 68 68 66 65 64 64 65 69 68 68 66 65 65 63 65
MIN/MAX RH 100 64 100 68 100
RH 100100 82 71 71 81 97 97100100 84 74 74 81 93100100100
WIND DIR W W W W W W W W W W W W W W W W W W
WIND SPD 3 3 3 4 3 2 2 3 3 4 3 4 3 3 3 3 3 3
CLOUDS SC SC B1 B1 B1 SC SC B1 B1 B1 B1 OV B1 B2 B2 B2 B2 B2
CLOUDS(%) 36 47 54 63 64 33 36 51 64 63 68 90 59 73 73 80 80 81
VSBY 10 10 10 10 10 10 10 8 9 10 10 10 10 10 10 5 5 7
POP 12HR 20 70 20 80 70
RAIN SHWRS SC SC IS SC O SC NM NM NM NM NM
TSTMS SC SC IS IS SC SC IS IS IS IS
MIX HGT <1 1 3 4 3 <1 <1 <1 <1 1 2 2 3 1
T WIND DIR W W W W W W W W W W W W SW W
T WIND SPD 5 11 13 16 17 11 4 4 5 4 13 17 23 13
DISPERSION VP VP VP VP VP VP VP VP VP
ADI 3 18 53 61 69 5 2 2 3 7 37 49 85 6
MAX LVORI 9 5 3 3 3 5 9 9 9 8 4 3 1 4
STABILITY F B A C B G G G G B B C B F
CEILING None None None None 100 100 1800 900
STA PRES 27.25 27.26 27.24 27.26 27.26 27.28 27.24
Date 07/11Sun 07/12/26Mon 07/13/26Tue 07/14/26Wed 07/15/26
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 79 59 80 58 79 56 84 59 89
TEMP 74 70 62 63 75 71 62 60 74 71 60 60 79 75 61 62 83 79
DEWPT 68 66 62 63 66 64 61 60 61 61 58 59 60 61 58 61 62 64
RH 82 87100100 74 79 97100 64 71 93 96 52 62 90 97 49 60
WIND SPD <15 <15 <15 <15 <15 <15 <15 <15 <15
AVG CLOUDS B2 B2 B2 B2 B2 B2 B1 B1 B2 B1 SC SC FW FW FW FW FW FW
POP 12HR 80 50 60 30 40 5 10 5 10
RAIN SHWRS NM O SC SC SC NM SC SC SC
TSTMS IS SC SC IS 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