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EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Blacksburg VA
1031 AM EDT Thu Jul 9 2026
NCZ003-092000-
RAWS 310301
36.48N 80.86W Elev. 1300 ft
1031 AM EDT Thu Jul 9 2026
Date Thu 07/09/26 Fri 07/10/26 Sat 07/11/26
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 89 67 89 67 84
TEMP 81 86 86 81 73 69 68 72 83 88 85 80 73 70 68 71 78 81 81 77
DEWPT 72 70 70 70 68 67 66 68 72 71 71 71 69 67 67 69 73 73 72 72
MAX/MIN RH 58 94 58 95 74
RH 74 59 59 69 84 93 93 87 70 57 63 74 87 90 97 93 85 77 74 85
WIND DIR W W W W W SW SW W W W W W W W W W W W W W
WIND SPD 3 5 6 3 1 1 1 1 4 6 5 3 1 1 1 1 3 5 4 1
CLOUDS SC SC SC SC FW FW FW SC SC B1 B1 B1 SC B1 B2 B2 B2 B2 B2 B1
CLOUDS(%) 29 37 38 31 20 7 12 35 43 67 68 51 47 61 71 79 73 79 79 63
VSBY 10 10 10 10 10 9 10 10 10 10 10 10 10 10 10 10 10 10 10 10
POP 12HR 20 5 40 30 70
RAIN SHWRS IS IS SC SC SC SC NM NM NM NM SC
TSTMS IS IS SC SC IS SC SC SC
MIX HGT 4 6 5 <1 <1 <1 <1 <1 5 5 4 <1 <1 <1 <1 <1 2 2 2 <1
T WIND DIR W W W W NW NW W W W W W W W W W W W W W NW
T WIND SPD 10 10 10 10 3 5 4 5 11 11 10 6 4 5 4 14 9 11 8 11
DISPERSION VP VP VP VP VP VP VP VP VP
ADI 57 74 57 5 2 3 2 6 72 46 44 3 2 3 2 17 20 34 21 5
MAX LVORI 3 1 1 3 6 6 6 6 1 1 1 3 6 6 8 5 4 3 3 5
STABILITY A A B G G G G A A C B F F F F A B B B F
CEILING None None None None 6500 None 6500 6100 8600
STA PRES 28.07 28.10 28.10 28.13 28.13 28.14 28.15 28.16 28.14
Date Sun 07/12/26Mon 07/13/26Tue 07/14/26Wed 07/15/26
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 82 62 80 61 85 64 91
TEMP 68 68 79 75 66 66 77 75 65 66 83 80 66 69 88 84
DEWPT 67 68 70 69 65 65 65 66 61 63 63 65 61 63 65 68
RH 97100 74 82 97 97 67 74 87 90 51 60 84 81 47 59
WIND SPD <15 <15 <15 <15 <15 <15 <15 <15
AVG CLOUDS B1 B2 B2 B2 B1 B2 B1 B1 SC SC SC SC FW FW FW FW
POP 12HR 40 60 40 40 10 10 5 5
RAIN SHWRS SC SC SC NM SC SC SC SC
TSTMS 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