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EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Blacksburg VA
801 AM EDT Thu Jul 9 2026
NCZ003-092000-
RAWS 310302
36.35N 80.48W Elev. 1076 ft
801 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 68 90 69 85
TEMP 80 86 86 81 74 71 69 72 83 88 86 81 74 71 70 72 78 81 81 77
DEWPT 71 70 70 70 69 68 67 69 71 70 71 70 70 69 67 69 72 72 72 71
MAX/MIN RH 55 92 55 93 73
RH 74 59 59 69 84 90 93 90 67 55 61 69 87 93 90 90 82 74 74 82
WIND DIR W W W SW W W W W W W W W W W W W W W W W
WIND SPD 5 6 6 4 4 4 4 4 5 6 6 5 4 5 4 4 4 5 4 3
CLOUDS FW SC B1 SC FW FW FW FW SC B2 B2 SC SC B1 B1 B2 B2 B2 B2 B1
CLOUDS(%) 22 43 51 32 8 11 10 11 37 72 83 47 46 56 64 75 73 77 77 63
VSBY 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10
POP 12HR 30 5 40 20 70
RAIN SHWRS SC SC SC IS IS SC SC NM NM SC
TSTMS SC SC SC IS IS IS SC SC SC
MIX HGT 4 6 5 <1 <1 <1 <1 <1 4 5 4 <1 <1 <1 <1 <1 2 3 3 <1
T WIND DIR W W W W W W W SW W W W W W W W W W W W W
T WIND SPD 8 11 12 2 2 2 2 2 9 13 12 6 2 3 3 8 11 17 16 8
DISPERSION VP VP VP VP PR VP PR VP VP
ADI 38 74 51 1 1 1 1 2 48 58 57 5 2 2 2 8 28 61 48 4
MAX LVORI 3 1 1 3 5 7 7 6 1 1 1 3 5 6 6 6 3 3 3 5
STABILITY A B C F F F F A A C B E E E E B C B C F
CEILING None None None None None 6000 None 5900 7000 5100
STA PRES 28.93 28.87 28.90 28.92 28.94 28.93 28.95 28.97 28.98 28.95
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 66 82 64 80 63 85 65 91
TEMP 69 69 79 75 66 66 78 75 65 65 82 80 67 68 88 85
DEWPT 69 68 69 68 66 65 64 63 62 63 62 63 62 63 64 65
RH 100 97 72 79100 97 62 66 90 93 51 56 84 84 45 51
WIND SPD <15 <15 <15 <15 <15 <15 <15 <15
AVG CLOUDS B1 B2 B2 B2 B2 B1 B1 B1 SC SC SC SC FW FW FW FW
POP 12HR 40 50 40 30 10 5 0 5
RAIN SHWRS SC SC SC SC SC SC SC IS
TSTMS SC SC IS 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