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EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Blacksburg VA
1001 AM EDT Sat Jul 11 2026
NCZ003-112000-
RAWS 310301
36.48N 80.86W Elev. 1300 ft
1001 AM EDT Sat Jul 11 2026
Date Sat 07/11/26 Sun 07/12/26 Mon 07/13/26
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 84 66 78 62 75
TEMP 82 82 82 77 72 69 67 68 75 76 73 72 69 67 65 66 69 72 74 72
DEWPT 71 69 69 71 69 68 67 68 72 73 72 71 69 67 65 66 69 70 70 69
MAX/MIN RH 62 100 87 100 86
RH 69 65 65 82 90 97100100 90 90 97 97100100100100100 93 87 90
WIND DIR W W W NW N W N N E E E E E E E NE E E E E
WIND SPD 2 5 5 1 1 1 0 0 1 3 2 1 1 1 2 4 4 5 4 2
CLOUDS OV B2 B2 B1 B1 B1 B2 B2 B2 OV B2 OV OV OV OV B2 B2 OV B2 B2
CLOUDS(%) 90 81 71 69 63 68 85 81 84 92 82 90 90 93 93 87 87 89 79 85
VSBY 9 9 9 9 9 8 6 8 10 10 10 10 10 10 10 10 10 10 10 10
POP 12HR 50 70 80 90 80
RAIN SHWRS SC SC SC SC SC IS SC IS SC SC NM O O O O O O NM NM SC
TSTMS IS IS IS SC SC SC NM SC IS IS SC SC SC
Obvis PF
MIX HGT 3 4 3 <1 <1 <1 <1 <1 2 3 3 <1 <1 <1 <1 1 2 2 2 1
T WIND DIR NW W W NW NW NW NW NE SW SE E E E E E E E NE NE NE
T WIND SPD 12 12 21 8 4 5 5 4 2 2 3 11 12 8 6 10 14 12 14 16
DISPERSION VP VP VP VP VP VP VP VP VP
ADI 50 50 93 4 2 3 3 5 5 9 11 5 6 4 3 15 30 30 36 7
MAX LVORI 3 1 1 5 6 8 9 9 6 5 6 9 9 9 9 5 4 4 4 5
STABILITY B C B F F F F B B B B F F F F C C C C F
CEILING 6700 9500 5900 5400 2100 900 600 600 600
STA PRES 28.15 28.15 28.16 28.21 28.18 28.21 28.18 28.21 28.22
Date Tue 07/14/26Wed 07/15/26Thu 07/16/26Fri 07/17/26
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 62 82 65 89 68 92 68 90
TEMP 65 66 79 77 68 70 86 83 70 72 89 85 71 72 88 84
DEWPT 65 66 69 70 65 67 69 72 66 69 69 72 67 68 69 71
RH 100100 72 79 90 90 57 70 87 90 52 65 87 87 54 65
WIND SPD <15 <15 <15 <15 <15 <15 <15 <15
AVG CLOUDS B2 B2 B1 B1 SC FW FW SC FW FW FW SC SC SC FW B1
POP 12HR 50 30 5 20 5 20 5 40
RAIN SHWRS SC SC SC SC IS IS SC
TSTMS SC IS SC IS 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