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EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Blacksburg VA
1001 AM EDT Fri Jul 10 2026
NCZ003-102000-
RAWS 310302
36.35N 80.48W Elev. 1076 ft
1001 AM EDT Fri Jul 10 2026
Date Fri 07/10/26 Sat 07/11/26 Sun 07/12/26
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 88 69 87 67 81
TEMP 83 86 81 80 74 73 72 71 79 83 85 80 73 69 68 69 75 78 80 76
DEWPT 70 69 70 68 70 69 67 69 71 71 71 70 69 69 67 69 70 70 70 69
MAX/MIN RH 56 94 62 99 72
RH 65 57 69 67 87 87 84 93 77 67 63 72 87100 97100 84 76 72 79
WIND DIR W W W SW SW W W W W W W NW NW NW N NE E E E NE
WIND SPD 5 8 9 3 4 5 5 4 5 5 5 3 4 4 4 5 5 5 5 5
CLOUDS SC B2 B2 B1 B1 B1 B2 B1 SC B2 B1 B1 SC B1 B2 B1 B2 B2 B2 B2
CLOUDS(%) 34 71 74 56 55 53 70 53 43 71 61 52 50 66 72 69 75 83 79 82
VSBY 10 10 10 10 10 10 10 10 10 10 10 10 10 9 3 4 10 10 10 10
POP 12HR 60 30 60 40 70
RAIN SHWRS SC SC SC SC SC IS NM SC IS IS SC SC SC SC NM NM SC
TSTMS SC SC IS SC SC IS SC SC SC
MIX HGT 4 5 2 <1 <1 <1 <1 <1 3 5 3 <1 <1 <1 <1 1 3 4 3 1
T WIND DIR W W W W W SW W W W W W NW N N NW N N NE E E
T WIND SPD 11 11 20 9 4 2 2 3 5 10 13 9 5 5 3 8 5 5 10 11
DISPERSION VP VP PR PR VP VP VP VP PR
ADI 61 48 53 4 3 2 2 3 21 42 56 4 4 4 2 10 17 20 35 8
MAX LVORI 1 1 1 3 6 7 5 6 3 1 1 3 6 8 9 6 4 3 3 4
STABILITY A C C F E E E C A C A F E E E C C C C E
CEILING 4100 None 4100 None 2800 None 2500 3700 2500
STA PRES 28.90 28.93 28.93 28.95 28.93 28.99 29.02 29.08 29.06
Date Mon 07/13/26Tue 07/14/26Wed 07/15/26Thu 07/16/26
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 79 63 85 65 92 70 94
TEMP 68 65 76 74 66 65 83 80 67 68 89 86 72 72 91 88
DEWPT 67 65 64 63 62 63 63 63 62 64 64 65 65 66 65 66
RH 97100 66 69 87 93 51 56 84 87 44 50 79 81 42 48
WIND SPD <15 <15 <15 <15 <15 <15 <15 <15
AVG CLOUDS B2 B2 B2 B2 B2 B1 B1 SC SC FW FW FW FW FW FW FW
POP 12HR 50 30 10 5 5 5 5 10
RAIN SHWRS SC SC SC IS
TSTMS 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