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EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Blacksburg VA
501 AM EDT Fri Jul 3 2026
NCZ003-032000-
RAWS 310301
36.48N 80.86W Elev. 1300 ft
501 AM EDT Fri Jul 3 2026
Date Fri 07/03/26 Sat 07/04/26 Sun 07/05/26
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 96 71 100 70 97
TEMP 76 89 95 96 86 77 73 72 76 93 97 99 91 79 73 71 75 91 96 93 86
DEWPT 68 70 68 68 71 69 66 65 68 69 66 64 67 66 64 64 67 69 66 66 68
MAX/MIN RH 40 81 32 81 37
RH 76 54 42 40 61 76 79 79 76 46 36 32 45 64 73 79 76 49 38 41 55
WIND DIR NW E SE S NW N N NW NW N S S W N N N N S S S NW
WIND SPD 1 1 4 3 1 0 0 1 1 0 4 4 2 0 0 0 0 1 4 4 1
CLOUDS CL FW FW SC FW SC FW SC SC FW SC FW B1 SC FW FW FW FW SC SC B1
CLOUDS(%) 3 9 9 38 9 36 17 29 45 17 33 22 57 30 25 16 14 12 50 50 53
VSBY 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10
POP 12HR 20 10 10 10 30
RAIN SHWRS IS SC SC IS
TSTMS IS SC SC IS
MIX HGT <1 4 7 7 <1 <1 <1 <1 <1 4 7 7 <1 <1 <1 <1 <1 4 8 6 <1
T WIND DIR N E SE SE SW W NW N N N SW S NW N NW NW NW SW SW SW N
T WIND SPD 5 6 3 2 5 2 4 5 5 0 2 4 9 3 3 4 3 5 9 11 4
DISPERSION VP VP VP VP VP VP VP VP VP
ADI 6 37 30 18 3 1 2 3 6 0 20 37 4 2 2 2 3 32 84 86 2
MAX LVORI 4 1 2 2 3 4 4 4 4 2 2 1 2 3 3 4 4 1 1 1 3
STABILITY A A A A G G G G A A A A F G G G A A A A F
CEILING None None None None None None None None None None
STA PRES 28.24 28.18 28.18 28.16 28.18 28.13 28.12 28.11 28.10 28.07
Date Mon 07/06/26Tue 07/07/26Wed 07/08/26Thu 07/09/26
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 69 94 67 90 66 89 67 89
TEMP 71 73 92 82 70 72 88 81 69 71 85 82 69 71 85 82
DEWPT 67 69 70 72 68 70 71 71 67 68 70 70 66 68 70 71
RH 87 87 49 72 93 93 57 72 93 90 61 67 90 90 61 69
WIND SPD <15 <15 <15 <15 <15 <15 <15 <15
AVG CLOUDS SC SC SC B2 B1 SC SC B2 B1 SC B1 B1 B1 SC B1 B2
POP 12HR 20 70 50 60 40 50 30 60
RAIN SHWRS IS IS NM SC IS NM SC IS SC SC SC SC NM
TSTMS IS IS NM SC IS SC 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