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EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Blacksburg VA
731 AM EDT Tue Jun 16 2026
NCZ003-162000-
RAWS 310301
36.48N 80.86W Elev. 1300 ft
731 AM EDT Tue Jun 16 2026
Date Tue 06/16/26 Wed 06/17/26 Thu 06/18/26
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 78 58 87 65 92
TEMP 61 70 75 78 74 65 61 59 64 79 84 87 82 71 67 66 72 85 90 88 81
DEWPT 50 54 55 57 59 58 57 56 59 60 58 58 61 62 62 62 65 69 68 70 70
MAX/MIN RH 49 90 38 88 49
RH 67 57 50 48 59 78 87 90 84 52 41 38 49 73 84 87 79 59 49 55 69
WIND DIR N E S S SW N N N N SW SW SW SW SW SW SW SW SW SW W W
WIND SPD 0 1 5 6 3 0 0 0 0 4 6 6 3 2 2 2 5 11 12 10 5
WIND GUST 25 25 21 18
CLOUDS OV B2 B1 B2 B2 SC B1 SC FW CL SC SC FW FW FW SC SC SC B2 B2 B1
CLOUDS(%) 88 84 52 76 83 40 64 37 13 2 30 40 11 11 21 36 36 34 72 72 68
VSBY 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 9 10 10 10 10 10
POP 12HR 5 0 0 0 60
RAIN SHWRS NM NM SC
TSTMS SC SC IS
MIX HGT 1 4 5 5 <1 <1 <1 <1 <1 6 7 7 <1 <1 <1 <1 1 5 6 5 <1
T WIND DIR NE SE SW SW S W NW NW NW W SW SW SW S SW SW SW W W W W
T WIND SPD 5 4 2 4 6 2 3 3 2 11 13 17 9 10 9 8 12 31 26 25 13
DISPERSION VP VP VP VP VP VP VP VP PR
ADI 8 20 14 27 3 1 2 2 3 79103125 4 5 4 4 22123 89105 9
MAX LVORI 3 2 2 2 3 4 5 7 5 1 1 1 2 3 5 6 3 1 1 1 3
STABILITY B B A B F G F G A A B B G G G G A C D C E
CEILING 2600 3000 3300 None None None None None None 4100
STA PRES 28.07 27.98 27.98 27.99 28.01 27.98 27.98 27.97 27.99 27.98
Date Fri 06/19/26Sat 06/20/26Sun 06/21/26Mon 06/22/26
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 83 59 84 59 87 65 86
TEMP 70 70 80 76 64 63 81 77 62 65 83 81 68 69 83 81
DEWPT 66 66 66 62 57 57 54 56 54 56 58 62 60 63 66 68
RH 87 87 62 62 78 81 39 48 75 73 43 53 76 81 57 65
WIND SPD <15 <15 <15 <15 <15 <15 <15 <15
AVG CLOUDS B1 B2 B2 B1 SC SC FW FW FW FW FW SC SC B1 B1 B1
POP 12HR 50 60 10 0 0 10 30 30
RAIN SHWRS SC SC NM SC SC SC SC
TSTMS IS IS SC 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