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EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Blacksburg VA
101 PM EDT Fri Jun 19 2026
NCZ006-192000-
RAWS 310801
36.37N 79.29W Elev. 580 ft
101 PM EDT Fri Jun 19 2026
Date Fri 06/19/26 Sat 06/20/26 Sun 06/21/26
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 87 59 88 63 93
TEMP 85 86 79 68 63 60 64 78 84 87 83 71 67 64 68 84 90 92 87
DEWPT 66 61 57 54 54 53 56 55 53 54 57 56 57 59 61 61 60 61 63
MAX/MIN RH 42 81 32 85 34
RH 53 43 47 61 72 78 75 45 34 32 41 59 70 84 78 46 37 36 45
WIND DIR NW NW NW N N W W NW W W W N N N N SW SW SW S
WIND SPD 8 9 5 2 0 1 1 3 4 4 1 0 0 0 0 1 4 5 2
WIND GUST 19
CLOUDS B1 SC FW CL FW SC SC SC SC SC SC SC FW CL CL FW FW SC SC
CLOUDS(%) 57 29 9 5 11 29 30 26 48 30 44 28 13 0 0 10 25 30 39
VSBY 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10
POP 12HR 40 0 0 0 0
RAIN SHWRS
MIX HGT 6 7 <1 <1 <1 <1 <1 4 6 7 <1 <1 <1 <1 <1 5 7 8 <1
T WIND DIR NW NW NW N NW W W NW W W W SW SW S W SW SW SW SW
T WIND SPD 17 18 8 6 4 3 3 5 8 6 5 3 3 3 3 5 10 11 10
DISPERSION PR VP VP VP VP VP VP VP VP
ADI 75136 4 3 2 2 3 32 60 60 3 2 2 2 3 34 87106 5
MAX LVORI 1 1 2 3 3 4 4 1 1 1 2 3 3 5 4 1 1 1 2
STABILITY C B F G G G A A A A F G G G A A A A G
CEILING None None None None None None None None None
STA PRES 29.21 29.32 29.36 29.37 29.31 29.30 29.31 29.32 29.28
Date Mon 06/22/26Tue 06/23/26Wed 06/24/26Thu 06/25/26
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 70 93 70 90 65 88 65 89
TEMP 74 74 92 83 73 73 87 84 69 69 85 83 69 69 86 83
DEWPT 65 68 70 72 69 68 65 66 62 62 62 64 64 65 64 66
RH 74 82 49 70 87 84 48 55 78 78 46 53 84 87 48 57
WIND SPD <15 <15 <15 <15 <15 <15 <15 <15
AVG CLOUDS SC SC SC B2 B1 SC SC B1 SC SC SC SC B1 B1 SC B1
POP 12HR 10 80 50 30 20 20 30 30
RAIN SHWRS O SC SC IS IS SC SC IS SC
TSTMS SC SC SC 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