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EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Blacksburg VA
401 AM EDT Fri Jun 19 2026
VAZ012-192000-
RAWS 447502
37.01N 81.18W Elev. 2540 ft
401 AM 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 77 52 79 54 86
TEMP 60 63 68 73 74 67 58 55 53 56 68 75 78 72 60 56 55 59 74 81 84 77
DEWPT 60 63 63 58 55 54 53 52 51 54 54 53 54 56 55 54 52 56 57 57 58 60
MAX/MIN RH 50 95 43 94 41
RH 100100 84 59 51 63 83 90 93 93 61 46 43 57 84 93 90 90 55 44 41 56
WIND DIR W NW NW NW NW NW NW NW NW NW NW NW NW NW W W W N SW SW SW S
WIND SPD 3 4 6 9 8 5 4 4 2 2 4 3 3 2 1 1 1 0 1 2 2 2
CLOUDS OV OV SC FW FW FW SC SC B1 SC SC SC CL CL FW FW FW FW FW SC SC SC
CLOUDS(%) 100 99 46 12 7 9 40 47 52 49 28 30 5 5 11 9 11 13 16 34 31 39
VSBY 3 5 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10
POP 12HR 10 0 0 0 5
RAIN SHWRS SC
Obvis PF PF
MIX HGT <1 1 3 5 5 1 <1 <1 <1 1 4 5 6 1 <1 <1 <1 <1 4 7 5 <1
T WIND DIR NW NW NW NW NW NW W NW NW NW NW W W NW W W SW SW SW SW SW S
T WIND SPD 5 13 20 20 20 9 5 5 5 8 12 12 12 5 2 3 2 1 11 12 12 8
DISPERSION VP PR VP VP VP VP VP VP VP VP
ADI 5 24 73110127 4 3 4 3 10 62 82 92 3 1 2 1 1 59103 82 4
MAX LVORI 9 5 4 1 1 3 5 6 6 5 1 1 1 3 5 7 7 7 1 1 1 3
STABILITY D C B B B F F E F A A A A G G G G A A A A G
CEILING None None None None None None None None None None
STA PRES 27.17 27.19 27.25 27.27 27.29 27.25 27.25 27.25 27.24 27.21
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 62 82 59 77 53 80 56 81
TEMP 64 65 76 72 63 61 74 70 56 57 76 72 58 59 77 73
DEWPT 60 64 68 66 62 61 60 59 55 56 58 60 57 58 59 60
RH 87 97 76 81 97100 62 68 96 96 54 66 96 96 54 64
WIND SPD <15 <15 <15 <15 <15 <15 <15 <15
AVG CLOUDS SC B1 B2 OV B2 B1 B1 B1 SC SC SC SC FW SC FW B1
POP 12HR 20 90 80 30 10 20 10 30
RAIN SHWRS IS NM O O SC SC SC IS SC
TSTMS IS SC 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