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EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Blacksburg VA
901 PM EDT Fri Jun 19 2026
VAZ012-200800-
RAWS 447502
37.01N 81.18W Elev. 2540 ft
901 PM EDT Fri Jun 19 2026
Date 06/19/26 Sat 06/20/26 Sun 06/21/26 Mon
UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12
EDT 3hrly 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08
MIN/MAX TEMP 51 79 54 85 62
TEMP 58 55 53 56 69 75 78 72 60 57 54 59 74 80 84 76 66 64 63 65
DEWPT 51 50 50 53 52 52 53 55 55 54 52 57 58 58 59 62 61 61 60 64
MIN/MAX RH 96 42 93 43 97
RH 77 83 89 90 55 45 42 55 84 90 93 93 57 47 43 62 84 90 90 97
WIND DIR NW NW NW W NW W W W W W W N W SW SW S S S SW SW
WIND SPD 2 2 2 2 3 3 3 1 1 1 1 0 1 2 2 1 2 2 3 5
WIND GUST 16
CLOUDS FW SC B1 SC SC B1 SC SC FW FW SC CL FW SC SC SC SC SC B1 B2
CLOUDS(%) 16 45 61 44 31 56 31 27 15 17 35 5 20 33 32 47 38 46 51 78
VSBY 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10
POP 12HR 0 0 0 5 20
RAIN SHWRS IS IS NM
MIX HGT <1 <1 <1 <1 4 5 6 <1 <1 <1 <1 <1 4 6 6 <1
T WIND DIR NW NW W W NW NW W NW W W W SW SW W W SW
T WIND SPD 5 5 4 4 12 9 6 2 4 4 3 3 10 10 9 8
DISPERSION VP VP VP VP VP VP VP VP VP VP VP
ADI 3 3 2 4 59 55 48 1 2 2 2 3 48 74 71 4
MAX LVORI 4 5 6 6 1 1 1 3 5 6 7 6 1 1 1 3
STABILITY G F F A A B A G G G G A A A A F
CEILING None None None None None None None None
STA PRES 27.26 27.29 27.25 27.24 27.23 27.25 27.22
Date 06/22Tue 06/23/26Wed 06/24/26Thu 06/25/26Fri 06/26/26
UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00
EDT 6hrly 14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20
MAX/MIN TEMP 82 59 79 54 81 55 82 55 81
TEMP 76 73 63 62 75 71 58 58 75 71 59 59 76 72 58 59 77 72
DEWPT 69 67 63 62 62 60 56 57 58 60 57 59 59 60 57 59 59 60
RH 79 81100100 64 68 93 96 55 68 93100 56 66 96100 54 66
WIND SPD <15 <15 <15 <15 <15 <15 <15 <15 <15
AVG CLOUDS B2 OV B2 B1 B1 B1 SC SC SC B1 SC FW SC SC FW SC SC B1
POP 12HR 100 80 40 10 30 20 30 10 30
RAIN SHWRS NM O O SC SC SC SC IS IS SC IS SC
TSTMS SC SC 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