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EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Blacksburg VA
601 AM EDT Sat Jun 20 2026
VAZ018-202000-
RAWS 444002
37.56N 80.18W Elev. 2702 ft
601 AM EDT Sat Jun 20 2026
Date Sat 06/20/26 Sun 06/21/26 Mon 06/22/26
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 82 60 88 67 87
TEMP 63 74 80 80 72 65 62 60 65 79 85 85 77 71 69 68 71 82 85 81 74
DEWPT 53 55 54 55 55 55 55 55 57 60 58 59 61 59 60 61 64 68 71 72 68
MAX/MIN RH 40 82 38 80 62
RH 70 51 41 42 55 70 78 84 75 52 40 41 58 66 73 78 79 63 63 74 82
WIND DIR W NW W W W W NW W W W W SW N SE S S S SW SW W W
WIND SPD 4 6 6 6 3 2 2 2 1 3 3 2 0 1 2 3 6 10 9 8 8
WIND GUST 16 19 18 18 14 12 18 23 27 25 24 27
CLOUDS B2 B1 FW FW FW CL FW FW B1 FW FW SC SC SC B1 B1 OV OV OV OV B1
CLOUDS(%) 73 53 21 11 8 2 9 13 53 15 25 27 34 37 59 55 88 88 96 96 67
VSBY 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 7 9 10 10 10
POP 12HR 0 0 0 20 90
RAIN SHWRS IS IS O O O O SC
TSTMS IS IS SC SC IS
MIX HGT 1 4 6 6 <1 <1 <1 <1 1 5 7 6 <1 <1 <1 <1 2 4 3 3 <1
T WIND DIR W NW W W W W W W W W W W SE SE S SW SW SW W W W
T WIND SPD 5 17 13 14 13 4 3 3 2 11 13 10 2 4 4 3 11 26 20 14 12
DISPERSION VP VP VP VP VP VP VP VP PR
ADI 10 65 94104 6 2 2 2 4 75117 73 1 2 2 2 23104 70 46 11
MAX LVORI 3 1 1 1 3 3 4 5 4 1 1 1 3 3 3 5 3 1 1 3 4
STABILITY B C B B G G G G B A A A G G F F C C C C D
CEILING None None None None None None None 8200 3600 2600
STA PRES 27.79 27.73 27.75 27.75 27.76 27.73 27.71 27.69 27.68 27.70
Date Tue 06/23/26Wed 06/24/26Thu 06/25/26Fri 06/26/26
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 65 83 60 84 62 84 62 84
TEMP 67 67 82 74 62 64 82 75 65 65 82 75 64 66 82 75
DEWPT 64 61 60 58 55 55 58 60 58 59 63 63 59 60 62 62
RH 90 81 47 57 78 73 44 60 78 81 53 66 84 81 51 64
WIND SPD <15 <15 <15 <15 <15 <15 <15 <15
AVG CLOUDS B1 B1 SC SC FW SC FW SC SC SC B1 B1 SC SC B1 B1
POP 12HR 50 10 0 20 20 50 20 30
RAIN SHWRS SC IS IS IS SC SC IS SC SC
TSTMS IS IS 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