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EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Blacksburg VA
231 AM EDT Wed Jun 17 2026
VAZ018-180800-
RAWS 444002
37.56N 80.18W Elev. 2702 ft
231 AM EDT Wed Jun 17 2026
Date 06/16/26 Wed 06/17/26 Thu 06/18/26 Fri
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 54 86 69 87 67
TEMP 55 62 74 81 85 80 75 72 71 73 80 84 86 75 72 69 67 69
DEWPT 51 55 55 53 52 55 55 58 60 63 67 69 70 67 66 65 63 63
MIN/MAX RH 95 32 77 58 88
RH 86 78 51 38 32 42 50 61 68 71 65 61 59 76 81 87 87 81
WIND DIR W W W SW W SW SW SW SW W W W W W W W W W
WIND SPD 1 3 8 8 8 4 6 8 10 14 14 12 10 8 5 4 3 4
WIND GUST 36 36 32 27 26 21 18 17 18
CLOUDS FW FW SC SC SC SC B1 B1 B1 SC SC SC B1 B1 B2 B2 B2 B1
CLOUDS(%) 15 21 28 32 34 49 53 57 64 39 31 34 63 68 76 78 75 60
VSBY 9 10 10 10 10 10 10 10 10 7 7 6 6 6 10 10 10 10
POP 12HR 10 0 5 60 40
RAIN SHWRS SC SC SC SC SC IS
TSTMS SC IS
MIX HGT <1 <1 5 7 7 <1 <1 <1 <1 3 5 5 5 1
T WIND DIR W W W W SW S S SW SW W W W W W
T WIND SPD 2 1 14 16 14 6 8 10 9 27 34 34 32 18
DISPERSION VP VP PR PR FR PR PR VP VP
ADI 1 1 91125107 3 5 7 8 89139110 96 16
MAX LVORI 3 3 1 1 1 2 3 3 3 3 1 1 1 3
STABILITY G A B B B G E E D C C D D D
CEILING None None None None None None 3200 3000
STA PRES 27.63 27.65 27.60 27.59 27.58 27.62 27.63
Date 06/19Sat 06/20/26Sun 06/21/26Mon 06/22/26Tue 06/23/26
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 83 60 82 59 85 66 82 65 83
TEMP 80 74 62 63 80 73 62 65 83 77 68 69 79 75 68 67 81 75
DEWPT 59 54 53 52 51 53 52 54 57 59 58 60 68 66 63 61 62 61
RH 49 50 72 67 36 49 70 68 41 54 70 73 69 74 84 81 53 62
WIND SPD <15 <15 <15 <15 <15 <15 <15 <15 <15
AVG CLOUDS B1 SC FW FW FW FW CL FW FW SC B1 B1 B2 B2 B1 SC SC SC
POP 12HR 20 0 0 0 20 40 70 50 20
RAIN SHWRS IS IS SC SC NM NM SC IS IS IS
TSTMS IS IS SC IS IS
$$
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