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EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Blacksburg VA
631 PM EDT Tue Jun 16 2026
VAZ024-170800-
RAWS 441631
37.63N 79.51W Elev. 865 ft
631 PM EDT Tue Jun 16 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 57 89 67 90 67
TEMP 74 66 62 59 63 79 87 89 83 71 69 68 74 86 89 89 82 75 71 68 69
DEWPT 55 56 55 53 56 57 56 55 56 58 59 61 63 68 68 68 68 68 67 66 66
MIN/MAX RH 84 31 80 49 94
RH 51 70 78 80 78 47 35 32 40 63 70 78 69 55 50 50 63 79 87 93 90
WIND DIR S N N N N W W W SW S SW SW SW SW W W W SW SW SW W
WIND SPD 2 0 0 0 0 4 5 5 2 3 4 5 9 12 11 10 6 4 3 2 2
WIND GUST 16 16 18 19 28 29 28 26 25 17
CLOUDS SC B1 B1 FW FW FW FW FW SC SC B1 B1 SC SC B1 B1 B2 B2 B2 B2 B2
CLOUDS(%) 40 56 62 19 10 14 22 14 41 38 53 66 50 50 65 65 71 76 83 80 72
VSBY 10 10 10 10 10 10 10 10 10 10 10 10 7 7 6 6 6
POP 12HR 10 0 10 50 60
RAIN SHWRS SC SC SC SC NM NM SC SC SC
TSTMS SC SC SC IS SC
MIX HGT <1 <1 <1 <1 <1 5 8 7 <1 <1 <1 <1 2 5 6 5 1
T WIND DIR SW NW NW NW W W SW SW S S SW SW SW W W W W
T WIND SPD 9 2 2 2 2 11 14 14 6 8 9 9 12 29 33 29 13
DISPERSION VP VP VP VP VP VP VP PR PR VP VP VP
ADI 4 1 1 1 3 76141122 3 4 6 6 34126112128 9
MAX LVORI 2 3 4 5 4 1 1 1 2 3 3 4 3 1 1 1 3
STABILITY G F F G A A A A F G E E B C D C E
CEILING None None None None None None None 3700 10400
STA PRES 28.34 28.34 28.36 28.30 28.30 28.28 28.30 28.31
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 85 58 86 58 90 63 87 63 86
TEMP 82 78 63 63 83 78 62 63 87 82 68 67 83 79 68 67 84 80
DEWPT 63 59 56 56 52 54 54 56 57 60 59 61 66 67 65 64 65 64
RH 53 52 78 78 34 43 75 78 36 47 73 81 57 67 90 90 53 58
WIND SPD <15 <15 <15 <15 <15 <15 <15 <15 <15
AVG CLOUDS B1 SC FW SC FW CL CL FW FW FW SC B1 B2 B2 B1 B1 B1 B1
POP 12HR 50 0 0 0 5 40 60 50 30
RAIN SHWRS SC SC SC NM NM SC SC SC SC
TSTMS SC 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