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EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Blacksburg VA
801 PM EDT Tue Jun 16 2026
VAZ012-170800-
RAWS 447502
37.01N 81.18W Elev. 2540 ft
801 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 52 82 62 81 60
TEMP 59 56 54 58 72 78 82 76 65 63 65 71 75 79 79 73 67 65 63 62
DEWPT 51 50 50 55 56 54 53 55 57 58 59 63 67 67 67 66 65 64 63 62
MIN/MAX RH 92 37 89 65 100
RH 75 80 86 90 57 43 37 48 75 84 81 76 76 67 67 79 93 97100100
WIND DIR W W W W W W SW SW S SW SW W W W W W W W W W
WIND SPD 1 1 2 3 4 4 4 2 3 3 8 10 11 9 6 5 4 3 3 3
WIND GUST 20 23 25 21 18 16 14 13
CLOUDS SC SC FW FW SC FW SC FW SC SC B1 SC B1 B2 B2 B2 B2 B2 B2 B2
CLOUDS(%) 37 40 12 13 26 18 44 22 34 43 64 50 52 73 73 84 84 84 84 77
VSBY 10 10 10 10 10 10 10 10 10 10 10 7 7 6 6 6
POP 12HR 10 0 10 60 80
RAIN SHWRS IS IS NM NM O O O O NM
TSTMS SC SC SC IS SC
MIX HGT <1 <1 <1 <1 5 6 6 <1 <1 <1 <1 2 3 4 4 1
T WIND DIR S SW SW SW SW W SW SW S SW SW W W W W W
T WIND SPD 2 2 3 3 9 14 17 5 9 8 12 25 23 37 34 21
DISPERSION VP VP VP VP VP VP PR PR VP VP VP
ADI 1 1 2 3 54114128 3 4 4 11 73 59144129 15
MAX LVORI 4 5 6 6 1 1 1 2 3 5 4 3 3 1 1 4
STABILITY G G G A A A A G G F D B D C C E
CEILING None None None None None None None 3100 7700
STA PRES 27.09 27.11 27.14 27.09 27.08 27.09 27.14 27.16
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 77 52 78 53 84 59 82 59 81
TEMP 72 70 57 56 74 70 56 58 78 75 62 62 75 73 63 62 76 72
DEWPT 62 57 54 54 50 52 51 53 54 59 57 60 65 65 62 62 63 62
RH 71 63 90 93 43 53 83 83 43 58 84 93 71 76 97100 64 71
WIND SPD <15 <15 <15 <15 <15 <15 <15 <15 <15
AVG CLOUDS B2 B1 SC SC FW FW FW FW FW SC B1 B1 B1 B2 B2 B1 B1 B1
POP 12HR 70 0 0 0 10 40 70 60 40
RAIN SHWRS NM SC SC SC SC NM NM SC SC SC
TSTMS SC SC 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