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EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Blacksburg VA
231 PM EDT Sun Jun 14 2026
VAZ046-150800-
RAWS 441101
37.39N 78.80W Elev. 804 ft
231 PM EDT Sun Jun 14 2026
Date 06/14/26 Mon 06/15/26 Tue 06/16/26 Wed
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 68 83 60 82 62
TEMP 91 82 76 73 70 70 77 81 82 76 68 64 60 63 74 80 82 78 68 65 62 66
DEWPT 66 67 68 66 64 61 57 55 53 53 52 52 51 52 53 54 54 56 57 58 59 60
MIN/MAX RH 82 36 72 37 88
RH 44 61 76 79 81 73 50 41 37 45 57 65 72 67 48 41 38 47 68 78 90 81
WIND DIR SW SW W W W NW NW W W NW NW N N NE NE SE S SE SE SE W W
WIND SPD 10 8 6 6 5 6 6 8 9 5 5 4 5 5 4 3 4 3 4 3 2 2
WIND GUST 18
CLOUDS B1 B1 B2 B2 SC SC FW SC FW SC SC B1 SC B1 SC SC FW FW SC B1 SC SC
CLOUDS(%) 66 63 75 74 42 30 17 50 20 26 50 61 49 51 36 31 18 24 36 56 48 28
VSBY 10 10 10 10 5 10 10 10 10 10 10 10 10 10 10 10 10 10
POP 12HR 10 0 0 0 10
RAIN SHWRS SC
TSTMS SC
MIX HGT 8 <1 <1 <1 <1 2 5 6 6 2 <1 <1 <1 1 4 6 7 <1
T WIND DIR SW W W W W N NW W NW NW N N N NE SW SW SW S
T WIND SPD 17 12 9 10 9 13 9 9 9 10 4 11 3 8 3 9 12 12
DISPERSION PR PR PR PR PR PR VP PR VP VP VP VP
ADI 85 11 6 7 6 37 51 59 64 5 3 8 2 15 18 69103 6
MAX LVORI 1 2 4 4 4 3 1 1 1 2 3 3 3 3 2 1 1 2
STABILITY C D E E E B B B B F E E E C A A A G
CEILING None 12500 None None None None None None None None
STA PRES 29.05 29.01 29.07 29.16 29.15 29.23 29.26 29.25 29.16
Date 06/17Thu 06/18/26Fri 06/19/26Sat 06/20/26Sun 06/21/26
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 89 67 96 71 87 62 86 61 89
TEMP 87 84 70 73 94 89 76 74 84 81 67 67 84 80 66 67 86 83
DEWPT 54 56 56 63 67 69 67 66 65 61 57 57 54 55 55 56 57 60
RH 32 38 61 71 41 52 74 76 53 51 70 70 36 42 68 68 37 46
WIND SPD <15 <15 15> <15 <15 <15 <15 <15 <15
AVG CLOUDS FW FW SC SC SC SC B1 B1 B2 B1 SC FW FW FW FW FW FW FW
POP 12HR 0 0 20 40 60 10 5 5 20
RAIN SHWRS IS SC SC NM SC IS
TSTMS IS SC SC 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