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EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Blacksburg VA
801 AM EDT Tue Jun 9 2026
VAZ046-092000-
RAWS 441101
37.39N 78.80W Elev. 804 ft
801 AM EDT Tue Jun 9 2026
Date Tue 06/09/26 Wed 06/10/26 Thu 06/11/26
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 83 69 89 70 97
TEMP 72 79 83 79 74 72 71 73 81 86 86 82 76 74 72 76 89 95 96 90
DEWPT 57 62 64 66 66 66 67 68 70 71 71 71 71 70 69 70 72 71 69 70
MAX/MIN RH 54 88 61 91 42
RH 59 56 53 64 76 81 87 84 69 61 61 69 85 87 90 82 57 46 42 52
WIND DIR S S S S S S S SW SW SW SW SW SW SW SW W W W W SW
WIND SPD 3 6 6 4 4 5 9 11 11 11 11 8 6 5 5 5 5 6 8 5
WIND GUST 19 21 18
CLOUDS B2 B2 OV OV B2 B2 B2 B1 SC B2 B1 SC SC FW FW FW FW SC SC SC
CLOUDS(%) 84 80 95 91 82 87 84 67 50 73 69 41 31 18 13 25 17 35 35 40
VSBY 10 10 10 10 10 10 9 7 8 10 10 10 10 10 3 10 10 10 10 10
POP 12HR 5 40 50 10 10
RAIN SHWRS IS SC SC IS SC SC
TSTMS IS SC SC
MIX HGT 2 4 4 <1 <1 <1 <1 1 3 5 4 <1 <1 <1 <1 1 4 7 6 <1
T WIND DIR S S S SW SW S S SW SW SW SW SW SW SW W W N W SW E
T WIND SPD 6 9 10 13 2 4 5 14 16 18 20 9 5 5 4 4 6 3 4 10
DISPERSION VP VP PR PR PR PR PR PR PR
ADI 18 32 38 9 2 3 5 24 51 55 54 8 3 3 2 6 34 25 30 5
MAX LVORI 2 1 1 3 4 5 5 4 3 1 1 3 5 6 6 4 1 2 2 2
STABILITY B C C E E E D D C D D D F F F A A B B F
CEILING 3600 3100 2400 2600 400 None None None None None
STA PRES 29.51 29.42 29.36 29.31 29.28 29.21 29.19 29.21 29.23 29.19
Date Fri 06/12/26Sat 06/13/26Sun 06/14/26Mon 06/15/26
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 72 99 70 93 66 92 66 88
TEMP 75 77 98 90 75 75 90 86 70 71 89 86 71 71 86 81
DEWPT 70 70 69 70 68 67 62 60 60 61 60 62 63 64 63 64
RH 84 79 39 52 79 76 39 42 71 71 38 45 76 79 46 56
WIND SPD <15 <15 <15 <15 <15 <15 <15 <15
AVG CLOUDS SC FW FW SC SC SC SC SC SC SC FW SC B1 SC B1 B1
POP 12HR 10 20 20 20 10 20 30 50
RAIN SHWRS IS IS IS IS SC SC SC SC
TSTMS IS IS IS IS 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