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EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Blacksburg VA
431 PM EDT Tue Jun 23 2026
VAZ012-240800-
RAWS 447502
37.01N 81.18W Elev. 2540 ft
431 PM EDT Tue Jun 23 2026
Date 06/23/26 Wed 06/24/26 Thu 06/25/26 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 48 78 53 85 60
TEMP 69 65 57 53 49 54 67 74 77 71 58 56 54 58 74 80 83 76 65 62 61 64
DEWPT 56 54 53 50 48 51 51 51 51 55 53 52 50 54 56 57 58 60 59 58 59 62
MIN/MAX RH 97 40 88 42 96
RH 63 68 86 89 96 90 56 44 40 57 83 86 86 86 53 45 43 58 81 87 93 93
WIND DIR NW N N NW NW NW N NW W W N N N N SW SW SW SW SW SW SW SW
WIND SPD 5 4 2 1 1 1 2 1 1 1 0 0 0 0 1 2 2 1 1 1 1 1
WIND GUST 17
CLOUDS SC FW FW CL FW FW SC SC FW FW FW FW FW SC FW FW FW FW FW SC SC SC
CLOUDS(%) 39 11 10 3 14 23 38 26 23 24 18 25 25 33 16 22 16 19 16 36 44 47
VSBY 10 10 10 10 8 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10
POP 12HR 0 0 0 5 5
RAIN SHWRS IS
Obvis PF+
MIX HGT 4 1 <1 <1 <1 <1 3 5 5 <1 <1 <1 <1 <1 4 6 6 <1
T WIND DIR N NW N NW NW NW N NW W SW SW SW SW SW W W SW S
T WIND SPD 26 24 17 5 4 3 6 2 3 2 3 2 3 3 11 10 9 9
DISPERSION VP VP VP VP VP VP VP VP VP VP VP VP
ADI 131 11 8 3 2 3 30 14 23 1 2 1 2 3 60 72 64 4
MAX LVORI 1 3 4 6 8 6 1 2 2 3 5 6 6 5 1 1 1 3
STABILITY A F G G G A A A A G G G G A A A A G
CEILING None None None None None None None None None
STA PRES 27.33 27.34 27.36 27.32 27.32 27.31 27.33 27.30
Date 06/26Sat 06/27/26Sun 06/28/26Mon 06/29/26Tue 06/30/26
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 86 63 80 63 84 62 88 62 91
TEMP 80 74 65 65 75 72 64 65 78 76 64 66 83 79 64 66 85 81
DEWPT 65 66 64 65 70 67 64 65 70 68 64 66 68 67 63 66 66 67
RH 60 76 97100 84 84100100 76 76100100 61 67 97100 53 63
WIND SPD <15 <15 <15 <15 <15 <15 <15 <15 <15
AVG CLOUDS SC B1 B1 B1 B2 B2 B1 B1 B1 B1 SC SC SC SC FW FW FW FW
POP 12HR 50 40 70 30 50 10 20 5 10
RAIN SHWRS IS SC SC SC NM NM SC SC SC SC IS IS
TSTMS IS SC SC IS 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
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