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EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Blacksburg VA
731 PM EDT Mon Jun 22 2026
VAZ012-230800-
RAWS 447502
37.01N 81.18W Elev. 2540 ft
731 PM EDT Mon Jun 22 2026
Date 06/22/26 Tue 06/23/26 Wed 06/24/26 Thu
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 60 76 50 82 56
TEMP 71 68 64 62 62 67 71 72 67 58 54 51 56 70 77 81 74 61 58 57 61
DEWPT 68 66 64 62 62 63 60 57 55 54 51 49 52 51 51 51 55 54 53 51 55
MIN/MAX RH 100 57 95 35 84
RH 90 93100100100 87 68 59 65 86 90 93 86 51 40 35 51 78 83 80 81
WIND DIR W W W W W NW NW NW NW NW NW NW N N NW W NW N N N N
WIND SPD 4 3 3 3 3 4 4 4 4 1 1 1 0 1 1 1 1 0 0 0 0
CLOUDS OV B1 B2 B2 B2 B1 SC SC FW FW FW FW FW CL FW FW FW FW SC SC SC
CLOUDS(%) 97 67 82 78 82 61 44 40 18 20 21 9 16 4 11 13 9 12 30 46 40
VSBY 3 6 4 3 4 4 7 10 10 10 10 7 7 7
POP 12HR 90 50 5 0 5
RAIN SHWRS O SC SC SC SC SC
TSTMS SC
MIX HGT <1 <1 <1 <1 1 2 3 3 1 <1 <1 <1 <1 4 5 6 <1
T WIND DIR W W W W NE NW NW NW NW N N N N N N W N
T WIND SPD 10 6 6 1 3 18 23 23 19 18 11 9 9 6 3 3 0
DISPERSION VP VP VP VP VP VP VP VP VP VP VP VP
ADI 7 3 3 1 5 51 95 97 9 8 5 4 12 35 23 26 0
MAX LVORI 5 9 9 10 9 4 1 1 3 5 6 6 5 1 2 2 2
STABILITY E F F F B C A A F G G G A A A A G
CEILING 300 700 700 None None None None None None
STA PRES 27.22 27.18 27.21 27.27 27.34 27.34 27.35 27.32
Date 06/25Fri 06/26/26Sat 06/27/26Sun 06/28/26Mon 06/29/26
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 60 87 62 85 62 87 63 90
TEMP 81 76 63 64 81 77 64 65 80 75 66 65 81 78 66 66 84 81
DEWPT 58 61 60 63 64 63 62 64 66 65 63 65 67 66 63 66 66 66
RH 46 60 90 97 56 62 93 97 62 71 90100 63 67 90100 55 60
WIND SPD <15 <15 <15 <15 <15 <15 <15 <15 <15
AVG CLOUDS SC SC FW SC B1 B2 B1 B1 B1 B1 B1 B1 SC B1 FW FW FW FW
POP 12HR 20 10 60 30 50 30 30 10 10
RAIN SHWRS IS SC NM SC SC SC SC SC SC SC SC
TSTMS IS IS SC SC IS SC 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