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EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Blacksburg VA
231 AM EDT Sat Jun 27 2026
VAZ012-280800-
RAWS 447502
37.01N 81.18W Elev. 2540 ft
231 AM EDT Sat Jun 27 2026
Date 06/26/26 Sat 06/27/26 Sun 06/28/26 Mon
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 62 80 62 82 62
TEMP 64 66 73 77 79 74 68 66 64 67 75 79 81 75 69 66 64 68
DEWPT 63 65 67 68 68 67 66 65 64 66 69 69 69 68 66 65 64 67
MIN/MAX RH 100 69 100 68 100
RH 97 97 81 74 69 79 93 97100 97 82 72 67 79 90 97100 97
WIND DIR W W SW W W W W W W W W W NW NW S S S S
WIND SPD 2 3 4 5 5 4 4 3 3 4 4 4 3 2 1 1 1 1
CLOUDS B2 B2 B2 OV B2 B1 B2 B2 B2 B2 B1 B1 B1 SC SC SC B1 B1
CLOUDS(%) 79 76 80 88 81 67 80 74 75 75 63 65 69 39 44 43 61 59
VSBY 9 9 10 9 10 10 7 6 5 6 5 10 10 10 9 2 1 8
POP 12HR 20 80 40 50 20
RAIN SHWRS IS IS SC NM NM SC SC SC SC IS SC SC IS IS
TSTMS SC SC SC IS SC SC IS
MIX HGT <1 <1 2 3 2 <1 <1 <1 <1 1 2 3 4 <1 <1 <1 <1 <1
T WIND DIR SW SW W W W SW W W W W W W W W NW NW NW N
T WIND SPD 3 4 25 19 17 10 5 6 5 4 8 9 11 9 3 2 2 1
DISPERSION VP VP VP VP VP VP VP VP VP
ADI 2 5 63 62 48 7 4 3 3 6 22 31 51 4 2 1 1 1
MAX LVORI 8 7 3 3 3 4 6 8 9 6 3 3 1 4 7 8 10 8
STABILITY F B C C C E E F F C C C B G F F F B
CEILING 100 1100 1400 100 100 100 None None 100
STA PRES 27.33 27.31 27.27 27.26 27.24 27.26 27.25 27.27 27.30
Date 06/29Tue 06/30/26Wed 07/01/26Thu 07/02/26Fri 07/03/26
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 87 63 90 65 92 66 94 68 92
TEMP 83 79 68 70 86 80 70 70 88 82 71 71 89 84 73 73 88 83
DEWPT 67 68 65 67 66 67 64 67 64 67 65 67 62 66 64 67 61 67
RH 59 69 90 90 51 65 81 90 45 61 81 87 41 55 73 81 40 59
WIND SPD <15 <15 <15 <15 <15 <15 <15 <15 <15
AVG CLOUDS SC SC FW SC FW FW CL CL FW FW FW FW FW FW FW FW FW B1
POP 12HR 20 5 10 5 5 5 10 5 40
RAIN SHWRS IS SC
TSTMS 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