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EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Blacksburg VA
231 PM EDT Thu Jun 25 2026
NCZ001-260800-
RAWS 310142
36.40N 81.46W Elev. 4608 ft
231 PM EDT Thu Jun 25 2026
Date 06/25/26 Fri 06/26/26 Sat 06/27/26 Sun
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 77 62 76 63
TEMP 71 65 61 60 60 63 70 74 73 68 65 64 64 64 69 75 73 67 67 66 66 66
DEWPT 56 57 56 56 55 56 58 60 62 62 61 61 61 61 62 63 64 63 63 63 64 63
MIN/MAX RH 84 61 92 66 97
RH 59 75 84 87 84 78 66 62 68 81 87 90 90 90 78 66 73 87 87 90 93 90
WIND DIR SW SW SW SW W W SW S S S SW SW W W W W W W W W W NW
WIND SPD 6 5 6 6 6 4 4 6 6 8 8 8 10 16 16 12 12 16 18 20 18 19
CLOUDS SC FW CL SC FW FW SC B1 B1 SC SC SC B1 B1 B1 B2 B2 B1 B1 B1 B1 B1
CLOUDS(%) 31 20 0 26 25 14 31 63 59 47 46 41 56 59 55 80 80 66 61 59 66 58
VSBY 10 10 10 10 9 10 10 9 7 7 10 10 10 10 10 10 10 10
POP 12HR 0 40 30 70 40
RAIN SHWRS SC SC IS SC SC NM NM SC SC SC SC SC
TSTMS SC SC IS IS SC SC SC IS
MIX HGT 5 2 <1 <1 <1 <1 4 5 3 1 <1 <1 <1 1 3 4 3 1
T WIND DIR SW S SW SW W W S S S S S SW SW W W W W W
T WIND SPD 8 8 2 4 3 4 6 12 11 11 12 10 12 18 24 27 26 18
DISPERSION PR PR PR PR PR PR PR FR GD GD GD GD
ADI 44 4 1 2 2 5 37 51 37 10 11 9 11 28 62 80 61 21
MAX LVORI 1 3 5 5 5 4 3 1 3 4 5 5 5 4 3 1 3 4
STABILITY B F F F F A A C C D D D D D D D D D
CEILING None None None None None None None 500 500 500
STA PRES 26.77 26.79 26.81 26.83 26.79 26.76 26.74 26.72 26.71
Date 06/28Mon 06/29/26Tue 06/30/26Wed 07/01/26Thu 07/02/26
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 74 62 79 63 82 65 84 67 85
TEMP 72 72 65 64 76 73 66 65 78 75 67 67 81 77 69 69 81 77
DEWPT 64 63 62 62 62 62 60 60 60 61 59 59 59 61 60 61 60 62
RH 76 73 90 93 62 68 81 84 54 62 75 75 47 58 73 76 49 60
WIND SPD <15 <15 <15 <15 <15 <15 <15 <15 <15
AVG CLOUDS B1 B1 SC SC SC B1 FW FW FW FW FW CL FW FW FW FW FW SC
POP 12HR 30 5 30 5 10 0 20 10 20
RAIN SHWRS SC SC SC IS IS
TSTMS IS SC 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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