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EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Blacksburg VA
831 PM EDT Fri Jun 26 2026
NCZ003-270800-
RAWS 310302
36.35N 80.48W Elev. 1076 ft
831 PM EDT Fri Jun 26 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 67 85 69 87 68
TEMP 72 69 68 70 81 85 84 79 73 70 69 71 80 86 87 84 75 70 69 71
DEWPT 69 68 67 69 70 68 70 69 69 68 67 69 70 70 69 69 69 68 67 69
MIN/MAX RH 98 57 94 55 95
RH 90 97 97 97 69 57 63 72 87 93 93 93 72 59 55 61 82 93 93 93
WIND DIR SW SW SW SW SW W SW SW W W W W NW NW NW NW N N N NE
WIND SPD 5 4 4 4 5 6 5 5 4 4 4 3 4 4 4 3 4 5 5 4
CLOUDS SC B1 B1 B1 B1 B2 B2 B2 B1 B2 B2 B2 B1 B1 B1 SC FW FW FW SC
CLOUDS(%) 43 57 64 61 63 78 79 81 68 75 75 73 54 67 53 30 20 20 22 27
VSBY 10 9 6 9 10 10 10 10 10 7 6 3 10 10 10 10 10 10 7 10
POP 12HR 30 60 30 30 10
RAIN SHWRS IS IS NM SC SC SC SC
TSTMS IS SC NM SC SC SC
Obvis PF
MIX HGT <1 <1 <1 <1 3 5 3 <1 <1 <1 <1 <1 3 5 5 <1
T WIND DIR W W W SW SW SW W SW W W W W NW W W W
T WIND SPD 2 4 2 2 10 12 1 3 1 2 3 2 12 9 11 4
DISPERSION PR VP VP PR VP VP VP VP VP PR PR
ADI 2 3 2 2 30 50 3 2 1 2 2 2 53 59 46 2
MAX LVORI 7 8 10 8 3 1 3 3 6 7 6 6 3 1 1 3
STABILITY E E E B C C C E E E E B A A C G
CEILING None 9700 8100 5400 5300 7400 None None None
STA PRES 29.02 29.00 29.00 28.97 28.94 28.93 28.93 28.86
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 90 68 93 70 94 72 98 74 96
TEMP 87 84 71 71 89 88 72 72 92 89 74 75 96 90 75 76 95 88
DEWPT 69 67 66 67 66 63 61 61 61 62 60 63 61 61 62 64 60 63
RH 55 57 84 87 47 43 68 68 36 41 62 66 32 38 64 66 31 43
WIND SPD <15 <15 <15 <15 <15 <15 <15 <15 <15
AVG CLOUDS SC SC FW SC SC FW FW FW CL FW FW FW CL FW FW FW FW B1
POP 12HR 20 5 5 5 0 5 10 5 30
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
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