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EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Blacksburg VA
131 PM EDT Sun Aug 16 2026

NCZ006-162000-
RAWS 310801
36.37N  79.29W Elev. 580 ft
131 PM EDT Sun Aug 16 2026

Date             Sun 08/16/26            Mon 08/17/26            Tue 08/18/26
UTC 3hrly     09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00
EDT 3hrly     05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20

MAX/MIN TEMP                 90          74          95          72          92
TEMP                   89 89 84 78 77 76 76 87 93 93 84 78 75 73 74 84 90 92 85
DEWPT                  74 74 76 74 74 73 73 74 73 73 73 72 71 70 70 72 71 70 69
MAX/MIN RH                   59          92          51          92          48
RH                     61 61 77 88 90 90 90 65 52 52 70 82 87 90 87 67 54 49 59
WIND DIR               SW  S  S  S SW SW  W  W  W  W NW NW NW NW  N  N  N  N  N
WIND SPD                4  4  3  2  3  3  3  5  5  5  2  1  1  1  1  3  3  2  0
CLOUDS                 B1 B1 B1 SC FW SC SC SC SC SC B1 B1 SC SC FW SC FW FW SC
CLOUDS(%)              58 51 55 32 19 39 42 28 27 38 58 52 44 28 21 31 24 23 36
VSBY                    7  6  5  7  2  2  2 10 10 10 10 10 10 10 10 10 10 10 10
POP 12HR                     40          30          20          30           5
RAIN SHWRS             IS SC SC IS                   SC SC                     
TSTMS                  IS IS SC IS                   SC IS                     
Obvis                              PF PF PF                                    
MIX HGT                 5  4 <1 <1 <1 <1 <1  3  6  5 <1 <1 <1 <1 <1  4  6  6 <1
T WIND DIR             SW SW  S  S SW  S SW  W  W  W  W SW  S NW  N NE  N NW NE
T WIND SPD              8  9  6  8  6  2  5  9 11 12  3  4  2  3  8  8  3  4  1
DISPERSION                   VP VP VP VP             VP VP VP VP             VP
ADI                    32 32  3  4  3  1  6 40 81 80  2  2  1  2  9 37 26 33  1
MAX LVORI               1  1  4  6  6  7  6  1  1  1  3  5  6  7  5  3  2  1  3
STABILITY               C  C  F  G  G  G  A  A  A  A  F  F  F  G  A  A  A  A  G
CEILING                    None  None  None  None  None  None  None  None  None
STA PRES                  29.35 29.29 29.27 29.27 29.21 29.22 29.22 29.27 29.22


Date          Wed 08/19/26Thu 08/20/26Fri 08/21/26Sat 08/22/26
UTC 6hrly     06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00
EDT 6hrly     02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20

MIN/MAX TEMP       70      94      72      94      69      87      67      86
TEMP          73 71 91 86 75 74 92 84 73 70 85 79 70 69 84 79
DEWPT         67 68 69 68 70 70 70 70 69 68 71 70 69 69 71 69
RH            81 90 49 55 84 87 49 63 87 93 63 74 97100 65 72
WIND SPD          <15     <15     <15     <15     <15     <15     <15     <15
AVG CLOUDS    SC FW FW FW SC SC FW B1 B1 SC SC B1 B2 B1 B1 B1
POP 12HR            5       5      10      30      40      50      60      40
RAIN SHWRS                         SC SC IS IS SC NM SC SC SC
TSTMS                              SC IS    IS SC SC       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