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EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Blacksburg VA
801 AM EDT Wed Aug 19 2026

NCZ003-192000-
RAWS 310302
36.35N  80.48W Elev. 1076 ft
801 AM EDT Wed Aug 19 2026

Date             Wed 08/19/26            Thu 08/20/26            Fri 08/21/26
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                 89          70          90          68          83
TEMP                81 86 88 82 75 73 71 72 82 86 86 78 73 70 69 70 76 82 78 72
DEWPT               66 64 64 65 66 65 65 66 67 68 69 69 69 69 68 68 70 70 71 70
MAX/MIN RH                   45          83          51          98          69
RH                  60 48 45 56 74 76 81 81 61 55 57 74 87 97 97 93 82 67 79 93
WIND DIR             N NW  W SW  W  W  W NW SW  W  W  W  N NE  N NE  E  E  E  E
WIND SPD             2  3  3  1  1  2  2  2  4  5  5  2  3  3  4  4  3  3  3  3
CLOUDS              FW FW CL CL FW FW FW FW SC B2 SC B2 B2 B1 B2 B1 B2 OV OV B2
CLOUDS(%)           14 15  3  2 17 24 19 15 30 86 39 71 71 63 74 58 73 90 90 79
VSBY                10 10 10 10 10 10 10 10 10 10 10  6  6  6  6  7  7  3  3  3
POP 12HR                      0           5          30          60          80
RAIN SHWRS                                           NM NM SC SC SC SC  O  O NM
TSTMS                                                SC SC IS IS    IS SC SC SC
MIX HGT              4  5  6 <1 <1 <1 <1 <1  3  5  4 <1 <1 <1 <1 <1  3  4  2 <1
T WIND DIR           N  W  W  W SW  W  W  W SW SW SW SW SW NE NE NE NE NE  E  E
T WIND SPD           3  4  5  2  1  1  1  2 14  9 13  3  2  6  8 13 11  9 11 10
DISPERSION                   VP VP VP VP             VP VP VP VP             VP
ADI                 16 31 41  1  1  1  1  2 57 50 78  2  1  3  5 11 37 43 28  5
MAX LVORI            2  1  1  3  4  4  6  5  1  1  1  3  6  8  7  6  3  1  3  6
STABILITY            A  A  A  G  G  G  G  A  A  B  A  F  F  F  E  C  B  B  B  F
CEILING              None  None  None  None  None  7100  3700  2800   800  3300
STA PRES            28.94 28.91 28.92 28.91 28.91 28.87 28.91 28.96 29.03 28.98


Date          Sat 08/22/26Sun 08/23/26Mon 08/24/26Tue 08/25/26
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       67      84      65      85      64      84      65      85
TEMP          68 68 81 76 68 67 83 77 66 65 82 77 67 66 82 77
DEWPT         68 68 69 69 66 65 65 63 61 61 62 62 61 61 65 65
RH           100100 67 79 93 93 55 62 84 87 51 60 81 84 56 67
WIND SPD          <15     <15     <15     <15     <15     <15     <15     <15
AVG CLOUDS    B2 B2 B1 B1 SC SC SC SC FW FW FW FW FW FW SC SC
POP 12HR           70      30      20      10       5       5      10      20
RAIN SHWRS    NM IS    SC IS                               IS
TSTMS         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