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EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Blacksburg VA
1031 AM EDT Wed Jul 17 2024

NCZ019-172000-
RAWS 312001
36.23N  81.32W Elev. 2380 ft
1031 AM EDT Wed Jul 17 2024

Date             Wed 07/17/24            Thu 07/18/24            Fri 07/19/24
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                 88          68          82          64          80
TEMP                81 87 83 77 72 70 69 70 77 79 77 74 70 67 65 66 73 76 77 73
DEWPT               70 69 70 69 68 66 66 66 68 67 67 66 62 60 58 60 63 63 65 66
MAX/MIN RH                   55          92          68          80          64
RH                  69 55 65 76 87 87 90 87 74 67 71 76 76 78 78 81 71 64 67 79
WIND DIR            SW SW SW  W  W  W  W  N NW NW NW  N  N  N  N  N  E  E SE  E
WIND SPD             3  5  5  5  3  3  2  3  2  3  3  2  3  3  3  2  3  3  3  2
CLOUDS              SC SC B1 B2 B2 B1 B1 B1 B1 B2 B2 B1 B1 B1 B1 B1 B2 B2 B2 B2
CLOUDS(%)           27 50 68 79 79 56 58 54 63 80 79 68 53 57 55 64 76 73 72 73
VSBY                 7  7  5  5 10  7  8  7 10 10 10  5                        
POP 12HR                     40          50          60          20          50
RAIN SHWRS             IS SC SC SC SC SC SC NM NM SC IS IS       IS IS SC SC SC
TSTMS                  IS SC SC SC SC       IS NM SC                   IS IS   
LAL                  1  2  3  3  3  3  1  1  2  4  3  1  1  1  1  1  1  2  2   
HAINES               4  4  4  4  4  4  4  4  4  3  3  4  4  4  4  4  4  4  4  4
MIX HGT              4  6  3 <1 <1 <1 <1 <1  3  3  2 <1 <1 <1 <1 <1  4  5  4 <1
T WIND DIR           W SW SW SW SW NW NW NW NW NW  N  N  N  N  N NE  E  E SE SE
T WIND SPD           8  5 13 11  9  4  4  5  5  8  9 10 11  6  5  6  9  2  4  8
DISPERSION                   PR VP VP VP             VP VP VP VP             VP
ADI                 42 44 47  8  4  2  2  7 18 28 27  5  5  3  3  9 44 13 24  4
MAX LVORI            1  1  1  4  5  6  6  5  3  3  3  4  4  4  4  4  1  2  3  4
STABILITY            A  A  C  E  F  F  F  B  B  B  B  F  F  F  F  B  B  B  B  F
CEILING                    3700  7900 10900  7200  5100  2200  3200  1600  3600
STA PRES                  27.87 27.86 27.88 27.93 27.92 27.96 28.00 28.05 28.02


Date          Sat 07/20/24Sun 07/21/24Mon 07/22/24Tue 07/23/24
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       66      79      66      82      66      82      67      81
TEMP          67 67 75 72 68 67 79 72 67 67 79 74 69 68 78 73
DEWPT         65 66 69 68 65 65 68 68 66 65 69 68 67 66 69 69
RH            93 97 82 87 90 93 69 87 97 93 72 82 93 93 74 87
WIND SPD          <15     <15     <15     <15     <15     <15     <15     <15
AVG CLOUDS    B2 B2 B2 B2 B1 B2 B2 B2 B2 B2 B2 B2 B2 B2 B2 B2
POP 12HR           40      60      40      60      50      60      50      60
RAIN SHWRS    SC SC SC NM SC IS SC NM SC IS SC NM SC SC SC NM
TSTMS               IS SC SC    IS SC SC    IS SC SC    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
LAL(CATEGORY).......................Lightning Activity Level
HAINES(CATEGORY)....................Haines Index
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