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

VAZ020-172000-
RAWS 441801
37.99N  79.76W Elev. 2160 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          85          62          83
TEMP                82 86 82 76 72 70 69 72 78 82 81 73 69 66 63 67 75 80 80 73
DEWPT               69 67 67 67 67 66 65 66 65 62 58 58 56 57 56 57 58 58 58 59
MAX/MIN RH                   53          89          45          78          46
RH                  65 53 61 74 84 87 87 81 64 51 46 59 63 73 78 70 55 47 47 62
WIND DIR             W  W  W  W  W  W NW NW NW NW NW NW  N  N  N NE  E  S  S  S
WIND SPD             5  6  6  5  4  3  3  3  2  3  3  3  3  3  3  3  2  2  2  2
CLOUDS              SC B1 B2 B1 B1 B1 B1 B1 B1 B1 B1 SC SC SC SC SC B1 SC SC SC
CLOUDS(%)           44 54 78 62 61 65 68 56 65 63 58 48 49 50 49 47 55 48 39 43
VSBY                 7  6  7  5  5  1  2  3  8 10 10  7                        
POP 12HR                     40          50          30          10          10
RAIN SHWRS             SC IS SC SC SC SC SC SC SC IS                           
TSTMS                  SC IS SC SC IS          SC IS                           
LAL                  1  3  2  3  3  2  1  1  1  3  2  1  1  1  1  1  1  1  1   
HAINES               4  4  4  3  3  3  3  3  3  4  4  4  4  4  4  4  4  5  5  4
MIX HGT              4  5  3 <1 <1 <1 <1 <1  2  5  5 <1 <1 <1 <1 <1  5  7  6 <1
T WIND DIR           W  W  W  W  W NW NW  N NW NW NW NW NW  N  N  N  S SW  S  S
T WIND SPD          14 16 14  8  4  4  2  3  3  8 12 13  4  3  3  4  3  4  4  8
DISPERSION                   PR VP VP VP             VP VP VP VP             VP
ADI                 67 67 51  5  3  2  1  4 10 43 74  6  2  2  2  4 19 37 34  4
MAX LVORI            1  1  1  3  5  6  6  5  2  1  1  3  3  3  4  3  2  1  1  3
STABILITY            A  C  C  E  E  F  F  B  B  B  B  F  F  F  F  A  B  A  A  F
CEILING                    2100  5000  4000   600  None  None  None  None  None
STA PRES                  27.76 27.77 27.79 27.84 27.85 27.91 27.95 27.99 27.96


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       65      80      65      85      66      85      67      83
TEMP          68 70 78 71 68 69 83 74 68 70 83 73 69 71 81 74
DEWPT         60 63 65 66 64 65 62 65 63 63 65 66 65 66 67 66
RH            76 78 64 84 87 87 49 74 84 78 55 79 87 84 63 76
WIND SPD          <15     <15     <15     <15     <15     <15     <15     <15
AVG CLOUDS    SC B1 B2 B1 B1 B1 B1 B1 B1 B1 B1 B2 B2 B2 B2 B2
POP 12HR           10      40      10      30      20      50      40      60
RAIN SHWRS          SC SC       IS SC IS    SC SC SC IS SC NM
TSTMS                  SC          SC IS       SC SC       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