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EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Blacksburg VA
449 AM EDT Fri Jun 22 2018

VAZ024-222100-
RAWS 441631
37.63N  79.51W Elev. 865 ft
449 AM EDT Fri Jun 22 2018

Date             Fri 06/22/18            Sat 06/23/18            Sun 06/24/18
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                 81          65          85          67          87
TEMP          68 71 77 79 79 72 69 67 65 69 77 82 84 79 73 71 69 72 80 84 86 80
DEWPT         68 69 69 70 70 68 66 65 65 66 68 67 67 67 65 65 65 66 67 67 68 68
MAX/MIN RH                   69         100          58          93          54
RH           100 93 76 74 74 87 90 93100 90 74 61 57 67 76 81 87 81 65 57 55 67
WIND DIR      NW  W  S SE  E  E  E  E  S SW SW SW SW  W  W  W  W  W  W  W  W  W
WIND SPD       2  2  4  6  5  3  3  2  2  2  6 10  9  5  3  4  4  4  8  9  8  5
CLOUDS        B2 OV B2 B2 B2 B2 B2 B2 B2 B2 B1 B1 SC SC SC B1 B2 SC SC B1 B1 B1
CLOUDS(%)     84 91 79 80 84 82 86 82 80 73 56 60 49 39 47 56 72 40 43 59 65 55
VSBY           2  7  6  4  3  3  6  6  7  7  7  7  6  7                        
POP 12HR                     70          70          50          30          50
RAIN SHWRS       IS SC SC NM NM SC SC SC SC SC SC SC SC IS IS IS IS SC SC SC SC
TSTMS                  SC NM NM SC IS IS SC SC SC SC SC IS IS IS IS SC SC SC SC
Obvis         PF                                                               
LAL            1  1  1  3  4  4  3  2  2  3  3  3  3  3  2  2  2  2  3  3  3   
HAINES         3  3  3  3  3  3  3  3  3  3  3  3  3  3  3  3  3  2  2  3  3  3
MIX HGT       <1  2  3  4  3  2  1  1 <1  2  3  5  4  2 <1 <1 <1  2  4  4  6  3
T WIND DIR     S SW SW  S SE  E NE NE  S SW SW SW SW  W  W  W  W  W  W  W  W  W
T WIND SPD     2  3  3  8  9  8  4  2  2  4 10 14 16 10  3  4  5 13 19 17 20 16
DISPERSION    VP             VP VP VP VP             PR VP VP VP             PR
ADI            1  7  6 20 18  3  2  1  1 10 25 41 59  4  1  3  3 31 72 49 69 10
MAX LVORI     10  6  4  3  3  6  7  7 10  5  3  1  1  3  4  5  6  3  1  1  1  3
STABILITY      F  C  D  D  D  F  F  F  F  C  D  D  C  F  F  E  E  C  C  D  D  E
CEILING              1000  2700   100   100   100  None  None  6200  None  6700
STA PRES            28.32 28.31 28.33 28.34 28.33 28.32 28.37 28.40 28.44 28.44


Date          Mon 06/25/18 Tue 06/26/18 Wed 06/27/18 Thu 06/28/18
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       68      87      61      83      59      87      63      90
TEMP          72 72 84 78 63 64 80 73 60 65 83 77 64 68 86 80
DEWPT         65 65 65 64 58 58 58 60 55 59 63 65 60 63 69 71
RH            79 79 53 62 84 81 47 64 84 81 51 67 87 84 57 74
WIND SPD          <15     <15     <15     <15     <15     <15     <15     <15
AVG CLOUDS    B1 SC SC SC SC SC SC SC SC SC SC SC SC SC SC B1
POP 12HR           30      20       5       5       5      10       5      30
RAIN SHWRS    SC IS IS                                  SC SC
TSTMS         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