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EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Blacksburg VA
259 PM EDT Sun Jun 17 2018

NCZ005-180900-
RAWS 310540
36.38N  79.70W Elev. 858 ft
259 PM EDT Sun Jun 17 2018

Date           06/17/18      Mon 06/18/18            Tue 06/19/18            Wed
UTC 3hrly     21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12
EDT 3hrly     17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08

MIN/MAX TEMP                 74          94          72          96          73
TEMP          92 87 81 78 77 79 87 91 93 87 80 77 74 78 87 92 94 88 81 77 75 78
DEWPT         67 68 70 69 70 71 71 69 68 71 71 70 70 71 71 69 70 71 71 70 71 72
MIN/MAX RH                   84          44          92          45          93
RH            44 53 69 74 79 77 59 49 44 59 74 79 87 79 59 47 46 57 72 79 87 82
WIND DIR       W  W SW SW  W  W  W NW SW SW  W  W  W  W NW  W  W  W  W  W NW  W
WIND SPD       3  3  2  4  3  2  3  3  3  3  4  4  3  3  5  5  5  4  4  3  3  3
CLOUDS        B1 B1 FW SC FW FW FW SC SC SC SC SC FW FW FW FW SC SC SC SC SC SC
CLOUDS(%)     52 58 24 34 17 15 15 28 30 29 29 29 11 12 12 18 42 40 48 41 26 28
VSBY           7 10 10 10  7  7  7  7  7  7  7  7  7  7  7  7  7  7            
POP 12HR                     20          10           5          10          20
RAIN SHWRS    IS IS                                                 IS IS IS IS
TSTMS         IS IS                                                 IS       IS
LAL            2  2  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1               
HAINES         4  4  4  3  3  3  4  4  4  5  4  4  4  4  4  4  4  4            
MIX HGT        6 <1 <1 <1 <1 <1  3  6  6 <1 <1 <1 <1 <1  3  5  5 <1            
T WIND DIR     W  W SW SW SW SW  N NW NW  W SW  W  W  W NW  W  W  W            
T WIND SPD     4  1  1  3  2  0  8  6  9  8  2  2  2  2 11  9 13 11            
DISPERSION       VP VP VP VP             VP VP VP VP             VP VP VP VP   
ADI           20  1  1  2  1  0 32 49 40  3  1  1  1  2 48 52 85  5            
MAX LVORI      2  3  4  5  7  6  1  1  1  3  3  4  5  4  1  1  1  3            
STABILITY      C  F  G  G  G  B  B  B  C  G  G  G  G  B  B  B  B  F            
CEILING        None  None  None  None  None  None  None  None  None  None      
STA PRES      29.32 29.32 29.34 29.35 29.27 29.25 29.24 29.22 29.12            


Date           06/20 Thu 06/21/18 Fri 06/22/18 Sat 06/23/18 Sun 06/24/18
UTC 6hrly     18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00
EDT 6hrly     14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20

MAX/MIN TEMP       95      72      93      71      88      70      89      69      MM
TEMP          91 87 77 77 87 83 74 75 86 82 73 74 84 76 70 MM MM MM
DEWPT         70 71 69 71 71 70 70 69 69 69 70 70 70 69 68 MM MM MM
RH            50 59 76 82 59 65 87 82 57 65 90 87 63 79 93 MM MM MM
WIND SPD          <15     <15     <15     <15     <15     <15     <15     <15      MM
AVG CLOUDS    SC B1 SC SC B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 MM MM
POP 12HR           50      20      40      30      50      50      50      30      MM
RAIN SHWRS    IS SC IS IS IS SC SC SC IS SC SC SC SC SC SC SC      
TSTMS         IS SC IS       SC SC       SC SC    SC 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