National Weather Service United States Department of Commerce

	EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE WAKEFIELD VA
620 AM EDT THU AUG 17 2017

MDZ022-172100-
POWELLVILLE RAWS - WICOMICO MD
38.35N  75.42W ELEV. 16 FT
620 AM EDT THU AUG 17 2017

DATE             THU 08/17/17            FRI 08/18/17            SAT 08/19/17
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                      87          73          88          72          87
TEMP             74 82 85 85 79 77 76 74 76 83 86 87 81 77 75 73 75 82 85 86 80
DEWPT            72 72 72 71 71 72 72 73 74 75 76 76 75 74 73 73 72 72 71 69 70
MIN/MAX RH                   61          97          68         100          57
RH               93 72 64 64 77 85 87 97 94 77 72 70 82 91 95100 91 72 63 57 72
WIND DIR          S  S  S  S  S  S  S  S  S  S  S  S  S  S  S SW  W NW  W  W SW
WIND DIR DEG     19 16 17 17 16 17 17 18 19 19 19 19 19 18 20 23 26 30 27 25 21
WIND SPD          1  3  5  8  6  6  5  6  8 10 11  9  8  4  5  4  3  4  3  4  3
CLOUDS           B1 SC SC SC SC B1 B1 B2 B2 B2 B2 B2 B2 B2 B2 B2 B1 B1 SC SC SC
CLOUDS(%)        62 29 49 34 50 59 67 72 77 73 70 74 79 80 81 71 62 56 50 46 43
VSBY              4  7  7  7  7  7  7  7  7  7  7  7  4  4  7  7  7  7  7  7  7
POP 12HR                     20          40          50          60          10
QPF 12HR                      0        0.08        0.20        0.28           0
SNOW 12HR                 00-00       00-00       00-00                        
RAIN SHWRS              S  S  S  S  C  C  C  C  C  C  L  L  C  C               
TSTMS                   S  S  S  S  S  S  S  S  C  C  C  C  S  S               
OBVIS            PF                                                            
LAL                     2     2     2     2     3     3     3     2     1     1
HAINES                  3     3     3     3     3     4     4     3     4     5
MIX HGT              3500  3500   900   300  2900  2700   800   500  3100  2900
T WIND DIR             SW     S     S     S     S    SW    SW     W     W     W
T WIND SPD              4    11    12    13    17    18    14     8    10    10
SMOKE DISP             PR    PR    PR    PR    FR    FR    PR    PR    PR    PR
ADI                    24    43    12    15    45    45    12    10    37    40
MAX LVORI               6     4     5     5     4     4     6     9     4     3
STABILITY               F     B     B     E     D     C     B     E     F     A
CEILING              3200  2400 12900   300  1000 13800  4700  5200 26600 23500
PRESSURE            30.01 29.95 29.94 29.90 29.88 29.84 29.80 29.77 29.84 29.84


DATE          SUN 08/20/17 MON 08/21/17 TUE 08/22/17 WED 08/23/17
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          70    86    69    85    71    86    72    87
TEMP          73 73 84 79 72 72 85 77 71 74 86 77 75 73 87 78
DEWPT         70 70 70 70 68 69 70 70 69 70 71 72 71 72 73 71
MAX/MIN RH       97    60    98    60    93    61    97    63
RH            90 90 64 75 87 90 60 79 91 87 61 85 87 97 63 81
WIND DIR       S  N NW  S  S SE  S  S  S SW  S  S  S SW SW SW
WIND SPD       1  3  4  3  4  2  4  5  3  2  9 10  9  9 10  8
AVG CLOUDS    SC SC SC SC SC SC SC SC SC SC SC SC SC B1 B1 B1
POP 12HR         10    10    10    10    10    20    20    40
RAIN SHWRS                                   S  S  S  S  C  C
TSTMS                                        S  S  S  S  C  C

EXPERIMENTAL ONLY...THIS PRODUCT IS FOR PLANNING AND REVIEW PURPOSES ONLY AND
IS NOT TO BE SUBSTITUTED FOR AN OFFICIAL FIRE WEATHER SPOT
FORECAST.
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 HUMIDITY
RH(%)...............................RELATIVE HUMIDITY
WIND DIR(8 POINT COMPASS)...........20 FT. WIND DIRECTION
WIND DIR DEG(DEGREES)...............20 FT. WIND DIRECTION IN TENS OF DEGREES
                                    RELATIVE TO DUE NORTH.
     EXAMPLE: 09 = 90 DEGREES = EAST; 18 = 180 DEGREES = SOUTH;
              27 = 270 DEGREES = WEST; 36 = 360 DEGREES = NORTH
WIND SPD(MPH).......................20 FT. WIND SPEED
WIND GUST(MPH)......................20 FT. WIND GUST
WIND CHILL..........................WIND CHILL TEMPERATURE
HEAT INDX...........................HEAT INDEX
CLOUDS(CAT).........................CLOUD COVER CATEGORY
     EXAMPLE: CL = CLEAR; FW = FEW; SC = SCATTERED;
              B1 = MOSTLY CLOUDY; B2 = CONSIDERABLE CLOUDS; OV = OVERCAST
CLOUDS(%)...........................CLOUD COVER AS A PERCENTAGE
VSBY................................VISIBILITY VALUE IN STATUTE MILES
POP 12HR(%).........................PROBABILITY FOR ACCUMULATING PRECIPITATION
QPF 12HR(IN)........................LIQUID EQUIVALENT PRECIPITATION AMOUNT
WEATHER...
     TYPE...
       RAIN...........RAIN
       RAIN SHWRS.....RAIN SHOWERS
       TSTMS..........THUNDERSTORMS
       DRIZZLE........DRIZZLE
       SNOW...........SNOW
       SNOWSHWRS......SNOW SHOWERS
       SLEET..........SLEET
       FLURRIES.......FLURRIES
       FRZG RAIN......FREEZING RAIN
       FRZG DRZL......FREEZING DRIZZLE
     COVERAGE...
       S..............SLIGHT CHANCE
       C..............CHANCE
       L..............LIKELY
       O..............OCCASIONAL
       D..............DEFINITE
       AR.............AREAS
       PA.............PATCHY
OBVIS...............................OBSTRUCTION TO VISIBILITY
     TYPE...
       F..............FOG
       PF.............PATCHY FOG
       F+.............DENSE FOG
       H..............HAZE
       BS.............BLOWING SNOW
       K..............SMOKE
       BD.............BLOWING DUST
       AF.............VOLCANIC ASHFALL
LAL(CAT)............................LIGHTNING ACTIVITY LEVEL
HAINES(CAT).........................HAINES INDEX
MIX HGT(FT AGL).....................MIXING HEIGHT
T WIND DIR(8 POINT COMPASS).........TRANSPORT WIND DIRECTION
T WIND SPD(MPH).....................TRANSPORT WIND SPEED
SMOKE DISPERSION....................SMOKE DISPERSION CATEGORY
     VALUES: VP = VERY POOR; PR = POOR; FR = FAIR; GD = GOOD
ADI (INDEX).........................ATMOSPHERIC DISPERSION INDEX
CEILING (FT)........................CEILING
PRESSURE (INCHES MERCURY)...........STATION PRESSURE
MAX LVORI (INDEX)...................LOW VISIBILITY OCCURRENCE RISK INDEX
STABILITY (CAT).....................PASQUILL TURNER STABILITY
WATCH/WARNING/ADVISORY...
     EXAMPLE: W = WARNING; Y = ADVISORY; A = WATCH
     IN EFFECT FOR THE INDICATED HOUR 

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 DIR............................20 FT. WIND DIRECTION
WIND SPD(MPH).......................20 FT. WIND SPEED
AVG CLOUDS(CAT).....................AVERAGE CLOUD COVER CATEGORY
POP 12HR(%).........................PROBABILITY FOR ACCUMULATING PRECIPITATION
WEATHER...
     SEE DAY 1 THROUGH 3 WEATHER DESCRIPTIONS