National Weather Service United States Department of Commerce

	EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Wakefield VA
510 PM EDT Sun Aug 16 2026

MDZ025-170800-
Assateague Island RAWS - Worchester MD
38.08N  75.20W Elev. 12 ft
510 PM EDT Sun Aug 16 2026

Date           08/16/26      Mon 08/17/26            Tue 08/18/26            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                      74          85          74          83          72
TEMP             78 77 77 76 76 82 84 84 81 77 76 75 76 80 82 82 78 75 74 73 74
DEWPT            71 72 75 75 75 76 75 75 76 75 75 73 73 73 73 72 72 72 71 70 70
MAX/MIN RH                   99          72          98          71          92
RH               80 87 96 97 96 82 75 74 86 94 98 96 93 80 74 72 81 88 90 91 88
WIND DIR          S  S SW SW SW  W  W  W  W  W  W NW  N  N NE  E  E  S  W NW NW
WIND DIR DEG     17 19 21 21 23 25 25 26 25 26 27 32 34 00 04 08 10 18 27 30 32
WIND SPD         16 17 17 14 11 10  9  8  5  3  4  5  6  5  4  4  3  3  3  3  3
CLOUDS           B2 B2 B2 B1 B1 SC FW FW FW SC SC SC SC FW FW FW FW FW FW FW FW
CLOUDS(%)        70 87 83 67 63 29 16 14 14 28 38 28 35 23 19 16 19 18 13 15  6
VSBY              7  7  4  6  7  7  7  7  7  7  7  7  7  7  7  7  7  7  7  7  7
POP 12HR                     70          10          10          10           5
QPF 12HR                   0.39        0.01        0.01           0           0
SNOW 12HR                 00-00       00-00       00-00                        
RAIN SHWRS        C  C  L  C  S                                                
TSTMS             C  C  C  S                                                   
MIX HGT              1500  1200  1100   800   400   700  1700  1500   600   400
T WIND DIR              S    SW    SW    SW    SW    NW    NE    NE     E     E
T WIND SPD             23    20    16    10     6     6    13    11     5     3
SMOKE DISP             PR    PR    PR    PR    PR    PR    PR    PR    PR    PR
ADI                    26    24    24    14     3    12    31    25     4     4
MAX LVORI               5     5     5     6     9     8     5     5     7     7
STABILITY               D     D     C     B     F     F     B     A     F     F
CEILING              4700  1700  1000  6300  6300  4000  4000  4700   300   300
PRESSURE            29.97 29.85 29.86 29.79 29.80 29.78 29.84 29.84 29.88 29.88


Date           08/19Thu 08/20/26Fri 08/21/26Sat 08/22/26Sun 08/23/26
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          82    75    84    72    79    71    79    72    81
TEMP          81 79 78 78 82 79 75 74 77 77 74 73 77 76 74 73 79 77
DEWPT         70 72 74 75 75 74 72 71 70 69 69 71 70 70 71 71 70 70
MIN/MAX RH       68    94    77    95    73    92    76    94    73
RH            69 78 89 93 80 85 92 91 78 77 87 91 80 82 88 93 75 77
WIND DIR       S  S  S SW  S SE NE NE NE NE  E  N NE  E SE  N SE SW
WIND SPD       5  8 10  9 10  8  8 10 10  8  6  8 10  6  6  6  8  6
AVG CLOUDS    CL FW FW FW FW B1 B2 B1 B1 B1 B1 B1 B2 B1 B1 B1 B1 SC
POP 12HR          0    10    50    60    30    50    40    40    20
RAIN SHWRS                 S  C  L  C  C  C  C  C  C  C  C  C  S  S
TSTMS                         C  S  C     C  C  S     S           S

$$

VAZ064-170800-
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
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