National Weather Service United States Department of Commerce

	EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Wakefield VA
510 PM EDT Sun Jul 19 2026

MDZ025-200800-
Assateague Island RAWS - Worchester MD
38.08N  75.20W Elev. 12 ft
510 PM EDT Sun Jul 19 2026

Date           07/19/26      Mon 07/20/26            Tue 07/21/26            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          80          75          86          76
TEMP             78 77 75 75 75 78 79 80 78 76 76 75 77 81 84 84 82 79 78 77 78
DEWPT            70 70 70 69 68 67 67 68 68 69 71 73 74 75 76 77 76 76 76 76 76
MAX/MIN RH                   84          66          97          78          98
RH               77 81 83 82 79 69 67 68 72 79 85 94 91 81 79 79 84 92 94 97 94
WIND DIR          E NE  N NE  E  E  E SE SE SE SE SE  S  S  S  S  S SW SW SW SW
WIND DIR DEG     07 04 01 04 07 08 10 12 13 13 14 15 16 19 20 20 20 21 22 23 22
WIND SPD          5  3  6  5  6  9  9  9 10 11 11 10 11 12 14 16 19 20 20 21 18
CLOUDS           FW FW SC SC SC FW FW FW FW SC B1 B2 B2 B2 B2 B2 B2 B2 OV OV OV
CLOUDS(%)        25 24 26 26 26 18 21 10 25 40 65 83 83 82 76 76 82 85 92 92 88
VSBY              7  7  7  7  7  7  7  7  7  7  7  7  6  6  4  4  4  4  4  4  4
POP 12HR                      5           5          50          70          90
QPF 12HR                      0           0        0.14        0.41        1.01
SNOW 12HR                 00-00       00-00       00-00                        
RAIN SHWRS                                      C  C  L  L  L  L  L  L  D  D  D
TSTMS                                           C  C  C  C  L  L  C  C  C  C  S
MIX HGT               800  1300  1700  1800  1600  1400  1700  1800  2100  2300
T WIND DIR              E     E     E     E     E    SE     S    SW     S    SW
T WIND SPD              6    12    14    10    11     9    17    27    34    28
SMOKE DISP             PR    PR    PR    PR    PR    PR    PR    GD    GD    FR
ADI                     5    29    32    24    14    20    38    50    48    43
MAX LVORI               5     5     3     4     5     6     5     4     4     4
STABILITY               F     F     B     B     D     D     D     D     D     D
CEILING              3200  4000  4700  5500 30000 30000   300 14300  1000  1000
PRESSURE            29.87 29.89 29.95 29.96 29.96 29.93 29.92 29.84 29.88 29.80


Date           07/22Thu 07/23/26Fri 07/24/26Sat 07/25/26Sun 07/26/26
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          84    70    76    70    76    71    78    71    79
TEMP          83 79 74 71 74 73 71 72 75 74 73 73 76 75 73 73 77 76
DEWPT         76 75 70 67 65 66 65 66 65 66 66 67 67 67 68 70 70 70
MIN/MAX RH       75    91    71    85    70    85    72    90    77
RH            80 87 89 86 74 79 81 83 72 77 80 84 73 78 85 90 81 81
WIND DIR      SW SW NW  N NE NE  N  N NE  E  E NE  E SE SW SW SE MM
WIND SPD      14 12 11 11  9  5  6  9 10  6  5  5  8  6  5  5  9 MM
AVG CLOUDS    OV OV B2 B1 SC SC SC FW FW SC SC SC SC SC SC SC SC FW
POP 12HR         80    70    30    20    20    20    20    10    10
RAIN SHWRS     D  D  L  C  C  S  S  S  S  S  S  S  S               
TSTMS          C  D  S                                             

$$

VAZ064-200800-
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