National Weather Service United States Department of Commerce

Above Normal Temperatures, Strong Thunderstorms, Tropical Development Being Monitored

Well above normal temperatures are forecast to shift from the northern Plains through the Northeast U.S. over the long holiday weekend. A few strong to severe thunderstorm will be possible as well along with a potential for excessive rainfall. A tropical or subtropical depression could form off the Southeast U.S. coast over the weekend while drifting northward to northeastward. Read More >


	EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Wakefield VA
510 PM EDT Fri Jul 4 2025

MDZ025-050800-
Assateague Island RAWS - Worchester MD
38.08N  75.20W Elev. 12 ft
510 PM EDT Fri Jul 4 2025

Date           07/04/25      Sat 07/05/25            Sun 07/06/25            Mon
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                      72          81          73          83          76
TEMP             75 74 74 73 75 78 79 79 76 74 74 74 76 80 80 80 78 78 78 77 78
DEWPT            65 67 67 66 67 65 65 64 66 67 69 70 72 73 73 74 75 75 76 75 76
MAX/MIN RH                   80          61          88          79          95
RH               71 79 79 79 75 65 61 62 73 80 84 87 86 81 80 81 89 93 95 94 93
WIND DIR         SE SE  S  S  E SE SE SE SE SE SE  S  S  S  S  S  S  S  S  S  S
WIND DIR DEG     14 15 17 19 07 12 13 14 15 15 15 17 17 16 16 16 17 17 19 19 19
WIND SPD          5  4  3  2  3  4  8  9  9  8  5  4  4  6  9 10  9  9  9  8  8
CLOUDS           CL CL CL CL FW FW FW FW FW SC SC FW FW FW FW FW SC B1 B1 SC B1
CLOUDS(%)         4  5  5  3  8 10 16 23 17 44 40 19 20 21 17 16 29 52 56 47 56
VSBY              7  7  7  7  7  7  7  7  7  7  7  7  7  7  7  7  7  7  7  7  7
POP 12HR                      0           0           0           5          20
QPF 12HR                      0           0           0           0           0
SNOW 12HR                 00-00       00-00       00-00                        
RAIN SHWRS                                                              S  S  C
TSTMS                                                                   S     S
MIX HGT               700   700  2300  2100  1100   800  1700  1600  1500  1000
T WIND DIR              S     S     S     S     S     S     S     S     S     S
T WIND SPD              6     6     5    13    11     9     8    11     8     5
SMOKE DISP             PR    PR    PR    PR    PR    PR    PR    PR    PR    PR
ADI                     3     7    25    30    11     8    21    24    10     9
MAX LVORI               5     5     3     3     5     5     5     5     7     7
STABILITY               F     F     A     B     E     F     B     C     D     D
CEILING             30000 30000 30000 30000 20800   500  3800  7200 30000   300
PRESSURE            30.10 30.13 30.17 30.17 30.12 30.09 30.09 30.05 30.05 30.03


Date           07/07Tue 07/08/25Wed 07/09/25Thu 07/10/25Fri 07/11/25
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          83    76    84    76    84    75    83    75    84
TEMP          81 79 78 78 81 79 78 77 81 78 77 78 80 78 77 78 81 78
DEWPT         75 76 76 76 75 76 75 74 74 75 75 75 74 75 75 75 74 75
MIN/MAX RH       82    97    82    95    80    96    82    95    80
RH            82 92 94 95 83 90 91 91 80 90 94 92 82 93 94 92 80 91
WIND DIR       S  S  S SW  S  S SW  W  S  S SW  S  S  S SW SW SW  S
WIND SPD      11 10  9  6  9  8  5  4  6  6  4  4  9  9  8  8  9  9
AVG CLOUDS    B1 B1 SC B1 SC SC SC SC B1 B1 B1 B2 B2 B2 B2 B2 B1 B1
POP 12HR         30    30    20    20    20    40    40    50    40
RAIN SHWRS     C  C  S  C  S  S  S  S  S  S  C  C  S  C  C  C  C  C
TSTMS          C  C  S  S  S  S  S  S  S  S  C  S  S  C  C  S     S

$$

VAZ064-050800-
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