EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Wakefield VA
510 AM EDT Wed Aug 19 2026
MDZ025-192000-
Assateague Island RAWS - Worchester MD
38.08N 75.20W Elev. 12 ft
510 AM EDT Wed Aug 19 2026
Date Wed 08/19/26 Thu 08/20/26 Fri 08/21/26
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 81 75 83 72 81
TEMP 75 78 79 78 77 76 76 76 77 80 81 80 76 75 75 74 74 77 79 79 76
DEWPT 74 73 73 73 74 73 73 73 75 75 75 74 74 73 73 72 72 72 71 71 72
MIN/MAX RH 80 96 80 98 77
RH 99 85 83 84 92 92 92 92 92 86 84 84 93 94 95 95 93 83 79 79 87
WIND DIR N E S S S S SW SW S S S S S N N N N NE NE NE E
WIND DIR DEG 34 10 16 17 18 20 21 22 19 19 19 18 18 35 34 00 02 04 05 06 08
WIND SPD 3 3 4 6 5 5 8 5 4 8 10 10 6 6 6 8 8 9 10 9 8
CLOUDS B1 SC FW FW FW FW FW FW SC SC B1 B1 B2 B2 B1 B2 B1 B1 B1 B1 B1
CLOUDS(%) 53 37 23 9 6 16 17 22 29 35 53 68 81 81 68 77 67 57 61 59 69
VSBY 5 7 7 7 7 7 7 7 7 7 7 7 4 4 7 7 7 7 7 7 7
POP 12HR 5 5 70 70 40
QPF 12HR 0 0 0.28 0.62 0.08
SNOW 12HR 00-00 00-00 00-00
RAIN SHWRS C C L L C C S S C C C
TSTMS C S C S S C
Obvis PF
MIX HGT 1000 1100 400 400 700 800 1000 1400 2300 2100
T WIND DIR N S S SW S S W N NE NE
T WIND SPD 3 5 8 9 14 18 6 16 13 11
SMOKE DISP PR PR PR PR PR PR PR PR PR PR
ADI 6 6 7 10 19 16 10 32 36 25
MAX LVORI 8 8 6 7 5 6 8 8 4 5
STABILITY A B F F B C F D C D
CEILING 30000 30000 30000 7200 7200 7200 6500 7200 5500 5000
PRESSURE 29.92 29.89 29.90 29.92 29.94 29.92 29.97 29.98 30.04 30.04
Date Sat 08/22/26Sun 08/23/26Mon 08/24/26Tue 08/25/26
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 73 81 73 82 72 81 71 80
TEMP 75 74 79 78 75 75 80 78 75 73 79 77 74 72 78 77
DEWPT 72 73 73 74 73 73 72 73 71 69 67 68 68 67 66 68
MAX/MIN RH 98 81 97 76 91 65 86 65
RH 92 97 83 88 94 96 78 84 89 88 68 73 82 84 66 74
WIND DIR SE E SE SW SW W SW SW W NW SW SW SW NW SE SE
WIND SPD 6 6 8 6 6 4 6 5 6 6 5 4 5 6 6 6
AVG CLOUDS B2 B2 B2 B2 B1 B1 B1 B1 SC SC FW FW FW FW FW SC
POP 12HR 70 70 40 30 20 10 5 10
RAIN SHWRS C L L C C C S C S
TSTMS C C S S C S S
$$
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
Radar
Current Weather
Rivers & Lakes
Satellite
Forecast Maps
Hour by Hour Forecast
Tropical Weather
Graphical Hazards
Briefings
Marine Forecasts
Forecaster's Discussion
SKYWARN
Submit Storm Report
Climate Data
Fire Weather
Beach & Surf
Coastal Flood
Heat 
Follow us on X
Follow us on Facebook
AKQ RSS Feed