The extremely dangerous heat wave continues across the East Coast and much of the South-Central U.S. today. Record high temperatures are expected for some areas especially across the Mid-Atlantic where extreme heat risk conditions reside. There is a Slight Risk (level 2 of 5) of severe thunderstorms today for the northern Mid-Atlantic into portions of southern New England. Read More >
EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Wakefield VA
510 PM EDT Tue Jul 16 2024
MDZ025-170800-
Assateague Island RAWS - Worchester MD
38.08N 75.20W Elev. 12 ft
510 PM EDT Tue Jul 16 2024
Date 07/16/24 Wed 07/17/24 Thu 07/18/24 Fri
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 75 83 72 81 69
TEMP 77 78 77 76 77 80 81 80 77 76 74 74 75 78 78 77 74 73 72 72 72
DEWPT 74 74 74 74 75 75 75 75 74 73 72 72 73 74 72 71 71 71 70 67 67
MAX/MIN RH 96 79 95 82 95
RH 90 89 91 94 93 84 81 84 90 92 94 93 93 86 83 84 91 93 94 87 83
WIND DIR S SW SW SW SW S S S S SW SW SW SW W NW N N N N N N
WIND DIR DEG 20 21 21 21 21 20 19 19 20 22 21 22 24 28 32 01 00 34 34 00 02
WIND SPD 13 12 12 12 11 12 14 16 14 12 12 11 10 9 9 8 6 5 5 9 10
CLOUDS SC SC SC SC SC SC SC SC B2 B2 B2 B2 B2 B2 B2 B2 B2 B2 B2 B2 B2
CLOUDS(%) 45 41 47 34 34 37 46 38 82 78 82 84 83 73 77 82 81 78 71 75 71
VSBY 7 7 7 7 7 7 7 7 6 6 6 6 7 7 7 7 7 7 7 7 7
POP 12HR 20 30 70 50 30
QPF 12HR 0 0.01 0.45 0.32 0.07
SNOW 12HR 00-00 00-00 00-00
RAIN SHWRS S S C L L L L C C C C C C S S
TSTMS S S C L L L L C C C C C C
LAL 2 1 2 4 4 4 3 3 3 1
HAINES 5 3 3 4 4 3 3 5 5 5
MIX HGT 300 300 300 500 500 500 700 600 1200 1300
T WIND DIR SW SW SW S S SW NW E N N
T WIND SPD 14 13 16 18 17 10 9 6 2 16
SMOKE DISP PR PR PR PR PR PR PR PR PR PR
ADI 15 13 14 20 17 13 10 11 5 33
MAX LVORI 5 6 5 5 5 7 6 7 9 6
STABILITY D D C C D D C B E D
CEILING 26600 20800 7200 8000 11600 1700 7200 8900 30000 20800
PRESSURE 29.84 29.84 29.88 29.86 29.82 29.84 29.90 29.92 29.98 30.01
Date 07/19Sat 07/20/24Sun 07/21/24Mon 07/22/24Tue 07/23/24
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 79 71 79 71 80 72 80 72 80
TEMP 75 76 73 73 78 76 73 73 79 77 74 74 79 77 74 74 79 78
DEWPT 65 68 69 70 69 71 71 72 72 72 72 72 72 71 72 73 72 73
MIN/MAX RH 72 94 73 100 76 100 75 100 77
RH 72 76 89 90 75 85 96 96 78 85 95 93 78 82 95 96 80 84
WIND DIR NE E SE E SE SE SW NW S S SW N SE E S S S S
WIND SPD 9 5 3 4 8 6 5 4 6 5 5 4 8 8 6 8 10 10
AVG CLOUDS B1 B1 B1 B1 B2 B2 B2 B2 B1 B1 B1 B1 B1 B1 B2 B2 B2 B1
POP 12HR 10 20 30 30 30 30 40 40 40
RAIN SHWRS S C C C C S C C C C C C C C C
TSTMS C C S C C S C 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
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