Scattered damaging winds from severe thunderstorms will be possible across parts of the Northeast and Mid-Atlantic States Sunday. Excessive heat will continue over the southern U.S. Sunday before another round of heat arrives Monday through the central and southern U.S. spreading into the East by Independence Day. California will see excessive heat starting Tuesday. Read More >
EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Wakefield VA
510 PM EDT Sat Jun 29 2024
MDZ022-300800-
Powellville RAWS - Wicomico MD
38.35N 75.42W Elev. 16 ft
510 PM EDT Sat Jun 29 2024
Date 06/29/24 Sun 06/30/24 Mon 07/01/24 Tue
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 76 91 65 81 61
TEMP 81 78 77 77 80 86 90 87 80 76 72 68 69 76 79 80 74 68 65 62 66
DEWPT 73 73 74 74 76 75 75 74 74 73 70 64 60 57 57 57 58 58 59 59 62
MAX/MIN RH 95 61 93 44 93
RH 77 85 90 90 88 70 62 66 82 91 93 87 73 52 47 46 57 70 80 90 87
WIND DIR S S S SW SW SW SW SW S W NW N N N N N N NE N N N
WIND DIR DEG 17 18 20 21 22 22 22 21 20 25 30 34 34 34 34 00 02 03 01 01 02
WIND SPD 9 9 5 5 6 9 10 9 4 4 5 9 10 10 10 9 3 2 2 2 3
CLOUDS B1 B1 B1 B1 B2 B1 B2 B2 B2 B2 B2 B2 SC FW FW FW FW FW FW FW CL
CLOUDS(%) 51 52 53 67 71 68 70 82 85 85 81 70 42 20 16 11 11 15 11 11 5
VSBY 7 7 7 7 7 7 6 6 6 6 7 7 7 7 7 7 7 7 7 7 7
POP 12HR 20 70 80 0 0
QPF 12HR 0 0.35 0.83 0 0
SNOW 12HR 00-00 00-00 00-00
RAIN SHWRS S S S S L L D D C C
TSTMS S S S L L D C
LAL 2 2 4 5 5 1 1 1 1 1
HAINES 5 4 3 3 3 4 4 4 3 3
MIX HGT 700 1300 3900 3400 600 1800 5200 5200 1000 1400
T WIND DIR S S SW SW S NW N N NE NE
T WIND SPD 12 12 18 17 12 16 14 13 4 6
SMOKE DISP PR PR GD GD PR PR GD GD PR PR
ADI 13 28 68 77 10 34 68 106 4 16
MAX LVORI 5 6 3 5 6 5 3 3 5 6
STABILITY D E C C E D C B F F
CEILING 23500 4700 6500 6300 3600 1000 30000 4000 3200 4000
PRESSURE 30.01 29.95 29.94 29.82 29.85 29.87 29.97 29.97 30.04 30.09
Date 07/02Wed 07/03/24Thu 07/04/24Fri 07/05/24Sat 07/06/24
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 83 61 85 68 92 72 93 72 93
TEMP 81 75 65 67 83 79 71 74 90 85 76 77 91 85 76 77 91 85
DEWPT 60 61 62 65 62 63 65 69 70 71 71 74 72 72 72 75 74 73
MIN/MAX RH 47 100 46 97 51 100 52 100 54
RH 50 64 91 94 48 57 80 85 52 63 85 90 55 66 87 94 57 67
WIND DIR E E SE SE S S S SW SW S SW SW SW S SW SW SW SW
WIND SPD 6 4 3 2 8 8 6 6 8 6 3 3 8 8 3 2 6 5
AVG CLOUDS FW SC SC SC SC SC FW FW SC B1 B1 B1 SC SC SC SC SC SC
POP 12HR 0 0 0 5 20 20 20 30 20
RAIN SHWRS S S S S C S S
TSTMS S S S C 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
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