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
MDZ021-300800-
Blackwater NWR RAWS-Dorchester MD
38.42N 76.00W Elev. 8 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 77 91 67 81 64
TEMP 83 80 79 79 81 87 90 87 81 77 73 69 70 76 80 80 75 70 67 65 69
DEWPT 74 75 75 75 77 76 76 75 75 73 69 62 60 58 57 58 58 59 60 59 62
MAX/MIN RH 94 64 89 45 85
RH 74 85 88 89 87 70 65 67 81 87 87 78 71 54 45 46 55 69 78 82 79
WIND DIR S S S S SW SW S S S W N N N N N N N NE NE NE NE
WIND DIR DEG 17 17 19 20 21 21 20 19 20 26 34 35 35 34 34 35 00 03 03 03 04
WIND SPD 10 9 8 8 8 8 9 9 5 4 9 10 10 11 11 11 5 3 3 3 3
CLOUDS SC B1 B1 B1 B2 B2 B2 B2 B2 B2 B2 B1 SC FW FW FW FW FW FW FW FW
CLOUDS(%) 43 52 63 60 72 73 73 77 78 82 73 60 31 15 16 12 13 12 11 14 7
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 0.26 0.74 0 0
SNOW 12HR 00-00 00-00 00-00
RAIN SHWRS S S S C L L D L S
TSTMS S S C L L D S
LAL 2 2 4 5 5 1 1 1 1 1
HAINES 4 3 3 4 4 4 4 4 3 3
MIX HGT 600 1400 4100 3600 600 2000 5300 6000 1100 1600
T WIND DIR S S SW W S N N N NE NE
T WIND SPD 11 13 17 16 9 18 16 14 2 5
SMOKE DISP PR PR GD GD PR PR GD GD PR PR
ADI 14 30 68 71 19 46 73 80 3 16
MAX LVORI 5 5 3 5 6 4 1 3 4 6
STABILITY D D C C E D C C F F
CEILING 10800 4700 6000 10700 9000 5500 30000 8300 3200 4000
PRESSURE 30.01 29.96 29.96 29.85 29.87 29.93 30.02 30.02 30.09 30.12
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 84 63 85 72 92 74 92 75 93
TEMP 82 76 67 68 83 80 75 77 90 86 78 78 90 86 78 79 91 86
DEWPT 60 61 65 66 62 65 68 70 72 73 74 75 74 75 75 76 75 75
MIN/MAX RH 44 100 47 87 52 99 55 100 55
RH 47 60 93 93 49 59 79 79 56 65 88 90 59 69 90 92 59 69
WIND DIR E SE SE S S S S SW S S SW SW S S S SW SW SW
WIND SPD 4 5 3 3 8 10 8 8 8 6 3 3 6 8 3 3 6 4
AVG CLOUDS FW SC SC SC SC SC SC SC SC B1 B1 B1 SC SC SC SC SC SC
POP 12HR 0 0 0 5 20 30 30 30 20
RAIN SHWRS S C S C C S S
TSTMS S C C 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