EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Wakefield VA
510 PM EDT Sun Apr 19 2026
MDZ025-200800-
Assateague Island RAWS - Worchester MD
38.08N 75.20W Elev. 12 ft
510 PM EDT Sun Apr 19 2026
Date 04/19/26 Mon 04/20/26 Tue 04/21/26 Wed
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 47 56 38 53 47
TEMP 53 51 49 49 51 53 54 54 50 47 42 40 40 47 50 51 48 49 48 52 55
DEWPT 40 38 35 36 39 37 32 29 27 28 28 30 29 24 25 29 32 37 41 44 45
MAX/MIN RH 67 37 71 38 76
RH 61 62 58 60 64 52 43 38 42 48 58 66 63 40 38 42 53 65 75 72 70
WIND DIR NW NW NW S SW NW NW NW NW N N N N N E S S S S S SW
WIND DIR DEG 32 33 33 19 23 30 31 32 33 34 34 35 00 00 08 16 17 17 18 19 21
WIND SPD 10 10 4 6 11 13 13 14 14 13 12 11 10 5 4 8 9 11 13 14 14
CLOUDS SC CL CL FW B1 B1 B1 SC FW FW CL FW FW CL CL CL FW FW SC B1 B1
CLOUDS(%) 31 4 5 10 53 56 53 43 14 6 5 7 6 4 4 5 9 18 35 55 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 10 0 0 10
QPF 12HR 0 0 0 0 0
SNOW 12HR 00-00 00-00 00-00
RAIN SHWRS S
MIX HGT 1400 1500 6500 6900 4200 3000 4500 3100 1900 1700
T WIND DIR N SE W NW N N NW S S S
T WIND SPD 11 11 18 21 21 13 6 5 20 25
SMOKE DISP PR PR VG VG GD PR PR PR PR PR
ADI 14 32 68 107 32 39 48 13 27 43
MAX LVORI 3 3 1 2 2 3 2 2 3 3
STABILITY E F D C D D B B E D
CEILING 30000 30000 6300 6300 6300 30000 23500 20800 11700 6300
PRESSURE 30.09 30.13 30.15 30.17 30.26 30.31 30.38 30.30 30.25 30.11
Date 04/22Thu 04/23/26Fri 04/24/26Sat 04/25/26Sun 04/26/26
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 64 53 63 53 65 54 62 52 59
TEMP 62 58 55 55 61 58 55 57 62 57 56 57 59 57 54 54 57 54
DEWPT 49 51 51 50 50 50 51 50 49 49 51 51 52 52 52 52 52 50
MIN/MAX RH 61 91 63 89 61 85 76 95 78
RH 63 78 88 86 66 76 87 79 64 74 85 81 77 82 94 93 82 86
WIND DIR SW SW N N E S SW N SE SE S SE E E E E E E
WIND SPD 10 4 4 4 5 5 5 4 9 10 10 9 10 11 10 11 11 11
AVG CLOUDS B1 B1 SC FW FW FW FW SC FW FW SC B1 B2 B1 B2 B2 B2 B1
POP 12HR 30 10 0 0 5 10 40 50 30
RAIN SHWRS S C S C C C S C
$$
VAZ064-200800-
Ft AP Hill RAWS - Caroline VA
38.10N 77.27W Elev. 201 ft
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
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