EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Wakefield VA
510 PM EDT Wed Apr 1 2026
MDZ021-020800-
Blackwater NWR RAWS-Dorchester MD
38.42N 76.00W Elev. 8 ft
510 PM EDT Wed Apr 1 2026
Date 04/01/26 Thu 04/02/26 Fri 04/03/26 Sat
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 59 76 52 77 60
TEMP 71 66 64 61 61 68 72 69 57 55 55 56 58 67 74 75 68 63 62 62 62
DEWPT 57 60 60 59 58 58 58 54 50 48 49 51 54 58 58 56 55 55 55 56 56
MAX/MIN RH 94 54 87 52 86
RH 61 80 87 92 90 73 61 59 77 77 81 83 86 74 57 52 64 76 79 82 82
WIND DIR S S S S SE S SE E E E SE S S S S S S S S S S
WIND DIR DEG 18 16 17 18 13 17 13 11 09 11 14 18 19 20 19 18 18 19 19 20 20
WIND SPD 6 3 3 3 3 4 6 8 5 4 4 4 5 9 10 9 6 5 5 5 5
CLOUDS B1 B1 B2 B1 B1 B1 SC SC SC SC SC SC SC SC FW FW FW FW FW SC SC
CLOUDS(%) 67 69 74 57 64 58 49 43 36 40 33 36 41 42 23 18 18 20 23 35 28
VSBY 7 7 7 7 7 7 7 7 7 7 7 7 7 7 7 7 7 7 7 7 7
POP 12HR 80 20 5 0 5
QPF 12HR 0.62 0 0 0 0
SNOW 12HR 00-00 00-00 00-00
RAIN SHWRS C C C S
TSTMS C C S
MIX HGT 500 600 1800 1600 900 700 2800 2600 600 700
T WIND DIR S SW S E SE S SW S S SW
T WIND SPD 12 8 8 13 13 9 16 18 14 13
SMOKE DISP PR PR PR PR PR PR FR FR PR PR
ADI 9 10 20 24 11 12 66 63 10 13
MAX LVORI 5 7 5 4 5 5 4 3 4 5
STABILITY E E B B F F C C F F
CEILING 8900 9800 23500 26600 21100 20100 30000 30000 30000 30000
PRESSURE 30.07 30.12 30.20 30.22 30.28 30.27 30.29 30.21 30.19 30.17
Date 04/04Sun 04/05/26Mon 04/06/26Tue 04/07/26Wed 04/08/26
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 80 61 72 45 59 43 60 36 55
TEMP 77 69 64 63 69 62 51 45 57 54 46 45 58 52 43 38 52 48
DEWPT 60 57 57 58 58 52 40 34 33 36 37 36 35 36 31 27 27 31
MIN/MAX RH 54 86 61 72 37 73 39 68 35
RH 56 66 78 84 68 70 68 65 40 51 70 70 42 53 62 65 38 51
WIND DIR S S S S SW NW NW NW NW NW N N NW N N N N E
WIND SPD 9 8 9 10 10 4 6 8 8 2 2 3 8 4 5 6 8 3
AVG CLOUDS FW FW FW SC B2 OV B1 SC SC FW FW SC SC SC SC FW FW FW
POP 12HR 5 20 90 40 0 0 10 10 5
RAIN SHWRS S C D C
$$
MDZ022-020800-
Powellville RAWS - Wicomico MD
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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