EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Wakefield VA
411 PM EST Tue Dec 23 2025
MDZ022-240900-
Powellville RAWS - Wicomico MD
38.35N 75.42W Elev. 16 ft
411 PM EST Tue Dec 23 2025
Date 12/23/25 Wed 12/24/25 Thu 12/25/25 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
EST 3hrly 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07
MIN/MAX 39 50 31 50 30
TEMP 42 42 42 43 41 47 49 48 38 33 32 33 35 43 49 50 45 40 36 32 31
DEWPT 39 40 40 39 36 32 28 27 26 28 28 28 31 37 39 40 38 34 29 25 22
MAX/MIN RH 93 42 85 68 79
RH 88 92 94 88 82 57 44 43 63 82 84 82 84 79 68 68 76 79 75 75 69
WIND DIR SW W W W NW NW NW NW N N NE S S SW SW W NW N N N N
WIND DIR DEG 23 25 27 28 30 32 33 33 33 35 05 16 19 21 23 29 33 35 00 01 02
WIND SPD 3 3 3 5 10 12 11 10 3 2 1 2 3 6 9 5 6 8 8 8 6
CLOUDS SC SC SC FW FW CL FW FW FW B1 B2 B2 B1 B2 B2 B2 B1 B1 SC B1 B2
CLOUDS(%) 37 45 26 13 8 4 13 12 22 64 76 86 62 79 87 86 69 63 29 53 74
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 0 10 30 5
QPF 12HR 0 0 0 0 0
SNOW 12HR 00-00 00-00 00-00
RAIN C C S
SNOW S
MIX HGT 500 1300 3000 2700 400 500 1600 1500 1000 1200
T WIND DIR W W NW NW N SE SW NW N N
T WIND SPD 10 16 26 16 8 5 17 18 16 13
SMOKE DISP PR PR GD FR PR PR PR PR PR PR
ADI 7 31 68 54 4 8 39 36 15 19
MAX LVORI 6 6 3 3 5 5 4 4 4 4
STABILITY F F D C F F D D D D
CEILING 3200 2400 23500 20800 13800 10800 8900 1000 15900 15900
PRESSURE 30.03 30.0 30.09 30.15 30.26 30.19 30.09 29.86 30.0 30.10
Date 12/26Sat 12/27/25Sun 12/28/25Mon 12/29/25Tue 12/30/25
UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00
EST 6hrly 13 19 01 07 13 19 01 07 13 19 01 07 13 19 01 07 13 19
MAX/MIN 41 37 49 41 55 33 44 20 33
TEMP 40 39 38 40 48 44 43 45 55 52 45 34 42 31 25 21 32 28
DEWPT 25 34 38 40 44 43 42 44 50 49 40 27 23 14 11 12 11 13
MIN/MAX RH 54 100 84 100 80 91 41 65 39
RH 56 83100100 86 96 96 96 83 89 82 76 47 49 56 68 41 53
WIND DIR E SE SE N NE NE E SE S SW W NW NW NW NW NW NW W
WIND SPD 6 3 3 3 5 3 2 3 8 6 9 10 12 9 8 8 10 3
AVG CLOUDS B2 OV OV OV B2 B2 OV OV OV OV B2 B1 SC FW FW FW FW FW
POP 12HR 60 90 20 20 40 40 20 5 0
RAIN S L D L S S C C C C S
SNOW S S
$$
MDZ025-240900-
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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