EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Wakefield VA
410 PM EST Tue Jan 21 2025
MDZ022-220900-
Powellville RAWS - Wicomico MD
38.35N 75.42W Elev. 16 ft
410 PM EST Tue Jan 21 2025
Date 01/21/25 Wed 01/22/25 Thu 01/23/25 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 12 24 9 34 16
TEMP 21 18 17 15 13 18 23 22 17 14 12 11 11 22 31 32 25 22 20 18 17
DEWPT 2 7 9 3 5 5 3 2 4 3 4 5 7 12 14 13 13 12 12 13 13
MAX/MIN RH 71 38 82 41 83
RH 43 61 71 57 69 55 41 41 56 60 68 75 80 64 48 44 59 64 70 79 83
WIND DIR N N N N N N NW NW N N N N NW W W W NW NW NW NW NW
WIND DIR DEG 34 35 35 35 35 34 33 33 35 34 35 34 32 28 27 28 30 30 30 32 33
WIND SPD 3 3 4 5 8 8 8 4 2 1 2 2 2 3 5 4 3 3 3 3 3
CLOUDS OV OV OV B2 B1 FW CL CL FW FW SC SC SC B1 B2 B2 SC SC FW FW FW
CLOUDS(%) 100100 96 80 62 16 5 5 9 12 26 41 49 62 72 70 44 27 23 19 18
VSBY 7 7 7 7 7 7 7 7 7 7 7 7 7 7 7 7 7 7 7 7 7
POP 12HR 50 0 0 10 5
QPF 12HR 0.02 0 0 0 0
SNOW 12HR T 00-00 00-00
SNOW C C S
LAL 1 1 1 1 1 1 1 1 1 1
HAINES 4 5 4 4 4 4 4 4 5 3
MIX HGT 1200 900 3500 3400 1200 400 1900 1800 400 400
T WIND DIR N N N N N N NW W W NW
T WIND SPD 13 18 14 6 4 3 5 4 4 6
SMOKE DISP PR PR FR PR PR PR PR PR PR PR
ADI 13 24 55 29 3 4 16 14 2 6
MAX LVORI 3 3 1 3 3 5 4 3 3 5
STABILITY E E C C F F C C F F
CEILING 5200 16900 26100 30000 23500 20800 10000 18200 27200 26600
PRESSURE 30.44 30.42 30.40 30.42 30.42 30.35 30.29 30.17 30.12 30.12
Date 01/24Sat 01/25/25Sun 01/26/25Mon 01/27/25Tue 01/28/25
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 35 14 36 24 46 26 43 26 41
TEMP 33 24 18 16 33 30 27 26 43 36 30 27 41 35 30 27 39 34
DEWPT 14 16 13 10 13 16 20 20 23 25 24 24 27 27 25 22 18 19
MIN/MAX RH 41 80 40 84 41 88 53 86 40
RH 45 70 80 77 43 55 74 78 45 64 78 88 57 73 82 81 42 55
WIND DIR NW NW NW NW W SW SW SW W W W SW W SW W NW W W
WIND SPD 9 3 3 3 8 3 5 4 9 3 2 3 9 3 4 5 10 5
AVG CLOUDS FW FW SC FW FW FW SC B1 B1 B1 B1 B1 B1 B1 SC SC SC SC
POP 12HR 0 0 0 0 0 20 30 20 10
RAIN C S S
SNOW S C S S 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
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