EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Wakefield VA
410 PM EST Sat Dec 21 2024
MDZ021-220900-
Blackwater NWR RAWS-Dorchester MD
38.42N 76.00W Elev. 8 ft
410 PM EST Sat Dec 21 2024
Date 12/21/24 Sun 12/22/24 Mon 12/23/24 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
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 20 32 14 38 26
TEMP 30 27 25 23 21 26 31 30 23 20 18 16 15 27 36 37 30 29 29 30 30
DEWPT 15 13 12 11 11 11 10 10 10 7 6 7 7 10 8 12 17 23 26 26 26
MAX/MIN RH 64 41 72 31 88
RH 54 55 57 59 66 52 42 42 56 58 60 69 72 48 31 36 59 80 88 87 85
WIND DIR NW N N N N N NW N N NE NE NE NE NE SE S S S SW SW SW
WIND DIR DEG 33 34 34 35 00 34 33 34 02 03 02 03 04 06 14 16 16 17 20 22 24
WIND SPD 8 6 5 5 5 10 9 8 3 3 3 3 2 3 3 3 2 3 3 3 3
CLOUDS SC SC SC FW FW FW CL CL CL CL FW FW CL CL FW FW FW FW FW SC B1
CLOUDS(%) 35 39 34 16 23 9 2 1 3 3 12 6 5 5 12 16 16 17 23 39 68
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 0 0 5
QPF 12HR 0 0 0 0 0
SNOW 12HR 00-00 00-00 00-00
RAIN S
SNOW S
LAL 1 1 1 1 1 1 1 1 1 1
HAINES 4 5 4 4 4 4 4 4 4 4
MIX HGT 3800 3400 3500 3300 500 500 2100 1800 400 400
T WIND DIR N N N N N NE E S S SW
T WIND SPD 18 16 14 11 6 4 3 5 6 6
SMOKE DISP FR FR FR FR PR PR PR PR PR PR
ADI 13 35 51 47 4 4 11 11 3 8
MAX LVORI 3 3 1 3 3 3 3 3 6 6
STABILITY E F C C F F B B F F
CEILING 26600 23500 17900 30000 30000 23500 15900 14800 15900 20800
PRESSURE 30.27 30.34 30.45 30.47 30.54 30.59 30.61 30.53 30.48 30.36
Date 12/24Wed 12/25/24Thu 12/26/24Fri 12/27/24Sat 12/28/24
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 47 29 46 30 47 33 52 37 52
TEMP 44 38 32 29 44 38 33 31 45 40 34 33 49 43 38 39 50 45
DEWPT 28 32 30 27 33 32 30 30 33 34 32 32 37 38 37 37 42 41
MIN/MAX RH 53 96 60 94 62 96 63 95 72
RH 53 79 92 95 65 79 91 94 62 79 92 96 63 81 95 92 75 84
WIND DIR W NW N N N NE NE NE N NE NE NE NE E E NE NE NE
WIND SPD 5 3 3 2 5 2 2 3 5 2 2 3 5 3 2 3 6 3
AVG CLOUDS B2 B1 SC SC SC SC B1 B1 SC SC B1 B1 B1 B1 B2 B2 B2 B2
POP 12HR 20 10 10 20 20 20 30 40 40
RAIN S S S S S S S C C C C C
SNOW 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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