EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Wakefield VA
410 PM EST Tue Jan 21 2025
MDZ021-220900-
Blackwater NWR RAWS-Dorchester MD
38.42N 76.00W Elev. 8 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 23 11 33 20
TEMP 20 18 17 15 13 18 22 22 17 15 14 12 13 23 30 31 27 24 23 21 21
DEWPT 5 7 6 8 6 5 4 2 3 4 5 5 6 9 10 12 13 15 16 17 15
MAX/MIN RH 73 41 76 39 84
RH 51 61 62 73 73 55 44 42 53 62 67 75 75 56 42 44 56 67 74 84 79
WIND DIR N N N N N N NW N N E E E E SW W W NW W NW NW NW
WIND DIR DEG 00 02 01 35 00 35 33 34 01 06 10 10 09 24 24 26 29 29 31 32 33
WIND SPD 3 3 3 4 6 6 6 3 2 2 2 2 2 3 4 3 2 2 3 3 3
CLOUDS OV OV OV B2 B1 FW FW FW FW FW SC SC SC B1 B1 B1 SC FW FW FW FW
CLOUDS(%) 100100 88 71 55 21 10 12 14 14 29 37 37 54 66 56 35 23 19 13 17
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 5 0
QPF 12HR 0.01 0 0 0 0
SNOW 12HR T 00-00 00-00
SNOW C S
LAL 1 1 1 1 1 1 1 1 1 1
HAINES 3 5 5 4 4 4 4 4 4 3
MIX HGT 1000 1300 3600 3400 1000 400 2000 2000 400 400
T WIND DIR N N N N NE NE W W W NW
T WIND SPD 11 14 12 4 3 2 3 5 3 6
SMOKE DISP PR PR FR PR PR PR PR PR PR PR
ADI 9 29 47 22 2 2 18 18 2 7
MAX LVORI 3 3 3 2 4 4 3 3 3 5
STABILITY F E C C F F B C F F
CEILING 5500 19500 26600 30000 23500 18200 26600 18200 30000 30000
PRESSURE 30.48 30.45 30.45 30.46 30.46 30.39 30.34 30.21 30.17 30.17
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 17 36 26 46 27 43 27 42
TEMP 33 26 21 18 34 31 28 27 43 37 31 28 41 35 30 28 40 34
DEWPT 15 17 14 12 15 19 20 21 23 26 25 25 27 27 26 22 18 20
MIN/MAX RH 43 82 43 79 42 89 53 86 39
RH 47 69 77 77 45 62 72 77 44 66 80 89 57 73 83 79 41 56
WIND DIR NW NW NW NW W S SW SW SW W W SW SW SW W NW W W
WIND SPD 8 3 3 3 8 4 5 4 8 3 2 3 8 3 4 5 9 4
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
$$
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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