EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE WAKEFIELD VA
620 PM EDT TUE APR 24 2018
MDZ021-250900-
BLACKWATER NWR RAWS-DORCHESTER MD
38.42N 76.00W ELEV. 8 FT
620 PM EDT TUE APR 24 2018
DATE 04/24/18 WED 04/25/18 THU 04/26/18 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
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 56 67 53 70 52
TEMP 59 58 58 57 58 63 66 66 62 58 57 54 56 64 68 69 61 58 56 54 55
DEWPT 53 53 54 55 56 56 57 56 55 52 49 47 46 45 45 45 45 45 46 48 50
MAX/MIN RH 95 69 81 42 83
RH 80 84 85 93 93 77 73 70 78 79 76 77 69 50 44 43 56 62 69 80 83
WIND DIR E E E SE SE S SW W W NW NW NW NW NW W W SW S S SE E
WIND DIR DEG 10 10 11 13 14 18 21 26 29 30 30 31 30 31 28 26 20 19 18 13 08
WIND SPD 10 12 10 6 4 5 5 6 6 8 6 9 6 9 4 5 2 3 2 3 3
CLOUDS OV OV OV B2 B1 B2 B2 B2 OV B2 B1 SC SC SC SC SC B1 B1 B2 B2 B2
CLOUDS(%) 100100 97 84 67 71 81 85 89 73 56 44 31 29 27 40 54 64 74 85 86
VSBY 5 4 7 7 7 7 7 6 7 7 7 7 7 7 7 7 7 7 7 7 7
POP 12HR 100 60 30 10 50
QPF 12HR 0.62 0.09 0.01 0 0.06
SNOW 12HR 00-00 00-00 00-00
RAIN D D
RAIN SHWRS C C S S C L C C S S C C
LAL 1 1 1 1 1 1 1 1 1 1
HAINES 2 4 3 3 2 3 4 4 3 3
MIX HGT 1200 800 2300 1300 1600 1700 3300 3700 800 700
T WIND DIR E SE S W NW NW NW W SE SE
T WIND SPD 19 10 10 8 16 14 13 8 4 12
SMOKE DISP PR PR PR PR PR PR PR PR PR PR
ADI 19 14 25 12 20 35 43 40 3 12
MAX LVORI 4 6 4 3 3 4 1 3 3 5
STABILITY D D E C B F F B B D
CEILING 300 300 1000 700 1000 2800 20800 18200 15900 4000
PRESSURE 30.01 29.81 29.73 29.68 29.70 29.76 29.87 29.88 29.89 29.84
DATE 04/27 SAT 04/28/18 SUN 04/29/18 MON 04/30/18 TUE 05/01/18
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 66 51 68 48 65 46 67 52 78
TEMP 65 59 54 54 66 60 52 51 61 56 49 49 63 60 55 56 75 70
DEWPT 52 50 49 49 47 45 45 42 38 39 40 41 40 41 46 48 50 49
MIN/MAX RH 58 91 45 79 39 79 41 83 39
RH 63 72 82 85 50 57 77 70 42 52 71 74 44 49 72 73 42 48
WIND DIR SE S SW SW W SW NW NW NW NW NW NW W SW SW SW SW S
WIND SPD 3 3 3 3 3 3 6 9 10 4 4 4 4 3 5 5 6 8
AVG CLOUDS B2 B2 B1 B1 SC SC SC FW FW FW FW CL CL CL CL CL CL CL
POP 12HR 50 10 10 5 0 0 0 0 5
RAIN SHWRS C C 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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