EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE WAKEFIELD VA
411 PM EDT TUE OCT 23 2018
MDZ021-240900-
BLACKWATER NWR RAWS-DORCHESTER MD
38.42N 76.00W ELEV. 8 FT
411 PM EDT TUE OCT 23 2018
DATE 10/23/18 WED 10/24/18 THU 10/25/18 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 44 57 38 55 38
TEMP 67 59 53 49 47 46 53 56 55 48 44 42 40 40 50 54 54 45 44 42 40 40
DEWPT 46 46 42 40 38 38 36 35 35 37 37 36 35 36 36 35 34 36 37 37 36 36
MAX/MIN RH 77 44 88 46 90
RH 46 63 66 71 72 72 53 44 48 66 76 80 83 84 58 48 47 70 76 82 84 86
WIND DIR W NW NW NW NW NW NW NW NW N N N N N N NW NW N N NE NE NE
WIND DIR DEG 25 31 32 32 32 32 33 32 33 34 34 34 35 34 34 33 33 34 01 03 03 04
WIND SPD 8 10 10 9 8 9 12 12 11 10 10 9 9 8 10 10 9 5 5 4 4 4
CLOUDS CL SC FW CL CL CL FW FW FW SC FW FW FW FW FW FW FW SC SC B1 B1 B1
CLOUDS(%) 5 26 10 0 0 2 14 20 21 49 16 18 23 24 9 10 24 34 38 56 54 65
VSBY 7 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
LAL 1 1 1 1 1 1 1 1 1 1
HAINES 5 5 4 3 4 4 4 4 4 4
MIX HGT 1100 1000 4800 4800 1500 500 3300 3200 300 300
T WIND DIR NW NW NW NW N N NW NW N NE
T WIND SPD 27 28 27 25 25 20 13 12 11 6
SMOKE DISP PR PR VG VG PR PR PR PR PR PR
ADI 26 34 77 79 27 16 30 44 8 6
MAX LVORI 3 3 1 2 4 4 3 3 4 5
STABILITY C F E C C F E B B F
CEILING 20800 30000 30000 26600 4000 30000 30000 26600 20800 15700
PRESSURE 30.04 30.10 30.14 30.11 30.17 30.19 30.20 30.12 30.12 30.09
DATE 10/26 SAT 10/27/18 SUN 10/28/18 MON 10/29/18 TUE 10/30/18
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 57 49 58 48 57 47 57 45 57
TEMP 54 52 50 50 57 53 50 49 56 52 49 48 56 51 47 46 56 50
DEWPT 41 47 50 50 52 49 49 46 47 46 46 46 47 45 44 42 43 42
MIN/MAX RH 61 100 78 96 69 93 67 88 58
RH 61 84 99100 84 86 96 89 72 80 89 91 72 80 87 84 61 74
WIND DIR NE NE NE NE NE N NW NW W SW W W W NW NW MM MM MM
WIND SPD 5 9 16 16 13 11 10 5 4 3 4 5 9 6 9 MM MM MM
AVG CLOUDS B2 OV OV OV OV OV OV B2 B2 B1 B1 B2 B1 B1 B1 SC SC FW
POP 12HR 40 80 70 50 40 30 30 10 5
RAIN C L D L L C
RAIN SHWRS C C C C C C S
$$
MDZ022-240900-
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
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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