EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE WAKEFIELD VA
510 PM EDT FRI JUN 18 2021
MDZ021-190900-
BLACKWATER NWR RAWS-DORCHESTER MD
38.42N 76.00W ELEV. 8 FT
510 PM EDT FRI JUN 18 2021
DATE 06/18/21 SAT 06/19/21 SUN 06/20/21 MON
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 71 90 72 91 74
TEMP 77 74 74 73 76 84 87 88 83 77 75 73 77 86 89 90 84 78 76 75 78
DEWPT 59 64 65 65 66 68 68 70 69 69 69 68 70 72 72 71 72 71 71 71 73
MAX/MIN RH 77 53 87 54 86
RH 53 72 74 76 71 59 54 55 63 76 83 85 79 64 57 55 68 79 84 85 84
WIND DIR S S S SW SW W W SW SW W W W W W SW SW S SW SW SW S
WIND DIR DEG 17 18 20 22 22 25 24 24 23 25 25 25 26 25 22 21 20 21 21 21 20
WIND SPD 11 9 9 8 6 8 8 10 4 4 3 3 3 6 6 8 4 6 6 8 9
CLOUDS SC SC B1 B1 SC SC SC B1 B1 B1 B1 B1 B1 B1 B1 SC B1 B1 B1 B1 B2
CLOUDS(%) 38 45 59 65 50 45 49 54 65 64 64 57 58 52 51 47 55 54 61 67 78
VSBY 7 7 7 7 7 7 7 7 7 7 7 7 7 7 7 7 7 7 7 7 7
POP 12HR 20 30 40 10 20
QPF 12HR 0 0.01 0.10 0 0
SNOW 12HR 00-00 00-00 00-00
RAIN SHWRS S C C C C C C S S S
TSTMS C C S S S S
LAL 1 1 3 3 2 2 1 1 1 1
HAINES 5 4 5 4 4 4 5 5 4 4
MIX HGT 800 700 3700 4000 600 1000 4900 4700 700 1900
T WIND DIR S SW SW W SW SW SW SW SW SW
T WIND SPD 11 14 12 16 2 1 12 14 9 13
SMOKE DISP PR PR FR GD PR PR GD GD PR PR
ADI 11 18 52 64 2 2 46 72 11 34
MAX LVORI 4 4 3 3 5 6 3 3 4 5
STABILITY B E F B B F E B B E
CEILING 12700 10800 11100 6300 7200 4700 8000 14800 14800 30000
PRESSURE 29.90 29.85 29.86 29.82 29.84 29.82 29.84 29.80 29.79 29.79
DATE 06/21 TUE 06/22/21 WED 06/23/21 THU 06/24/21 FRI 06/25/21
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 87 73 88 63 78 62 81 64 82
TEMP 86 82 75 76 87 79 69 67 77 72 65 66 79 75 66 67 80 77
DEWPT 74 73 72 74 73 68 63 60 55 54 56 60 58 59 61 64 63 63
MIN/MAX RH 63 97 56 84 45 84 44 99 50
RH 67 74 90 94 62 69 82 78 47 53 73 81 49 59 84 90 55 62
WIND DIR S S SW SW SW W NW N NW N NE NE W SE SE E S SE
WIND SPD 10 6 5 6 13 6 6 9 10 3 3 3 4 5 3 3 6 6
AVG CLOUDS B1 B1 SC SC SC B1 B1 B1 SC FW FW FW FW FW SC SC SC SC
POP 12HR 30 20 60 50 10 5 10 10 20
RAIN SHWRS S C S S L C S S
TSTMS C S L C
$$
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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