EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE WAKEFIELD VA
510 PM EDT FRI JUN 18 2021
MDZ022-190900-
POWELLVILLE RAWS - WICOMICO MD
38.35N 75.42W ELEV. 16 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 70 90 70 90 72
TEMP 75 71 71 71 76 84 88 87 82 75 73 71 76 84 88 88 83 76 74 73 77
DEWPT 56 60 64 64 67 67 66 68 69 69 69 68 70 70 70 70 70 70 70 69 72
MAX/MIN RH 80 48 90 54 88
RH 53 69 78 79 74 57 48 53 65 81 86 90 82 63 55 55 65 82 87 88 85
WIND DIR S S S SW SW W W SW SW W W W W W SW SW SW SW SW SW S
WIND DIR DEG 17 19 20 21 23 25 25 24 23 25 25 25 26 25 23 23 21 21 22 21 20
WIND SPD 10 9 9 8 9 10 10 10 5 4 3 3 4 6 9 10 6 6 6 6 9
CLOUDS SC SC B1 B1 SC SC SC SC B1 B1 B1 B1 SC B1 SC SC B1 B1 B1 B1 B2
CLOUDS(%) 35 31 59 59 44 41 44 44 62 64 62 55 49 56 49 48 51 53 57 68 77
VSBY 7 7 7 7 7 7 7 7 7 7 7 7 7 7 7 7 7 7 7 7 7
POP 12HR 10 20 40 10 20
QPF 12HR 0 0 0.01 0 0
SNOW 12HR 00-00 00-00 00-00
RAIN SHWRS S S C C S S S S S
TSTMS S S S S S S
LAL 1 1 2 2 2 2 1 1 1 1
HAINES 5 5 5 4 3 3 4 4 4 4
MIX HGT 800 900 4700 4800 600 1000 5000 5000 700 1900
T WIND DIR S SW W W SW W W SW SW SW
T WIND SPD 12 13 13 16 3 3 12 14 9 13
SMOKE DISP PR PR GD GD PR PR GD GD PR PR
ADI 12 16 48 68 2 5 64 75 11 34
MAX LVORI 4 4 3 3 6 7 4 3 5 5
STABILITY B E E B B F E B B E
CEILING 13800 9800 10300 4000 7200 5500 8000 14800 14800 30000
PRESSURE 29.90 29.85 29.84 29.78 29.80 29.79 29.81 29.77 29.77 29.77
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 86 72 88 61 77 59 80 61 81
TEMP 85 80 74 76 86 79 67 65 76 71 62 64 78 73 64 65 79 75
DEWPT 72 71 71 73 72 68 64 60 55 55 56 59 57 58 60 63 62 63
MIN/MAX RH 64 99 55 93 47 90 45 100 52
RH 65 74 92 92 63 68 90 84 48 56 80 84 48 60 89 95 56 66
WIND DIR S S SW SW SW W NW N N NW E N E SE SE E SE SE
WIND SPD 11 8 5 8 13 8 5 8 8 3 1 3 5 4 2 3 8 5
AVG CLOUDS B1 B1 SC SC SC B1 B1 B1 SC FW FW FW FW FW FW SC SC SC
POP 12HR 30 20 60 50 20 5 10 10 20
RAIN SHWRS S C S S L C C S S
TSTMS C S L 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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