EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE WAKEFIELD VA
510 PM EDT SAT SEP 25 2021
MDZ022-260900-
POWELLVILLE RAWS - WICOMICO MD
38.35N 75.42W ELEV. 16 FT
510 PM EDT SAT SEP 25 2021
DATE 09/25/21 SUN 09/26/21 MON 09/27/21 TUE
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 74 53 79 62
TEMP 65 60 58 58 59 68 71 70 62 58 57 56 58 73 78 76 69 66 67 65 65
DEWPT 59 57 55 55 57 54 50 50 52 51 51 52 54 57 55 56 59 59 58 59 61
MAX/MIN RH 94 45 89 45 86
RH 81 90 90 90 93 61 47 49 69 78 81 86 86 56 45 50 71 77 74 80 86
WIND DIR W W W NW NW NW NW NW W W W W W SW SW SW S SW SW SW SW
WIND DIR DEG 28 27 27 30 31 32 31 30 29 27 25 26 26 24 23 22 20 21 22 23 23
WIND SPD 2 3 3 5 9 11 11 10 4 3 3 3 4 6 10 9 5 6 8 6 6
CLOUDS B1 FW FW FW CL CL CL CL CL FW CL CL FW FW FW FW FW FW FW FW FW
CLOUDS(%) 58 25 6 6 2 1 1 2 2 6 5 3 7 16 14 11 7 9 15 24 23
VSBY 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 0
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 4 5 5 5 5 4 5 4 5
MIX HGT 300 800 4500 4700 300 300 3400 3300 400 400
T WIND DIR W W NW W W W SW SW SW SW
T WIND SPD 3 9 18 14 4 4 11 16 11 9
SMOKE DISP PR PR GD GD PR PR FR FR PR PR
ADI 2 9 58 59 2 3 56 61 8 8
MAX LVORI 7 6 3 3 5 7 4 3 4 5
STABILITY B F E C B F F B B F
CEILING 26600 4000 30000 28900 26600 26600 10800 13800 11700 12700
PRESSURE 29.89 29.89 29.95 29.94 30.01 30.03 30.05 29.96 29.93 29.90
DATE 09/28 WED 09/29/21 THU 09/30/21 FRI 10/01/21 SAT 10/02/21
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 81 60 73 52 70 52 70 52 72
TEMP 79 71 64 62 72 63 56 55 68 61 55 55 68 61 55 55 70 63
DEWPT 62 64 63 61 57 55 51 51 52 52 50 51 52 53 51 53 54 55
MIN/MAX RH 54 100 54 92 51 93 52 95 53
RH 55 79 96 97 59 75 82 86 57 72 83 86 56 75 85 92 57 74
WIND DIR SW W NW N N N N N N N N N N N N N NW NW
WIND SPD 6 3 3 6 10 6 6 8 10 6 6 9 10 5 4 5 9 4
AVG CLOUDS SC SC B1 B1 SC SC FW FW FW FW FW FW FW SC SC SC SC FW
POP 12HR 30 40 20 10 5 5 10 10 10
RAIN SHWRS C C S S
TSTMS C C
$$
MDZ025-260900-
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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