EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Wakefield VA
510 AM EDT Mon May 11 2026
MDZ021-112000-
Blackwater NWR RAWS-Dorchester MD
38.42N 76.00W Elev. 8 ft
510 AM EDT Mon May 11 2026
Date Mon 05/11/26 Tue 05/12/26 Wed 05/13/26
UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00
EDT 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20
MAX/MIN 59 48 70 55 75
TEMP 57 57 58 58 56 52 50 48 53 63 68 69 63 56 57 58 62 69 73 72 67
DEWPT 49 48 48 45 46 46 46 44 44 40 38 37 42 47 50 50 51 52 53 55 57
MIN/MAX RH 63 86 31 78 50
RH 74 73 70 64 68 80 86 86 72 43 34 31 46 70 78 76 67 56 51 55 70
WIND DIR NE N N N W SW W N N N NW W SW S S S S S S S S
WIND DIR DEG 03 01 00 35 25 24 29 34 01 35 33 28 20 17 17 19 19 19 19 18 17
WIND SPD 9 8 5 3 2 2 3 3 5 8 6 3 1 3 4 5 10 14 16 14 10
CLOUDS OV OV OV OV FW FW FW CL CL CL CL CL FW FW SC SC SC B1 B2 B2 OV
CLOUDS(%) 92 94 94 90 12 13 10 5 2 3 2 3 20 24 31 39 36 55 78 79 97
VSBY 7 6 7 7 7 7 7 7 7 7 7 7 7 7 7 7 7 7 7 7 6
POP 12HR 60 0 0 0 50
QPF 12HR 0.12 0 0 0 0.12
SNOW 12HR 00-00 00-00 00-00
RAIN SHWRS S L C C C D
TSTMS S
MIX HGT 3000 3000 600 1400 5300 5200 500 2000 4700 4000
T WIND DIR NE NW W N N W S S SW S
T WIND SPD 11 4 4 9 13 5 8 13 28 27
SMOKE DISP PR PR PR PR GD PR PR PR VG VG
ADI 43 15 2 30 84 48 5 51 114 83
MAX LVORI 3 3 6 6 1 2 4 4 1 3
STABILITY C C F F B A F F D D
CEILING 4200 5900 30000 22700 30000 30000 23500 6300 16500 7200
PRESSURE 30.09 30.09 30.10 30.13 30.20 30.17 30.14 30.07 30.0 29.86
Date Thu 05/14/26Fri 05/15/26Sat 05/16/26Sun 05/17/26
UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00
EDT 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20
MIN/MAX 58 73 54 73 59 81 64 86
TEMP 61 60 71 66 58 58 71 68 62 63 79 75 68 68 84 78
DEWPT 59 57 51 50 49 49 49 51 53 54 54 57 58 59 59 59
MAX/MIN RH 96 47 77 43 78 41 75 40
RH 93 89 50 56 74 73 46 55 73 72 42 54 71 71 42 52
WIND DIR SW NW NW NW NW NW NW W SW SW SW S SW SW SW S
WIND SPD 8 6 8 3 4 8 9 2 3 3 6 3 3 3 6 3
AVG CLOUDS OV B1 SC FW FW FW FW FW FW SC SC FW FW FW FW FW
POP 12HR 100 20 5 5 0 5 5 5
RAIN SHWRS D C S
TSTMS C
$$
MDZ022-112000-
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
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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