National Weather Service United States Department of Commerce

	EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Wakefield VA
511 PM EDT Mon Jul 28 2025

MDZ021-290800-
Blackwater NWR RAWS-Dorchester MD
38.42N  76.00W Elev. 8 ft
511 PM EDT Mon Jul 28 2025

Date           07/28/25      Tue 07/29/25            Wed 07/30/25            Thu
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                      76          95          77          95          77
TEMP             87 80 78 77 82 90 94 93 87 82 79 78 83 89 93 92 86 81 79 78 82
DEWPT            73 74 76 75 77 75 73 72 74 74 75 74 76 76 75 73 74 74 76 75 77
MAX/MIN RH                   96          49          91          54          92
RH               63 82 93 94 85 61 51 51 64 78 88 88 80 65 57 55 68 79 91 91 86
WIND DIR          N  S SW SW NW  W SW SW  S  S  S SW SW SW  S  S  S  S  S  S  S
WIND DIR DEG     00 16 20 24 30 27 24 22 18 18 19 20 21 20 19 19 18 18 18 19 19
WIND SPD          2  2  2  1  2  2  3  3  3  3  3  2  2  3  5  6  5  4  4  3  4
CLOUDS           FW FW CL FW FW FW SC SC FW SC FW FW FW FW FW FW FW SC SC SC B1
CLOUDS(%)         9  6  5 19 22 22 28 26 24 26 16 14 17 17 15 11 25 39 41 49 53
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           5          20
QPF 12HR                      0           0           0           0           0
SNOW 12HR                 00-00       00-00       00-00                        
RAIN SHWRS                                                        S  S        S
TSTMS                                                             S  S         
MIX HGT               600   900  5100  4700   700  1200  4200  4000   700  1400
T WIND DIR             SW     W     W    SW     S    SW    SW     S     S    SW
T WIND SPD              3     4     3     4     9     8     8    11    12     6
SMOKE DISP             PR    PR    PR    PR    PR    PR    PR    PR    PR    PR
ADI                     2     5    23    24     5    13    48    47     7    17
MAX LVORI               7     8     3     3     5     6     3     3     6     6
STABILITY               F     F     A     A     F     F     A     B     F     E
CEILING             30000 30000 30000 25700 30000 30000  4000 13800 12700  4200
PRESSURE            29.97 29.98 30.01 29.97 29.97 29.98 30.01 29.97 29.97 29.95


Date           07/31Fri 08/01/25Sat 08/02/25Sun 08/03/25Mon 08/04/25
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          90    73    81    67    81    63    83    64    83
TEMP          88 80 74 75 79 75 69 70 80 74 66 69 82 75 66 70 82 76
DEWPT         76 75 73 73 72 68 65 64 61 61 60 62 58 60 60 63 61 63
MIN/MAX RH       68    97    77    90    50    86    44    87    48
RH            68 84 97 94 81 79 87 81 52 64 83 78 44 60 83 78 49 63
WIND DIR       S  E  E  N  N NE NE  N NE  E NE NE  E  E  E NE  E SE
WIND SPD       5  5  3  5  9  8  4  8  9  4  3  4  6  4  2  3  4  4
AVG CLOUDS    B1 B2 B2 B2 B2 B2 B1 SC SC SC FW FW FW SC SC FW SC SC
POP 12HR         50    80    50    30    10     5     5     5    10
RAIN SHWRS     S  C  D  L  C  C  C                                 
TSTMS             C  C  S  S  C  S                                 

$$

MDZ022-290800-
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