National Weather Service United States Department of Commerce

	EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Wakefield VA
510 PM EDT Thu May 21 2026

MDZ022-220800-
Powellville RAWS - Wicomico MD
38.35N  75.42W Elev. 16 ft
510 PM EDT Thu May 21 2026

Date           05/21/26      Fri 05/22/26            Sat 05/23/26            Sun
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          59          53          63          60
TEMP             62 59 58 57 58 58 57 56 55 54 55 55 57 59 61 62 62 63 64 66 66
DEWPT            53 53 54 54 53 53 53 53 52 54 54 53 55 57 58 59 60 62 63 63 65
MAX/MIN RH                   89          83          99          91          99
RH               72 81 86 88 83 83 86 90 91 99 95 93 95 94 91 92 94 97 97 92 96
WIND DIR         NE NE NE NE NE NE NE NE  E  E  E  E  E  E  E  E  E  E SE SE  S
WIND DIR DEG     05 05 05 05 05 05 06 06 07 07 07 07 07 07 07 08 08 09 11 14 17
WIND SPD         11  9  8  8  8  9 11 12 10 10 10 10 10 11 11 11  9  6  5  4  3
CLOUDS           OV OV OV OV OV OV OV OV OV OV OV OV OV OV OV OV OV OV OV OV OV
CLOUDS(%)        92 99 98 99 98 90 94 93 91 93 92 93 90 90 90 90 89 92 93 93 88
VSBY              7  7  6  7  7  3  3  3  4  5  5  6  6  6  6  6  6  6  6  6  6
POP 12HR                     80          90          90          80          90
QPF 12HR                   0.35        0.31        0.22        0.05        0.22
SNOW 12HR                 00-00       00-00       00-00                        
RAIN SHWRS        S  C  L  L  D  D  D  L  D  D  D  D  L  L  D  D  D  D  D  D  D
TSTMS                                                          S  S  S  S  S  S
Obvis                              PF                                          
MIX HGT              1300  1200  1600  1700   900  1100  1400  1400   900   700
T WIND DIR             NE    NE     E     E     E     E     E     E     E     S
T WIND SPD             18    20    25    21    19    19    23    20    12     9
SMOKE DISP             PR    PR    PR    PR    PR    PR    PR    PR    PR    PR
ADI                    18    33    49    41    18    28    39    38    14     9
MAX LVORI               4     5     4     5     5     5     4     5     8     6
STABILITY               D     D     C     D     D     D     D     D     D     E
CEILING              2900  2900  1700  1000  1000  1000   300  1000   300   300
PRESSURE            30.13 30.13 30.20 30.21 30.26 30.23 30.26 30.26 30.22 30.14


Date           05/24Mon 05/25/26Tue 05/26/26Wed 05/27/26Thu 05/28/26
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          77    63    72    63    73    62    81    62    78
TEMP          75 74 67 66 71 69 66 66 73 69 65 67 79 74 67 67 77 70
DEWPT         67 66 65 65 67 65 64 64 64 63 62 63 62 62 60 60 58 58
MIN/MAX RH       74    96    83    99    74    96    54    83    50
RH            76 76 92 98 86 88 93 93 74 81 91 87 56 66 78 79 52 66
WIND DIR      SW SE  E SE  S SE SW  N SE  S  N NW  W SW  W  N  N  E
WIND SPD       4  3  2  2  4  3  1  1  3  2  0  1  3  2  1  3  5  3
AVG CLOUDS    OV B2 B2 B2 B2 B2 B2 B2 B2 B2 B2 B2 B2 B1 B1 B1 B1 SC
POP 12HR         80    60    60    70    50    40    20    20    20
RAIN SHWRS     D  C  C  L  C  L  L  C  C  C  C  C  S  S  S  S     S
TSTMS          S  C  S  S     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
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