National Weather Service United States Department of Commerce

Severe Thunderstorms in the East Sunday; Excessive Heat Lingers in the Southern U.S. and Returning to California

Scattered damaging winds from severe thunderstorms will be possible across parts of the Northeast and Mid-Atlantic States Sunday. Excessive heat will continue over the southern U.S. Sunday before another round of heat arrives Monday through the central and southern U.S. spreading into the East by Independence Day. California will see excessive heat starting Tuesday. Read More >


	EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Wakefield VA
510 PM EDT Sat Jun 29 2024

VAZ081-300800-
James River NWR RAWS-Prince George VA
37.25N  77.25W Elev. 50 ft
510 PM EDT Sat Jun 29 2024

Date           06/29/24      Sun 06/30/24            Mon 07/01/24            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                      77          94          65          81          60
TEMP             88 83 80 78 81 90 93 91 83 77 74 68 69 76 79 80 74 67 64 61 66
DEWPT            73 73 74 73 76 76 74 75 76 75 71 64 59 56 56 57 58 58 57 57 61
MAX/MIN RH                   88          54          94          44          89
RH               61 72 81 85 84 64 54 61 80 94 90 88 71 51 45 45 58 72 77 86 83
WIND DIR          S  S  S  S SW SW SW SW SW SW  N  N  N  N  N  N  N  N  N  N  N
WIND DIR DEG     17 18 20 20 21 21 22 21 22 21 34 00 35 00 00 01 02 02 35 00 02
WIND SPD          4  5  4  4  4  8  9  9  4  3  4  9 10 10  9  9  3  2  2  2  2
CLOUDS           SC SC SC SC B1 B1 B1 B2 B2 B2 B2 B2 B1 FW FW FW FW FW FW FW FW
CLOUDS(%)        43 44 42 43 55 52 69 77 77 78 80 72 51 22 14  9  7  7  6 12 12
VSBY              7  7  7  7  7  7  6  6  6  6  7  7  7  7  7  7  7  7  7  7  7
POP 12HR                     10          70          80           5           0
QPF 12HR                      0        0.32        0.60           0           0
SNOW 12HR                 00-00       00-00       00-00                        
RAIN SHWRS                    S  S  L  L  L  D  C  S                           
TSTMS                            S  L  L  L  C                                 
LAL                     1     1     4     4     4     1     1     1     1     1
HAINES                  4     3     3     4     4     3     5     5     4     4
MIX HGT               600  1400  5200  4300   600  1800  4900  5900   900  1400
T WIND DIR              S     S    SW    SW     W     N     N     N     N     N
T WIND SPD             10    13    16    20     3    18    12    12     4     3
SMOKE DISP             PR    PR    GD    GD    PR    PR    FR    GD    PR    PR
ADI                    10    24    82    86     5    44    72    90     4    12
MAX LVORI               4     5     3     4     8     5     1     3     4     7
STABILITY               E     E     B     C     F     D     C     B     F     F
CEILING             11300  4700 15100 10800  8000  3600  4700 30000  4500  4000
PRESSURE            29.90 29.90 29.89 29.77 29.79 29.85 29.94 29.92  30.0 30.02


Date           07/02Wed 07/03/24Thu 07/04/24Fri 07/05/24Sat 07/06/24
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          85    61    88    70    97    73    97    74    96
TEMP          83 76 66 67 85 82 74 76 94 88 78 79 95 89 79 79 94 88
DEWPT         60 62 63 65 62 65 64 69 70 73 72 73 72 74 73 74 73 73
MIN/MAX RH       43   100    43    88    45    93    47    95    48
RH            46 63 90 93 46 56 71 79 46 60 81 82 49 62 81 84 51 62
WIND DIR       E SE SE  S  S SE  S SW SW  S  S SW SW SW  S SW SW  S
WIND SPD       5  4  3  2  3  4  5  4  5  4  3  2  5  3  3  3  5  3
AVG CLOUDS    FW SC SC SC SC SC FW FW SC B1 B1 SC SC B1 SC SC SC SC
POP 12HR          0     0     0     5    30    20    30    30    30
RAIN SHWRS                                C  S        C  C        C
TSTMS                                     C  S        C  C        C

$$
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