FNUS74 KJAN 182025
FWSJAN

SPOT FORECAST FOR OVERFLOW LIGHTNING...USFWS
NATIONAL WEATHER SERVICE JACKSON MS
325 PM CDT THU JUL 18 2013

FORECAST IS BASED ON REQUEST TIME OF 1511 CDT ON JULY 18.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.

.DISCUSSION...SHOWERS AND THUNDERSTORMS ARE ONGOING IN CLOSE PROXIMITY
TO THE BURN SITE WITH THE BURN SITE LIKELY IMPACTED BY HEAVY DOWNPOURS
WITHIN THE NEXT HALF HOUR TO HOUR. A SEVERE THUNDERSTORM IS CURRENTLY
LOCATED OVER NORTH CHICOT COUNTY AND WILL SLOWLY MOVE SOUTHEAST TOWARDS
THE BURN SITE. WHILE THE STORM MAY NOT BE SEVERE BY THE TIME IT REACHES
THE SITE...STRONG GUSTY WINDS OF 30 TO 40 MPH COULD BE POSSIBLE FROM THE
NORTHEAST ALONG WITH FREQUENT LIGHTNING AND VERY HEAVY RAIN.

THIS ACTIVITY WILL SLOWLY WANE THROUGH THE MID EVENING HOURS AND
DISSIPATE BY LATE EVENING WITH CALM WINDS OVERNIGHT. FOG IS
PROBABLE GIVEN HIGH GROUND MOISTURE FROM THE RAINS OVERNIGHT
FROM 3AM-8AM WITH INCREASED MIXING THEREAFTER.

.TONIGHT...
TIME (CDT)      6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM
SKY (%).........PC  PC  PC  PC  PC  PC  PC  PC  PC  PC  PC  PC
WEATHER COV.....CHC CHC CHC CHC CHC CHC CHC CHC CHC CHC CHC CHC
WEATHER TYPE....TSM TSM TSM TSM TSM TSM TSM TSM TSM TSM TSM TSM
TEMP............92  90  86  81  79  77  75  75  74  73  73  72
RH..............49  52  60  70  74  77  81  81  83  86  89  92
20 FT WIND DIR..NE  N   NE  NE  NE  NE  E   E   SE  SE  SE  S
20 FT WIND SPD..3   3   3   2   2   2   1   1   1   1   1   1
20 FT WIND GUST.5
MIX HGT (KFT)...7.4 6.5 4.9 2.7 0.3 0.3 0.3 0.3 0.3 0.3 0.3 0.3
MIX HGT (KM)....2.3 2.0 1.5 0.8 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1
TRANSP WIND DIR.E   E   E   E   E   E   SE  S   S   S   S   S
TRANSP WIND SPD.9   7   6   3   2   1   1   1   1   1   1   2
TRANS SPD (M/S).4   3   3   1   1   0   0   0   0   0   0   1

.FRIDAY...
TIME (CDT)      6 AM   8 AM   10 AM  NOON   2 PM   4 PM
SKY (%).........PCLDY  PCLDY  PCLDY  PCLDY  PCLDY  PCLDY
WEATHER COV.....CHANCE S CHC  S CHC  S CHC  CHANCE CHANCE
WEATHER TYPE....TSTORM TSTORM TSTORM TSTORM TSTORM TSTORM
TEMP............71     76     84     92     93     95
RH..............95     85     70     52     47     44
20 FT WIND DIR..W      W      W      NW     NW     W
20 FT WIND SPD..1      2      3      3      3      5
20 FT WIND GUST.                            5      7
MIX HGT (FT)....300    2500   6000   7200   7600   8100
MIX HGT (M).....90     760    1830   2190   2320   2470
TRANSPORT WIND..SE 2   S 3    SW 3   S 3    S 6    S 9
TRAN WIND (M/S).SE 1   S 1    SW 1   S 1    S 3    S 4

$$
FORECASTER...ALLEN
REQUESTED BY...MATTHEW JOHNSON
TYPE OF REQUEST...WILDFIRE
.TAG 20130718.OVERF.01/JAN