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Hurricane Tracking Center

Active Tropical Systems Basin Outlooks Satellite
June 2008 Eastern Pacific Monthly Summary
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000
ABPZ30 KNHC 011717
TWSEP
MONTHLY TROPICAL WEATHER SUMMARY
NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL
800 AM PDT TUE JUL 1 2008

FOR THE EASTERN NORTH PACIFIC...EAST OF 140 DEGREES WEST LONGITUDE..

OVERALL ACTIVITY IN THE EASTERN PACIFIC WAS ABOUT NORMAL FOR THE
MONTH OF JUNE. TWO TROPICAL STORMS FORMED DURING THE MONTH...WHICH
MATCHES THE LONG TERM CLIMATOLOGY IN THE BASIN.  ALTHOUGH JUNE
AVERAGES ONE HURRICANE...NEITHER OF THE TROPICAL CYCLONES BECAME A
HURRICANE IN THAT MONTH.  HOWEVER...BORIS WAS JUST SHY OF THAT
INTENSITY IN JUNE AND BECAME A HURRICANE A FEW HOURS AFTER THE
START OF JULY.

BORIS FORMED ON 27 JUNE FROM AN AREA OF LOW PRESSURE ASSOCIATED WITH
AN AFRICAN EASTERLY WAVE. THIS WAVE LEFT THE COAST OF WEST AFRICA
ON 15 JUNE...MOVED ACROSS THE TROPICAL NORTH ATLANTIC AS A HIGH
AMPLITUDE DISTURBANCE...AND CROSSED INTO THE EASTERN NORTH PACIFIC
ON 23 JUNE. CONVECTION SLOWLY BECAME ORGANIZED DURING THE NEXT FEW
DAYS AS THE WAVE CONTINUED MOVING SLOWLY WESTWARD. BY EARLY ON 27
JUNE...THE SYSTEM HAD DEVELOPED INTO A TROPICAL DEPRESSION WHEN IT
WAS ABOUT 570 MILES SOUTH-SOUTHWEST OF MANZANILLO MEXICO. LATER
THAT DAY...THE DEPRESSION STRENGTHENED AND REACHED TROPICAL STORM
INTENSITY. BORIS MOVED GENERALLY TOWARD THE WEST DURING THE NEXT
TWO DAYS WITH LITTLE CHANGE IN INTENSITY. ON 29 JUNE...THE CYCLONE
STRENGTHENED TO NEAR HURRICANE INTENSITY WHILE A RAGGED EYE WAS
APPARENT FOR SEVERAL HOURS. BORIS MAINTAINED THAT APPROXIMATE
STRENGTH ON 30 JUNE BEFORE BECOMING A HURRICANE EARLY ON 1 JULY.
BORIS IS CURRENTLY A 75 MPH HURRICANE ABOUT 1140 MILES WEST-
SOUTHWEST OF THE SOUTHERN TIP OF BAJA CALIFORNIA.

CRISTINA HAD ITS ORIGINS IN A TROPICAL WAVE THAT CROSSED CENTRAL
AMERICA ON 21 JUNE AND MOVED INTO THE EASTERN NORTH PACIFIC BY 22
JUNE.  FOR THE NEXT FEW DAYS...AN AREA OF SHOWERS AND THUNDERSTORMS
ASSOCIATED WITH THE WAVE MOVED WESTWARD WITHIN THE INTERTROPICAL
CONVERGENCE ZONE WITH LITTLE CHANGE IN ORGANIZATION.  BY 26 JUNE
THE CLOUD PATTERN ASSOCIATED WITH THE SYSTEM BEGAN TO BECOME BETTER
ORGANIZED...AND A DEPRESSION FORMED ON 27 JUNE ABOUT 1050 MILES
SOUTHWEST OF THE SOUTHERN TIP OF BAJA CALIFORNIA.  THE TROPICAL
CYCLONE INITIALLY MOVED WEST-NORTHWESTWARD AND STRENGTHENED INTO A
TROPICAL STORM ON 28 JUNE WHILE TURNING WESTWARD.  CRISTINA REACHED
AN INTENSITY OF 50 MPH EARLY ON 29 JUNE.  ON 30 JUNE...CRISTINA
WEAKENED TO A DEPRESSION...AND AT MONTH'S END WAS DEGENERATING INTO
A REMNANT LOW.

SUMMARY TABLE

NAME           DATES             MAX WIND (MPH)       DEATHS
-----------------------------------------------------------------
H  BORIS       27 JUN -              75                 0
TS CRISTINA    27 JUN - 1 JUL        50                 0
-----------------------------------------------------------------

NOTES...DATES BASED ON COORDINATED UNIVERSAL TIME (UTC)

$$
FORECASTER PASCH/LANDSEA/FRANKLIN/BLAKE