000
WTPZ33 KNHC 112034
TCPEP3
BULLETIN
TROPICAL DEPRESSION LOWELL ADVISORY NUMBER  20
NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL   EP132008
200 PM PDT THU SEP 11 2008

...LOWELL QUICKLY LOSING TROPICAL CHARACTERISTICS AS IT MOVES CLOSER
TO MAINLAND MEXICO...
...LOCALLY HEAVY RAINFALL OCCURRING OVER SINALOA STATE...
 
AT 200 PM PDT...2100Z...THE CENTER OF TROPICAL DEPRESSION LOWELL WAS
LOCATED NEAR LATITUDE 24.9 NORTH...LONGITUDE 108.9 WEST OR ABOUT 65
MILES...100 KM...SOUTH OF LOS MOCHIS MEXICO.
 
THE DEPRESSION IS MOVING TOWARD THE NORTH NEAR 12 MPH. THIS GENERAL
MOTION IS EXPECTED TO CONTINUE FOR THE NEXT 24 HOURS. ON THE
FORECAST TRACK...LOWELL SHOULD MOVE ONSHORE THE MAINLAND MEXICAN
COAST OF THE STATE OF SINALOA LATER TONIGHT AND QUICKLY WEAKEN.
 
MAXIMUM SUSTAINED WINDS ARE NEAR 30 MPH...45 KM/HR...WITH HIGHER
GUSTS. LITTLE CHANGE IN STRENGTH IS FORECAST UNTIL LANDFALL
OCCURS...WITH RAPID WEAKENING OCCURRING AFTERWARD. HOWEVER...HEAVY
RAINFALL WILL STILL BE POSSIBLE ACROSS PORTIONS OF MAINLAND MEXICO
AFTER LOWELL DISSIPATES AS A TROPICAL CYCLONE.
 
THE ESTIMATED MINIMUM CENTRAL PRESSURE IS 1003 MB...29.62 INCHES.
 
LOWELL IS EXPECTED TO PRODUCE AN ADDITIONAL 1 INCH OF RAINFALL
ACROSS SOUTHERN BAJA CALIFORNIA TODAY. RAINFALL TOTALS OF 2 TO 4
INCHES ...WITH ISOLATED MAXIMUM AMOUNTS OF 6 INCHES...WILL BE
POSSIBLE OVER PORTIONS OF THE STATES OF SINALOA AND SONORA IN
MAINLAND MEXICO. THESE RAINS COULD CAUSE ISOLATED FLASH FLOODING
AND MUD SLIDES... ESPECIALLY IN HIGHER TERRAIN.

REPEATING THE 200 PM PDT POSITION...24.9 N...108.9 W.  MOVEMENT
TOWARD...NORTH NEAR 12 MPH.  MAXIMUM SUSTAINED WINDS...30 MPH.
MINIMUM CENTRAL PRESSURE...1003 MB.
 
THE NEXT ADVISORY WILL BE ISSUED BY THE NATIONAL HURRICANE CENTER AT
800 PM PDT.
 
$$
FORECASTER STEWART