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TROPICAL STORM BARBARA DISCUSSION NUMBER 10
NATIONAL WEATHER SERVICE MIAMI FL
2 AM PDT FRI JUN 22 2001
SATELLITE IMAGERY REVEAL THAT THE LOW-LEVEL CIRCULATION IS WEAKENING
WHILE BECOMING DETACHED FROM THE MID-LEVELS. DEEP CONVECTION IS
MINIMAL AT THIS TIME AND T-NUMBERS ARE GRADUALLY DECREASING. INITIAL
INTENSITY HAS BEEN ADJUSTED TO 35 KNOTS AND BECAUSE COLD WATER AND
SHEAR...FURTHER WEAKENING IS INDICATED.
BARBARA HAS BEEN MOVING TOWARD THE WEST-NORTHWEST BETWEEN 12 AND 14
KNOTS AND IS EXPECTED TO CONTINUE ON THAT GENERAL TRACK STEERED BY
THE LOW-LEVEL EASTERLY FLOW UNTIL DISSIPATION. HOWEVER...SOME
ADDITIONAL BURSTS OF CONVECTION MAY OCCURS DURING THE NEXT DAY OR
TWO. THE REMNANTS OF THIS SYSTEM SHOULD BE NEAR THE HAWAIIAN
ISLANDS IN 3 TO 4 DAYS.
FORECASTER AVILA
FORECAST POSITIONS AND MAX WINDS
INITIAL 22/0900Z 16.3N 138.5W 35 KTS
12HR VT 22/1800Z 17.0N 140.5W 30 KTS
24HR VT 23/0600Z 17.5N 143.0W 25 KTS
36HR VT 23/1800Z 18.0N 145.0W 25 KTS...DISSIPATING
48HR VT 24/0600Z 18.5N 147.5W 25 KTS...DISSIPATING
72HR VT 25/0600Z 19.5N 152.5W 20 KTS...DISSIPATING
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