Tropical Depression JOHN
ZCZC MIATCDEP1 ALL
TTAA00 KNHC DDHHMM
TROPICAL DEPRESSION JOHN DISCUSSION NUMBER 28
NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL EP112006
200 AM PDT MON SEP 04 2006
IT IS VERY DIFFICULT TO FIND THE CENTER ON SATELLITE IMAGERY AND ITS
LOCATION IS BASED ON EXTRAPOLATION. THERE IS ONLY A SMALL AREA OF
THUNDERSTORMS ASSOCIATED WITH THE CYCLONE...AND ALL INDICATIONS ARE
THAT JOHN IS WEAKENING FAST. I WAS TEMPTED TO WRITE THE LAST
ADVISORY ON THIS SYSTEM BUT IT IS ALWAYS A GOOD DECISION TO WAIT FOR
THE MORNING VISIBLE IMAGERY TO CONFIRM THAT THERE IS NO LONGER A
CENTER.
JOHN APPEARS TO BE MOVING SLOWLY TOWARD THE NORTH-NORTHWEST AT ABOUT
3 KNOTS. THIS MOTION IS EXPECTED TO CONTINUE UNTIL DISSIPATION
LATER TODAY.
WATER VAPOR IMAGERY CONTINUES TO SHOW A VERY BROAD AREA OF MID- TO
UPPER LEVEL MOISTURE ADVECTING OVER NORTHWESTERN MEXICO AND THE
SOUTHWESTERN UNITED STATES. THEREFORE...SIGNIFICANT RAINFALL
AMOUNTS IN THOSE PARTICULAR AREAS REMAIN A POSSIBILITY.
FORECAST POSITIONS AND MAX WINDS
INITIAL 04/0900Z 28.4N 113.1W 25 KT
12HR VT 04/1800Z 29.0N 113.5W 20 KT...REMNANT LOW
24HR VT 05/0600Z 30.0N 114.5W 20 KT...REMNANT LOW
36HR VT 05/1800Z...DISSIPATED
$$
FORECASTER AVILA
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