TCFA. Pretty quick.
WTPN21 PHNC 101430
MSGID/GENADMIN/NAVMARFCSTCEN PEARL HARBOR HI/JTWC//
SUBJ/TROPICAL CYCLONE FORMATION ALERT//
RMKS/
1. FORMATION OF A SIGNIFICANT TROPICAL CYCLONE IS POSSIBLE WITHIN
220 NM EITHER SIDE OF A LINE FROM 7.9N 89.9W TO 9.8N 97.9W WITHIN
THE NEXT 06 TO 24 HOURS. AVAILABLE DATA DOES NOT JUSTIFY IS-
SUANCE OF NUMBERED TROPICAL CYCLONE WARNINGS AT THIS TIME. WINDS
IN THE AREA ARE ESTIMATED TO BE 15 TO 20 KNOTS. METSAT IMAGERY AT
101400Z INDICATES THAT A CIRCULATION CENTER IS LOCATED NEAR 8.0N
90.8W. THE SYSTEM IS MOVING WESTWARD AT 09 KNOTS.
2. REMARKS: AN AREA OF CONVECTION HAS PERSISTED NEAR 8.0N 90.8W,
APPROXIMATELY 755 NM SOUTHEAST OF ACAPULCO, MEXICO. RECENT ANIMATED
SATELLITE IMAGERY INDICATES IMPROVED CONSOLIDATION OVER THE PAST
12 HOURS. A 100747Z AMSR-E 36V/H DEPICTS A WELL-DEFINED LOW-
LEVEL CIRCULATION CENTER (LLCC) WITH TIGHTLY-WRAPPED CONVECTIVE
BANDING. OVERALL, THE LLCC IS LOCATED IN A FAVORABLE ENVIRONMENT
WITH GOOD OUTFLOW, WARM SST AND WEAK VERTICAL WIND SHEAR.
MAXIMUM SUSTAINED SURFACE WINDS ARE ESTIMATED AT 15 TO 20 KNOTS.
MINIMUM SEA LEVEL PRESSURE IS ESTIMATED TO BE NEAR 1005 MB. DUE
TO THE RAPIDLY IMPROVED CONSOLIDATION OF THE LLCC AND THE 36 GHZ
SIGNATURE, THE POTENTIAL FOR DEVELOPMENT OF A SIGNIFICANT
TROPICAL CYCLONE WITHIN THE NEXT 24 HOURS IS GOOD.
3. THIS ALERT WILL BE REISSUED, UPGRADED TO WARNING OR CANCELLED
BY 111430Z.//
![Image](http://www.nrlmry.navy.mil/htdocs_dyn/tc_pages/thumbs/EPAC/tc08/98E.INVEST/pacific/southern_hemisphere/geo/ir/1km/20080710.1415.goes12.x.ir1km.98EINVEST.20kts-1009mb-80N-908W.100pc.jpg)