Post-Tropical Cyclone IVO
ZCZC MIATCDEP4 ALL
TTAA00 KNHC DDHHMM
POST-TROPICAL CYCLONE IVO DISCUSSION NUMBER 14
NWS NATIONAL HURRICANE CENTER MIAMI FL EP092013
200 PM PDT SUN AUG 25 2013
IVO HAS BECOME A LARGE SWIRL OF LOW- TO MID-LEVEL CLOUDS WITH SOME
WEAK SHOWER ACTIVITY LOCATED WELL TO THE NORTH OF THE CENTER.
THE SYSTEM HAS LACKED ORGANIZED DEEP CONVECTION FOR ABOUT 12
HOURS...AND IS OVER SSTS OF AROUND 20 DEGREES CELSIUS. AS A
RESULT...ORGANIZED DEEP CONVECTION IS NOT EXPECTED TO RETURN...AND
IVO IS BEING DECLARED A REMNANT LOW. THIS WILL BE THE LAST NHC
ADVISORY ON THIS SYSTEM. THE INITIAL INTENSITY IS LOWERED TO 25 KT
AND IS IN AGREEMENT WITH A RECENT PARTIAL ASCAT-B OVERPASS.
THE INITIAL MOTION IS 340/7 KT. THE REMNANT LOW SHOULD SLOW DOWN
AND BECOME NEARLY STATIONARY DURING THE NEXT DAY OR SO. THE MODEL
GUIDANCE IS IN GOOD AGREEMENT ON THIS SCENARIO...AND THE UPDATED
TRACK FORECAST IS CLOSE TO THE PREVIOUS ADVISORY.
MOISTURE FROM THIS SYSTEM IS FORECAST TO CONTINUE TO SPREAD
NORTHWARD ACROSS THE THE NORTHERN PORTION OF THE BAJA CALIFORNIA
PENINSULA...NORTHWESTERN MEXICO...AND THE SOUTHWESTERN UNITED
STATES DURING THE NEXT COUPLE OF DAYS. THESE RAINS COULD PRODUCE
FLASH FLOODING IN THESE AREAS.
FORECAST POSITIONS AND MAX WINDS
INIT 25/2100Z 25.7N 115.2W 25 KT 30 MPH...POST-TROP/REMNT LOW
12H 26/0600Z 26.4N 115.7W 25 KT 30 MPH...POST-TROP/REMNT LOW
24H 26/1800Z 26.7N 116.1W 20 KT 25 MPH...POST-TROP/REMNT LOW
36H 27/0600Z 26.6N 116.3W 20 KT 25 MPH...POST-TROP/REMNT LOW
48H 27/1800Z 26.5N 116.5W 20 KT 25 MPH...POST-TROP/REMNT LOW
72H 28/1800Z...DISSIPATED
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FORECASTER BROWN
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