Tropical Cyclone Report
Tropical Depression 17F (Numbered on May 10, 2011)
Report number: 17F2011report
Time of issuance: 2011-5-10 to
Time of issuance: 2011-5-10 to
Basic InformationIntensity: Tropical Depression (FMS)
Maximum sustained winds (10-min): / Maximum sustained winds (1-min): / Maximum gusts: / Maximum measured sustained winds: / Maximum measured gusts: / Minimum sea level pressure: 1006 hPa (FMS) Minimum measured sea level pressure: / Route taken: Landfall Area: NONE |
Graphics at the strongest time |
Brief Description
A cluster of cloudiness was numbered in Southwest Indian Ocean SW of Sumatra, Indonesia (west of 90E) at May 04 1800Z.
Daily Summaries
2011/5/10 #1
|
================================
Tropical Disturbance Summary For area Equator to 25S, 160E to 120W ISSUED FROM RSMC NADI May 10/2306 UTC 2011 UTC. TROPICAL DEPRESSION TD17F [1006 HPA] WAS ANALYSED NEAR 20.0S 159.4W AT 102100 UTC. POSITION POOR BASED ON MTSAT VIS/IR WITH ANIMATION AND PERIPHERAL OBSERVATIONS. TD17F MOVING SOUTHEAST AT ABOUT 20 KNOTS. SST AROUND 28 DEGREES CELCIUS. CONVECTION HAS INCREASED WITH SLIGHT IMPROVEMENT IN THE OVERRALL ORGANISATION IN THE PAST 24 HOURS. SYSTEM LIES TO THE EAST OF 250 HPA TROUGH IN A MODERATE TO HIGH SHEARED ENVIRONMENT. MOST GLOBAL MODELS HAVE PICKED THE SYSTEM AND MOVE IT SOUTHEAST WITH SOME INTENSIFICATION. POTENTIAL FOR THIS SYSTEM TO DEVELOP INTO A TROPICAL CYCLONE IN THE NEXT 24 TO 48 HOURS IS LOW. NO OTHER SIGNIFICANT TROPICAL DISTURBANCE ANALYSED OR FORECAST IN THE AREA. |
2011/5/11 #2 |
FMS Tropical Disturbance Summary (110900Z)
WWPS21 NFFN 110900 Tropical Disturbance Summary For area Equator to 25S, 160E to 120W ISSUED FROM RSMC NADI May 11/0927 UTC 2011 UTC. TROPICAL DEPRESSION TD17F [1008 HPA] WAS ANALYSED NEAR 20.0S 161.0W AT 110900 UTC. POSITION POOR BASED ON MTSAT VIS/IR WITH ANIMATION AND PERIPHERAL OBSERVATIONS. TD17F MOVING IS SLOW MOVING. SST AROUND 28 DEGREES CELCIUS. CONVECTION HAS INCREASED WITH SLIGHT IMPROVEMENT IN THE OVERRALL ORGANISATION IN THE PAST 24 HOURS. SYSTEM LIES TO THE EAST OF 300 HPA TROUGH IN A MODERATE TO HIGH SHEARED ENVIRONMENT. MOST GLOBAL MODELS HAVE PICKED THE SYSTEM AND MOVE IT SOUTHEAST WITH SOME INTENSIFICATION. POTENTIAL FOR THIS SYSTEM TO DEVELOP INTO A TROPICAL CYCLONE IN THE NEXT 24 TO 48 HOURS IS LOW. NO OTHER SIGNIFICANT TROPICAL DISTURBANCE ANALYSED OR FORECAST IN THE AREA. ... GALE WARNING 057 ISSUED FROM RSMC NADI May 11/1316 UTC 2011 UTC. IN THE AREA BOUNDED BY 22S 165W 22S 150W 25S 150W 25S 165W 22S 165W, EXPECT SOUTHEAST WINDS 30 TO 35 KNOTS OVER WATERS ONLY. AREA OF GALES MOVING SOUTHEAST AT 20 KNOTS. THIS WARNING CANCELS AND REPLACES WARNING 056. |
Tropical Disturbance 17FMaximum intensity: Tropical Depression (FMS); NONE (JTWC)
Maximum Wind Speed: 65km/h-75km/h (FMS); NONE (JTWC) Minimum sea surface pressure: 1006 hPa (FMS); NONE (NRL) Date: May 10-11 |
Brief description: A tropical disturbance was expected to form over Central Coral Sea and move across 160E on 27/4 by Brisbane Three-Day Outlook, but was never expected to strengthen into a tropical cyclone. At 2818Z, FMS considering it as a low pressure system, rarely stating the possibility of it intensifying to a tropical disturbance in Tropical Disturbance Summary. On 29/4, it was numbered to 16F when it drifted across southern New Caledonia and was located SE of New Caledonia. Gale Warning was also issued for the system stating 30-40kt winds. At 18Z, it was upgraded to a tropical depression. On 30/4, it entered AOR of TCWC Wellington and was treated as a low as it passed far NE of Norfolk Island, Australia. Storm Warning was issued for up to 50kt winds.
***This system is never monitored by NRL. Landfall: NONE Areas affected: NONE |
--The END--
版權所有 © 2011 香港氣象網絡 Hong Kong Online Meteorological Network (HKOMN)