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| five seasons=[[2021–22 South-West Indian Ocean cyclone season|2021–22]], [[2022–23 South-West Indian Ocean cyclone season|2022–23]], '''2023–24''', ''[[
| Australian season=2023–24 Australian region cyclone season
| South Indian season=2023–24 South Pacific cyclone season
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{{See|List of off-season South-West Indian Ocean tropical cyclones|List of tropical cyclones near the Equator}}
On 13 May, the [[Joint Typhoon Warning Center]] began monitoring a low-level circulation which persisted 588 nm east-northeast of [[Comoros]], stating it was in a favourable environment to intensify.<ref>{{Cite JTWC|date=13 May 2024|type=abio|designation=92S|time=12Z|url=https://www.metoc.navy.mil/jtwc/products/abioweb.txt|archive-url=https://web.archive.org/web/20240514131057/https://www.metoc.navy.mil/jtwc/products/abioweb.txt|archive-date=14 May 2024}}</ref> Two days later, the JTWC upgraded its chance of developing to medium as the circulation consolidated.<ref>{{Cite JTWC|date=15 May 2024|type=abio|designation=92S|time=12Z|url=https://www.metoc.navy.mil/jtwc/products/abioweb.txt|archive-url=https://web.archive.org/web/20240515233834/https://www.metoc.navy.mil/jtwc/products/abioweb.txt|archive-date=15 May 2024}}</ref> By 16 May, the JTWC issued a TCFA on the burgeoning system, stating that deep convection was occurring on the southern portion of the system.<ref>{{Cite JTWC|date=16 May 2024|type=tcfa|designation=92S|url=https://www.metoc.navy.mil/jtwc/products/sh9224web.txt|archive-url=https://web.archive.org/web/20240516111115/https://www.metoc.navy.mil/jtwc/products/sh9224web.txt|archive-date=16 May 2024}}</ref> Soon after, the MFR recognized the circulation as a zone of disturbed weather.<ref>{{Cite web |date=16 May 2024 |title=CYCLONE AND CYCLONIC ACTIVITY LA REUNION |url=https://meteofrance.re/fr/cyclone |url-status=dead |archive-url=https://archive.today/20240516124659/https://meteofrance.re/fr/cyclone |archive-date=16 May 2024}}</ref> Soon afterwards, the MMS received the name ''Ialy'' after the agency upgraded the system into a tropical storm. The JTWC then also recognised the system as a cyclone, issuing warnings on it as ''Tropical Cyclone 24S''.<ref>{{Cite JTWC|date=16 May 2024|type=warning|category=TS|designation=24S|no=1|name=Ialy|url=https://www.metoc.navy.mil/jtwc/products/sh2424web.txt|archive-url=https://web.archive.org/web/20240516142612/https://www.metoc.navy.mil/jtwc/products/sh2424web.txt|archive-date=16 May 2024}}</ref> Steadily intensifying, Ialy reached an initial peak intensity with 1-minute sustained winds of {{Convert|45|knot|mph|abbr=on|round=5}} the next day before wind shear began eroding the system.<ref>{{Cite JTWC|date=18 May 2024|type=prognostic|category=TS|designation=24S|no=3|name=Ialy|url=https://www.metoc.navy.mil/jtwc/products/sh2424prog.txt|archive-url=https://web.archive.org/web/20240518013222/https://www.metoc.navy.mil/jtwc/products/sh2424prog.txt|archive-date=18 May 2024}} </ref> On May 19, Ialy was upgraded into a severe tropical storm by the MFR as the system became more compact.<ref>{{Cite web |date=19 May 2024 |title=CYCLONE AND CYCLONIC ACTIVITY LA REUNION |url=https://meteofrance.re/fr/cyclone |url-status=dead |archive-url=https://archive.today/20240519121824/https://meteofrance.re/fr/cyclone |archive-date=19 May 2024}} </ref><ref> {{cite web|title=Prognostic Reasoning for Tropical Cyclone 24S (Ialy) Warning No. 5 |url=https://www.metoc.navy.mil/jtwc/products/sh2424prog.txt|work=JTWC|accessdate=19 May 2024|date=19 May 2024}}</ref> Ialy battled through high shear and became a Tropical Cyclone per MFR and a Category 1-equivalent cyclone per JTWC during the afternoon of May 21 local time.<ref>{{Cite web |date=21 May 2024 |title=CYCLONE AND CYCLONIC ACTIVITY LA REUNION |url=https://meteofrance.re/fr/cyclone}} </ref><ref> {{cite web|title=Tracking data for Tropical Cyclone Ialy|date=21 May 2024 |url =https://www.ssd.noaa.gov/PS/TROP/DATA/ATCF/JTWC/bsh242024.dat}} </ref> However, shear rapidly overcame Ialy, and 24 hours after peaking, Ialy had degenerated into a weak low pressure system per MFR. <ref>{{Cite web |date=22 May 2024 |title=CYCLONE AND CYCLONIC ACTIVITY LA REUNION |url=https://meteofrance.re/fr/cyclone}} </ref> The JTWC also issued their final warning early on May 22 as Ialy was about to fall below tropical storm strength and was starting to rapidly dissipate just offshore Kenya.<ref>{{cite web|title=Prognostic Reasoning for Tropical Cyclone 24S (Ialy) Warning No. 12 |url=https://www.metoc.navy.mil/jtwc/products/sh2424prog.txt|work=JTWC|accessdate=23 May 2024|date=22 May 2024}}</ref>
In Kenya, the cyclone killed two people. Strong winds tore off the roof of a school, killing a girl and injuring four others, while another person died due to a fallen wall.<ref name="nat522">{{cite news|date=May 22, 2024|title=Two dead in Coast region in aftermath of Cyclone Ialy|newspaper=The Nation (Kenya)|author=Jurgen Nambeka|author2=Maureen Ongala|accessdate=May 22, 2024|url=https://nation.africa/kenya/counties/two-confirmed-dead-in-coast-region-cyclone-ialy-4631338}}</ref> Ialy is notable for being the strongest cyclone to have ever affected Kenyan waters and the first to directly affect the country since the beginning of reliable records.
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