Tropical Cyclone Urmil (RSMC Nadi designation: 06F, JTWC designation: 07P) was a short lived storm of January 2006 that explosively intensified to reach its peak intensity as a high-end Category 2 cyclone on the Australian Scale, just 12 hours after being named. Forming out of a tropical disturbance early on January 14, Urmil quickly intensified before weakening just as quickly. The intensification was a result of the main convectivebanding feature wrapping around the center of circulation. However, the combination of high wind shear and the rapid movement of the cyclone caused convection to become separated from the center. By January 15, the storm transitioned into an extratropical cyclone shortly before dissipating. Urmil had only minor effects on land; scattered vegetation damage was reported in Tonga.
During the following six hours, Urmil underwent explosive deepening as the main feeder band wrapped around the center of circulation.[2] After the brief period of intensification, the storm reached its peak intensity with winds of 110 km/h (70 mph) according to both the RSMC Nadi and the JTWC, making it a high-end Category 2 cyclone on the Australian Scale.[1][3] The highly favorable environment, in combination with the fast forward motion of the storm, allowed Urmil to rapidly reach its peak intensity, despite wind shear reaching 35 km/h (25 mph).[2] However, as quickly as the storm strengthened, it began to weaken as convection weakened.[3] With both wind shear and forward motion increasing, the cyclone quickly became disorganized. Around 0000 UTC on January 15, the center of circulation was devoid of shower and thunderstorm activity. About six hours later, Urmil transitioned into an extratropical cyclone and was subsequently absorbed into the mid-latitude westerlies.[2]
Preparations and impact
Upon being designated Tropical Disturbance 06F, tropical cyclone alerts and strong wind warnings were issued for Niue, Tonga, the Cook Islands, and French Polynesia. A flood advisory and small craft advisory were issued for Samoa.[4] Later that day, the strong wind warnings for the Cook Islands and French Polynesia were canceled, as Urmil no longer posed a threat to the islands.[5] By January 15, all of the warnings associated with Urmil were lifted.[6]
Early on January 14, 06F passed close to Tafahi and Niuatoputapu, produced heavy rains and near gale-force winds over the islands.[5] The highest winds in Tonga were recorded on Niuatoputapu; sustained winds reached 35 km/h (25 mph) with gusts to 65 km/h (40 mph).[7] The winds caused minor damages, mainly limited to vegetation. Some fruit trees were damaged, mainly banana trees.[8] The rains from Urmil exaggerated flooding produced by Cyclone Tam just a few days earlier.[9]
^ abcFiji Meteorological Service (2006). (PDF). World Meteorological Organization. Archived from the original (PDF) on October 1, 2008. Retrieved March 11, 2009.
^ abcdGary Padgett (April 25, 2006). "Monthly Tropical Weather Summary for January 2006". Typhoon 2000. Retrieved March 11, 2009.
^ abcJoint Typhoon Warning Center (January 16, 2006). "JTWC Advisories for Tropical Cyclone 07P (Urmil)". Australia Severe Weather. Retrieved March 11, 2009.
^Kevin Vang (January 14, 2006). . AFAP Asia-Pacific Disaster Alerts. Archived from the original on July 23, 2008. Retrieved March 11, 2009.
^ abKevin Vang (January 14, 2006). . AFAP Asia-Pacific Disaster Alerts. Archived from the original on August 7, 2008. Retrieved March 11, 2009.
^Kevin Vang (January 15, 2006). . AFAP Asia-Pacific Disaster Alerts. Archived from the original on July 23, 2008. Retrieved March 11, 2009.
^Ministry of Civil Aviation (February 15, 2006). "A report on Tropical Cyclones Tam and Urmil" (PDF). Tonga Meteorological Service. Retrieved March 11, 2009.
^Staff Writer (January 16, 2006). "Cyclones cause minimal damage to Niuatoputapu in northern Tonga". Radio New Zealand. Retrieved March 11, 2009.
^Staff Writer (January 27, 2006). . Lohontan Valley News. Archived from the original on July 27, 2011. Retrieved March 11, 2009.
External links
World Meteorological Organization
Australian Bureau of Meteorology
Fiji Meteorological Service
New Zealand MetService
Joint Typhoon Warning Center
January 31, 2023
cyclone, urmil, tropical, rsmc, nadi, designation, jtwc, designation, short, lived, storm, january, 2006, that, explosively, intensified, reach, peak, intensity, high, category, cyclone, australian, scale, just, hours, after, being, named, forming, tropical, d. Tropical Cyclone Urmil RSMC Nadi designation 06F JTWC designation 07P was a short lived storm of January 2006 that explosively intensified to reach its peak intensity as a high end Category 2 cyclone on the Australian Scale just 12 hours after being named Forming out of a tropical disturbance early on January 14 Urmil quickly intensified before weakening just as quickly The intensification was a result of the main convective banding feature wrapping around the center of circulation However the combination of high wind shear and the rapid movement of the cyclone caused convection to become separated from the center By January 15 the storm transitioned into an extratropical cyclone shortly before dissipating Urmil had only minor effects on land scattered vegetation damage was reported in Tonga Tropical Cyclone UrmilCategory 2 tropical cyclone Aus scale Tropical cyclone SSHWS Cyclone Urmil near peak intensity on January 14FormedJanuary 13 2006DissipatedJanuary 15 2006Highest winds10 minute sustained 110 km h 70 mph 1 minute sustained 110 km h 70 mph Lowest pressure975 hPa mbar 28 79 inHgFatalitiesNone reportedDamageMinimalAreas affectedTafahi Niuatoputapu Vavaʻu and Ha apaiPart of the 2005 06 South Pacific cyclone season Contents 1 Meteorological history 2 Preparations and impact 3 See also 4 References 5 External linksMeteorological history Edit Map plotting the storm s track and intensity according to the Saffir Simpson scaleMap keySaffir Simpson scale Tropical depression 38 mph 62 km h Tropical storm 39 73 mph 63 118 km h Category 1 74 95 mph 119 153 km h Category 2 96 110 mph 154 177 km h Category 3 111 129 mph 178 208 km h Category 4 130 156 mph 209 251 km h Category 5 157 mph 252 km h Unknown Storm type Tropical cyclone Subtropical cyclone Extratropical cyclone Remnant low Tropical disturbance Monsoon depression Tropical Cyclone Urmil originated from a weak tropical disturbance over the open waters of the south Pacific Ocean on January 13 1 Around 1800 UTC the Regional Specialized Meteorological Centre RSMC in Nadi Fiji classified the system as Tropical Disturbance 06F while it was located about 370 km 230 mi west of Pago Pago American Samoa Forming in the wake of Tropical Cyclone Tam the disturbance rapidly organized within an environment of favorable diffulence aloft warm waters 29 C 84 2 F and moderate wind shear 2 Six hours later RSMC Nadi upgraded 06F to a tropical cyclone and gave it the name Urmil while it was situated near Niuatoputapu Tonga 1 Shortly after the Joint Typhoon Warning Center JTWC issued a Tropical Cyclone Formation Alert as the storm quickly traveled towards the south southeast Around 0600 UTC on January 14 the JTWC classified Urmil as Tropical Cyclone 07P 3 During the following six hours Urmil underwent explosive deepening as the main feeder band wrapped around the center of circulation 2 After the brief period of intensification the storm reached its peak intensity with winds of 110 km h 70 mph according to both the RSMC Nadi and the JTWC making it a high end Category 2 cyclone on the Australian Scale 1 3 The highly favorable environment in combination with the fast forward motion of the storm allowed Urmil to rapidly reach its peak intensity despite wind shear reaching 35 km h 25 mph 2 However as quickly as the storm strengthened it began to weaken as convection weakened 3 With both wind shear and forward motion increasing the cyclone quickly became disorganized Around 0000 UTC on January 15 the center of circulation was devoid of shower and thunderstorm activity About six hours later Urmil transitioned into an extratropical cyclone and was subsequently absorbed into the mid latitude westerlies 2 Preparations and impact EditUpon being designated Tropical Disturbance 06F tropical cyclone alerts and strong wind warnings were issued for Niue Tonga the Cook Islands and French Polynesia A flood advisory and small craft advisory were issued for Samoa 4 Later that day the strong wind warnings for the Cook Islands and French Polynesia were canceled as Urmil no longer posed a threat to the islands 5 By January 15 all of the warnings associated with Urmil were lifted 6 Early on January 14 06F passed close to Tafahi and Niuatoputapu produced heavy rains and near gale force winds over the islands 5 The highest winds in Tonga were recorded on Niuatoputapu sustained winds reached 35 km h 25 mph with gusts to 65 km h 40 mph 7 The winds caused minor damages mainly limited to vegetation Some fruit trees were damaged mainly banana trees 8 The rains from Urmil exaggerated flooding produced by Cyclone Tam just a few days earlier 9 See also Edit Tropical cyclones portal2005 06 South Pacific cyclone seasonReferences Edit a b c Fiji Meteorological Service 2006 Tropical Cyclone Summary 2005 2006 Season PDF World Meteorological Organization Archived from the original PDF on October 1 2008 Retrieved March 11 2009 a b c d Gary Padgett April 25 2006 Monthly Tropical Weather Summary for January 2006 Typhoon 2000 Retrieved March 11 2009 a b c Joint Typhoon Warning Center January 16 2006 JTWC Advisories for Tropical Cyclone 07P Urmil Australia Severe Weather Retrieved March 11 2009 Kevin Vang January 14 2006 New Tropical Depression 06F Forms as Cyclone Tam Exits into the Southern Ocean AFAP Asia Pacific Disaster Alerts Archived from the original on July 23 2008 Retrieved March 11 2009 a b Kevin Vang January 14 2006 Cyclone Urmil develops from Tropical Depression 06F Urmil over Tafahi and Niuatoputapu AFAP Asia Pacific Disaster Alerts Archived from the original on August 7 2008 Retrieved March 11 2009 Kevin Vang January 15 2006 Cyclone Urmil Moving into the Southern Ocean after passing between Tongatapu and Niue AFAP Asia Pacific Disaster Alerts Archived from the original on July 23 2008 Retrieved March 11 2009 Ministry of Civil Aviation February 15 2006 A report on Tropical Cyclones Tam and Urmil PDF Tonga Meteorological Service Retrieved March 11 2009 Staff Writer January 16 2006 Cyclones cause minimal damage to Niuatoputapu in northern Tonga Radio New Zealand Retrieved March 11 2009 Staff Writer January 27 2006 Hurricanes fizzle out in Samoa where some of the policemen wear skirts Lohontan Valley News Archived from the original on July 27 2011 Retrieved March 11 2009 External links EditWorld Meteorological Organization Australian Bureau of Meteorology Fiji Meteorological Service New Zealand MetService Joint Typhoon Warning Center Retrieved from https en wikipedia org w index php title Cyclone Urmil amp oldid 1113982372, wikipedia, wiki, book, books, library,
