&sq=Google&lang=en&file=File:Irma_Nov_22_1981_1200Z.jpg) Irma near peak intensity on November 22 | |
| Meteorological history | |
|---|---|
| Formed | November 18, 1981 |
| Dissipated | November 27, 1981 |
| Violent typhoon | |
| 10-minute sustained (JMA) | |
| Highest winds | 205 km/h (125 mph) |
| Lowest pressure | 905 hPa (mbar); 26.72 inHg |
| Category 4-equivalent super typhoon | |
| 1-minute sustained (SSHWS/JTWC) | |
| Highest winds | 250 km/h (155 mph) |
| Overall effects | |
| Fatalities | 595 |
| Damage | $63.3 million (1981 USD) |
| Areas affected | Philippines |
| IBTrACS | |
Part of the 1981 Pacific typhoon season | |
Typhoon Irma, known in the Philippines as Typhoon Anding, was a powerful typhoon that struck the Philippines in November 1981. The twenty-fifth named storm and fourteenth typhoon of the 1981 Pacific typhoon season, Irma originated from an active monsoon trough to the east of the Philippines. Following an increase in organization, the system was first classified on November 18 and was subsequently upgraded into a tropical storm on the next day as it moved westward. After passing near Guam, Irma continued to deepen, and was estimated to have attained typhoon intensity early on November 21. The intensification rate accelerated thereafter, and on the afternoon of November 22, Irma reached its peak wind speed of 205 km/h (125 mph). After maintaining this intensity for 16 hours, Irma weakened considerably due to interaction with the mountainous terrain of the Philippines. On the morning of November 24, Irma moved ashore northeast of Manila, with winds of 165 km/h (105 mph). The storm rapidly deteriorated overland, but was still believed to have been a typhoon when it emerged into the South China Sea. Irma then began to re-curve towards the northwest while weakening; the cyclone was estimated to have obtained extratropical characteristics on November 26.
Affecting an area already severely impacted by Typhoon Hazen, Irma brought significant damage and flooding to the Philippines, especially in the province of Camarines Norte. Additionally, a 15 m (50 ft) tidal wave was noted in four towns in the Camarines Sur province, resulting in the deaths of 137 people. The nearby village of Benagaspasan was nearly demolished, where 47 fatalities occurred. In all, 595 were killed due to Irma. A total of 482,678 persons were directly affected by Irma. Irma destroyed or damaged 119,233 dwellings, which left nearly 40,000 homeless. A total of 24,137 families or 141,974 individuals left their homes, including 57,198 that sought emergency shelter. Overall, damage totaled to $63.3 million (1981 USD).[nb 1]
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