Super Typhoon Yutu passed through the Marianas October 24th to 25th. Yutu was classified as the second most powerful storm to hit the U.S.A.

Hurricane (Typhoon) in ROTA, GUAM
From 24-OCT-18 00:00:00 to 25-OCT-18 12:00:00 (GST10)
Property damage: 1.00M
Crop damage: 1.00M
Reported by: Newspaper

A tropical disturbance was noted just northwest of Kosrae on the morning of October 21 near 8N160E. By the morning of October 22 the system had become Tropical depression 31W and was 130 miles north-northwest of Pohnpei. 31W continued to intensify through the day and by the afternoon of the 22nd became Tropical Storm Yutu. Yutu continued to strengthen and became a typhoon on the afternoon of October
23rd.
Yutu continued to intensify and on the afternoon of the 24th it became a Super Typhoon. A Super Typhoon is a Joint Typhoon Warning Center's designation placed on a system in the Western North Pacific if wind speeds in the typhoon equal or exceed 150 mph. At that time Yutu was less than 200 miles to the east of the Marianas.
The 20 mile wide eye of Super Typhoon Yutu crossed over Tinian between midnight and 4 a.m. on October 25th. Typhoon force winds caused damage across Rota.

Hurricane (Typhoon) in NORTHERN MARIANAS, GUAM
From 24-OCT-18 00:00:00 to 25-OCT-18 12:00:00 (GST10)
Property damage: 500.00M
Crop damage: 1.00M
Reported by: Newspaper

A tropical disturbance was noted just northwest of Kosrae on the morning of October 21 near 8N160E. By the morning of October 22 the system had become Tropical depression 31W and was 130 miles north-northwest of Pohnpei. 31W continued to intensify through the day and by the afternoon of the 22nd became Tropical Storm Yutu. Yutu continued to strengthen and became a typhoon on the afternoon of October
23rd.
Yutu continued to intensify and on the afternoon of the 24th it became a Super Typhoon. A Super Typhoon is a Joint Typhoon Warning Center's designation placed on a system if wind speeds in the typhoon equal or exceed 150 mph. At that time Yutu was less than 200 miles to the east of the Marianas.
The 20 mile wide eye of Super Typhoon Yutu crossed over Tinian between midnight and 0400 ChST









































on October 25th. Saipan is not too far away from Tinian and the southern part of the island had the destructive eye wall pass over it. The highest wind gust recorded on Saipan was 90 knots (104 mph) at 24/1444Z. Weather instruments on Tinian and Saipan  were either destroyed or damaged and this was most likely not the highest winds that occurred. Ground based storm assessment estimated maximum sustained winds were 170 mph with wind gust to 200 mph. A Saipan resident recorded a wind gust to 168 mph plus another anemometer had a peak wind of 133 mph. On Guam
Andersen AFB saw a gust to 50 knots  (58 mph) at 24/1554Z and 24/1603Z. Over  central Guam the National Weather Service Office observed a peak gust to 46 knots (53 mph) on 24/1624 ChST.
Only 2.66 inches of rain was observed at the Saipan airport, but most likely was well below what actually fell. A University of Guam professor on Saipan had set up a rain gage and recorded 10 inches of rainfall in San Vicente, about 3 miles northeast of the eye.  There was an indirect death after the storm.  A woman was found dead from carbon monoxide poisoning  in a building in Susupe from a portable generator. The Commonwealth of the Northern Marianas reported 121 injuries and recorded at least 1000 damaged or destroyed structures. The power plants on both Tinian and Saipan were heavily damaged.

Hurricane (Typhoon) in NORTHERN MARIANAS, GUAM
From 24-OCT-18 00:00:00 to 25-OCT-18 12:00:00 (GST10)
Property damage: 500.00M
Crop damage: 1.00M
Reported by: Newspaper

A tropical disturbance was noted just northwest of Kosrae on the morning of October 21 near 8N160E. By the morning of October 22 the system had become Tropical depression 31W and was 130 miles north-northwest of Pohnpei. 31W continued to intensify through the day and by the afternoon of the 22nd became Tropical Storm Yutu. Yutu continued to strengthen and became a typhoon on the afternoon of October
23rd.
Yutu continued to intensify and on the afternoon of the 24th it became a Super Typhoon. A Super Typhoon is a Joint Typhoon Warning Center's designation placed on a system if wind speeds in the typhoon equal or exceed 150 mph. At that time Yutu was less than 200 miles to the east of the Marianas.
The 20 mile wide eye of Super Typhoon Yutu crossed over Tinian between midnight and 0400 ChST









































on October 25th. Saipan is not too far away from Tinian and the southern part of the island had the destructive eye wall pass over it. The highest wind gust recorded on Saipan was 90 knots (104 mph) at 24/1444Z. Weather instruments on Tinian and Saipan  were either destroyed or damaged and this was most likely not the highest winds that occurred. Ground based storm assessment estimated maximum sustained winds were 170 mph with wind gust to 200 mph. A Saipan resident recorded a wind gust to 168 mph plus another anemometer had a peak wind of 133 mph. On Guam
Andersen AFB saw a gust to 50 knots  (58 mph) at 24/1554Z and 24/1603Z. Over  central Guam the National Weather Service Office observed a peak gust to 46 knots (53 mph) on 24/1624 ChST.
Only 2.66 inches of rain was observed at the Saipan airport, but most likely was well below what actually fell. A University of Guam professor on Saipan had set up a rain gage and recorded 10 inches of rainfall in San Vicente, about 3 miles northeast of the eye.  There was an indirect death after the storm.  A woman was found dead from carbon monoxide poisoning  in a building in Susupe from a portable generator. The Commonwealth of the Northern Marianas reported 121 injuries and recorded at least 1000 damaged or destroyed structures. The power plants on both Tinian and Saipan were heavily damaged.

Hurricane (Typhoon) in GUAM, GUAM
From 24-OCT-18 00:00:00 to 25-OCT-18 12:00:00 (GST10)
Property damage: 500.00K
Crop damage: 250.00K
Reported by: Newspaper

A tropical disturbance was noted just northwest of Kosrae on the morning of October 21 near 8N160E. By the morning of October 22 the system had become Tropical depression 31W and was 130 miles north-northwest of Pohnpei. 31W continued to intensify through the day and by the afternoon of the 22nd became Tropical Storm Yutu. Yutu continued to strengthen and became a typhoon on the afternoon of October
23rd.
Yutu continued to intensify and on the afternoon of the 24th, it became a Super Typhoon. A Super Typhoon is the Joint Typhoon Warning Center's designation for a typhoon with sustained wind speeds equal to or greater than 150 mph. At that time, Yutu was less than 200 miles to the east of the Marianas.
The 20-mile-wide eye of Super Typhoon Yutu crossed over Tinian between 0000 and 0400 ChST on October 25th. Saipan is only 4 miles northwest of Tinian, and the southern part of the island had the destructive eye wall cloud pass over it. The highest wind gust recorded on Saipan was 90 knots (104 mph) at 0224 ChST on the 25th.  Weather instruments on Tinian were destroyed and those on Saipan were heavily damaged and were inoperative well before the highest winds occurred. A joint WFO Guam and University of Guam ground-based storm assessment team spent three days on Tinian and Saipan after the storm hit.  After assessing all available physical data and damages, the team estimated maximum sustained winds at 170 mph with wind gusts to 200 mph. A Saipan resident recorded a wind gust to 168 mph and another private anemometer recorded a peak wind of 133 mph. On Guam, Andersen AFB experienced a gust to 50 knots  (58 mph) at 0354 and at 0403 ChST on the 25th. Over central Guam, the National Weather Service Office observed a peak gust to 46 knots (53 mph) at 0224 ChST on the 25th. Only 2.66 inches of rain was measured at the Saipan airport, but the equipment stopped operating well before the peak part of the eyewall arrived. The University of Guam meteorology professor was on Saipan and set up a rain gauge before the storm arrived.  He recorded 10 inches of rainfall during the period, but his location was about 3 miles northeast of the eye.  Rainfall amounts on Guam in inches were:
Location				                                  24	25              DATE
NWS Tiyan Guam Rain Gauge (RG):			0.56	0.56           AMOUNT
Geomag Observatory RG, Andersen AFB:       	0.86	0.62
Umatac RG at Umatac, Guam:		                0.42	0.54
Almagosa RG near Santa Rita:		                0.72	0.58
Fena RG at Reservoir Pump Station:		        0.95	0.57
Windward Hills RG:			                        0.91	0.53
Dededo RG: 				                        0.56	1.00
Mt. Santa Rosa near Pagat Mangilao: 		        0.62	0.88.

Hurricane (Typhoon) in SAIPAN, GUAM
From 24-OCT-18 00:00:00 to 25-OCT-18 12:00:00 (GST10)
Property damage: 500.00M
Crop damage: 2.00M
Reported by: Newspaper

A tropical disturbance was noted just northwest of Kosrae on the morning of October 21 near 8N160E. By the morning of October 22 the system had become Tropical depression 31W and was 130 miles north-northwest of Pohnpei. 31W continued to intensify through the day and by the afternoon of the 22nd became Tropical Storm Yutu. Yutu continued to strengthen and became a typhoon on the afternoon of October
23rd.
Yutu continued to intensify and on the afternoon of the 24th it became a Super Typhoon. A Super Typhoon is a Joint Typhoon Warning Center's designation placed on a system if wind speeds in the typhoon equal or exceed 150 mph. At that time, Yutu was less than 200 miles to the east of the Marianas.
The 20 mile wide eye of Super Typhoon Yutu crossed over Tinian between midnight and 0400 ChST on October 25th. Saipan is not too far away from Tinian and the southern part of the island had the destructive eye wall pass over it. The highest wind gust recorded on Saipan was 90 knots (104 mph) at 24/1444Z. Weather instruments on Tinian and Saipan  were either destroyed or damaged and this was most likely not the highest winds that occurred. Ground based storm assessment estimated maximum sustained winds were 170 mph with wind gust to 200 mph. A Saipan resident recorded a wind gust to 168 mph plus another anemometer had a peak wind of 133 mph. On Guam, Andersen AFB saw a gust to 50 knots  (58 mph) at 24/1554Z and 24/1603Z. Over central Guam the National Weather Service Office observed a peak gust to 46 knots(53 mph) 24/1624.
Only 2.66 inches of rain was observed at the Saipan airport, but most likely was well below what actually fell. A University of Guam professor on Saipan had set up a rain gage and recorded 10 inches of rain fall, but he was located 3 miles northeast of the eye.  Below are rainfall amounts recorded on Guam.
24	25
NWS Tiyan Guam				        	0.56	0.56
Geomag Observatory Rain Gage, Andersen AFB	0.86	0.62
Umatac Rain Gage at Umatac, Guam		        0.42	0.54
Almagosa Rain Gage nr Santa Rita		       0.72	0.58
Fena RG at Res.					               0.95	0.57
Windward Hills Rain Gage			               0.91	0.53
Dededo Rain Gage 				              0.56	1.00
Mt. Santa Rosa 					              0.62	0.88

A 44 year old woman died after she sought shelter from the storm in an abandoned building in Chalan Kanoa Saipan. Strong winds caused the wall of the structure to fall on the lady. A second woman died on Saipan in Susupe. She was found dead in a building and died from carbon monoxide poisoning from a portable generator. 121 injuries were reported at least 1000 structures were damage or destroyed across the Commonwealth of the Northern Marianas. The power plant on both Tinian and Saipan were destroyed.

Hurricane (Typhoon) in NORTHERN MARIANAS, GUAM
From 24-OCT-18 00:00:00 to 25-OCT-18 12:00:00 (GST10)
Property damage: 500.00M
Crop damage: 1.00M
Reported by: Newspaper

A tropical disturbance was noted just northwest of Kosrae on the morning of October 21 near 8N160E. By the morning of October 22 the system had become Tropical depression 31W and was 130 miles north-northwest of Pohnpei. 31W continued to intensify through the day and by the afternoon of the 22nd became Tropical Storm Yutu. Yutu continued to strengthen and became a typhoon on the afternoon of October
23rd.
Yutu continued to intensify and on the afternoon of the 24th it became a Super Typhoon. A Super Typhoon is a Joint Typhoon Warning Center's designation placed on a system in the Western North Pacific if wind speeds in the typhoon equal or exceed 150 mph. At that time Yutu was less than 200 miles to the east of the Marianas.
The 20 mile wide eye of Super Typhoon Yutu crossed over Tinian between midnight and 4 a.m. on October 25th. Saipan is not too far away from Tinian and the southern part of the island had the destructive eye wall pass over it. The highest wind gust recorded on Saipan was 90 knots (104 mph) at 24/1444Z. Weather instruments on Tinian and Saipan  were either destroyed or damaged and this was most likely not the highest winds that occurred. Ground based storm assessment estimated maximum sustained winds were 170 mph with wind gust to 200 mph. A Saipan resident recorded a wind gust to 168 mph plus another anemometer had a peak wind of 133 mph. On Guam
Andersen AFB saw a gust to 50 knots  (58 mph) at 24/1554Z and 24/1603Z. Over  central Guam the National Weather Service Office observed a peak gust to 46 knots(53 mph) 24/1624.
Only 2.66 inches of rain was observed at the Saipan airport, but most likely was well below what actually fell. A University of Guam professor on Saipan had set up a rain gage and recorded 10 inches of rain fall.
24	25
NWS Tiyan Guam				        	0.56	0.56
Geomag Observatory Rain Gage, Andersen AFB	0.86	0.62
Umatac Rain Gage at Umatac, Guam		        0.42	0.54
Almagosa Rain Gage nr Santa Rita		       0.72	0.58
Fena RG at Res.					               0.95	0.57
Windward Hills Rain Gage			               0.91	0.53
Dededo Rain Gage 				              0.56	1.00
Mt. Santa Rosa 					              0.62	0.88

A 44 year old woman died after she sought shelter from the storm in an abandoned building in Chalan Kanoa Saipan. Strong winds caused the wall of the structure to fall on the lady. A second woman died on Saipan in Susupe. She was found dead in a building and died from carbon monoxide poisoning from a portable generator. 121 injuries were reported at least 1000 structures were damage or destroyed across the Commonwealth of the Northern Marianas. The power plant on both Tinian and Saipan were destroyed.