A monsoon trough could be found near or over the Marianas for much of the month
of September. At times during the first half of the month it could be found south of Guam. During the second half of the month it became more active and was either over or north of Guam.
By the morning of the 16th a circulation on the monsoon trough was located east
of Guam. This situation persisted the next few days. A surge in the monsoon
associated with the developing circulation generated gusty winds and heavy
showers over Guam from the 19th through the 22nd of the month.
The monsoon trough with an embedded circulation was located over the Marianas on the morning of the 19th
On the morning of the 21st the Circulation became TD 19W near 20N146E. 19W became Tropical Storm Pabuk on the night of the 21st.
With the monsoon near Guam rainfall was on and off for a few days. From the 14th to 18th 2.40 inches of rain fell. On the 19th 10.2 inches of rain fell, with an additional 8.21 inches on the 20th.

Strong Wind in GUAM, GUAM
From 19-SEP-13 09:00:00 to 19-SEP-13 23:00:00 (GST10)
Magnitude: 38.00 MG
Property damage: 10.00K
Crop damage: 0.00K
Reported by: Newspaper

At the National Weather Service office Winds gusted to 41 mph on the afternoon of the 19th. Andersen Air Force Base located in northern Guam recorded a wind gust to 44 mph during the afternoon. Numerous wind gusts across Guam downed some trees. Sporadic power outages were from north to south. The winds caused scattered power outages in a few locations. These outages affected some schools in Merizo and Agana Heights. One tree that was knocked down along Marine Corps Drive in East Hagatna blocked two southbound lanes during the afternoon of the 19th.

Flood in GUAM, GUAM
From 19-SEP-13 09:00:00 to 19-SEP-13 22:00:00 (GST10)
Location: YONA
Flood cause: Heavy Rain / Tropical System
Property damage: 200.00K
Crop damage: 0.00K
Reported by: Newspaper

Heavy rains from a developing tropical disturbance drenched the island of Guam.
Guam was under the monsoon tail of this disturbance. On this day 10.2 inches of rain
was reported at the NWS Office in Barrigada, Guam.The heavy rain forced one family
out of their home. Urban Flooding was reported in a few areas.
One place was on Route 10 near the Wendies in Barrigada. Also on the Toto-Canada Road, Maimai Road in Chalan Pago and the intersection of Route 1 and Salisbury Street in Dededo. Also locations in upper Tumon, Hagatna and Harmon experienced Urban Flooding.
Yona Mayor Ken Joe Ada said Pulantat Road was closed because of flooding, and the resident of one home there had to be evacuated, a car there was also submerged.
The flooding in the Pulantat area of Yona caused at least two families to leave their homes. Pulantat Road was covered by several feet of water.
Flooding in Barrigada caused three families to be evacuated from their homes.
The weather caused 13 Guam bound flights to divert to Saipan.

Flood in GUAM, GUAM
From 20-SEP-13 02:00:00 to 20-SEP-13 22:00:00 (GST10)
Location: PITI
Flood cause: Heavy Rain / Tropical System
Property damage: 500.00K
Crop damage: 0.00K
Reported by: Newspaper

Heavy rain showers again caused Flash Flooding across portions of Guam. 8.21 inches
of rain was reported at the NWS office in Barrigada on this date.
Water entered the campus of Simon Sanchez High School any way it could this morning. ���We had a lot of classrooms that were leaking because the water was coming through the vents, through the air con ducts, or through leaks on the roof,���  Simon Sanchez High School Assistant Principal Melvin Finona told Pacific News Center. ���The water level was four, five inches in some areas.��� The rains also came in through the doors of the campus. Flooding in the science wing was so bad that students had to be evacuated to the cafeteria.  According to Finona conditions were okay as students reported to class this morning. Heavy rains however became a problem by 9 a.m., prompting the school to dismiss students at 11:30 a.m.. Some areas of Pulantat were impassable because of flooding. 35 families are receiving assistance from the American Red Cross after heavy rains over the past week damaged their homes. Disaster Services Director Dave Peredo says three or four of those families have been temporarily relocated to hotels while they make their homes livable again.
The Red Cross is providing funding for flood victims to purchase food, clothing and other emergency needs. Clean up kits are	also being given out to help residents clean up the flood water. With more calls for help coming in today, Peredo expects that the
Red Cross may end up helping more families victimized by the recent rains.

High Wind in GUAM, GUAM
From 20-SEP-13 01:00:00 to 20-SEP-13 05:00:00 (GST10)
Magnitude: 52.00 EG
Property damage: 50.00K
Crop damage: 300.00K
Reported by: Official NWS Observations

A squall associated with the monsoon trough generated generated a gust 52 mph at the NWS and 60 mph Apra Harbor Handar. The NWS gust occurred at 152 AM. The winds on the damaged street signal lights at two intersections in the Adeulupe area.
The Department of Agriculture has been notified of several farmers that are facing
a major loss of their crops because of the record breaking heavy rains, wind and flooding that began since Thursday last week. In fact, Director Marquita Taitague says for some farmers, 100% of their crops have been destroyed.