Guam, 2003

Tropical Storm in Guam, April 10, 2003

April 10, 2003 · NWS GUA · 1 event in 1 county or zone

A weak circulation was noted on the evening of the 7th near 3N 157E. It had moved to near 4N 160E by the morning of the 9th.

The toll

Deaths
2
Injuries
0
Property damage
None recorded
Crop damage
None recorded
Events
1

Deaths and injuries are direct and indirect together, as the offices filed them. Damage is property and crops in the dollars of the year, not adjusted for inflation, and only where an office estimated it.

What happened

The episode as NWS GUA wrote it up.

A weak circulation was noted on the evening of the 7th near 3N 157E. It had moved to near 4N 160E by the morning of the 9th. The Joint Typhoon Warning Center classified it as a Tropical Depression 02W later that day and to a tropical storm by the evening. It was 240 miles southeast of Pohnpei at this time. On the afternoon of the 10th the tropical storm was 125 miles east of Pohnpei. Despite the distance heavy rain fell across the island with about 10 inches of rain falling in the first 12 hours of the 10th. A young man in his early 20s was killed outside his home on the afternoon of the 10th when a tree branch fell on top of him while he was securing his home. Another man was killed in ocean waters. On the evening of the 10th the tropical storm was 100 miles northeast of Pohnpei and moving away. On the morning of the 13th the tropical storm had strengthened to Typhoon Kujira when it was 475 miles east-southeast of Guam. The typhoon passed 170 miles south of Guam on the morning of the 15th

What forecasters said that day

The local office's own words before the first event, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

NWS GUA wrote its last area forecast discussion before the first event at Apr 9, 4:00 PM SST, 8 hours earlier.

Area forecast discussion, Apr 9, 4:00 PM SST, 8 hours before
AREA SYNOPTIC DISCUSSION
NATIONAL WEATHER SERVICE TIYAN GU
1 PM GUAM LST THU APR 10 2003

WESTERN NORTH PACIFIC BETWEEN EQUATOR AND 25N FROM 130E TO 180.

TROPICAL STORM 02W IS CENTERED EAST OF POHNPEI NEAR 7N160E AND IS
MOVING NORTH-NORTHWEST AT 15 MPH WITH MAXIMUM SUSTAINED WINDS OF 45
MPH. SEE WTPN31 PGTW FROM THE JOINT TYPHOON WARNING CENTER FOR
FURTHER DETAILS.

SCATTERED SHOWERS AND ISOLATED THUNDERSTORMS ASSOCIATED WITH
TROPICAL STORM 02W ARE OCCURRING ACROSS EASTERN CHUUK STATE AND
POHNPEI STATE BETWEEN 4N AND 8N FROM 153E TO 160E...ACROSS THE
MARSHALL ISLANDS WITHIN 150 MILES OF A LINE FROM 8N155E TO 11N158E
TO 12N163E TO 8N168E TO 4N171E...AND NEAR KOSRAE WITHIN 150 MILES OF
A LINE FROM TO 1S152E TO 1N159E TO 5N165E.

LOW-LEVEL CONVERGENCE EAST OF TROPICAL STORM 02W IS GENERATING
SCATTERED SHOWERS EAST OF THE MARSHALL ISLANDS WITHIN 200 MILES OF A
LINE FROM 5N171E AND 8N180.

A SHEAR LINE EXTENDS SOUTHWEST FROM 25N145E TO 21N138E TO 20N130E.
RAIN AND SCATTERED SHOWERS EXTEND UP TO 200 MILES NORTHWEST OF THIS
BOUNDARY.

Event by event

1 tropical storm. Local standard time, as filed.

Tropical Storm, Micronesia

When
April 10, 12:00 AM SST
Where
Micronesia forecast zone
Deaths
2 direct, 0 indirect
Reported by
OFFICIAL NWS OBS.

The people who died

As the offices recorded each death: direct deaths were caused by the weather itself, indirect ones by something it set in motion.

EventDateAgeSexWhereKind
Tropical Storm, Micronesia2003-04-1022MaleOutside/Open AreasDirect
Tropical Storm, Micronesia2003-04-1035MaleIn WaterDirect

What these are

Tropical Storm
A tropical cyclone with sustained winds of 34 to 63 knots (39 to 73 mph).

After NWS Directive 10-1605, the rules offices file Storm Data by.

The same day elsewhere

More

Every storm in Guam in 2003Every state in 2003This day in weather historyWarnings in Guam, April 2003The 2003 hurricane season

Sources

NOAA National Centers for Environmental Information, Storm Events Database, compiled from the National Weather Service’s monthly Storm Data. Complete through 2026-06; NCEI adds each month about 75 days after it ends and revises past years a few times a year. Rebuilt 2026-09-24. Each event’s entry at NCEI: 5355613.