Lightning, Guam
- When
- September 1, 4:00 PM SST to 5:00 PM SST
- Where
- Guam County, Merizo
- Property damage
- $10,000
- Reported by
- NEWSPAPER
Lightning Strike in Guam, September 1, 2003
Lightning caused a power outage over a portion of southern, Guam. The Guam Power Authority said the power outage lasted more one-and-a-half hour in Umatac and Merizo.
The toll
- Deaths
- 0
- Injuries
- 0
- Property damage
- $10,000
- 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.
Lightning caused a power outage over a portion of southern, Guam. The Guam Power Authority said the power outage lasted more one-and-a-half hour in Umatac and Merizo. The lightning strike tripped the areas' power circuit off line, but crews were able to restore power by closing some circuit breakers.
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 Sep 1, 3:45 PM SST, 15 minutes earlier.
Area forecast discussion, Sep 1, 3:45 PM SST, 15 minutes before
AREA SYNOPTIC DISCUSSION NATIONAL WEATHER SERVICE TIYAN GU 1 PM GUAM LST TUE SEP 2 2003 WESTERN NORTH PACIFIC BETWEEN EQUATOR AND 25N FROM 130E TO 180. A TROUGH OF LOW PRESSURE EXTENDS FROM 17N130E EASTWARD TO A WEAK CIRCULATION CENTER NEAR 15N145E THEN NORTHWARD TO 25N150E. CONVERGENT LOW-LEVEL FLOW COMBINED WITH DIVERGENT FLOW ALOFT IS GENERATING SCATTERED SHOWERS AND ISOLATED THUNDERSTORMS FROM 130E TO 144E SOUTH OF A LINE FROM 18N130E TO 13N144E...INCLUDING THE REPUBLIC OF PALAU AND YAP STATE. THE SURFACE TROUGH NORTHEAST OF THE MARIANA ISLANDS COMBINED WITH UPPER-LEVEL DIVERGENCE IS PRODUCING SCATTERED SHOWERS AND ISOLATED THUNDERSTORMS WITHIN 150 MILES OF A LINE FROM 18N149E TO 24N158E. TRADE-WIND CONVERGENCE FROM YAP STATE EASTWARD THROUGH THE MARSHALL ISLANDS IS CREATING SCATTERED SHOWERS BETWEEN THE EQUATOR AND 8N FROM 144E TO 180...AND BETWEEN 8N AND 14N FROM 177E TO 180. A TROUGH OF LOW PRESSURE SOUTH OF WAKE ISLAND IS GENERATING SCATTERED SHOWERS AND ISOLATED THUNDERSTORMS WITHIN 250 MILES OF A LINE FROM 8N164E TO 18N170E.
Event by event
1 lightning. Local standard time, as filed.
What these are
- Lightning
- A lightning strike that killed, injured or caused damage.
After NWS Directive 10-1605, the rules offices file Storm Data by.
The same day elsewhere
- Rip Current in Florida, September 1, 2003
- Flash Flooding and Flooding in Indiana, September 1 to 3, 2003
- Flooding in Indiana, September 1 to 11, 2003
- Flooding in Indiana, September 1 to 4, 2003
- Rip Current in Florida, September 1, 2003
- Flooding in Indiana, September 1 to 2, 2003
- Damaging Wind in Indiana, September 1, 2003
- Wildfire in Montana, September 1 to 30, 2003
- Flooding and Damaging Winds in Ohio, September 1, 2003
- Lightning Strike in Pennsylvania, September 1, 2003
- Flash Flood in Pennsylvania, September 1 to 2, 2003
- Tropical Storm in Texas, September 1 to 2, 2003
More
Every storm in Guam in 2003Every state in 2003This day in weather historyWarnings in Guam, September 2003
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: 5338993.