Funnel Cloud, Saipan
- When
- September 9, 10:26 AM SST to 10:51 AM SST
- Where
- Saipan County, Saipan Intl Airport
- Reported by
- OFFICIAL NWS OBS.
Funnel Cloud in Guam, September 9, 2001
A Funnel cloud observed to the northeast of the Saipan tower from 1026 to 1051
The toll
- Deaths
- 0
- 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 Funnel cloud observed to the northeast of the Saipan tower from 1026 to 1051
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 9, 4:08 AM SST, 6 hours 18 minutes earlier.
Area forecast discussion, Sep 9, 4:08 AM SST, 6 hours 18 minutes before
AREA SYNOPTIC DISCUSSION NATIONAL WEATHER SERVICE TIYAN GU 1 AM GUAM LST MON SEP 10 2001 WESTERN NORTH PACIFIC BETWEEN EQUATOR AND 25N FROM 130E TO 180. TYPHOON DANAS (19W) IS CENTERED NEAR 31N138E. CONVERGING LOW-LEVEL WINDS SOUTH AND SOUTHEAST OF THE TYPHOON ARE PRODUCING A LARGE AREA OF SCATTERED SHOWERS AND ISOLATED THUNDERSTORMS BETWEEN 10N AND 25N FROM 135E TO 150E...INCLUDING THE MARIANA ISLANDS. AN UPPER-LEVEL LOW CENTERED WEST OF WAKE ISLAND NEAR 18N160E IS PRODUCING SCATTERED SHOWERS AND ISOLATED THUNDERSTORMS BETWEEN 14N AND 25N FROM 150E TO 165E. A COMBINATION OF LOW-LEVEL CONVERGENCE AND UPPER-LEVEL DIVERGENCE IS GENERATING SCATTERED SHOWERS AND ISOLATED THUNDERSTORMS BETWEEN 2N AND 13N AND FROM 150E TO 171E. THIS AREA COVERS CHUUK...POHNPEI AND KWAJALEIN. A WEAK SURFACE TROUGH EXTENDS FROM 2N148E TO A WEAK CIRCULATION NORTHEAST OF CHUUK AT 9N153E...THEN EAST AND SOUTHEAST TO 11N157E TO 10N163E TO 4N171E TO 1N172E. ANOTHER TROUGH EXTENDS FROM 11N156E NORTH TO 20N155E. LOW-LEVEL CONVERGENCE ASSOCIATED WITH THESE FEATURES IS PRODUCING SCATTERED SHOWERS AND ISOLATED THUNDERSTORMS IN AN AREA BOUNDED BY A LINE FROM THE EQUATOR AT 143E TO 10N152E TO 12N159E TO 13N168E TO 6N180 TO 9N166E TO THE EQUATOR AT 151E BACK TO THE EQUATOR AT 143E. THIS INCLUDES CHUUK...POHNPEI...KWAJALEIN AND MAJURO. HIGH PRESSURE CENTERED NEAR 3N132E IS BRINGING PARTLY CLOUDY SKIES TO PALAU AND YAP.
Event by event
1 funnel cloud. Local standard time, as filed.
What these are
- Funnel Cloud
- A rotating column of cloud extending from a thunderstorm that did not reach the ground.
After NWS Directive 10-1605, the rules offices file Storm Data by.
The same day elsewhere
- Tornadoes and Damaging Winds in Michigan, September 9, 2001
- Flash Flood in Arkansas, September 9, 2001
- Flash Flooding in Texas, September 9, 2001
- Damaging Wind in Texas, September 9, 2001
- Tornadoes and Flash Flooding in Texas, September 9, 2001
- High Surf in Hawaii, September 9 to 11, 2001
- Heavy Rain in Florida, September 9 to 12, 2001
- Damaging Winds in Michigan, September 9, 2001
- Damaging Winds in Michigan, September 9, 2001
- Damaging Wind in Arkansas, September 9, 2001
- Damaging Wind in Arkansas, September 9, 2001
- Damaging Wind in Arkansas, September 9, 2001
More
Every storm in Guam in 2001Every state in 2001This day in weather historyWarnings in Guam, September 2001
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: 5267627.