Guam, 2015Hurricane in Guam, May 4 to 7, 2015
May 4 to 7, 2015 · NWS GUM · 1 event in 1 county or zone
During the first week of May Typhoon Noul passed across Yap State in Micronesia.
- Deaths
- 1
- Injuries
- 0
- Property damage
- $50,000
- Crop damage
- $50,000
- 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.
During the first week of May Typhoon Noul passed across Yap State in Micronesia.
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 Guam wrote its last area forecast discussion before the first event at May 3, 6:21 AM UTC, 7 hours 39 minutes earlier.
Area forecast discussion, May 3, 6:21 AM UTC, 7 hours 39 minutes before
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE TIYAN GU
421 PM CHST SUN MAY 3 2015
.SYNOPSIS...EAST WINDS AND A FEW SHOWERS PREVAIL ACROSS
THE MARIANAS THIS AFTERNOON.
&&
.DISCUSSION...
ONLY MADE A FEW MINOR CHANGES TO THE FORECAST. TROPICAL DEPRESSION
06W FORMED THIS MORNING ABOUT 450 MILES SOUTH OF GUAM. AN OUTER
RAIN BAND OF THE DEVELOPING TROPICAL CYCLONE PASSED ACROSS
SOUTHERN PARTS OF GUAM'S COASTAL WATERS DURING THE AFTERNOON .
THIS RAIN BAND THREATENED TO BRING A PERIOD OF SCATTERED SHOWERS
TO GUAM TONIGHT. LATE AFTERNOON RADAR AND SATELLITE IMAGERY
INDICATED THAT THE BAND WAS DISSIPATING...SO HELD OFF ON ADDING
SCATTERED SHOWERS TO TONIGHT'S FORECAST. REMNANT MOISTURE FROM
THE SHOWERS WILL GENERATE MOSTLY CLOUDY SKIES ACROSS THE LOCAL
ISLANDS TONIGHT.
MODELS MOVE THE TROPICAL TOWARDS YAP OVER THE NEXT DAY OR TWO.
THE SAME MODELS ARE ALL IN AGREEMENT IN KEEPING SHOWERS WITH 06W
SOUTH OF THE MARIANAS. WINDS MAY STAY SLIGHTLY ELEVATED BECAUSE OF
THE INCREASED PRESSURE GRADIENT BUT NOTHING UNUSUAL.
&&
.MARINE...
AN EAST TRADE-WIND SWELL WILL PERSIST THROUGH THE FORECAST. ADDED
A SOUTHERLY SWELL TO THE FORECAST STARTING TUESDAY...FROM
TROPICAL DEPRESSION 06W. AT THIS TIME MODELS DO NOT BRING IN A
LARGE SWELL...EXPECT ONLY A TWO FOOT SWELL FROM THE SOUTH TUESDAY
THROUGH SATURDAY.
&&
.TROPICAL SYSTEMS...
TROPICAL DEPRESSION 06W FORMED THIS MORNING SOUTH OF GUAM. MODELS
MOVE THE TROPICAL DEPRESSION TOWARDS YAP OVER THE NEXT DAY OR
TWO. IT IS EXPECTED THAT THE DEPRESSION WILL BECOME A TROPICAL
STORM SOMETIME TONIGHT. 06W MAY BECOME A TYPHOON BY LATE TUESDAY
OR EARLY WEDNESDAY...BUT AT THAT TIME IT SHOULD BE WEST OF YAP.
BECAUSE THE DEPRESSION IS STILL IN ITS FORMATIVE STAGE THE TRACK
IS NOT WRITTEN IN STONE. BECAUSE OF UNCERTAINTY...INTERESTS NORTH
AND SOUTH OF THE CURRENT TRACK SHOULD MONITOR THE FORECAST. IF
THE TROPICAL CYCLONE GOES MORE NORTHWESTWARD WINDS COULD INCREASE
ACROSS ULITHI AND FAIS...IF FURTHER SOUTH IT MAY THREATEN KAYANGEL
OR OTHER AREAS OF PALAU.
&&
.EASTERN MICRONESIA...
SHOWERS AND THUNDERSTORMS ARE SEEN ACROSS A LARGE PART OF THE
REGION FROM POHNPEI TO KOSRAE TO JUST SOUTH OF MAJURO. A BROAD
CIRCULATION IS CENTERED WEST-SOUTHWEST OF POHNPEI NEAR 6N155E WITH
A MONSOON TROUGH EXTENDING SOUTHEASTWARD. NORTHEAST TRADES ARE
EXPECTED TO KEEP CONVECTION PUSHED SOUTH OF MAJURO FOR THE NEXT
SEVERAL DAYS. FOR POHNPEI AND KOSRAE...MODELS SHOW THE CIRCULATION
MEANDERING NEARLY IN PLACE THE NEXT SEVERAL DAYS. THIS WILL KEEP
UNSETTLED WEATHER...SCATTERED SHOWERS AND ISOLATED
THUNDERSTORMS...FOCUSED ACROSS THE TWO STATES FOR MUCH OF THE
WEEK.
&&
.WESTERN MICRONESIA...
NEWLY-FORMED TROPICAL DEPRESSION 06W WILL BE THE MAIN FEATURE FOR
THE WEEK NEAR YAP AND PALAU. TD 06W IS EXPECTED TO MOVE TO THE
WEST-NORTHWEST...PASSING BETWEEN YAP AND NGULU. CURRENT FORECASTS
FOR YAP CLOSELY FOLLOWS THIS TRACK WITH WINDS REACHING NEAR 40 MPH
MONDAY NIGHT AND TUESDAY. CONDITIONS WILL BEGIN TO SETTLE DOWN
TUESDAY AFTERNOON AND TUESDAY NIGHT. KOROR IS EXPECTED TO SEE SOME
INCREASE IN WINDS AND SEAS BUT SHOWERS AND THUNDERSTORMS ARE
EXPECTED TO BE LARGELY CONFINED CLOSER TO THE CENTER OF TD 06W.
THE CIRCULATION JUST WEST-SOUTHWEST OF POHNPEI WILL KEEP SHOWERS
AND THUNDERSTORMS NEAR CHUUK. MODELS KEEP THE CIRCULATION IN PLACE
FOR MUCH OF THE WEEK...KEEPING SCATTERED SHOWERS TO THE EAST SO
FOR NOW...EXPECT ONLY ISOLATED SHOWERS AND THUNDERSTORMS.
&&
.GUM WATCHES/WARNINGS/ADVISORIES...
GU...NONE.
MARIANAS WATERS...NONE.
&&
ZIOBRO/W. AYDLETT
Hurricane (Typhoon), Micronesia
- When
- May 4, 12:00 AM GST to May 7, 12:00 AM GST
- Where
- Micronesia forecast zone
- Category
- 1
- Deaths
- 1 direct, 0 indirect
- Property damage
- $50,000
- Crop damage
- $50,000
- Reported by
- Official NWS Observations
Around noon time on the 3rd of May Tropical Depression 06W formed over Yap State about 155 miles southeast of Ulithi.| On the morning of the 4th the tropical depression became Tropical Storm Noul and passed close to Fais. The tropical storm moved west and passed just south of Ulithi on the evening of the 4th.| Noul continued to move westward and intensify. It passed near Yap on the morning of the 6th as a typhoon.| Maximum sustained winds observed on Yap was 38 mph with a peak wind gust to 72 mph on the morning of the 6th. The typhoon brought heavy rain to Yap with 7.34 inches of rain falling on the 5th and 4.31 inches falling on the 6th. The lowest Sea Level Pressure that was recorded was 989.8mb at 1755Z on the 5th which is the morning of the 6th on Yap.
- Hurricane (Typhoon)
- A tropical cyclone with sustained winds of 64 knots (74 mph) or more, filed per forecast zone for its wind, and with separate events for its flooding, surge and tornadoes.
After NWS Directive 10-1605, the rules offices file Storm Data by.
- Flash Flood and Flooding in Texas, May 4 to 5, 20151 injured · $311 million · 6 events
- Flash Flood and Hail in Iowa, May 4, 20151 death · 2 injured · 0.88 in hail · 3 events
- Flash Flood and Hail in New Mexico, May 4 to 5, 2015$3.0 million · 1.5 in hail · 11 events
- Tornadoes and Flash Flood in Kansas, May 4, 2015EF1 · 15 events
- Flash Flooding and Hail in Texas, May 4 to 5, 2015$17,000 · 2.5 in hail · 24 events
- Flash Flood in Colorado, May 4, 2015$20,000 · 1 event
- Flash Flooding and Hail in Kansas, May 4, 20151 in hail · 13 events
- Hail in Indiana, May 4, 20151.75 in hail · 8 events
- Flash Flooding and Flood in Missouri, May 4, 20151 in hail · 7 events
- Flash Flood and Hail in Illinois, May 4, 20151 in hail · 4 events
- Flooding in Kansas, May 4 to 5, 2015$800 · 4 events
- Hail in Kansas, May 4, 20151 in hail · 2 events
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: 596416.