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Content which is affiliated solely with the Global Precipitation Measurement Mission.

First 2015 Tropical Storm Forms In Eastern Pacific

First 2015 Tropical Storm Forms In Eastern Pacific
Tropical storm Andres became the first tropical storm of the the 2015 Eastern Pacific hurricane season today at 1500 UTC (9 AM MDT). The GPM core observatory satellite flew over the intensifying tropical cyclone (TD1E) at 1225 UTC ( 6:25 AM MDT). Rainfall data from GPM's Microwave Imager (GMI) and Dual-Frequency Precipitation Radar (Ku Band) instruments are shown overlaid on an enhanced GOES-EAST satellite infrared image received at 1230 UTC (6:30 AM MDT). Rain was found by GMI to be falling at a rate of over 60 mm (2.4 inches) per hour in powerful convective storms near Andres' center. Data

Severe Flooding Hits Central Texas, Oklahoma

Severe Flooding Hits Central Texas, Oklahoma
A stagnant upper-air pattern that spread numerous storms and heavy rains from central Texas up into Oklahoma has resulted in record flooding for parts of the Lone Star State. One of the hardest hit areas was in Hays County Texas south of Austin where the Blanco River rose rapidly and set a new record crest at over 40 feet, 13 feet above flood stage, following a night of very heavy rain in the area, with over 12 inches reported locally in a short period of time, in an area already wet from previous storms. The combination of high pressure over the southeastern United States and a persistent

Large Gap in Near-Realtime Data

Starting at 08:38 UTC PPS stopped getting data from the GPM Mission Operations Center. Data was resumed at 17:21 UTC. However, new GPS data was sent before older GPS data. The science data was sent out of order with the GPS data. This meant that about 125 mins of 1B and 1C GMI data had no geolocation and perhaps more after this had questionable geolocation. The same issues obviously also affected the radar and combined NRT which are just missing for the period between 8:30 UTC and 17:30 UTC. All of these issues impacted the early version of the IMERG data. The late product will also be

Typhoon Dolphin Weakening after Drenching Guam

Typhoon Dolphin Weakening after Drenching Guam
Typhoon Dolphin battered and drenched the islands of Guam and Rota as it passed over the channel between them last Saturday. Luckily for Guam, Dolphin's most powerful winds occurred after passing to the northwest of Guam. By May 16, 2015 Dolphin had winds estimated at 140 kts (161 mph) making it a category five super typhoon on the Saffir-Simpson hurricane wind scale. The GPM core observatory satellite flew above the weakening typhoon early this morning when winds had dropped to less than 100 kts (115 mph). GPM's Microwave Imager (GMI) found that Dolphin was dropping rain over the open waters

Typhoon Dolphin Brushes Guam

Typhoon Dolphin passed through the Northern Marianas today just to the north of Guam with sustained winds estimated at 95 knots (~109 mph) by the Joint Typhoon Warning Center. The center passed through the Rota Channel less than about 25 miles from the northern tip of Guam, close enough for the southern half of the eye wall to rake the northern part of the island with powerful winds. A wind gust of 106 mph was reported at Andersen Air Force Base located on the northeast corner of Guam. NASA's GPM Core o
Typhoon Dolphin passed through the Northern Marianas today just to the north of Guam with sustained winds estimated at 95 knots (~109 mph) by the Joint Typhoon Warning Center. The center passed through the Rota Channel less than about 25 iles from the northern tip of Guam, close enough for the southern half of the eye wall to rake the northern part of the island with powerful winds. A wind gust of 106 mph was reported at Andersen Air Force Base located on the northeast corner of Guam. NASA's GPM Core observatory satellite captured this image of Dolphin just as the center was exiting the Rota

Engaging Citizen Scientists With GPM

Engaging Citizen Scientists With GPM
Thursday, May 7, 2015
Every morning at seven, Andrew Welch wakes up, cooks breakfast and checks the rain gauge sitting on a five-foot post in his backyard. He writes down the measurement, sends his kid off to school and then heads out to his workplace as a structural engineer. Welch is a citizen scientist. Around the world, hundreds of citizen scientists like him are collecting precipitation measurements from the ground that are useful for NASA’s Global Precipitation Measurement (GPM) mission. CoCoRaHS volunteers stand with Dr. Walt Petersen, far left, Dr. Jackson Tan, third from right, and Dr. Tiffany Moisan, far...
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Scheduled NASA Network Outage Sunday 4/26/15

On Sunday, April 26, 2015, between the hours of 12 noon (17 UTC) and 12 midnight EDT (05 UTC April 27) , changes will be implemented to NASA’s Internet access. The purpose of this outage is to complete the Corporate Route Symmetry Project which is being implemented by the Communications Services Office (CSO). As a result of these changes, users can expect an outage to the below services during this time period. Services Affected: On Sunday, April 26, 2015, changes to NASA’s Internet Access will have the following impacts: Internet access to/from all NASA networks External Virtual Private

IMERG Dataset Back Online

The issues with NOAA's 4-km Merged IR data are closed and the IMERG Early and Late Runs have been restarted from the point at which they stopped. This will provide a continuous record for each, but it also means that it will take a while to process the backlog of data and catch up to the nominal latency.

IMERG Data Temporarily Suspended

Due to an outage of the input 4-km IR data, the IMERG early and late runs began failing to execute on the April 14. Because of the loss of NOAA hourly IR data, PPS has had to shut off the production of NRT early and late IMERG production. We have received no valid IR data since April 14 17:00 UTC and no IR data at all since April 15 09:00 UTC. The software is able to deal with bad data by skipping it but it is currently not configured to handle the situation of not receiving any data at all. We have received information that there are product problems at NOAA but have not received any

Candace Carlisle - GPM Deputy Project Manager

GPM flying over Earth with a data swath visualized.
Thursday, April 9, 2015
Deputy Project Manager, Global Precipitation Measurement (GPM) NASA/Goddard Space Flight Center Candace Carlisle has been the GPM Deputy Project Manager at NASA's Goddard Space Flight Center since 2006. Prior to GPM, she spent five years on the Space Technology 5 (ST5) project, first as Mission Systems Engineer, then as Deputy Project Manager. The ST5 spacecraft, as well as the launch vehicle support structure and deployment mechanisms, were built, tested, and operated in-house at Goddard. Candace’s previous experience includes six years on the Earth Science Data and Information System (ESDIS)...
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