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Tropical System Products


Operational Products

Advanced Dvorak Technique -
Objective Tropical Storm Classifier

ADT

The ADT provides an automated, objectively-derived estimate of tropical storm location and intensity that can be used as an independent piece of information in the generation of a consensus "best" storm classification estimate. In addition to the IR satellite imagery, ADT uses the latest official track forecast bulletins from the Regional Specialized Meteorological Centers (RSMCs) and the Joint Typhoon Warning Center (JTWC). The product graphic shows the most recent location and intensity analysis and the text "list" files show the history of ADT location and intensity analyses while bulletins are available.

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GOES, Meteosat, MTSAT-1R Resolution: 4 Km Frequency: 30 minutes

Ensemble Tropical Rainfall Potential (eTRaP)

Sample Tropical Rainfall Potential (TRaP) Image

The eTRaP is a simple ensemble whose members are the 6-hourly totals from the single-orbit TRaPs. The eTRaP provides deterministic and probabilistic forecasts for each of four 6h time periods (e.g., 00-06h, 06-12h, 12-18h, 18-24h) as well as the 24 hour cumulative time period. Each eTRaP is made up of forecast using observations from potentially several microwave sensores--currently AMSU, TRMM, SSMI and AMSRE--initiailized at several observation times, and possibly using several different track forecasts. An eTRaP will be produced, centered on the synoptic hours (e.g., 00Z, 06Z, 12Z, 18Z), from single-orbit TRaP segments with start times up to 3 hours after the synoptic hour.

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POES Resolution: 4 Km Frequency: 6 Hours

Tropical Bulletins

Text: This is a Text Product

Text bulletins disseminated by 0400Z, 1000Z, 1600Z, and 2200Z describing the position and intensity estimates for tropical disturbances and tropical cyclones in the Eastern and Southern Hemispheres.

Product Link
GOES, POES, Meteosat, MTSAT-1R Resolution: Varies Frequency: 6 Hours

Tropical Cyclone Formation Probability Product

Sample Tropical Cyclone Formation Probability Product

Geostationary satellite data and National Centers for Environmental Prediction (NCEP) global analyses are used as input to an algorithm developed by the Cooperative Institute for Research in the Atmosphere (CIRA) to estimate the probability of tropical cyclone formation within the next 24 hours in 5 by 5 degree latitude/longitude areas.

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GOES, MTSAT-1R Resolution: 5x5 Degrees Frequency: 6 Hours

Tropical Storm Position and Intensity

Text: This is a Text Product

Subjective position and intensity estimates of tropical disturbances and tropical cyclones across the globe using the internationally recognized Dvorak technique.

Product Link
GOES, POES, Meteosat, MTSAT-1R Resolution: N/A Frequency: 6 Hours

Developmental Products

Multi-Platform Tropical Cyclone Surface Winds Analysis (MTC-SWA)

Sample Sea Surface Temperature Image

MTC-SWA combines information from five data sources to create a mid-level (near 700 hPa) wind analysis. The resulting mid-level winds are then adjusted to the surface applying a very simple single column approach. The five datasets used are the QuikSCAT scatterometer, which is adjusted upward to 700 hPa in the same manner as the surface winds are adjusted downward; the ASCAT scatterometer (treated the same way as QuikSCAT); global GOES feature track winds in the mid-levels from the operational satellite centers; global GOES 2-d flight-level winds estimated from infrared imagery; and 2-d winds created from the POES, MODIS, and Metop Advanced Microwave Sounding Unit (AMSU)-derived height fields and solving the non-linear balance equations.

Product Link
GOES, POES, Meteosat, MTSAT-1R, Metop, MODIS, QuikSCAT Resolution: 5 Km Frequency: 6 Hours


Satellite Imagery

Atlantic Ocean and Gulf of Mexico

Sample Atlantic and Gulf of Mexico Image

Visible, Water Vapor, Shortwave Infrared, and Infrared (Channel 4) imagery sectors offering different views of the Atlantic Ocean basin. Multiple enhancement curves are also provided.

Product Links: (Overview)
Caribbean | Central Atlantic | East Atlantic - Meteosat | Gulf of Mexico
North Atlantic | Northeast Atlantic - Meteosat | Northwest Atlantic
Tropical Atlantic | West Atlantic
GOES Resolution: 4-16 Km Frequency: 30 Minutes
Meteosat Resolution: 8-12 Km Frequency: 6 Hours

Geostationary Satellite Server - Hurricane Sectors

Sample Hurricane Sector Water Vapor Image

Selected GOES hurricane imagery providing Infrared, Visible and Water Vapor imagery. Coverage sectors include Eastern Pacific, Gulf of Mexico and Western Atlantic, Atlantic, Gulf of Mexico and the Eastern Seaboard.

Product Link
GOES Resolution: 4-12 Km Frequency: Varies

OSEI - Tropical Events

Sample Hurricane Image

Product is made from the POES/AVHRR, GOES/Imager, Meteosat/MVIRI, and GMS/VISSR to improve the lead time for tropical storms forecasting. Satellite images are used to provide the tropical cyclone center locations and track their motion. Additionally, pattern analysis techniques and cloud top temperature information are used to estimate present intensity. to improve the lead time for tropical storms forecasting. Satellite images are used to provide the tropical cyclone center locations and track their motion. Additionally, pattern analysis techniques and cloud top temperature information are used to estimate present intensity.

Product Link
GOES, POES, Meteosat, MODIS or MTSAT-1R Resolution: Varies Frequency: Event Driven

Pacific Ocean

East Pacific Coverage Map

Visible, Water Vapor, Shortwave Infrared, and Infrared (Channel 4) imagery sectors offering different views of the Pacific Ocean basin. Multiple enhancement curves are also provided.

Product Links: (Overview)
Central Pacific | East Pacific | Eastern East Pacific | Hawaii
Northeast Pacific | Northwest Pacific | Tropical Pacific (EAST)
Tropical Pacific (WEST) | West Central Pacific | West Pacific
GOES and MTSAT-1R Resolution: 3-16 Km Frequency: 30 - 60 Minutes

Tropical Floaters

Floaters

Still satellite images and loops of active tropical cyclones. The term "Floater" is used for these images because they are frequently recentered over the active tropical systems by on-duty tropical analysts. This allows users to follow the same storm using the same URL regardless of where it is located.

Product Links:
Atlantic (GOES East)
East and Central Pacific (GOES West)
West Pacific (MTSAT-1R)
GOES and MTSAT-1R Resolution: 1-5 Km Frequency: Event Driven

 



 
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