The NHC also issued a tropical storm watch south of Little River, South Carolina to the mouth of the Santee River, as well as from Chincoteague, Virginia northward to Little Egg Inlet, New Jersey.

The following day, the NHC issued their first advisory on the system, declaring it a subtropical depression.

Upon doing so, the NHC issued small craft advisories for coastal areas between North Carolina and St. Augustine, Florida.

In this capacity, the HPC is responsible for issuing all tropical cyclone products, including discussions, graphics and watches and warnings that would normally be issued by the NHC for any tropical system in the Atlantic Ocean, if NHC is unable to so.

As required, this guidance is provided to the NHC four times daily for use in the tropical cyclone package issued by the NHC at 0300 UTC, 0900 UTC, 1500 UTC and 2100 UTC.

This statement is included in the Public Advisory issued by the NHC, and is a forecast of expected rainfall amounts that will occur with the tropical cyclone.

The NHC issued their final advisory on the system early on June 21 ; however, the remnants of the storm persisted until June 27.

On September 10, with forecasts indicating that Ophelia would make landfall in South Carolina as a hurricane, the NHC issued a hurricane watch for much of the coastline of the Carolinas.

As Ophelia was predicted to pass near southeast New England, the NHC issued tropical storm warnings for much of the south Massachusetts and Rhode Island coastlines.

The NHC has begun a related project to place Ship History and Command Operations Reports online at their DANFS site.

Each specialist signs forecasts and advisories with their last name, sometimes issuing joint statements with other NHC staff members.

At the National Hurricane Center ( NHC ), Hurricane Andrew in 1992 blew the WSR-57 dish off their roof.

By August 26, the depression had become significantly disorganized, prompting the NHC to issue their initial final advisory on the system.

Operationally, this weakening was not noticed by the NHC, leading to their assessment of the storm making landfall in El Salvador around 11: 00 pm PDT ( 0600 UTC on May 20 ) as a Category 1 hurricane on the Saffir – Simpson Hurricane Scale.

Later the NHC reexamines the data, and produces a final report on each storm, which can lead to the ACE for a storm being revised either upward or downward.

* NHC advisory archives for Hurricane Isidore

* NHC advisory archive on Hurricane Alex

* NHC advisory archive on Hurricane Frances

Forecasters and computer models did not anticipate how quickly Linda would strengthen ; in one advisory, the NHC under-forecast how strong the winds would be in 72 hours by .< ref > The maximum potential intensity for Linda was, lower than its actual intensity .< ref > The 1997 season was affected by the El Niño event of 1997 – 98, which brought warmer than normal water temperatures and contributed to the high intensity of several storms.

In 1995, the NHC moved into a new hurricane-resistant facility on the campus of Florida International University, capable of withstanding 130 mph ( 210 km / h ) winds.

Around 0100 UTC on August 15, the low had maintained convection, or area of thunderstorms, for 12 hours, as well as a circulation for six hours ; as a result, the National Hurricane Center ( NHC ) began issuing Dvorak classifications on the system.

A Hurricane Hunters flight late on August 15 reported that the depression reached winds of 50 mph ( 80 km / h ); as a result, the NHC upgraded the cyclone to Tropical Storm Alicia.

The NHC report on Hurricane Andrew shows its last radar image, as well as images from nearby WSR-88D radars.

During evaluation, HWM are divided into four categories based on the confidence in the mark ; only HWM evaluated as " excellent " are used by NHC in post storm analysis of the surge.

Based on the increase in organization, the National Hurricane Center ( NHC ) classified it as Tropical Depression Fifteen later that day while it was located about 345 miles ( 555 km ) southeast of Bermuda.

After its formation, the depression gradually became better organized ; the NHC upgraded it to Tropical Storm Lenny on November 14, based on reports from the Hurricane Hunters.

Unit members work on long-term historical projects with the NHC staff processing archival collections, conducting oral history interviews with Pearl Harbor survivors, and digitizing histories for the Command's website or for publication in print.

After further development, the National Hurricane Center ( NHC ) initiated advisories on the system around 8: 00 am EDT on August 23, designating it as Tropical Depression Six.

Following the development of deep convection around Fran's center of circulation on August 29, the NHC upgraded it to a Category 1 hurricane, the lowest ranking on the Saffir – Simpson Hurricane Scale, with winds of 75 mph ( 120 km / h ).

* NHC 1964 Preliminary Report on Dora

The season began on June 1, which was the date when the NHC activated radar stations across the Caribbean and Gulf of Mexico.

* NHC Tropical Cyclone Report on Hurricane Alex

* NHC Tropical Cyclone Report on Hurricane Frances

By late on July 29, the eye of the hurricane was well-defined on Mexican radar, and with favorable upper-level outflow, warm sea surface temperatures, and a climatologically favorable region for intense hurricanes, the NHC forecast Douglas to strengthen to winds of 115 mph ( 185 km / h ).

In the first discussion on the depression, around which time the depression was passing between St. Vincent and St. Lucia, the NHC noted the potential for it to degenerate into a tropical wave if the cyclone maintained its fast forward motion.

In 1972, the National Hurricane Center ( NHC ) finally designated these storms as subtropical cyclones in real-time, and updated the hurricane database to include subtropical cyclones from 1968 through 1971.

The scale was developed in 1971 by civil engineer Herbert Saffir and meteorologist Bob Simpson, who at the time was director of the U. S. National Hurricane Center ( NHC ).

In 2009, the NHC made moves to eliminate pressure and storm surge ranges from the categories, transforming it into a pure wind scale, called the Simpson Hurricane Wind Scale ( Experimental ).

The National Hurricane Center ( NHC ), located at Florida International University in Miami, Florida, is the division of the National Weather Service responsible for tracking and predicting weather systems within the tropics between the Prime Meridian and the 140th meridian west poleward to the 30th parallel north in the northeast Pacific ocean and the 31st parallel north in the northern Atlantic ocean.

By 1988, the NHC gained responsibility for eastern Pacific tropical cyclones as the former Eastern Pacific Hurricane Center in San Francisco was decommissioned .< ref > In 1992, Hurricane Andrew blew the WSR-57 weather radar and the anemometer off the roof of NHC's / the Miami State Weather Forecast offices.

During this time frame, the Hurricane Specialists were grouped as a separate NHC unit under the Tropical Prediction Center, separating themselves from the Tropical Analysis and Forecast Branch.

On October 1, 2010, the Tropical Prediction Center was renamed the NHC, and the group formerly known as the NHC became known as the Hurricane Specialists Unit ( HSU ).

CARCAH's mission is to provide a point-of-contact and to coordinate all tropical cyclone operational reconnaissance requirements at NHC and the Central Pacific Hurricane Center for the North Atlantic, Caribbean, Gulf of Mexico, and the North Pacific basin east of the International Date Line in accordance with the National Hurricane Operations Plan ( NHOP ).

The Hurricane Liaison Team ( HLT ) supports hurricane response through information exchange between the NHC, the National Weather Service ( NOAA / NWS ), and the emergency management community.

The National Hurricane Center ( NHC ) and the Central Pacific Hurricane Center ( CPHC ) are responsible for monitoring tropical weather in the Atlantic, and central and eastern Pacific Ocean.

On September 11, the National Hurricane Center ( NHC ) began monitoring a tropical wave off the western coast of Africa.

Within the North Atlantic ocean, tropical or subtropical cyclones are named by the National Hurricane Center ( NHC / RSMC Miami ) when they are judged to have intensified into a tropical storm with winds of at least 65 km / h, ( 40 mph ).

The depression's convection was fairly disorganized, and the National Hurricane Center ( NHC ) did not anticipate any strengthening for three days.

The following day, the National Hurricane Center ( NHC ) classified it as the twelfth tropical depression of the annual hurricane season using the Dvorak technique, when it was located about 400 mi ( 640 km ) east of Barbados.