Two Storms to Bring Impactful Winter Weather to the Central and Eastern U.S.

A winter storm will bring heavy snow and ice to the Ohio Valley into the Mid-Atlantic Tuesday into Wednesday. Significant ice is forecast for the Central Appalachians. Heavy snow is likely through the I-95 corridor from Virginia to Pennsylvania. Another winter storm is slated to bring heavy snow and ice to the Central Plains later Tuesday, and spread into the Midwest and Great Lakes Wednesday. Read More >

Public Advisory (TCP)

A plain-language interpretation of the JTWC warning bulletin.
Provides latest information on tropical storm/typhoon watches and warnings.
Issued at least every 6 hours when a tropical cyclone is expected to affect WFO Guam's Area of Responsibility within 48 hours.

Local Statement (HLS)

Specific forecast for each island under a watch or warning, including rain, wind, surf, storm surge and coastal inundation, as well as recommended preparations.

Tropical Cyclone Update (TCU)

Hourly estimated position of a tropical cyclone within the range (about 230 miles) of Guam's Doppler radar.
Issued hourly near the top of the hour when a center fix is available.
May be issued at any time if a significant change occurs in the development or progress of a tropical cyclone.