Multi-Day Severe Weather Outbreak; Extremely Critical Fire Weather Conditions

A multi-day severe weather outbreak is expected in the Mississippi Valley into the Lower Ohio Valley this afternoon into Saturday and through the Central Gulf states on Saturday. Significant tornadoes, widespread damaging winds, and large hail are likely. Strong winds, low relative humidity, and dry fuels will bring extremely critical fire weather conditions to the Southern Plains today. 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.