Severe Thunderstorms in the Central U.S.; Upper Level Low Over California

Scattered severe thunderstorms are possible today across central and eastern Minnesota, Iowa, and western Wisconsin. A few tornadoes, isolated very large hail, and damaging winds may occur. An upper level low will help trigger scattered thunderstorms over portions of central and southern California today along with a few inches of snow in the central Sierra Nevadas. Read More >

NEW Tropical Cyclone Graphics: Track and Error Cone, Wind Speed Probabilities, Time of Arrival

New graphics will be available following updated bulletins issued by the Joint Typhoon Warning Center (JTWC) for cyclones between 10-20S and 164.5W-178.5W.

Tropical Cyclone (TC) Resources

American Samoa vs. Independent Samoa TC categories
Tropical Cyclone fix positions for tropical cyclones in the South Pacific from the Central Pacific Hurricane Center
RSMC Nadi Tropical Cyclone Centre - Regional Specialized Meteorological Center (RSMC) for the South Pacific
Joint Typhoon Warning Center
National Hurricane Center
Samoa Meteorolog ical Services

Saffir-Simpson Scale

Tropical Storm - winds 39-73 mph (34-63 kt)
Category 1 - winds 74-95 mph (64-82 kt)
Category 2 - winds 96-110 mph (83-95 kt)
Category 3 - winds 111-129 mph (96-112 kt)
Category 4 - winds 130-156 mph (113-136 kt)
Category 5 - winds 157 mph and up (137+ kt)

Lat/Long Distance Calculator
Calculate the distance between lat/long points

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Current ENSO Status: El Nino

mPING

mPING (Ripoti mai Tala o le Tau)

PTWC

Pacific Tsunami Warning Center (PTWC)

Previous Observations

Previous 36hrs Airport Obs (Vaaiga o le Tau i le Malae Vaalele)

Storm Report

Submit a Storm Report (Ripoti mai le Tau)

Sunris/Sunset

Sunrise/Sunset Info (Oso/Goto le La)

Tides

Tides Info (Tala o le Tai)

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