A tropical cyclone taking shape between Mozambique and Madagascar will pose a growing threat of damaging wind and flooding rain this week.
Coastal areas, both of Mozambique and Madagascar, could feel the direct impact of a tropical cyclone landfall between Wednesday and Sunday.
The weather system was already named "Irina" as of Sunday by the Tropical Cyclone Center of Reunion, but the Joint Typhoon Warning Center were not yet referring to it as such.
As of Tuesday, the weather system was merely a tropical low, straddling the coast of northwestern Madagascar, but an environment favorable for cyclone formation lay off shore.
Potential tropical cyclone paths would be towards the south and southwest over the Mozambique Channel.
The speed and extent of storm intensification will hinge upon the system's path, an open-water track favoring substantial strengthening.
Some forecast tools accessed by AccuWeather.com meteorologists indicate that a strong and potentially dangerous storm will take shape at sea late in the week.
This tropical cyclone season in the southwestern Indian Ocean has been busy with costly storm aftermaths in both Madagascar and Mozambique.
Cold air and flurries are in store for the New Hampshire primary on Tuesday but should not significantly impact voter turnout.
Snow and slippery travel will arrive in the mid-Atlantic states prior to the middle of the week.
Waves of arctic air invading the eastern half of the United States this week will culminate with the coldest weather of the season so far for some areas by the Valentine's Day weekend.
Rounds of snow and slippery travel this week around Boston will be followed by the coldest air of the season so far for the Valentine's Day weekend.
Chilly air will visit New Orleans this year for the annual Mardi Gras celebrations and linger over the city until later in the week.
Arctic air will blow across the Cleveland area during the second half of the week and into the weekend, making for the longest sustained cold wave that the city has seen since last winter.
New England (1741)
Greatest snow of Hard Winter 1740/1741: 3ft near Hartford.
Washington, D.C. (1870)
President Grant signed a measure establishing a Federal meteorological service; later assigned to Signal Corps, U.S. Army. Riverside Ranger Station 1933 -66 deg., U.S. record for Feb. (48 states). Yellowstone Park
Stillwater Reservoir, NY (1934)
State record low temperature -52 degrees.