Around the time of landfall, Alpha developed a warm core, indicating some tropical characteristics.

Salinity in this warm core is often greater than 34.95 psu.

These warm waters are needed to maintain the warm core that fuels tropical systems.

The low pressure system eventually loses its warm core and becomes a cold-core system.

The menu, with its fresh and well-poised ideas, is its warm core.

In addition, Reconnaissance aircraft flight data indicated that a warm core was developing.

The warm core persisted into October 17, which indicated that the hurricane was fully tropical for at least 30-36 hours.

These storms are have a warm core, like other mesoscale convective systems.

His pole was a warm, strong core that warmed her cool being.

Within 12 hours, Sean separated from the low and transitioned into a tropical cyclone, after developing a warm core.