The Charlotte Area SKYWARN Net (CASN) operates on demand by the National Weather Service Office in Greenville-Spartanburg, SC on the WA4AOS Repeater 145.350MHz-600kHz located in Dallas, NC. The backup repeater is K4ZO 145.170MHz-600kHz/88.5Hz-pl located on Anderson Mountain near Denver, NC.

Severe Thunderstorm Reporting Criteria:

• Hail 3/4" or larger in diameter.
• Winds of 58 MPH or greater.
• Any kind of significant damage such as live trees or large limbs down, power lines down, or damage to structures.
• Rain amounts of 1 inch or more in less than an hour's time or any rain amount in excess of 3 inches.

• The initial onset of any kind of wintery weather.
• Snow accumulations of 1 inch or more.
• Sleet accumulations of .25 inches or more.
• Any glaze of freezing rain which begins to weigh down trees and power lines.

Coverage Area Map for the National Weather Service office in Greenville/Spartanburg, SC