Referring to "significantly lower-than-normal system-weighted temperatures," Northern Natural Gas issued a System Overrun Limitation for all market-area zones (ABC, D and EF) effective Saturday through Monday.

Southern reported canceling Wednesday a Type 6 OFO that had put into effect last Monday to maintain operational integrity.

Tennessee ended an Imbalance Warning in upstream Zones 5 and 6 Thursday.

MRT lifted Wednesday a System Protection Warning that had been implemented on the previous Friday.

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