Chapel Hill Stormwater Management

03/15/2026

A transition from La Niña to ENSO-neutral is expected in the next month, with -neutral favored through May-July 2026 (55% chance). In June-August 2026, El Niño is likely to emerge (62% chance) and persist through at least the end of 2026. A advisory remains in effect. An Watch has been issued. https://www.cpc.ncep.noaa.gov/products/analysis_monitoring/enso_advisory/ensodisc.shtml

03/15/2026

02/27/2026

Severe Weather Preparedness Week for North Carolina
March 1st - 7th, 2026

https://www.weather.gov/rah/severeprep

It's a good time to check your emergency supplies.

The statewide tornado drill will come in the form of a Required Monthly Test and will activate the State Emergency Alert System and be carried by local radio broadcasters. Every school, business, and residence is encouraged to participate in this drill.  It’s really easy: at 9:30 AM on Wednesday...

02/05/2026

https://www.linkedin.com/posts/a-1-in-100-flood-does-not-mean-once-a-century-share-7421900004744818688-Rpf1?utm_source=share&utm_medium=member_desktop&rcm=ACoAAAGedV4B7C1Yq3Flee0BqKdov41S9fTFkzU

A 1-in-100 flood does NOT mean once a century. 🌊 It means a flood with a 1% chance of being exceeded in any given year. That same flood can happen this year, next year, or several times in a lifetime. This is about probability, not prediction. Probabilistic risk assessments look beyond past flood...