Public Information Statement
Issued by NWS Sterling, VA
Issued by NWS Sterling, VA
030 NOUS41 KLWX 111601 PNSLWX DCZ001-MDZ001-003>006-008-011-013-014-016>018-501>508-VAZ025>031- 036>040-050-051-053>057-501>508-526-527-WVZ050>053-055-501>506- 120415- Public Information Statement National Weather Service Baltimore MD/Washington DC 1201 PM EDT Tue Jun 11 2024 ...MODIFICATION TO ST.MARYS COUNTY TIDAL GAUGE COASTAL FLOOD THRESHOLDS... Service Change Notice National Weather Service Baltimore/Washington 1200 PM EST 11 June 2024 To: Subscribers: -Family of Services -NOAA Weather Wire Service -Emergency Managers Weather Information Network -Other NWS partners, users, and employees From: James E. Lee Meteorologist in Charge Baltimore/Washington Weather Forecast Office Subject: Modification to Minor and Moderate Flood Categories for the St. Mary County Tidal Gauge on St. George Creek at Straits Point (SGSM2) Effective at 1200 Coordinated Universal Time (UTC) (8:00 AM EDT) on 13 June 2024, the National Weather Service will modify the minor and moderate flood stages for SGSM2. The new flood categories will be as follows: 1. The major flood stage at this tidal gauge will remain unchanged at 5.0 feet above Mean Lower Low Water (MLLW). 2. The new moderate flood stage is 4.0 feet above MLLW. The previous moderate flood stage was 3.5 feet above MLLW. 3. The new minor flood stage is 3.5 feet above MLLW. The previous minor flood stage was 3.0 feet above MLLW. Therefore, starting at 1200 UTC (8:00 AM EDT) on 13 June 2024, Coastal Flood Advisories will reference the new minor flood category level and Coastal Flood Warnings will reference the new moderate flood category. This change is part of a re-evaluation of tidal flood stages with local emergency managers to reflect current flood impacts. If you have any questions or comments on this change, please contact: Jeremy Geiger Senior Service Hydrologist National Weather Service 43858 Weather Service Rd Sterling VA 20166 Phone: (571) 888-3500 Email: Jeremy.Geiger@noaa.gov $$