TROPICAL STORM NICHOLASBRIEFING

10:30 AM CT

What has changed: Nicholas made landfall last night near Sargent Beach (Matagorda County) and will continue moving slowly east towards Louisiana today.

This is the final briefing for this event.

Disclaimer: The information contained within is time-sensitive. Visit www.hurricanes.gov for the latest.

National Weather ServiceCorpus Christi

National Weather Service – Corpus ChristiLast Updated:

• Using GoToWebinar■ All attendees will be muted for the briefing and unmuted for questions■ If using computer audio, click the microphone icon to unmute to speak■ If using phone audio, *6 will mute/unmute audio

• Webinar Outline■ Weather Briefing■ Weather Questions■ TDEM District Coordinator Comments

○ District 20○ District 17

The purpose of this briefing is for situational awareness. It will only focus on life safety and immediate decision support needs.

Webinar LogisticsTropical Storm Nicholas

National Weather Service – Corpus ChristiLast Updated:

NOTE: Do not focus on the exact track. Impacts can occur well outside the area enclosed by the cone.

▪ Nicholas strengthened to a Category 1 hurricane last night before landfall near Sargent Beach, TX with 75 MPH winds

▪ Nicholas will slowly move east into Louisiana today and Wednesday, producing heavy rainfall

▪ Strongest winds reported in South Texas:

Situation OverviewTropical Storm Nicholas

National Weather Service – Corpus ChristiLast Updated:

▪ Dry conditions expected today behind Nicholas

Current Radar ViewTropical Storm Nicholas

National Weather Service – Corpus ChristiLast Updated:

48 Hour Rainfall TotalsTropical Storm Nicholas

National Weather Service – Corpus ChristiLast Updated:

Observed Water LevelsTropical Storm Nicholas

Highest water levels observed around Port O’Connor, Port Lavaca (2.25-3 ft MHHW… roughly 2-3 ft of water above ground level)

Farther down the coast, inundation of 1.75-2 ft was observed at the Bob Hall Pier and Port Aransas

Check water levels here: https://tidesandcurrents.noaa.gov/map/index.html?region=Texas

National Weather Service – Corpus ChristiLast Updated:

Marine Conditions: Current WindsTropical Storm Nicholas

Strongest winds still occurring are around Matagorda Bay and

adjacent coastal waters

(winds shown are in MPH)

National Weather Service – Corpus ChristiLast Updated:

Marine ConditionsTropical Storm Nicholas

A Small Craft Advisory is in effect through 3 PM this afternoon

Winds up to 25 knots with gusts up to 30 knots

Seas:- Nearshore: 6-10 feet this morning- Offshore: 8-12 feet this morning

National Weather Service – Corpus ChristiLast Updated:

• Projected improvement:○ Seas < 6 feet: This afternoon○ Sustained winds < 30 kt: Already occurring

Wave Heights (ft)Tropical Storm Nicholas

2 4 6 8 10 12 14 16 18 20 22 24 26 28 30 32 34 36 38 40

This Morning

Click for point-specific forecasts every 3 hours & out 5 days zoom in and click on a spot; keep in mind forecast uncertainty

when dealing with tropical systems!

This Evening Wednesday Morning

Elevated wave heights 6-10 ft nearshore, 8-12 ft offshore continue for the Middle Texas coastal waters

Improving seas, 5-6 ft with occasional 8 ft seas. Highest seas expected northeast

and east of Port Aransas Seas less than 6 ft

Buoy 42020: 5 ft seas as of 9:30 AM

Buoy 42019: 9 ft seas as of 9:30 AM

National Weather Service – Corpus ChristiLast Updated:

Week Ahead OutlookForecasts for Your City: www.weather.gov/forecastpoints

Corpus Christi

Victoria

Laredo

Rain chances increase over the weekend as an upper level storm system moves across the region

Highs in the upper 80s to lower 90s

Rain chances increase over the weekend as an upper level storm system moves across the region

Highs in the upper 80s to lower 90s

Heat builds Fri/Sat

Dry until early next week, best rain chances east of the city

Highs in the upper 90s to lower 100s

Heat builds Wed, Fri/Sat

National Weather Service – Corpus ChristiLast Updated:

▪ All tropical warnings have been cancelled for South Texas and the Middle Texas coast

▪ A high risk for rip currents continues today along the coast

▪ Elevated winds and waves continue for marine areas, but improve through the day today

▪ Dry through Wednesday night, rain and storm chances increase through late week and over the weekend… heat builds across the region Fri/Sat

Improving conditions expected across South Texas today behind Nicholas.

Key Take-AwaysTropical Storm Nicholas