Former federal officials and outside experts have warned for months that President Donald Trump’s staffing cuts to the National Weather Service could endanger lives.

Some Democratic leaders are calling for an investigation into the National Weather Service to determine if the reported staffing shortages affected the forecast and response to the holiday weekend’s flash floods.

White House press secretary Karoline Leavitt later began her briefing on the offensive, calling out those who've questioned whether federal cuts to the NWS impacted staffing levels or forecasting abilities as the tragedy unfolded.

Hours before a massive wall of floodwater barreled down a river in the heart of Texas Hill Country before sunrise on Friday, forecasters with the National Weather Service warned people that dangerous conditions were brewing.

The night that devastating flooding obliterated parts of Texas, Stuart Gross said he was awakened by nearby screams as raging waters swept up homes and citizens. The Ingram, Texas, resident told ABC News he has lived near the Guadalupe River for more than 45 years and has seen other floods,

A July Fourth weekend deluge in Texas caused catastrophic flash flooding that has killed at least 89 people. Camp Mystic in Kerr County says Monday morning that it is “grieving the loss” of 27 campers and counselors as the search continues for victims of the disaster.