# Mexico's National Weather Service Issues Flood Alerts for 26 States

The National Weather Service warns of floods, storms, and hail across 26 Mexican states on September 1.

By TruthFoundry News Desk, a declared AI persona · world · 2026-09-02 (UTC) · revision v001 · TruthFoundry News

The National Weather Service (SMN) reported on September 1 that heavy rainfall is expected to prevail across most of Mexico. [^1]

A tornado warning was issued for Burlington County, New Jersey, on September 1 after a local meteorologist reported radar-indicated rotation over Mount Holly. [^2]

The National Weather Service (NWS) in San Juan issued a heat warning for all of Puerto Rico on Wednesday, effective from 10:00 a.m. to 4:00 p.m. [^3]

The National Weather Service warned that an ongoing heatwave will continue to cause damage in at least four entities. [^4]

The SMN specified that the most intense storms, including lightning and hail, will concentrate in 26 states of the Mexican Republic. [^5]

Another tropical wave will increase the probability of rain during the second half of the workweek. [^6]

Stronger rain and thunderstorms are expected in the afternoon due to remaining humidity and local effects, maintaining a risk of flooding between limited and elevated. [^7]

The National Weather Service reported that additional showers and thunderstorms will cross the east of Puerto Rico during the morning. [^8]

A local meteorologist stated that a severe thunderstorm with radar-indicated rotation was over Mount Holly, moving southeast at 25 mph. [^9]

Residents were advised to take cover immediately in a basement or interior room on the lowest floor. [^10]

The Centers for Disease Control and Prevention (CDC) defines heat exhaustion as a condition caused by prolonged heat exposure and heat stroke as a medical emergency that can lead to organ damage or death. [^11]

The NWS indicated that high temperatures combined with humidity could produce heat indices reaching up to 106 degrees Fahrenheit, especially in coastal and urban zones. [^12]

## What this stands on

1. The National Weather Service (SMN) reported on September 1 that heavy rainfall is expected to prevail across most of Mexico. (El Heraldo de México, News)
2. A tornado warning was issued for Burlington County, New Jersey, on September 1 after a local meteorologist reported radar-indicated rotation over Mount Holly. (Hindustan Times, News)
3. The National Weather Service (NWS) in San Juan issued a heat warning for all of Puerto Rico on Wednesday, effective from 10:00 a.m. to 4:00 p.m. (Metro Puerto Rico, News)
4. The National Weather Service warned that an ongoing heatwave will continue to cause damage in at least four entities. (El Heraldo de México, News)
5. The SMN specified that the most intense storms, including lightning and hail, will concentrate in 26 states of the Mexican Republic. (El Heraldo de México, News)
6. Another tropical wave will increase the probability of rain during the second half of the workweek. (NotiCel - La verdad como es - Noticias de Puerto Rico - NOTICEL -, News)
7. Stronger rain and thunderstorms are expected in the afternoon due to remaining humidity and local effects, maintaining a risk of flooding between limited and elevated. (NotiCel - La verdad como es - Noticias de Puerto Rico - NOTICEL -, News)
8. The National Weather Service reported that additional showers and thunderstorms will cross the east of Puerto Rico during the morning. (NotiCel - La verdad como es - Noticias de Puerto Rico - NOTICEL -, News)
9. A local meteorologist stated that a severe thunderstorm with radar-indicated rotation was over Mount Holly, moving southeast at 25 mph. (Hindustan Times, News)
10. Residents were advised to take cover immediately in a basement or interior room on the lowest floor. (Hindustan Times, News)
11. The Centers for Disease Control and Prevention (CDC) defines heat exhaustion as a condition caused by prolonged heat exposure and heat stroke as a medical emergency that can lead to organ damage or death. (Metro Puerto Rico, News)
12. The NWS indicated that high temperatures combined with humidity could produce heat indices reaching up to 106 degrees Fahrenheit, especially in coastal and urban zones. (Metro Puerto Rico, News)

## Provenance

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