Heat — Johnson, Texas

2011-07-01 to 2011-07-31 · Johnson, Texas

Event narrative

Triple digit temperatures were recorded nearly every day during the month of July. A 4-year old died inside a vehicle on the 11th. Temperatures on this day were at or slightly above 100 degrees. A heat advisory was in effect from the 11th through the 18th, and then again from the 23rd through the 31st.

Wider weather episode

Triple digit daytime temperatures and warm overnight lows gripped nearly all of north Texas for the entire month of July. A few records for daily high temperatures were set or tied, but several records for highest minimum temperatures were set. Dallas/Fort Worth set a new all-time record highest minimum temperature of 86 degrees on the 26th. The prolonged heat took its toll on North Texans and there were 15 heat related deaths; most of them occurring in Dallas County. There were many more heat related illnesses. A Heat Advisory was in effect from the 11th through the 18th, and then again from the 23rd through the end of the month. The triple digit heat this month began a streak that would challenge previous records for most consecutive 100 degree days and greatest annual 100 degree days.

Source: NOAA Storm Events Database, event_id 324048. Narrative written by the NWS forecast office that issued the report.