A continuation of high heat and humidity was experienced across the region to begin August.

Heat in COASTAL KENEDY, TEXAS
From 03-AUG-23 12:53:00 to 03-AUG-23 14:52:00 (CST-6)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: ASOS

The Cameron County Airport ASOS reported a heat index of 111 by 1:53 PM CDT, with 111 or higher values persisting until approximately 3:53 PM CDT on August 3rd.  By proxy, including observations from a mesonet in Sarita (northwest Kenedy), it can be assumed that Coastal Kenedy County had similar conditions.

Heat in COASTAL WILLACY, TEXAS
From 05-AUG-23 13:53:00 to 05-AUG-23 15:53:00 (CST-6)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: ASOS

The Cameron County Airport ASOS reported a heat index of 111 by 2:53 PM CDT, with 111 or higher values persisting until approximately 4:53 PM CDT on August 5th. By proxy, it can be assumed that Coastal Willacy had similar conditions.

Heat in COASTAL KENEDY, TEXAS
From 05-AUG-23 13:53:00 to 05-AUG-23 15:53:00 (CST-6)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: ASOS

The Cameron County Airport ASOS reported a heat index of 111 by 2:53 PM CDT, with 111 or higher values persisting until approximately 4:53 PM CDT on August 5th. By proxy, including similar heat index conditions farther inland in Sarita, it can be assumed that Coastal Kenedy had similar conditions.

Heat in SOUTHERN HIDALGO COUNTY, TEXAS
From 05-AUG-23 13:53:00 to 05-AUG-23 15:55:00 (CST-6)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: ASOS

The McAllen-Miller International Airport ASOS station (KMFE) recorded heat indices reaching or exceeding 111 degrees between 2:53PM CDT and 3:53PM CDT the afternoon of August 5th. The South Texas International Airport AWOS station (KEBG) recorded heat indices reaching or exceeding 111 degrees between 3:35PM CDT and 4:55PM CDT the afternoon of August 5th.

Heat in BROOKS, TEXAS
From 03-AUG-23 16:15:00 to 03-AUG-23 16:55:00 (CST-6)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: AWOS

The Brooks County Airport AWOS reported a heat index of 111 by 5:15 PM CDT, with 111 or higher values persisting until approximately 5:55 PM CDT on August 3rd.

Heat in CAMERON, TEXAS
From 01-AUG-23 10:53:00 to 01-AUG-23 14:53:00 (CST-6)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: ASOS

The Brownsville-South Padre International ASOS reported a heat index of 111 by 11:53 AM CDT, with 111 or higher values persisting until approximately 3:53 PM CDT on August 1st.

Heat in CAMERON, TEXAS
From 02-AUG-23 12:53:00 to 02-AUG-23 14:53:00 (CST-6)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: ASOS

The Brownsville-South Padre International ASOS reported a heat index of 111 by 12:53 PM CDT, with 111 or higher values persisting until approximately 3:53 PM CDT on August 2nd.

Heat in CAMERON, TEXAS
From 03-AUG-23 12:52:00 to 03-AUG-23 14:53:00 (CST-6)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: ASOS

The Harlingen-Valley International Airport ASOS reported a heat index of 111 by 1:52 PM CDT, with 111 or higher values persisting until approximately 3:52 PM CDT on August 3rd. The Brownsville-South Padre International ASOS reported a heat index of 111 by 1:53 PM CDT, with 111 or higher values persisting until approximately 3:53 PM CDT.

Heat in CAMERON, TEXAS
From 05-AUG-23 12:53:00 to 05-AUG-23 15:53:00 (CST-6)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: ASOS

The Harlingen-Valley International Airport ASOS reported a heat index of 111 by 3:08 PM CDT, with 111 or higher values persisting until approximately 3:13 PM CDT on August 5th. The Brownsville-South Padre International ASOS reported a heat index of 111 by 1:53 PM CDT, with 111 or higher values persisting until approximately 4:53 PM CDT.

Heat in NORTHERN HIDALGO COUNTY, TEXAS
From 05-AUG-23 13:53:00 to 05-AUG-23 15:55:00 (CST-6)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: AWOS

It is reasonable to infer that Northern Hidalgo County reached Heat Advisory criteria due to the South Texas International Airport (KEBG) reaching it the afternoon of August 5th. The South Texas International Airport AWOS station (KEBG) recorded heat indices reaching or exceeding 111 degrees between 3:35PM CDT and 4:55PM CDT the afternoon of August 5th.

Heat in COASTAL CAMERON, TEXAS
From 04-AUG-23 14:53:00 to 04-AUG-23 15:53:00 (CST-6)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: ASOS

The Cameron County Airport ASOS reported a heat index of 111 by 3:53 PM CDT, with 111 or higher values persisting until approximately 4:53 PM CDT on August 4th.

Heat in INLAND KENEDY COUNTY, TEXAS
From 03-AUG-23 14:20:00 to 03-AUG-23 15:00:00 (CST-6)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Mesonet

The Texas Water Development Board Mesonet site in Sarita (TW100) in northern Kenedy County recorded heat indices reaching or exceeding 111 degrees between 3:20PM CDT and 4:00PM CDT the afternoon of August 3rd.

Heat in INLAND KENEDY COUNTY, TEXAS
From 05-AUG-23 13:10:00 to 05-AUG-23 15:20:00 (CST-6)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Mesonet

The Texas Water Development Board Mesonet site in Sarita (TW100) in northern Kenedy County recorded heat indices reaching or exceeding 111 degrees between 2:10PM CDT and 4:20PM CDT the afternoon of August 5th.

Heat in STARR, TEXAS
From 05-AUG-23 14:00:00 to 05-AUG-23 17:00:00 (CST-6)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: RAWS

The Falcon Lake RAWS location, 28 miles northwest of Roma, reported several hours of heat index between 111 and 119 degrees. The Texas Water Development Board mesonet site at Rancho Los Comitas in far northern Starr County reported peak heat index between 106 and 108 during the same period.  By proxy, it is assumed that populated Starr County locations along the Rio Grande fell somewhere in between for several hours, ranging from 111 to 113.

Heat in WILLACY, TEXAS
From 03-AUG-23 13:00:00 to 03-AUG-23 15:00:00 (CST-6)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: ASOS

By proxy with nearby ASOS, AWOS, and Texas Water Development Board Mesonet sites, it is realistic to interpolate heat index values between 111 and 115 degrees across inland Willacy County during the afternoon of August 3rd. Slightly lower values are common here compared with locations in Kenedy/Brooks and Cameron, due to the populated areas being in a zone of slightly lower, but still dangerous, high temperatures.

Heat in WILLACY, TEXAS
From 05-AUG-23 13:00:00 to 05-AUG-23 16:00:00 (CST-6)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: ASOS

By proxy with nearby ASOS, AWOS, and Texas Water Development Board Mesonet sites, it is realistic to interpolate heat index values between 111 and 115 degrees across inland Willacy County during the afternoon of August 5th. Slightly lower values are common here compared with locations in Kenedy/Brooks and Cameron, due to the populated areas being in a zone of slightly lower, but still dangerous, high temperatures.

Heat in COASTAL CAMERON, TEXAS
From 03-AUG-23 12:53:00 to 03-AUG-23 14:52:00 (CST-6)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: ASOS

The Cameron County Airport ASOS reported a heat index of 111 by 1:53 PM CDT, with 111 or higher values persisting until approximately 3:52 PM CDT on August 3rd.

Heat in COASTAL WILLACY, TEXAS
From 03-AUG-23 12:53:00 to 03-AUG-23 14:52:00 (CST-6)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: ASOS

The Cameron County Airport ASOS reported a heat index of 111 by 1:53 PM CDT, with 111 or higher values persisting until approximately 3:53 PM CDT on August 3rd.  By proxy, it can be assumed that Coastal Willacy County had similar conditions.

Heat in COASTAL CAMERON, TEXAS
From 05-AUG-23 13:53:00 to 05-AUG-23 15:53:00 (CST-6)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: ASOS

The Cameron County Airport ASOS reported a heat index of 111 by 2:53 PM CDT, with 111 or higher values persisting until approximately 4:53 PM CDT on August 5th.