After a brief reprieve, the summertime upper level ridge built back across the region, resulting in Heat Index values between 105-110 degrees across most of North and Central Texas.
Every event with a place to put it; 40 filed by county or forecast zone are drawn at its center, in a lighter ring. Tap one for its entry below.
Deaths and injuries are direct and indirect together, as the offices filed them. Damage is property and crops in the dollars of the year, not adjusted for inflation, and only where an office estimated it.
The episode as NWS FWD wrote it up.
After a brief reprieve, the summertime upper level ridge built back across the region, resulting in Heat Index values between 105-110 degrees across most of North and Central Texas.
The local office's own words before the first event, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.
NWS Fort Worth, TX wrote its last area forecast discussion before the first event at Jul 29, 2:15 AM CST, 8 hours 45 minutes earlier.
Area Forecast Discussion National Weather Service Fort Worth TX 315 AM CDT Thu Jul 29 2021 ...New Long Term... .SHORT TERM... /Issued 1205 AM CDT Thu Jul 29 2021/ /Overnight through Friday Night/ The remainder of the overnight hours should be quiet with passing high clouds from earlier convection streaming across the region. Temperatures will fall into the upper 70s in most locations. A weak disturbance will continue to track westward out of Texas today allowing stronger mid level ridging to build southward across the Red River. This should effectively lower our rain chances today and again Friday. Despite this stronger ridging, a persistent east-southeast flow will provide sufficient moisture to the region and should still allow for a few widely scattered thunderstorms during peak heating. Coverage will generally be 20% or less and confined to areas mainly south of I-20. Similar to the last few days, any storms that develop will have the potential for isolated severe wind gusts. Temperatures will nudge upward through Friday in response to the building ridge. We should see highs near or slightly above 100 in many locations today and again Friday. The added moisture will result in heat indices at or above 105, especially across our northeast counties. A Heat Advisory remains in effect through this evening and may be extended into Friday. Dunn && .LONG TERM... /NEW/ /This Weekend Through the Middle of Next Week/ By Saturday, a broad mid-level ridge axis will stretch through North Texas, but the once intense anticyclone will already be on a weakening trend. While our heights will climb into the upcoming weekend, the peak intensity on Saturday will be rather ordinary for the end of July. This will still mean afternoon temperatures reaching the upper 90s to near 100 degrees; and when combined with unseasonably rich boundary layer moisture, heat advisory criteria will likely be met/exceeded, primarily along and east of the I-35 corridor. By Sunday, the ridge will have repositioned itself in the vertical, baking the Rockies while northwest flow invades the Plains. Embedded in this flow will be an early August cold front, which may slip south of the Red River as early as Sunday afternoon when thunderstorms return to the forecast. As with most summertime fronts, evidence of the surface boundary will be short-lived. But with significant negative height anomalies across the eastern half of the country, the northerly flow aloft will persist, keeping the weather unsettled through the middle of next week. Daytime temperatures will be noticeably more tolerable, but southerly winds will maintain the humidity. 25 && .AVIATION... /Issued 1205 AM CDT Thu Jul 29 2021/ /6Z TAFs/ VFR will prevail through the period with light and variable winds into early Thursday morning. A general southeasterly flow will prevail by afternoon at 5-10 kt. We'll keep a VCTS in at Waco during the afternoon for widely scattered thunderstorms, but this activity should diminish by early evening. Dunn && .PRELIMINARY POINT TEMPS/POPS... Dallas-Ft. Worth 99 80 100 79 100 / 10 0 10 0 5 Waco 96 77 97 77 97 / 20 5 10 0 5 Paris 97 77 98 77 97 / 5 0 5 0 5 Denton 99 76 100 77 100 / 10 0 5 0 0 McKinney 98 77 99 77 98 / 10 0 5 0 5 Dallas 99 81 99 82 100 / 10 0 10 0 5 Terrell 97 76 97 77 97 / 10 0 10 0 5 Corsicana 96 77 97 77 97 / 20 5 10 0 5 Temple 96 75 97 75 97 / 20 5 20 0 10 Mineral Wells 97 74 97 74 98 / 10 5 10 0 5 && .FWD WATCHES/WARNINGS/ADVISORIES... Heat Advisory from noon today to 7 PM CDT this evening for TXZ092>095-103>107-118>123-135-148. &&
Hazardous Weather Outlook National Weather Service Fort Worth TX 315 AM CDT Thu Jul 29 2021 TXZ091>095-100>107-115>123-129>135-141>148-156>162-174-175-301100- Montague-Cooke-Grayson-Fannin-Lamar-Young-Jack-Wise-Denton-Collin- Hunt-Delta-Hopkins-Stephens-Palo Pinto-Parker-Tarrant-Dallas- Rockwall-Kaufman-Van Zandt-Rains-Eastland-Erath-Hood-Somervell- Johnson-Ellis-Henderson-Comanche-Mills-Hamilton-Bosque-Hill-Navarro- Freestone-Anderson-Lampasas-Coryell-Bell-McLennan-Falls-Limestone- Leon-Milam-Robertson- 315 AM CDT Thu Jul 29 2021 This Hazardous Weather Outlook is for North and Central Texas. .DAY ONE...Tonight. Isolated thunderstorms are expected again today, primarily south of the I-20 corridor. Lightning and gusty winds will be the primary hazards. Afternoon heat index values will likely reach 105 across much of North Central and East Texas. .DAYS TWO THROUGH SEVEN...Thursday through Tuesday. A few thunderstorms will be possible Friday afternoon in Central Texas. Lightning and gusty winds will continue to be the primary hazards. The heat index will reach or exceed 105 in many areas Friday through Sunday. Thunderstorm chances will return on Sunday and continue into Monday and Tuesday. .SPOTTER INFORMATION STATEMENT... Spotter activation is not expected at this time.
The national radar mosaic for the moment the first event began.
40 heat. Local standard time, as filed.
Heat Index values reached 105-110 degrees in the afternoon hours of the 29th through 31st.
Heat Index values reached 105-110 degrees in the afternoon hours of the 29th through 31st.
Heat Index values reached 105-110 degrees in the afternoon hours of the 29th through 31st.
Heat Index values reached 105-110 degrees in the afternoon hours of the 29th through 31st.
Heat Index values reached 105-110 degrees in the afternoon hours of the 29th through 31st.
Heat Index values reached 105-110 degrees in the afternoon hours of the 29th through 31st.
Heat Index values reached 105-110 degrees in the afternoon hours of the 29th through 31st.
Heat Index values reached 105-110 degrees in the afternoon hours of the 29th through 31st.
Heat Index values reached 105-110 degrees in the afternoon hours of the 29th through 31st.
Heat Index values reached 105-110 degrees in the afternoon hours of the 29th through 31st.
Heat Index values reached 105-110 degrees in the afternoon hours of the 29th through 31st.
Heat Index values reached 105-110 degrees in the afternoon hours of the 29th through 31st.
Heat Index values reached 105-110 degrees in the afternoon hours of the 29th through 31st.
Heat Index values reached 105-110 degrees in the afternoon hours of the 29th through 31st.
Heat Index values reached 105-110 degrees in the afternoon hours of the 29th through 31st.
Heat Index values reached 105-110 degrees in the afternoon hours of the 29th through 31st.
Heat Index values reached 105-110 degrees in the afternoon hours of the 29th through 31st.
Heat Index values reached 105-110 degrees in the afternoon hours of the 29th through 31st.
Heat Index values reached 105-110 degrees in the afternoon hours of the 29th through 31st.
Heat Index values reached 105-110 degrees in the afternoon hours of the 29th through 31st.
Heat Index values reached 105-110 degrees in the afternoon hours of the 29th through 31st.
Heat Index values reached 105-110 degrees in the afternoon hours of the 29th through 31st.
Heat Index values reached 105-110 degrees in the afternoon hours of the 29th through 31st.
Heat Index values reached 105-110 degrees in the afternoon hours of the 29th through 31st.
Heat Index values reached 105-110 degrees in the afternoon hours of the 29th through 31st.
Heat Index values reached 105-110 degrees in the afternoon hours of the 30th through 31st.
Heat Index values reached 105-110 degrees in the afternoon hours of the 30th through 31st.
Heat Index values reached 105-110 degrees in the afternoon hours of the 30th through 31st.
Heat Index values reached 105-110 degrees in the afternoon hours of the 30th through 31st.
Heat Index values reached 105-110 degrees in the afternoon hours of the 30th through 31st.
Heat Index values reached 105-110 degrees in the afternoon hours of the 30th through 31st.
Heat Index values reached 105-110 degrees in the afternoon hours of the 30th through 31st.
Heat Index values reached 105-110 degrees in the afternoon hours of the 30th through 31st.
Heat Index values reached 105-110 degrees in the afternoon hours of the 30th through 31st.
Heat Index values reached 105-110 degrees in the afternoon hours of the 30th through 31st.
Heat Index values reached 105-110 degrees in the afternoon hours of the 30th through 31st.
Heat Index values reached 105-110 degrees in the afternoon hours of the 31st.
Heat Index values reached 105-110 degrees in the afternoon hours of the 31st.
Heat Index values reached 105-110 degrees in the afternoon hours of the 31st.
Heat Index values reached 105-110 degrees in the afternoon hours of the 31st.
After NWS Directive 10-1605, the rules offices file Storm Data by.
Every storm in Texas in 2021Every state in 2021This day in weather historyWarnings in Texas, July 2021
NOAA National Centers for Environmental Information, Storm Events Database, compiled from the National Weather Service’s monthly Storm Data. Complete through 2026-06; NCEI adds each month about 75 days after it ends and revises past years a few times a year. Rebuilt 2026-09-24. Each event’s entry at NCEI: 972614, 972615, 972616, 972617, 972618, 972619, 972620, 972621, 972622, 972623, 972624, 972625, 972626, 972627, 972628, 972629, 972630, 972631, 972632, 972633, 972634, 972635, 972636, 972637, 972653, 972638, 972639, 972640, 972641, 972642, 972643, 972644, 972645, 972646, 972647, 972648, 972649, 972650, 972651, 972652.