Alert archive / Texas / Flash Flood Warnings in 2024

Flash Flood Warning 147, NWS Fort Worth, TX

December 24, 2024Collin County, Dallas County, Denton County, Texas

NWS Fort Worth, TX issued this flash flood warning at Dec 24, 2024, 10:52 AM CST for Collin County, Dallas County, Denton County, Texas. It was in force for 3 hr. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued: Dec 24, 2024, 10:52 AM CST (16:52 UTC)
Expired: Dec 24, 2024, 2:00 PM CST
In force: 3 hr
Issued by: NWS Fort Worth, TX
Area: Storm-based polygon
Flood severity: None

Counties Collin County, TX, Dallas County, TX, Denton County, TX

The radar

The Dallas/Ft Worth radar (KFWS), 70 km from the middle of the area, began a volume at 16:55 UTC, the scan nearest the moment this went out.

Open the radar archive at this moment

The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.

The nearest sounding before it

Fort Worth, TX (KFWD), launched 12:00Z, 4.9 hours before the alert went out and 50 km from the middle of its area. This is the routine balloon launch nearest before it, the air the forecaster had in hand, not a measurement taken for the alert.

Skew-T log-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.

Mixed-layer CAPE: 490 J/kg
Mixed-layer CIN: -18 J/kg
Mixed-layer LCL: 479 m above ground
0-6 km bulk shear: 43 kt
0-1 km storm-relative helicity: 186 m²/s²
0-3 km storm-relative helicity: 188 m²/s²
Significant tornado parameter: 0.4
Supercell composite: 3.2

Open this sounding in Storm Lab

What forecasters said that day

The local office's own words before this flash flood warning went out, 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 this flash flood warning went out at Dec 24, 5:27 AM CST, 5 hours 25 minutes earlier.

Area forecast discussion, Dec 24, 5:27 AM CST, 5 hours 25 minutes before

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Hazardous weather outlook, Dec 24, 4:07 AM CST, 6 hours 45 minutes before

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In the hours before

Special weather statement, Dec 24, 7:19 AM CST, 3 hours 33 minutes before

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Local storm report, Dec 24, 10:08 AM CST, 44 minutes before

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Local storm report, Dec 24, 10:20 AM CST, 32 minutes before

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Local storm report, Dec 24, 10:37 AM CST, 15 minutes before

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Local storm report, Dec 24, 10:39 AM CST, 13 minutes before

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The office that day

Everything else NWS Fort Worth, TX issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Dec 24, 7:19 AM CST	Special Weather Statement	FWD	Parker	26 min
Dec 24, 8:23 AM CST	Areal Flood Advisory	FWD	Grayson	3 hr
Dec 24, 8:34 AM CST	Areal Flood Advisory	FWD	Parker	3 hr
Dec 24, 9:09 AM CST	Flash Flood Warning	FWD	Parker	3 hr
Dec 24, 9:31 AM CST	Flash Flood Warning	FWD	Tarrant	119 min
Dec 24, 11:39 AM CST	Flash Flood Warning	FWD	Dallas, Tarrant	3 hr
Dec 24, 12:04 PM CST	Special Weather Statement	FWD	Dallas	26 min
Dec 24, 12:14 PM CST	Special Weather Statement	FWD	Dallas	31 min
Dec 24, 12:40 PM CST	Special Weather Statement	FWD	Dallas	35 min
Dec 24, 12:50 PM CST	Special Weather Statement	FWD	Johnson	25 min
Dec 24, 1:14 PM CST	Flash Flood Warning	FWD	Dallas	2 hr
Dec 24, 1:36 PM CST	Special Weather Statement	FWD	Rockwall	54 min
Dec 24, 1:44 PM CST	Special Weather Statement	FWD	Ellis	46 min
Dec 24, 1:54 PM CST	Severe Thunderstorm Warning	FWD	Ellis	66 min
Dec 24, 2:09 PM CST	Special Weather Statement	FWD	Bosque	36 min
Dec 24, 2:10 PM CST	River Flood Warning	FWD	Dallas	5 hr
Dec 24, 2:15 PM CST	Severe Thunderstorm Warning	FWD	Bosque	45 min
Dec 24, 2:46 PM CST	Areal Flood Advisory	FWD	Dallas, Ellis, Kaufman	3 hr
Dec 24, 2:47 PM CST	Special Weather Statement	FWD	Kaufman	43 min
Dec 24, 2:56 PM CST	Areal Flood Advisory	FWD	Bosque	3 hr
Dec 24, 2:57 PM CST	Severe Thunderstorm Warning	FWD	Bosque, Hill	43 min
Dec 24, 4:28 PM CST	Special Weather Statement	FWD	Navarro	47 min
Dec 24, 5:13 PM CST	Tornado Warning	FWD	Freestone, Limestone	47 min
Dec 24, 5:15 PM CST	Areal Flood Advisory	FWD	Henderson, Kaufman, Navarro, Van Zandt	3 hr
Dec 24, 5:51 PM CST	Special Weather Statement	FWD	Hill	39 min
Dec 24, 5:57 PM CST	Tornado Warning	FWD	Freestone	37 min

Nearby

Flash Flood Warnings in Texas, 2024 Every flash flood warning in 2024

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.