Alert archive / Texas / Flash Flood Warnings in 2024

Flash Flood Warning 45, NWS Fort Worth, TX

May 5, 2024Collin County, Denton County, Texas

NWS Fort Worth, TX issued this flash flood warning at May 5, 2024, 2:22 AM CDT for Collin 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
May 5, 2024, 2:22 AM CDT (07:22 UTC)
Expired
May 5, 2024, 5:30 AM CDT
In force
3 hr
Issued by
NWS Fort Worth, TX
Area
Storm-based polygon
Flood severity
None

Counties Collin County, TX, Denton County, TX

The radar

The Dallas/Ft Worth radar (KFWS), 82 km from the middle of the area, began a volume at 07:23 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 00:00Z, 7.4 hours before the alert went out and 58 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-pSkew-T log-p diagram, Fort Worth, TX at 00:00Z on 2024-05-05Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1659 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Fort Worth, TX at 00:00Z on 2024-05-05The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -45 square meters per square second.193958Sfc1 km3 km6 km9 kmRMLM
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
1659 J/kg
Mixed-layer CIN
-4 J/kg
Mixed-layer LCL
663 m above ground
0-6 km bulk shear
25 kt
0-1 km storm-relative helicity
-45 m²/s²
0-3 km storm-relative helicity
10 m²/s²
Significant tornado parameter
0.0
Supercell composite
-0.1

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 May 4, 11:48 PM CDT, 2 hours 34 minutes earlier.

Area forecast discussion, May 4, 11:48 PM CDT, 2 hours 34 minutes before
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Hazardous weather outlook, May 4, 11:59 PM CDT, 2 hours 23 minutes before
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In the hours before

Special weather statement, May 4, 9:12 PM CDT, 5 hours 10 minutes before
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Local storm report, May 4, 9:29 PM CDT, 4 hours 53 minutes before
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Local storm report, May 4, 9:31 PM CDT, 4 hours 51 minutes before
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Local storm report, May 4, 9:44 PM CDT, 4 hours 38 minutes before
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Local storm report, May 4, 11:31 PM CDT, 2 hours 51 minutes before
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Local storm report, May 4, 11:53 PM CDT, 2 hours 29 minutes before
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The office that day

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

IssuedProductOfficeCountiesLasted
May 4, 7:20 PM CDTSpecial Weather StatementFWDHamilton, Mills40 min
May 4, 7:36 PM CDTFlash Flood WarningFWDEastland7 hr
May 4, 7:53 PM CDTFlash Flood WarningFWDHamilton, Mills8 hr
May 4, 7:59 PM CDTSevere Thunderstorm WarningFWDComanche, Hamilton61 min
May 4, 8:41 PM CDTSevere Thunderstorm WarningFWDBosque, Coryell, Hamilton64 min
May 4, 8:45 PM CDTSpecial Weather StatementFWDCoryell30 min
May 4, 9:12 PM CDTSpecial Weather StatementFWDMcLennan33 min
May 4, 9:41 PM CDTFlash Flood Warning Considerable damage threatFWDHamilton6 hr
May 4, 10:46 PM CDTFlash Flood WarningFWDCoryell, Lampasas6 hr
May 4, 11:06 PM CDTFlash Flood WarningFWDBosque7 hr
May 4, 11:45 PM CDTFlash Flood WarningFWDJohnson8 hr
May 4, 11:54 PM CDTRiver Flood WarningFWDBosque25 hr
May 4, 11:59 PM CDTAreal Flood AdvisoryFWDDallas, Tarrant4 hr
May 5, 12:12 AM CDTRiver Flood WarningFWDCoryell59 hr
May 5, 12:13 AM CDTRiver Flood WarningFWDCoryell20 hr
May 5, 1:05 AM CDTAreal Flood AdvisoryFWDBell115 min
May 5, 1:41 AM CDTFlash Flood WarningFWDDallas, Tarrant3 hr
May 5, 2:36 AM CDTRiver Flood WarningFWDHamilton34 hr
May 5, 2:36 AM CDTRiver Flood WarningFWDBosque, McLennan17 hr
May 5, 2:40 AM CDTRiver Flood WarningFWDDallas17 hr
May 5, 2:40 AM CDTRiver Flood WarningFWDTarrant17 hr
May 5, 2:40 AM CDTRiver Flood WarningFWDDallas54 hr
May 5, 2:55 AM CDTFlash Flood WarningFWDEllis3 hr
May 5, 3:17 AM CDTFlash Flood WarningFWDHill, McLennan3 hr
May 5, 3:59 AM CDTAreal Flood WarningFWDCoryell, Hamilton, Lampasas, Mills5 hr
May 5, 4:57 AM CDTSpecial Weather StatementFWDLeon33 min
May 5, 6:05 AM CDTAreal Flood WarningFWDBosque3 hr
May 5, 6:18 AM CDTRiver Flood WarningFWDDallas13 hr
May 5, 6:19 AM CDTRiver Flood WarningFWDNavarro72 hr
May 5, 6:21 AM CDTRiver Flood WarningFWDDenton15 hr
May 5, 7:18 AM CDTRiver Flood WarningFWDHunt, Rockwall31 hr
May 5, 7:18 AM CDTRiver Flood WarningFWDHunt27 hr
May 5, 7:51 AM CDTAreal Flood WarningFWDJohnson3 hr
May 5, 8:22 AM CDTRiver Flood WarningFWDMcLennan19 hr
May 5, 8:22 AM CDTRiver Flood WarningFWDLampasas13 hr
May 5, 8:22 AM CDTRiver Flood WarningFWDTarrant12 hr
May 5, 8:22 AM CDTRiver Flood WarningFWDLimestone48 hr
May 5, 9:11 AM CDTRiver Flood WarningFWDMcLennan16 hr

Nearby

Flash Flood Warnings in Texas, 2024Every 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.