Alert archive / Texas / Flash Flood Warnings in 2010

Flash Flood Warning 18, NWS Fort Worth, TX

May 17, 2010Dallas County, Tarrant County, Texas

NWS Fort Worth, TX issued this flash flood warning at May 17, 2010, 4:14 PM CDT for Dallas County, Tarrant County, Texas. It was in force for 2 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 17, 2010, 4:14 PM CDT (21:14 UTC)
Expired
May 17, 2010, 6:15 PM CDT
In force
2 hr
Issued by
NWS Fort Worth, TX
Area
Storm-based polygon
Flood severity
None

Counties Dallas County, TX, Tarrant County, TX

The radar

The Dallas/Ft Worth radar (KFWS), 33 km from the middle of the area, began a volume at 21:14 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, 9.2 hours before the alert went out and 25 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 12:00Z on 2010-05-17Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1818 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 12:00Z on 2010-05-17The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 36 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
1818 J/kg
Mixed-layer CIN
-48 J/kg
Mixed-layer LCL
1010 m above ground
0-6 km bulk shear
28 kt
0-1 km storm-relative helicity
36 m²/s²
0-3 km storm-relative helicity
56 m²/s²
Significant tornado parameter
0.1
Supercell composite
0.7

Open this sounding in Storm Lab

The office that day

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

IssuedProductOfficeCountiesLasted
May 16, 7:55 PM CDTSpecial Weather StatementFWDSomervell35 min
May 16, 8:11 PM CDTSpecial Weather StatementFWDSomervell34 min
May 16, 9:00 PM CDTSpecial Weather StatementFWDHunt30 min
May 16, 9:18 PM CDTSpecial Weather StatementFWDHopkins27 min
May 16, 9:42 PM CDTSpecial Weather StatementFWDHopkins33 min
May 16, 10:13 PM CDTSpecial Weather StatementFWDHopkins32 min
May 17, 1:03 PM CDTSpecial Weather StatementFWDPalo Pinto27 min
May 17, 1:13 PM CDTSpecial Weather StatementFWDRockwall32 min
May 17, 1:23 PM CDTAreal Flood AdvisoryFWDPalo Pinto3 hr
May 17, 1:53 PM CDTFlash Flood WarningFWDPalo Pinto, Stephens112 min
May 17, 2:06 PM CDTSevere Thunderstorm WarningFWDEastland, Stephens54 min
May 17, 2:11 PM CDTSpecial Weather StatementFWDKaufman, Rockwall34 min
May 17, 2:15 PM CDTSpecial Weather StatementFWDEllis30 min
May 17, 2:27 PM CDTSevere Thunderstorm WarningFWDEllis63 min
May 17, 2:31 PM CDTSevere Thunderstorm WarningFWDPalo Pinto59 min
May 17, 2:35 PM CDTSpecial Weather StatementFWDHill25 min
May 17, 2:45 PM CDTSpecial Weather StatementFWDKaufman30 min
May 17, 2:48 PM CDTSpecial Weather StatementFWDHood27 min
May 17, 2:58 PM CDTSevere Thunderstorm WarningFWDEastland, Stephens39 min
May 17, 3:00 PM CDTSevere Thunderstorm WarningFWDDallas, Kaufman60 min
May 17, 3:08 PM CDTSevere Thunderstorm WarningFWDErath, Hood, Somervell67 min
May 17, 3:24 PM CDTAreal Flood AdvisoryFWDDallas, Kaufman2 hr
May 17, 3:25 PM CDTFlash Flood WarningFWDEastland, Erath, Hood, Palo Pinto, Stephens3 hr
May 17, 3:31 PM CDTSevere Thunderstorm WarningFWDParker59 min
May 17, 3:43 PM CDTSevere Thunderstorm WarningFWDDallas, Ellis, Johnson, Tarrant62 min
May 17, 4:00 PM CDTSpecial Weather StatementFWDComanche30 min
May 17, 4:15 PM CDTSevere Thunderstorm WarningFWDBosque, Hill, Johnson, Somervell60 min
May 17, 4:21 PM CDTSpecial Weather StatementFWDBell24 min
May 17, 4:37 PM CDTAreal Flood AdvisoryFWDEllis, Navarro113 min
May 17, 4:42 PM CDTSpecial Weather StatementFWDNavarro33 min
May 17, 5:12 PM CDTSpecial Weather StatementFWDFreestone33 min
May 17, 5:18 PM CDTSpecial Weather StatementFWDFreestone27 min
May 17, 5:40 PM CDTSpecial Weather StatementFWDMcLennan35 min
May 17, 5:56 PM CDTSpecial Weather StatementFWDLeon34 min
May 17, 6:02 PM CDTSevere Thunderstorm WarningFWDBell, Falls58 min
May 17, 6:24 PM CDTAreal Flood AdvisoryFWDFalls, Limestone, McLennan2 hr
May 17, 6:32 PM CDTSevere Thunderstorm WarningFWDMilam, Robertson58 min
May 17, 6:37 PM CDTSpecial Weather StatementFWDLimestone23 min
May 17, 6:45 PM CDTSevere Thunderstorm WarningFWDFalls, Limestone45 min
May 17, 6:52 PM CDTSevere Thunderstorm WarningFWDLeon, Robertson53 min

Nearby

Flash Flood Warnings in Texas, 2010Every flash flood warning in 2010

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.