Alert archive / Texas / Flash Flood Warnings in 2007

Flash Flood Warning 168, NWS Fort Worth, TX

June 13, 2007Dallas County, Texas

NWS Fort Worth, TX issued this flash flood warning at Jun 13, 2007, 3:18 PM CDT for Dallas 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: Jun 13, 2007, 3:18 PM CDT (20:18 UTC)
Expired: Jun 13, 2007, 6:15 PM CDT
In force: 3 hr
Issued by: NWS Fort Worth, TX
Area: Whole counties

County Dallas County, TX

The radar

The Dallas/Ft Worth radar (KFWS), 54 km from the middle of the area, began a volume at 20:22 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, 8.3 hours before the alert went out and 48 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: 593 J/kg
Mixed-layer CIN: -75 J/kg
Mixed-layer LCL: 1254 m above ground
0-6 km bulk shear: 7 kt
0-1 km storm-relative helicity: 0 m²/s²
0-3 km storm-relative helicity: 16 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

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 Jun 13, 2:57 PM CDT, 21 minutes earlier.

Area forecast discussion, Jun 13, 2:57 PM CDT, 21 minutes before

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Hazardous weather outlook, Jun 13, 8:30 AM CDT, 6 hours 48 minutes before

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In the hours before

Special weather statement, Jun 13, 2:03 PM CDT, 1 hour 15 minutes before

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE FORT WORTH TX
203 PM CDT WED JUN 13 2007

TXZ119-131930-
DALLAS TX-
203 PM CDT WED JUN 13 2007

...SIGNIFICANT WEATHER ADVISORY FOR...
  CENTRAL DALLAS COUNTY

AT 203 PM CDT...NATIONAL WEATHER SERVICE METEOROLOGISTS DETECTED A
STRONG THUNDERSTORM 3 MILES NORTHWEST OF HUTCHINS...DRIFTING
NORTHEAST AT 5 MPH.

CITIES IN THE PATH OF THIS STORM INCLUDE DALLAS AND HUTCHINS.

WIND GUSTS TO 50 MPH AND 1/2 INCH HAIL CAN BE EXPECTED FROM THIS
STORM.

HEAVY RAINFALL MAY RESULT IN FLOODING OF LOW LYING AREAS SUCH AS
DITCHES AND UNDERPASSES. AVOID THESE AREAS AND DO NOT CROSS FLOODED
ROADS AS THEY MAY BE WASHED OUT.

LAT...LON 3264 9682 3262 9671 3280 9665 3281 9677

58

The office that day

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

Issued	Product	Office	Counties	Lasted
Jun 13, 2:03 PM CDT	Special Weather Statement	FWD	Dallas	27 min
Jun 13, 6:42 PM CDT	Special Weather Statement	FWD	Delta	33 min
Jun 13, 6:49 PM CDT	Flash Flood Warning	FWD	Delta	116 min
Jun 13, 6:58 PM CDT	Severe Thunderstorm Warning	FWD	Fannin, Hunt	62 min

Nearby

Flash Flood Warnings in Texas, 2007 Every flash flood warning in 2007

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.