Alert archive / Texas / Flash Flood Warnings in 2010

Flash Flood Warning 47, NWS Fort Worth, TX

July 8, 2010Montague County, Texas

NWS Fort Worth, TX issued this flash flood warning at Jul 8, 2010, 6:25 PM CDT for Montague County, Texas. It was in force for 110 min. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued: Jul 8, 2010, 6:25 PM CDT (23:25 UTC)
Expired: Jul 8, 2010, 8:15 PM CDT
In force: 110 min
Issued by: NWS Fort Worth, TX
Area: Storm-based polygon
Flood severity: None

County Montague County, TX

The radar

The Dallas/Ft Worth radar (KFWS), 129 km from the middle of the area, began a volume at 23:29 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

Norman, OK (KOUN), launched 12:00Z, 11.4 hours before the alert went out and 174 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: 929 J/kg
Mixed-layer CIN: 0 J/kg
Mixed-layer LCL: 489 m above ground
0-6 km bulk shear: 28 kt
0-1 km storm-relative helicity: -26 m²/s²
0-3 km storm-relative helicity: 20 m²/s²
Significant tornado parameter: -0.0
Supercell composite: -0.2

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 Jul 8, 6:17 PM CDT, 8 minutes earlier.

Area forecast discussion, Jul 8, 6:17 PM CDT, 8 minutes before

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Hazardous weather outlook, Jul 8, 3:32 PM CDT, 2 hours 53 minutes before

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In the hours before

Special weather statement, Jul 8, 3:52 PM CDT, 2 hours 33 minutes before

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Special weather statement, Jul 8, 5:19 PM CDT, 1 hour 6 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
Jul 7, 7:16 PM CDT	Areal Flood Advisory	FWD	Palo Pinto	119 min
Jul 7, 7:40 PM CDT	Special Weather Statement	FWD	Dallas	35 min
Jul 7, 7:42 PM CDT	Special Weather Statement	FWD	Dallas	33 min
Jul 7, 10:42 PM CDT	Areal Flood Advisory	FWD	Eastland	2 hr
Jul 8, 2:13 PM CDT	Areal Flood Advisory	FWD	Coryell	3 hr
Jul 8, 3:52 PM CDT	Special Weather Statement	FWD	Dallas	53 min
Jul 8, 5:19 PM CDT	Special Weather Statement	FWD	Wise	26 min

Nearby

Flash Flood Warnings in Texas, 2010 Every 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.