Alert archive / Texas / Flash Flood Warnings in 2010

Flash Flood Warning 6, NWS San Angelo, TX

May 17, 2010Tom Green County, Texas

NWS San Angelo, TX issued this flash flood warning at May 17, 2010, 5:14 PM CDT for Tom Green 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 17, 2010, 5:14 PM CDT (22:14 UTC)
Expired: May 17, 2010, 8:15 PM CDT
In force: 3 hr
Issued by: NWS San Angelo, TX
Area: Storm-based polygon
Flood severity: None

County Tom Green County, TX

The radar

The San Angelo radar (KSJT), 5 km from the middle of the area, began a volume at 22:16 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

Midland Regional, TX (KMAF), launched 12:00Z, 10.2 hours before the alert went out and 175 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: 2459 J/kg
Mixed-layer CIN: -27 J/kg
Mixed-layer LCL: 702 m above ground
0-6 km bulk shear: 33 kt
0-1 km storm-relative helicity: -3 m²/s²
0-3 km storm-relative helicity: 40 m²/s²
Significant tornado parameter: 0.0
Supercell composite: -0.8

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 San Angelo, TX wrote its last area forecast discussion before this flash flood warning went out at May 17, 5:07 PM CDT, 7 minutes earlier.

Area forecast discussion, May 17, 5:07 PM CDT, 7 minutes before

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Hazardous weather outlook, May 17, 3:19 PM CDT, 1 hour 55 minutes before

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In the hours before

Special weather statement, May 17, 4:17 PM CDT, 57 minutes before

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Local storm report, May 17, 4:21 PM CDT, 53 minutes before

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Local storm report, May 17, 4:30 PM CDT, 44 minutes before

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Local storm report, May 17, 4:43 PM CDT, 31 minutes before

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Local storm report, May 17, 4:49 PM CDT, 25 minutes before

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Local storm report, May 17, 4:51 PM CDT, 23 minutes before

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The office that day

Everything else NWS San Angelo, TX issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
May 17, 12:01 PM CDT	Severe Thunderstorm Warning	SJT	Fisher	44 min
May 17, 12:34 PM CDT	Severe Thunderstorm Warning	SJT	Fisher, Haskell, Jones	41 min
May 17, 1:04 PM CDT	Areal Flood Advisory	SJT	Fisher, Jones, Nolan, Taylor	3 hr
May 17, 1:04 PM CDT	Severe Thunderstorm Warning	SJT	Nolan, Taylor	41 min
May 17, 1:16 PM CDT	Severe Thunderstorm Warning	SJT	Fisher, Jones, Shackelford	44 min
May 17, 1:21 PM CDT	Severe Thunderstorm Warning	SJT	Callahan	39 min
May 17, 1:27 PM CDT	Areal Flood Advisory	SJT	Callahan, Jones, Shackelford, Taylor	3 hr
May 17, 1:41 PM CDT	Severe Thunderstorm Warning	SJT	Nolan, Taylor	49 min
May 17, 1:57 PM CDT	Severe Thunderstorm Warning	SJT	Callahan	48 min
May 17, 1:57 PM CDT	Severe Thunderstorm Warning	SJT	Jones, Shackelford	48 min
May 17, 2:21 PM CDT	Areal Flood Advisory	SJT	Callahan, Shackelford	3 hr
May 17, 3:14 PM CDT	Areal Flood Advisory	SJT	Coke, Sterling	3 hr
May 17, 3:37 PM CDT	Severe Thunderstorm Warning	SJT	Coke, Irion, Sterling, Tom Green	38 min
May 17, 4:07 PM CDT	Severe Thunderstorm Warning	SJT	Tom Green	38 min
May 17, 4:14 PM CDT	Areal Flood Advisory	SJT	Irion, Tom Green	3 hr
May 17, 4:44 PM CDT	Severe Thunderstorm Warning	SJT	Concho, Runnels, Tom Green	61 min
May 17, 5:55 PM CDT	Areal Flood Advisory	SJT	Concho, Menard	110 min
May 17, 6:02 PM CDT	Severe Thunderstorm Warning	SJT	Kimble, Menard, Schleicher, Sutton	43 min
May 17, 6:28 PM CDT	Severe Thunderstorm Warning	SJT	Mason	47 min
May 17, 6:36 PM CDT	Areal Flood Advisory	SJT	Kimble, Mason	3 hr
May 17, 6:44 PM CDT	Severe Thunderstorm Warning	SJT	Kimble	46 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.