Alert archive / Texas / Mesoscale Discussions in 2005

Mesoscale Discussion 1067

May 30, 20055 counties in Texas

The Storm Prediction Center issued this mesoscale discussion at May 30, 2005, 1:55 AM CDT for 5 counties in Texas. It was in force for 95 min.

The area

The outline as issued.

The facts

Issued: May 30, 2005, 1:55 AM CDT (06:55 UTC)
Expired: May 30, 2005, 3:30 AM CDT
In force: 95 min
Issued by: the Storm Prediction Center

Counties Brooks County, TX, Cameron County, TX, Hidalgo County, TX, Kenedy County, TX, Willacy County, TX

The radar

The Brownsville radar (KBRO), 85 km from the middle of the area, began a volume at 06:58 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

Brownsville Intl, TX (KBRO), launched 00:00Z, 6.9 hours before the alert went out and 87 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: 3120 J/kg
Mixed-layer CIN: -194 J/kg
Mixed-layer LCL: 1139 m above ground
0-6 km bulk shear: 42 kt
0-1 km storm-relative helicity: 117 m²/s²
0-3 km storm-relative helicity: 156 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 1.8

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

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SPC that day

Everything else SPC issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
May 29, 7:45 PM CDT	Mesoscale Discussion	SPC	Anderson, Bell, Blanco, Burnet, Coryell, Falls and 9 more	90 min
May 29, 9:01 PM CDT	Mesoscale Discussion	SPC	Brooks, Hidalgo, Jim Hogg, Jim Wells, Kenedy, Kleberg and 4 more	89 min
May 29, 10:05 PM CDT	Mesoscale Discussion	SPC	Atascosa, Austin, Bastrop, Bee, Bexar, Brazoria and 40 more	55 min
May 29, 10:53 PM CDT	Mesoscale Discussion	SPC	Jasper, Newton, Orange	37 min
May 29, 11:00 PM CDT	Severe Thunderstorm Watch	SPC	Chambers, Hardin, Jefferson, Orange	6 hr
May 29, 11:08 PM CDT	Mesoscale Discussion	SPC	Brooks, Hidalgo, Jim Hogg, Kenedy, Kleberg, Nueces and 2 more	67 min
May 29, 11:25 PM CDT	Severe Thunderstorm Watch	SPC	Brooks, Cameron, Hidalgo, Kenedy, Willacy	6 hr
May 30, 1:33 AM CDT	Mesoscale Discussion	SPC	Chambers, Hardin, Jefferson, Orange	87 min
May 30, 4:08 AM CDT	Mesoscale Discussion	SPC	Brooks, Cameron, Hidalgo, Kenedy, Willacy	67 min
May 30, 1:48 PM CDT	Mesoscale Discussion	SPC	Angelina, Brazoria, Chambers, Fort Bend, Grimes, Hardin and 18 more	117 min

Nearby

Mesoscale Discussions in Texas, 2005 Every mesoscale discussion in 2005

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.