Alert archive / Texas / Mesoscale Discussions in 2005

Mesoscale Discussion 2371

October 31, 200515 counties in Texas

The Storm Prediction Center issued this mesoscale discussion at Oct 31, 2005, 5:26 PM CST for 15 counties in Texas. It was in force for 94 min.

The area

The outline as issued.

The facts

Issued: Oct 31, 2005, 5:26 PM CST (23:26 UTC)
Expired: Oct 31, 2005, 7:00 PM CST
In force: 94 min
Issued by: the Storm Prediction Center

Counties Bee County, TX, Brooks County, TX, Cameron County, TX, Duval County, TX, Hidalgo County, TX, Jim Hogg County, TX, Jim Wells County, TX, Kenedy County, TX, Kleberg County, TX, Live Oak County, TX, McMullen County, TX, Nueces County, TX, San Patricio County, TX, Starr County, TX, Willacy County, TX

The radar

The Corpus Christi radar (KCRP), 85 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

Corpus Christi, TX (KCRP), launched 12:00Z, 11.4 hours before the alert went out and 85 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: 126 J/kg
Mixed-layer CIN: -118 J/kg
Mixed-layer LCL: 954 m above ground
0-6 km bulk shear: 16 kt
0-1 km storm-relative helicity: 13 m²/s²
0-3 km storm-relative helicity: 71 m²/s²
Significant tornado parameter: 0.0
Supercell composite: -0.0

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
Oct 30, 11:48 PM CST	Mesoscale Discussion	SPC	Hemphill, Lipscomb, Ochiltree, Roberts, Wheeler	117 min
Oct 31, 10:55 AM CST	Mesoscale Discussion	SPC	Anderson, Austin, Bastrop, Bell, Blanco, Brazos and 33 more	65 min
Oct 31, 11:25 AM CST	Severe Thunderstorm Watch	SPC	Anderson, Angelina, Atascosa, Austin, Bastrop, Bell and 54 more	7 hr
Oct 31, 1:35 PM CST	Severe Thunderstorm Watch	SPC	San Augustine, Shelby	6 hr
Oct 31, 1:53 PM CST	Mesoscale Discussion	SPC	Anderson, Angelina, Atascosa, Austin, Bastrop, Bell and 55 more	97 min
Oct 31, 2:54 PM CST	Mesoscale Discussion	SPC	Brazoria, Calhoun, Chambers, Colorado, Fort Bend, Galveston and 16 more	66 min
Oct 31, 3:10 PM CST	Severe Thunderstorm Watch	SPC	Aransas, Brazoria, Calhoun, Chambers, DeWitt, Fort Bend and 13 more	6 hr

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.