Alert archive / Texas / Mesoscale Discussions in 2010

Mesoscale Discussion 908

June 12, 20104 states

The Storm Prediction Center issued this mesoscale discussion at Jun 12, 2010, 2:00 PM CDT for 4 states. It was in force for 60 min.

The area

The outline as issued.

The facts

Issued: Jun 12, 2010, 2:00 PM CDT (19:00 UTC)
Expired: Jun 12, 2010, 3:00 PM CDT
In force: 60 min
Issued by: the Storm Prediction Center

All 31 counties

Clark County, KS, Ford County, KS, Gray County, KS, Haskell County, KS, Hodgeman County, KS, Meade County, KS, Seward County, KS, Colfax County, NM, Harding County, NM, Mora County, NM, Quay County, NM, San Miguel County, NM, Beaver County, OK, Texas County, OK, Armstrong County, TX, Carson County, TX, Dallam County, TX, Deaf Smith County, TX, Gray County, TX, Hansford County, TX, Hartley County, TX, Hemphill County, TX, Hutchinson County, TX, Lipscomb County, TX, Moore County, TX, Ochiltree County, TX, Oldham County, TX, Potter County, TX, Randall County, TX, Roberts County, TX, Sherman County, TX

The radar

The Amarillo radar (KAMA), 150 km from the middle of the area, began a volume at 19:01 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 watches that followed

Watches SPC issued over any of the same counties within four hours of this discussion.

The nearest sounding before it

Amarillo Airport, TX (KAMA), launched 12:00Z, 7.0 hours before the alert went out and 151 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: 1486 J/kg
Mixed-layer CIN: -218 J/kg
Mixed-layer LCL: 1288 m above ground
0-6 km bulk shear: 8 kt
0-1 km storm-relative helicity: -88 m²/s²
0-3 km storm-relative helicity: -95 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
Jun 11, 7:34 PM CDT	Tornado Watch	SPC	Cheyenne, Decatur, Gove, Graham, Greeley, Logan and 11 more	5 hr
Jun 11, 8:44 PM CDT	Mesoscale Discussion	SPC	Cheyenne, Decatur, Logan, Norton, Rawlins, Sheridan and 3 more	2 hr
Jun 11, 10:34 PM CDT	Mesoscale Discussion	SPC	Cheyenne, Decatur, Gove, Graham, Jewell, Logan and 8 more	86 min
Jun 12, 1:00 AM CDT	Severe Thunderstorm Watch	SPC	Jewell, Phillips, Smith	6 hr
Jun 12, 3:16 AM CDT	Mesoscale Discussion	SPC	Decatur, Jewell, Norton, Phillips, Smith	59 min
Jun 12, 2:41 PM CDT	Tornado Watch	SPC	Barton, Clark, Comanche, Edwards, Ellsworth, Finney and 19 more	7 hr
Jun 12, 6:32 PM CDT	Mesoscale Discussion	SPC	Barton, Clark, Edwards, Ford, Gray, Hodgeman and 8 more	3 hr
Jun 12, 3:14 PM CDT	Severe Thunderstorm Watch	SPC	Colfax, Harding, Mora, Quay, San Miguel, Union	7 hr
Jun 12, 5:24 PM CDT	Mesoscale Discussion	SPC	Lea, Roosevelt	66 min
Jun 12, 5:38 PM CDT	Severe Thunderstorm Watch	SPC	Curry, Eddy, Lea, Roosevelt	5 hr

Nearby

Mesoscale Discussions in Texas, 2010 Mesoscale Discussions in Kansas, 2010 Mesoscale Discussions in New Mexico, 2010 Every mesoscale discussion 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.