Alert archive / Texas / Mesoscale Discussions in 2006

Mesoscale Discussion 365

March 30, 200614 counties in Texas

The Storm Prediction Center issued this mesoscale discussion at Mar 30, 2006, 1:36 PM CST for 14 counties in Texas. It was in force for 114 min.

The area

The outline as issued.

The facts

Issued
Mar 30, 2006, 1:36 PM CST (19:36 UTC)
Expired
Mar 30, 2006, 3:30 PM CST
In force
114 min
Issued by
the Storm Prediction Center

Counties Archer County, TX, Clay County, TX, Cooke County, TX, Denton County, TX, Jack County, TX, Montague County, TX, Palo Pinto County, TX, Parker County, TX, Shackelford County, TX, Stephens County, TX, Tarrant County, TX, Throckmorton County, TX, Wise County, TX, Young County, TX

The radar

The Dallas/Ft Worth radar (KFWS), 114 km from the middle of the area, began a volume at 19:36 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

Fort Sill, OK (KFSI), launched 12:00Z, 7.6 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-pSkew-T log-p diagram, Fort Sill, OK at 12:00Z on 2006-03-30Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1309 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Fort Sill, OK at 12:00Z on 2006-03-30The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 346 square meters per square second.19395878Sfc1 km3 km6 km9 kmRMLM
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
1309 J/kg
Mixed-layer CIN
-127 J/kg
Mixed-layer LCL
882 m above ground
0-6 km bulk shear
28 kt
0-1 km storm-relative helicity
346 m²/s²
0-3 km storm-relative helicity
425 m²/s²
Significant tornado parameter
1.2
Supercell composite
13.7

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.

IssuedProductOfficeCountiesLasted
Mar 29, 11:16 PM CSTMesoscale DiscussionSPCArcher, Armstrong, Baylor, Briscoe, Carson, Childress and 33 more119 min
Mar 30, 2:58 AM CSTMesoscale DiscussionSPCLipscomb, Ochiltree2 hr
Mar 30, 5:10 PM CSTMesoscale DiscussionSPCCooke, Delta, Fannin, Grayson, Lamar2 hr
Mar 30, 5:39 PM CSTTornado WatchSPCClay, Collin, Cooke, Delta, Denton, Fannin and 8 more6 hr

Nearby

Mesoscale Discussions in Texas, 2006Every mesoscale discussion in 2006

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.