Alert archive / Arkansas / Mesoscale Discussions in 2008

Mesoscale Discussion 1367

June 13, 20086 states

The Storm Prediction Center issued this mesoscale discussion at Jun 13, 2008, 8:11 PM CDT for 6 states. It was in force for 94 min.

The area

The outline as issued.

The facts

Issued
Jun 13, 2008, 8:11 PM CDT (01:11 UTC)
Expired
Jun 13, 2008, 9:45 PM CDT
In force
94 min
Issued by
the Storm Prediction Center
All 97 counties

Clay County, AR, Cleburne County, AR, Conway County, AR, Craighead County, AR, Crawford County, AR, Cross County, AR, Faulkner County, AR, Franklin County, AR, Greene County, AR, Independence County, AR, Izard County, AR, Jackson County, AR, Johnson County, AR, Lawrence County, AR, Logan County, AR, Madison County, AR, Mississippi County, AR, Newton County, AR, Perry County, AR, Poinsett County, AR, Pope County, AR, Randolph County, AR, Searcy County, AR, Sebastian County, AR, Sharp County, AR, Stone County, AR, Van Buren County, AR, Washington County, AR, White County, AR, Woodruff County, AR, Yell County, AR, Alexander County, IL, Massac County, IL, Pulaski County, IL, Ballard County, KY, Caldwell County, KY, Calloway County, KY, Carlisle County, KY, Christian County, KY, Crittenden County, KY, Fulton County, KY, Graves County, KY, Hickman County, KY, Livingston County, KY, Logan County, KY, Lyon County, KY, Marshall County, KY, McCracken County, KY, Simpson County, KY, Todd County, KY, Trigg County, KY, Butler County, MO, Dunklin County, MO, Mississippi County, MO, New Madrid County, MO, Pemiscot County, MO, Ripley County, MO, Scott County, MO, Stoddard County, MO, Adair County, OK, Cherokee County, OK, Creek County, OK, Haskell County, OK, Hughes County, OK, McIntosh County, OK, Muskogee County, OK, Okfuskee County, OK, Okmulgee County, OK, Seminole County, OK, Sequoyah County, OK, Wagoner County, OK, Benton County, TN, Carroll County, TN, Cheatham County, TN, Crockett County, TN, Davidson County, TN, Decatur County, TN, Dickson County, TN, Dyer County, TN, Gibson County, TN, Haywood County, TN, Henderson County, TN, Henry County, TN, Hickman County, TN, Houston County, TN, Humphreys County, TN, Lake County, TN, Lauderdale County, TN, Lewis County, TN, Madison County, TN, Montgomery County, TN, Obion County, TN, Perry County, TN, Robertson County, TN, Stewart County, TN, Tipton County, TN, Weakley County, TN

The radar

The Little Rock radar (KLZK), 124 km from the middle of the area, began a volume at 01:11 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

Little Rock, AR (KLZK), launched 00:00Z, 1.2 hours before the alert went out and 200 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, Little Rock, AR at 00:00Z on 2008-06-14Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1331 joules per kilogram.LCLEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Little Rock, AR at 00:00Z on 2008-06-14The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 27 square meters per square second.193958Sfc1 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
1331 J/kg
Mixed-layer CIN
-3 J/kg
Mixed-layer LCL
1481 m above ground
0-6 km bulk shear
20 kt
0-1 km storm-relative helicity
27 m²/s²
0-3 km storm-relative helicity
92 m²/s²
Significant tornado parameter
0.2
Supercell composite
2.5

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
Jun 13, 10:37 PM CDTMesoscale DiscussionSPCCrawford, Franklin, Garland, Johnson, Logan, Montgomery and 5 more83 min
Jun 13, 10:54 PM CDTMesoscale DiscussionSPCConway, Crawford, Faulkner, Franklin, Garland, Grant and 11 more3 hr
Jun 13, 11:09 PM CDTMesoscale DiscussionSPCArkansas, Conway, Crittenden, Cross, Faulkner, Garland and 20 more96 min
Jun 13, 11:25 PM CDTSevere Thunderstorm WatchSPCArkansas, Cleburne, Conway, Crawford, Faulkner, Franklin and 21 more6 hr
Jun 14, 4:38 AM CDTMesoscale DiscussionSPCCalhoun, Columbia, Hempstead, Howard, Lafayette, Little River and 5 more67 min
Jun 14, 12:35 PM CDTMesoscale DiscussionSPCJo Daviess115 min
Jun 14, 1:11 PM CDTSevere Thunderstorm WatchSPCBureau, Carroll, Fulton, Henderson, Henry, Jo Daviess and 10 more8 hr
Jun 14, 5:17 PM CDTMesoscale DiscussionSPCBoone, Bureau, Carroll, Cook, DeKalb, DuPage and 24 more88 min
Jun 13, 7:16 PM CDTMesoscale DiscussionSPCAnderson, Bracken, Campbell, Franklin, Grant, Harrison and 9 more89 min
Jun 13, 10:48 PM CDTSevere Thunderstorm WatchSPCAtoka, Bryan, Caddo, Canadian, Carter, Choctaw and 33 more6 hr
Jun 14, 3:35 PM CDTMesoscale DiscussionSPCBeaver, Beckham, Ellis, Harmon, Roger Mills, Texas85 min
Jun 14, 6:45 PM CDTMesoscale DiscussionSPCBeckham, Greer, Harmon, Jackson, Kiowa, Roger Mills90 min

Nearby

Mesoscale Discussions in Arkansas, 2008Mesoscale Discussions in Tennessee, 2008Mesoscale Discussions in Kentucky, 2008Every mesoscale discussion in 2008

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.