Alert archive / Arkansas / Mesoscale Discussions in 2005

Mesoscale Discussion 2423

November 15, 20054 states

The Storm Prediction Center issued this mesoscale discussion at Nov 15, 2005, 6:04 AM CST for 4 states. It was in force for 116 min.

The area

The outline as issued.

The facts

Issued
Nov 15, 2005, 6:04 AM CST (12:04 UTC)
Expired
Nov 15, 2005, 8:00 AM CST
In force
116 min
Issued by
the Storm Prediction Center
All 124 counties

Arkansas County, AR, Baxter County, AR, Benton County, AR, Boone County, AR, Bradley County, AR, Calhoun County, AR, Carroll County, AR, Clark County, AR, Clay County, AR, Cleburne County, AR, Cleveland County, AR, Columbia County, AR, Conway County, AR, Craighead County, AR, Crawford County, AR, Crittenden County, AR, Cross County, AR, Dallas County, AR, Drew County, AR, Faulkner County, AR, Franklin County, AR, Fulton County, AR, Garland County, AR, Grant County, AR, Greene County, AR, Hempstead County, AR, Hot Spring County, AR, Howard County, AR, Independence County, AR, Izard County, AR, Jackson County, AR, Jefferson County, AR, Johnson County, AR, Lafayette County, AR, Lawrence County, AR, Lee County, AR, Lincoln County, AR, Little River County, AR, Logan County, AR, Lonoke County, AR, Madison County, AR, Marion County, AR, Miller County, AR, Mississippi County, AR, Monroe County, AR, Montgomery County, AR, Nevada County, AR, Newton County, AR, Ouachita County, AR, Perry County, AR, Phillips County, AR, Pike County, AR, Poinsett County, AR, Polk County, AR, Pope County, AR, Prairie County, AR, Pulaski County, AR, Randolph County, AR, Saline County, AR, Scott County, AR, Searcy County, AR, Sebastian County, AR, Sevier County, AR, Sharp County, AR, St. Francis County, AR, Stone County, AR, Union County, AR, Van Buren County, AR, Washington County, AR, White County, AR, Woodruff County, AR, Yell County, AR, Barry County, MO, Bollinger County, MO, Butler County, MO, Cape Girardeau County, MO, Carter County, MO, Christian County, MO, Crawford County, MO, Dent County, MO, Douglas County, MO, Dunklin County, MO, Greene County, MO, Howell County, MO, Iron County, MO, Lawrence County, MO, Madison County, MO, McDonald County, MO, Newton County, MO, Oregon County, MO, Ozark County, MO, Perry County, MO, Reynolds County, MO, Ripley County, MO, Saint Francois County, MO, Sainte Genevieve County, MO, Shannon County, MO, Stoddard County, MO, Stone County, MO, Taney County, MO, Texas County, MO, Washington County, MO, Wayne County, MO, Webster County, MO, Wright County, MO, Adair County, OK, Choctaw County, OK, Haskell County, OK, Latimer County, OK, LeFlore County, OK, McCurtain County, OK, Pushmataha County, OK, Sequoyah County, OK, Bowie County, TX, Camp County, TX, Cass County, TX, Delta County, TX, Franklin County, TX, Hopkins County, TX, Hunt County, TX, Lamar County, TX, Morris County, TX, Red River County, TX, Titus County, TX

The radar

The Little Rock radar (KLZK), 50 km from the middle of the area, began a volume at 12:04 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 12:00Z, 0.1 hours before the alert went out and 248 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 12:00Z on 2005-11-15Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 699 joules per kilogram.LCLLFCEL10008507005003002001001 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 12:00Z on 2005-11-15The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 313 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
699 J/kg
Mixed-layer CIN
-16 J/kg
Mixed-layer LCL
594 m above ground
0-6 km bulk shear
45 kt
0-1 km storm-relative helicity
313 m²/s²
0-3 km storm-relative helicity
346 m²/s²
Significant tornado parameter
1.0
Supercell composite
4.7

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
Nov 14, 8:56 PM CSTMesoscale DiscussionSPCBaxter, Benton, Boone, Carroll, Clay, Cleburne and 28 more3 hr
Nov 14, 9:28 PM CSTTornado WatchSPCBaxter, Benton, Boone, Carroll, Cleburne, Conway and 19 more8 hr
Nov 14, 10:00 PM CSTTornado WatchSPCClay, Craighead, Greene, Lawrence, Mississippi, Poinsett and 1 more7 hr
Nov 15, 2:22 AM CSTMesoscale DiscussionSPCBaxter, Benton, Boone, Carroll, Clay, Cleburne and 28 more113 min
Nov 15, 7:02 AM CSTTornado WatchSPCBaxter, Benton, Boone, Carroll, Clark, Columbia and 29 more8 hr
Nov 15, 7:42 AM CSTTornado WatchSPCArkansas, Ashley, Bradley, Calhoun, Chicot, Clay and 34 more9 hr
Nov 15, 10:13 AM CSTMesoscale DiscussionSPCArkansas, Ashley, Baxter, Boone, Bradley, Calhoun and 67 more2 hr
Nov 15, 12:34 PM CSTMesoscale DiscussionSPCArkansas, Chicot, Clark, Clay, Cleburne, Cleveland and 30 more116 min
Nov 14, 11:08 PM CSTMesoscale DiscussionSPCBarton, Bates, Benton, Camden, Cedar, Dade and 12 more97 min
Nov 15, 2:57 AM CSTMesoscale DiscussionSPCBarton, Bates, Cass, Cedar, Dade, Henry and 3 more63 min
Nov 15, 7:47 AM CSTMesoscale DiscussionSPCAtchison, Holt, Nodaway4 hr
Nov 15, 8:31 AM CSTMesoscale DiscussionSPCBenton, Callaway, Camden, Cole, Crawford, Dallas and 19 more59 min
Nov 15, 10:13 AM CSTTornado WatchSPCCrawford, Franklin, Jefferson, Lincoln, Saint Charles, Sainte Genevieve and 5 more7 hr
Nov 15, 9:31 AM CSTMesoscale DiscussionSPCAnderson, Angelina, Austin, Brazos, Chambers, Cherokee and 34 more119 min

Nearby

Mesoscale Discussions in Arkansas, 2005Mesoscale Discussions in Missouri, 2005Mesoscale Discussions in Texas, 2005Every 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.