Alert archive / Arkansas / Mesoscale Discussions in 2006

Mesoscale Discussion 388

April 1, 200639 counties in Arkansas; 14 counties in Oklahoma; Bowie County, Texas

The Storm Prediction Center issued this mesoscale discussion at Apr 1, 2006, 10:06 AM CST for 39 counties in Arkansas; 14 counties in Oklahoma; Bowie County, Texas. It was in force for 114 min.

The area

The outline as issued.

The facts

Issued
Apr 1, 2006, 10:06 AM CST (16:06 UTC)
Expired
Apr 1, 2006, 12:00 PM CST
In force
114 min
Issued by
the Storm Prediction Center
All 54 counties

Arkansas County, AR, Calhoun County, AR, Clark County, AR, Cleveland County, AR, Conway County, AR, Crawford County, AR, Dallas County, AR, Faulkner County, AR, Franklin County, AR, Garland County, AR, Grant County, AR, Hempstead County, AR, Hot Spring County, AR, Howard County, AR, Jefferson County, AR, Johnson County, AR, Lincoln County, AR, Little River County, AR, Logan County, AR, Lonoke County, AR, Miller County, AR, Monroe County, AR, Montgomery County, AR, Nevada County, AR, Ouachita County, AR, Perry County, AR, Pike County, AR, Polk County, AR, Pope County, AR, Prairie County, AR, Pulaski County, AR, Saline County, AR, Scott County, AR, Sebastian County, AR, Sevier County, AR, Van Buren County, AR, Washington County, AR, White County, AR, Yell County, AR, Adair County, OK, Cherokee County, OK, Choctaw County, OK, Haskell County, OK, Latimer County, OK, LeFlore County, OK, McCurtain County, OK, McIntosh County, OK, Muskogee County, OK, Okmulgee County, OK, Pittsburg County, OK, Pushmataha County, OK, Sequoyah County, OK, Wagoner County, OK, Bowie County, TX

The radar

The Western Arkansas radar (KSRX), 58 km from the middle of the area, began a volume at 16:06 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

Springfield, MO (KSGF), launched 12:00Z, 4.1 hours before the alert went out and 237 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, Springfield, MO at 12:00Z on 2006-04-01Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 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, Springfield, MO at 12:00Z on 2006-04-01The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 7 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
1921 m above ground
0-6 km bulk shear
39 kt
0-1 km storm-relative helicity
7 m²/s²
0-3 km storm-relative helicity
122 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.

IssuedProductOfficeCountiesLasted
Mar 31, 7:30 PM CSTMesoscale DiscussionSPCCrittenden, Cross, Desha, Lee, Mississippi, Phillips and 2 more90 min
Apr 1, 3:03 PM CSTSevere Thunderstorm WatchSPCArkansas, Bradley, Calhoun, Clark, Cleveland, Columbia and 29 more7 hr
Apr 1, 1:07 AM CSTMesoscale DiscussionSPCCarter, Coal, Comanche, Cotton, Garvin, Grady and 11 more2 hr
Apr 1, 12:12 PM CSTMesoscale DiscussionSPCBeaver, Beckham, Ellis, Greer, Harmon, Roger Mills and 1 more93 min
Apr 1, 2:01 PM CSTTornado WatchSPCBeaver, Beckham, Custer, Dewey, Ellis, Greer and 11 more8 hr
Apr 1, 4:08 PM CSTMesoscale DiscussionSPCBeaver, Beckham, Custer, Dewey, Ellis, Greer and 10 more2 hr
Apr 1, 5:37 PM CSTMesoscale DiscussionSPCAlfalfa, Blaine, Caddo, Canadian, Cleveland, Comanche and 19 more83 min
Mar 31, 10:21 PM CSTMesoscale DiscussionSPCArcher, Baylor, Borden, Crosby, Dickens, Garza and 6 more84 min
Apr 1, 2:21 PM CSTMesoscale DiscussionSPCBaylor, Callahan, Coke, Coleman, Crosby, Dickens and 16 more84 min

Nearby

Mesoscale Discussions in Arkansas, 2006Mesoscale Discussions in Oklahoma, 2006Mesoscale 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.