Alert archive / Arkansas / Mesoscale Discussions in 2003

Mesoscale Discussion 1202

June 2, 20034 states

The Storm Prediction Center issued this mesoscale discussion at Jun 2, 2003, 12:30 PM CDT for 4 states. It was in force for 2 hr.

The area

The outline as issued.

The facts

Issued: Jun 2, 2003, 12:30 PM CDT (17:30 UTC)
Expired: Jun 2, 2003, 2:30 PM CDT
In force: 2 hr
Issued by: the Storm Prediction Center

All 28 counties

Arkansas County, AR, Cleveland County, AR, Crittenden County, AR, Cross County, AR, Desha County, AR, Jefferson County, AR, Lee County, AR, Lincoln County, AR, Mississippi County, AR, Monroe County, AR, Phillips County, AR, St. Francis County, AR, Dunklin County, MO, Pemiscot County, MO, Coahoma County, MS, DeSoto County, MS, Quitman County, MS, Tate County, MS, Tunica County, MS, Crockett County, TN, Dyer County, TN, Fayette County, TN, Gibson County, TN, Haywood County, TN, Lake County, TN, Lauderdale County, TN, Shelby County, TN, Tipton County, TN

The watches that followed

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

Severe Thunderstorm Watch 463Jun 2, 1:15 PM CDT

The nearest sounding before it

Little Rock, AR (KLZK), launched 12:00Z, 5.5 hours before the alert went out and 70 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: 0 J/kg
Mixed-layer CIN: No buoyant parcel
Mixed-layer LCL: 1115 m above ground
0-6 km bulk shear: 39 kt
0-1 km storm-relative helicity: 168 m²/s²
0-3 km storm-relative helicity: 220 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 1.0

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 2, 12:27 AM CDT	Mesoscale Discussion	SPC	Crawford, Franklin, Logan, Madison, Scott, Sebastian and 1 more	63 min
Jun 2, 12:45 AM CDT	Severe Thunderstorm Watch	SPC	Benton, Crawford, Franklin, Howard, Polk, Scott and 2 more	5 hr
Jun 2, 2:53 AM CDT	Mesoscale Discussion	SPC	Benton, Crawford, Franklin, Polk, Scott, Sebastian and 1 more	2 hr
Jun 2, 1:15 PM CDT	Severe Thunderstorm Watch	SPC	Arkansas, Ashley, Bradley, Calhoun, Chicot, Cleveland and 22 more	6 hr
Jun 2, 2:07 PM CDT	Mesoscale Discussion	SPC	Clark, Dallas, Garland, Grant, Hempstead, Hot Spring and 7 more	113 min
Jun 2, 3:25 PM CDT	Mesoscale Discussion	SPC	Crittenden, Desha, Lee, Phillips	2 hr
Jun 2, 4:58 PM CDT	Mesoscale Discussion	SPC	Chicot	2 hr
Jun 2, 5:46 PM CDT	Mesoscale Discussion	SPC	Ashley, Bradley, Calhoun, Chicot, Cleveland, Columbia and 5 more	119 min
Jun 2, 3:20 PM CDT	Severe Thunderstorm Watch	SPC	Adams, Attala, Claiborne, Copiah, Franklin, Hinds and 13 more	6 hr
Jun 2, 4:55 PM CDT	Tornado Watch	SPC	Benton, Calhoun, Carroll, Chickasaw, Choctaw, Clay and 20 more	5 hr

Nearby

Mesoscale Discussions in Arkansas, 2003 Mesoscale Discussions in Tennessee, 2003 Mesoscale Discussions in Mississippi, 2003 Every mesoscale discussion in 2003

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.