Alert archive / Arkansas / Mesoscale Discussions in 2013
Mesoscale Discussion 10
The Storm Prediction Center issued this mesoscale discussion at Jan 10, 2013, 5:40 PM CST for 6 states. It was in force for 2 hr.
The area
The outline as issued.
The facts
- Issued
- Jan 10, 2013, 5:40 PM CST (23:40 UTC)
- Expired
- Jan 10, 2013, 7:45 PM CST
- In force
- 2 hr
- Issued by
- the Storm Prediction Center
- Chance of a watch
- 20%
All 61 counties
Arkansas County, AR, Baxter County, AR, Clay County, AR, Cleburne County, AR, Craighead County, AR, Crittenden County, AR, Cross County, AR, Fulton County, AR, Greene County, AR, Independence County, AR, Izard County, AR, Jackson County, AR, Lawrence County, AR, Lee County, AR, Lonoke County, AR, Mississippi County, AR, Monroe County, AR, Phillips County, AR, Poinsett County, AR, Prairie County, AR, Randolph County, AR, Searcy County, AR, Sharp County, AR, St. Francis County, AR, Stone County, AR, Van Buren County, AR, White County, AR, Woodruff County, AR, Alexander County, IL, Pulaski County, IL, Ballard County, KY, Carlisle County, KY, Fulton County, KY, Hickman County, KY, Bollinger County, MO, Butler County, MO, Cape Girardeau County, MO, Carter County, MO, Dunklin County, MO, Howell County, MO, Madison County, MO, Mississippi County, MO, New Madrid County, MO, Oregon County, MO, Pemiscot County, MO, Reynolds County, MO, Ripley County, MO, Scott County, MO, Shannon County, MO, Stoddard County, MO, Wayne County, MO, Tunica County, MS, Crockett County, TN, Dyer County, TN, Gibson County, TN, Haywood County, TN, Lake County, TN, Lauderdale County, TN, Obion County, TN, Shelby County, TN, Tipton County, TN
The radar
The Memphis radar (KNQA), 80 km from the middle of the area, began a volume at 23:42 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
Little Rock, AR (KLZK), launched 12:00Z, 11.7 hours before the alert went out and 120 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.
- Mixed-layer CAPE
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 427 m above ground
- 0-6 km bulk shear
- 42 kt
- 0-1 km storm-relative helicity
- 340 m²/s²
- 0-3 km storm-relative helicity
- 281 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
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</html>SPC that day
Everything else SPC issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jan 10, 4:05 AM CST | Mesoscale Discussion | SPC | Adams, Wilkinson | 85 min |
| Jan 10, 4:31 AM CST | Tornado Watch | SPC | Adams, Amite, Franklin, Jefferson, Wilkinson | 6 hr |
| Jan 10, 5:47 AM CST | Mesoscale Discussion | SPC | Covington, Forrest, Hancock, Harrison, Jefferson Davis, Jones and 9 more | 58 min |
| Jan 10, 6:14 AM CST | Tornado Watch | SPC | Adams, Amite, Claiborne, Clarke, Copiah, Covington and 23 more | 11 hr |
| Jan 10, 7:36 AM CST | Mesoscale Discussion | SPC | Adams, Amite, Copiah, Covington, Franklin, Jefferson and 11 more | 84 min |
| Jan 10, 11:35 AM CST | Mesoscale Discussion | SPC | Forrest, George, Greene, Hancock, Harrison, Jackson and 6 more | 85 min |
Nearby
Mesoscale Discussions in Arkansas, 2013Mesoscale Discussions in Missouri, 2013Mesoscale Discussions in Tennessee, 2013Every mesoscale discussion in 2013
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.