Alert archive / Arkansas / Mesoscale Discussions in 2025
Mesoscale Discussion 98
The Storm Prediction Center issued this mesoscale discussion at Feb 15, 2025, 1:06 PM CST for 4 states. It was in force for 3 hr.
The area
The outline as issued.
The facts
- Issued
- Feb 15, 2025, 1:06 PM CST (19:06 UTC)
- Expired
- Feb 15, 2025, 4:00 PM CST
- In force
- 3 hr
- Issued by
- the Storm Prediction Center
- Concerning
- Severe potential...watch likely
- Chance of a watch
- 80%
All 31 counties
Arkansas County, AR, Bradley County, AR, Calhoun County, AR, Cleveland County, AR, Columbia County, AR, Crittenden County, AR, Desha County, AR, Drew County, AR, Jefferson County, AR, Lee County, AR, Lincoln County, AR, Monroe County, AR, Ouachita County, AR, Phillips County, AR, St. Francis County, AR, Union County, AR, Bienville Parish, LA, Bossier Parish, LA, Claiborne Parish, LA, De Soto Parish, LA, Lincoln Parish, LA, Red River Parish, LA, Union Parish, LA, Webster Parish, LA, Coahoma County, MS, DeSoto County, MS, Tate County, MS, Tunica County, MS, Fayette County, TN, Haywood County, TN, Shelby County, TN
The radar
The Little Rock radar (KLZK), 114 km from the middle of the area, began a volume at 19:06 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 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, 7.1 hours before the alert went out and 187 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
- 1 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 395 m above ground
- 0-6 km bulk shear
- 75 kt
- 0-1 km storm-relative helicity
- 461 m²/s²
- 0-3 km storm-relative helicity
- 461 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 1.1
The text
As transmitted.
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</html>SPC that day
Everything else SPC issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Feb 15, 4:00 PM CST | Tornado Watch | SPC | Arkansas, Ashley, Bradley, Calhoun, Chicot, Cleveland and 15 more | 7 hr |
| Feb 15, 5:49 PM CST | Mesoscale Discussion | SPC | Caldwell, Catahoula, East Carroll, Franklin, LaSalle, Madison and 3 more | 86 min |
Nearby
Mesoscale Discussions in Arkansas, 2025Mesoscale Discussions in Louisiana, 2025Mesoscale Discussions in Mississippi, 2025Every mesoscale discussion in 2025
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.