Alert archive / Arkansas / Severe Thunderstorm Warnings in 2020
Severe Thunderstorm Warning 178, NWS Little Rock, AR
NWS Little Rock, AR issued this severe thunderstorm warning at May 4, 2020, 1:09 PM CDT for Fulton County, Izard County, Sharp County, Arkansas. It was in force for 24 min. No storm report in the archive falls inside the area while it was in force.
The area
The counties it named.
The facts
- Issued
- May 4, 2020, 1:09 PM CDT (18:09 UTC)
- Expired
- May 4, 2020, 1:33 PM CDT
- In force
- 24 min
- Issued by
- NWS Little Rock, AR
- Area
- Storm-based polygon
- Hail
- 1.0 in
- Wind
- 60.0 mph
Counties Fulton County, AR, Izard County, AR, Sharp County, AR
The radar
The Little Rock radar (KLZK), 160 km from the middle of the area, began a volume at 18:12 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 watch it was issued in
The SPC watch in force over the same counties when this warning went out.
| Issued | Product | Office | Lasted |
|---|---|---|---|
| May 4, 12:35 PM CDT | Severe Thunderstorm Watch | SPC | 5 hr |
The nearest sounding before it
Springfield, MO (KSGF), launched 12:00Z, 6.2 hours before the alert went out and 199 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
- 988 m above ground
- 0-6 km bulk shear
- 48 kt
- 0-1 km storm-relative helicity
- 99 m²/s²
- 0-3 km storm-relative helicity
- 190 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 2.1
The office that day
Everything else NWS Little Rock, AR issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 4, 11:23 AM CDT | Special Weather Statement | LZK | Boone | 37 min |
| May 4, 11:31 AM CDT | Severe Thunderstorm Warning | LZK | Boone, Newton | 59 min |
| May 4, 11:49 AM CDT | Special Weather Statement | LZK | Boone, Marion | 41 min |
| May 4, 12:11 PM CDT | Special Weather Statement | LZK | Baxter | 49 min |
| May 4, 12:20 PM CDT | Severe Thunderstorm Warning | LZK | Newton, Searcy | 28 min |
| May 4, 12:34 PM CDT | Special Weather Statement | LZK | Baxter, Marion | 41 min |
| May 4, 12:43 PM CDT | Special Weather Statement | LZK | Fulton | 62 min |
| May 4, 12:47 PM CDT | Special Weather Statement | LZK | Searcy | 43 min |
| May 4, 12:59 PM CDT | Special Weather Statement | LZK | Stone | 46 min |
| May 4, 1:02 PM CDT | Special Weather Statement | LZK | Izard | 43 min |
| May 4, 1:11 PM CDT | Severe Thunderstorm Warning | LZK | Baxter, Izard, Stone | 25 min |
| May 4, 1:32 PM CDT | Special Weather Statement | LZK | Sharp | 43 min |
| May 4, 1:35 PM CDT | Special Weather Statement | LZK | Izard | 40 min |
| May 4, 1:43 PM CDT | Severe Thunderstorm Warning | LZK | Independence, Izard, Lawrence, Sharp, Stone | 47 min |
| May 4, 2:07 PM CDT | Special Weather Statement | LZK | Lawrence | 38 min |
| May 4, 2:10 PM CDT | Severe Thunderstorm Warning | LZK | Independence, Jackson, Lawrence, Sharp | 38 min |
Nearby
Severe Thunderstorm Warnings in Arkansas, 2020Every severe thunderstorm warning in 2020
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.