Alert archive / Arkansas / Severe Thunderstorm Warnings in 1998
Severe Thunderstorm Warning 149, NWS Little Rock, AR
NWS Little Rock, AR issued this severe thunderstorm warning at Apr 27, 1998, 1:30 AM CDT for Grant County, Saline County, Arkansas. It was in force for 65 min. 2 reports came from inside the area while it was in force.
The area
The counties it named, with what was reported inside it.
The facts
- Issued
- Apr 27, 1998, 1:30 AM CDT (06:30 UTC)
- Expired
- Apr 27, 1998, 2:35 AM CDT
- In force
- 65 min
- Issued by
- NWS Little Rock, AR
- Area
- Whole counties
Counties Grant County, AR, Saline County, AR
The radar
The Little Rock radar (KLZK), 49 km from the middle of the area, began a volume at 06:34 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.
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Apr 27, 1:30 AM CDT | Tornado F1 | Haskell, AR | The tornado first touched down about 4 miles west of Haskell and travelled northeast. Downed trees and power lines were the first damage noted. The tornado then passed across the intersection of Interstate 30 and U.S. Highway 70. At this location, a weather |
| Apr 27, 2:00 AM CDT | Thunderstorm Wind 50 | Ico, AR | Thunderstorm winds knocked down some trees. |
NCEI Storm Data entries that began inside the alert's area while it was in force. Before 2003 the local storm report archive is thin, so this is the record of what happened rather than what was phoned in.
The nearest sounding before it
Springfield, MO (KSGF), launched 00:00Z, 6.5 hours before the alert went out and 293 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
- 939 m above ground
- 0-6 km bulk shear
- 36 kt
- 0-1 km storm-relative helicity
- 42 m²/s²
- 0-3 km storm-relative helicity
- 226 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
The text of this product is not in the archive. The NWS text archive before 2002 is incomplete.
The office that day
Everything else NWS Little Rock, AR issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Apr 27, 12:23 AM CDT | Severe Thunderstorm Warning | LZK | Clark, Hot Spring | 47 min |
| Apr 27, 12:31 AM CDT | Severe Thunderstorm Warning | LZK | White | 49 min |
| Apr 27, 1:12 AM CDT | Severe Thunderstorm Warning | LZK | Dallas, Hot Spring | 63 min |
| Apr 27, 1:50 AM CDT | Severe Thunderstorm Warning | LZK | Pulaski | 50 min |
| Apr 27, 2:17 AM CDT | Severe Thunderstorm Warning | LZK | Jefferson, Lonoke | 48 min |
| Apr 27, 2:53 AM CDT | Severe Thunderstorm Warning | LZK | Arkansas, Lincoln | 62 min |
Nearby
Severe Thunderstorm Warnings in Arkansas, 1998Every severe thunderstorm warning in 1998
Sources
The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; verification from NCEI's Storm Data; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.