Alert archive / Arkansas / Tornado Watches in 1998
Tornado Watch 189
The Storm Prediction Center issued this tornado watch at Apr 8, 1998, 4:45 PM CDT for 35 counties in Arkansas. It was in force for 6 hr.
The area
The outline as issued.
The facts
- Issued
- Apr 8, 1998, 4:45 PM CDT (21:45 UTC)
- Expired
- Apr 8, 1998, 11:00 PM CDT
- In force
- 6 hr
- Issued by
- the Storm Prediction Center
All 35 counties
Arkansas County, AR, Ashley County, AR, Bradley County, AR, Calhoun County, AR, Chicot County, AR, Clark County, AR, Cleburne County, AR, Cleveland County, AR, Columbia County, AR, Crittenden County, AR, Cross County, AR, Dallas County, AR, Desha County, AR, Drew County, AR, Faulkner County, AR, Grant County, AR, Hot Spring County, AR, Jackson County, AR, Jefferson County, AR, Lafayette County, AR, Lee County, AR, Lincoln County, AR, Lonoke County, AR, Monroe County, AR, Nevada County, AR, Ouachita County, AR, Phillips County, AR, Poinsett County, AR, Prairie County, AR, Pulaski County, AR, Saline County, AR, St. Francis County, AR, Union County, AR, White County, AR, Woodruff County, AR
The radar
The Little Rock radar (KLZK), 83 km from the middle of the area, began a volume at 21:49 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.
Warnings issued inside it
10 tornado, severe thunderstorm and flash flood warnings for its counties while it was in force.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Apr 8, 5:03 PM CDT | Severe Thunderstorm Warning | LZK | Woodruff | 47 min |
| Apr 8, 5:08 PM CDT | Severe Thunderstorm Warning | LZK | Monroe | 52 min |
| Apr 8, 5:13 PM CDT | Severe Thunderstorm Warning | MEG | Cross | 47 min |
| Apr 8, 5:25 PM CDT | Severe Thunderstorm Warning | MEG | St. Francis | 50 min |
| Apr 8, 6:04 PM CDT | Severe Thunderstorm Warning | MEG | Crittenden | 51 min |
| Apr 8, 6:08 PM CDT | Severe Thunderstorm Warning | LZK | Monroe | 32 min |
| Apr 8, 6:21 PM CDT | Severe Thunderstorm Warning | MEG | Lee | 49 min |
| Apr 8, 6:24 PM CDT | Tornado Warning | MEG | Crittenden | 21 min |
| Apr 8, 7:01 PM CDT | Severe Thunderstorm Warning | MEG | Crittenden | 34 min |
| Apr 8, 7:02 PM CDT | Severe Thunderstorm Warning | LZK | Arkansas | 43 min |
The nearest sounding before it
Little Rock, AR (KLZK), launched 12:00Z, 9.8 hours before the alert went out and 222 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
- 2519 m above ground
- 0-6 km bulk shear
- 87 kt
- 0-1 km storm-relative helicity
- 170 m²/s²
- 0-3 km storm-relative helicity
- 224 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.
SPC that day
Everything else SPC issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Apr 8, 12:00 AM CDT | Severe Thunderstorm Watch | SPC | Columbia, Lafayette, Miller, Nevada, Ouachita | 6 hr |
| Apr 8, 5:00 AM CDT | Severe Thunderstorm Watch | SPC | Bradley, Calhoun, Columbia, Lafayette, Miller, Union | 6 hr |
| Apr 8, 7:45 AM CDT | Tornado Watch | SPC | Arkansas, Ashley, Bradley, Chicot, Crittenden, Desha and 6 more | 6 hr |
Nearby
Tornado Watches in Arkansas, 1998Every tornado watch 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.