Alert archive / Arkansas / Severe Thunderstorm Watches in 1998
Severe Thunderstorm Watch 563
The Storm Prediction Center issued this severe thunderstorm watch at Jun 13, 1998, 1:30 AM CDT for 33 counties in Arkansas. It was in force for 7 hr.
The area
The outline as issued.
The facts
- Issued
- Jun 13, 1998, 1:30 AM CDT (06:30 UTC)
- Expired
- Jun 13, 1998, 8:00 AM CDT
- In force
- 7 hr
- Issued by
- the Storm Prediction Center
All 33 counties
Arkansas County, AR, Bradley County, AR, Calhoun County, AR, Clark County, AR, Cleveland County, AR, Dallas County, AR, Desha County, AR, Drew County, AR, Faulkner County, AR, Garland County, AR, Grant County, AR, Hempstead County, AR, Hot Spring County, AR, Howard County, AR, Jefferson County, AR, Lincoln County, AR, Little River County, AR, Logan County, AR, Lonoke County, AR, Monroe County, AR, Montgomery County, AR, Nevada County, AR, Ouachita County, AR, Perry County, AR, Pike County, AR, Polk County, AR, Prairie County, AR, Pulaski County, AR, Saline County, AR, Scott County, AR, Sebastian County, AR, Sevier County, AR, Yell County, AR
The radar
The Little Rock radar (KLZK), 77 km from the middle of the area, began a volume at 06:32 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
4 tornado, severe thunderstorm and flash flood warnings for its counties while it was in force.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 13, 1:32 AM CDT | Severe Thunderstorm Warning | LZK | Hot Spring | 48 min |
| Jun 13, 2:01 AM CDT | Flash Flood Warning | LZK | Montgomery | 3 hr |
| Jun 13, 2:57 AM CDT | Severe Thunderstorm Warning | LZK | Montgomery | 48 min |
| Jun 13, 4:40 AM CDT | Flash Flood Warning | LZK | Hot Spring | 3 hr |
The nearest sounding before it
Shreveport, LA (KSHV), launched 00:00Z, 6.5 hours before the alert went out and 238 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
- 3210 J/kg
- Mixed-layer CIN
- -4 J/kg
- Mixed-layer LCL
- 1581 m above ground
- 0-6 km bulk shear
- 32 kt
- 0-1 km storm-relative helicity
- 45 m²/s²
- 0-3 km storm-relative helicity
- 117 m²/s²
- Significant tornado parameter
- 0.4
- Supercell composite
- 6.0
The text
The text of this product is not in the archive. The NWS text archive before 2002 is incomplete.
Nearby
Severe Thunderstorm Watches in Arkansas, 1998Every severe thunderstorm 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.