Alert archive / Arkansas / Severe Thunderstorm Watches in 2002
Severe Thunderstorm Watch 27
The Storm Prediction Center issued this severe thunderstorm watch at Mar 15, 2002, 3:30 PM CST for 22 counties in Arkansas. It was in force for 6 hr.
The area
The outline as issued.
The facts
- Issued
- Mar 15, 2002, 3:30 PM CST (21:30 UTC)
- Expired
- Mar 15, 2002, 9:00 PM CST
- In force
- 6 hr
- Issued by
- the Storm Prediction Center
All 22 counties
Bradley County, AR, Calhoun County, AR, Clark County, AR, Cleveland County, AR, Columbia County, AR, Dallas County, AR, Garland County, AR, Grant County, AR, Hempstead County, AR, Hot Spring County, AR, Jefferson County, AR, Lafayette County, AR, Lonoke County, AR, Miller County, AR, Nevada County, AR, Ouachita County, AR, Perry County, AR, Pike County, AR, Prairie County, AR, Pulaski County, AR, Saline County, AR, Union County, AR
The radar
The Little Rock radar (KLZK), 130 km from the middle of the area, began a volume at 21:31 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 |
|---|---|---|---|---|
| Mar 15, 3:37 PM CST | Severe Thunderstorm Warning | LZK | Garland, Montgomery | 43 min |
| Mar 15, 4:17 PM CST | Severe Thunderstorm Warning | LZK | Garland | 28 min |
| Mar 15, 4:43 PM CST | Severe Thunderstorm Warning | LZK | Saline | 47 min |
| Mar 15, 5:11 PM CST | Severe Thunderstorm Warning | LZK | Pulaski | 49 min |
The nearest sounding before it
Shreveport, LA (KSHV), launched 12:00Z, 9.5 hours before the alert went out and 168 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
- 788 J/kg
- Mixed-layer CIN
- -150 J/kg
- Mixed-layer LCL
- 524 m above ground
- 0-6 km bulk shear
- 33 kt
- 0-1 km storm-relative helicity
- 255 m²/s²
- 0-3 km storm-relative helicity
- 364 m²/s²
- Significant tornado parameter
- 0.2
- Supercell composite
- 1.5
SPC that day
Everything else SPC issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Mar 15, 1:15 PM CST | Severe Thunderstorm Watch | SPC | Baxter, Boone, Cleburne, Conway, Crawford, Franklin and 17 more | 5 hr |
| Mar 15, 5:30 PM CST | Severe Thunderstorm Watch | SPC | Clay, Cleburne, Conway, Craighead, Crittenden, Cross and 16 more | 5 hr |
Nearby
Severe Thunderstorm Watches in Arkansas, 2002Every severe thunderstorm watch in 2002
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.