Alert archive / Arkansas / Severe Thunderstorm Watches in 2003
Severe Thunderstorm Watch 845
The Storm Prediction Center issued this severe thunderstorm watch at Aug 6, 2003, 1:50 PM CDT for 33 counties in Arkansas. It was in force for 5 hr.
The area
The outline as issued.
The facts
- Issued
- Aug 6, 2003, 1:50 PM CDT (18:50 UTC)
- Expired
- Aug 6, 2003, 7:00 PM CDT
- In force
- 5 hr
- Issued by
- the Storm Prediction Center
All 33 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, Conway County, AR, Dallas County, AR, Desha County, AR, Drew County, AR, Faulkner County, AR, Garland County, AR, Grant County, AR, Hot Spring County, AR, Jackson County, AR, Jefferson County, AR, Lincoln County, AR, Lonoke County, AR, Monroe County, AR, Nevada County, AR, Ouachita County, AR, Perry County, AR, Pope County, AR, Prairie County, AR, Pulaski County, AR, Saline County, AR, Union County, AR, Van Buren County, AR, White County, AR, Woodruff County, AR
The radar
The Little Rock radar (KLZK), 37 km from the middle of the area, began a volume at 18:51 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
8 tornado, severe thunderstorm and flash flood warnings for its counties while it was in force.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 6, 2:48 PM CDT | Severe Thunderstorm Warning | LZK | Lonoke | 52 min |
| Aug 6, 4:02 PM CDT | Severe Thunderstorm Warning | LZK | Grant | 43 min |
| Aug 6, 4:26 PM CDT | Severe Thunderstorm Warning | LZK | Hot Spring | 34 min |
| Aug 6, 4:43 PM CDT | Severe Thunderstorm Warning | LZK | White | 47 min |
| Aug 6, 4:52 PM CDT | Severe Thunderstorm Warning | LZK | Dallas, Grant | 33 min |
| Aug 6, 5:00 PM CDT | Severe Thunderstorm Warning | LZK | Clark | 45 min |
| Aug 6, 5:43 PM CDT | Flash Flood Warning | LZK | Drew | 2 hr |
| Aug 6, 6:44 PM CDT | Flash Flood Warning | LZK | Bradley | 2 hr |
Discussions around it
SPC mesoscale discussions over the same counties from four hours before the watch to its end.
The nearest sounding before it
Little Rock, AR (KLZK), launched 12:00Z, 6.8 hours before the alert went out and 187 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
- 1204 J/kg
- Mixed-layer CIN
- -124 J/kg
- Mixed-layer LCL
- 1200 m above ground
- 0-6 km bulk shear
- 29 kt
- 0-1 km storm-relative helicity
- 112 m²/s²
- 0-3 km storm-relative helicity
- 96 m²/s²
- Significant tornado parameter
- 0.2
- Supercell composite
- 6.1
SPC that day
Everything else SPC issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 6, 12:36 PM CDT | Mesoscale Discussion | SPC | Arkansas, Ashley, Bradley, Chicot, Cleburne, Cleveland and 27 more | 114 min |
| Aug 6, 2:27 PM CDT | Mesoscale Discussion | SPC | Craighead, Crittenden, Cross, Greene, Lee, Mississippi and 3 more | 2 hr |
| Aug 6, 5:37 PM CDT | Mesoscale Discussion | SPC | Arkansas, Ashley, Bradley, Calhoun, Chicot, Clark and 27 more | 83 min |
Nearby
Severe Thunderstorm Watches in Arkansas, 2003Every severe thunderstorm watch in 2003
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.