Alert archive / Arkansas / Severe Thunderstorm Watches in 2002
Severe Thunderstorm Watch 308
The Storm Prediction Center issued this severe thunderstorm watch at May 17, 2002, 2:00 AM CDT for 27 counties in Arkansas; 10 counties in Oklahoma. It was in force for 5 hr.
The area
The outline as issued.
The facts
- Issued
- May 17, 2002, 2:00 AM CDT (07:00 UTC)
- Expired
- May 17, 2002, 7:00 AM CDT
- In force
- 5 hr
- Issued by
- the Storm Prediction Center
All 37 counties
Baxter County, AR, Benton County, AR, Boone County, AR, Carroll County, AR, Cleburne County, AR, Conway County, AR, Crawford County, AR, Faulkner County, AR, Franklin County, AR, Fulton County, AR, Independence County, AR, Izard County, AR, Jackson County, AR, Johnson County, AR, Logan County, AR, Madison County, AR, Marion County, AR, Newton County, AR, Pope County, AR, Searcy County, AR, Sebastian County, AR, Sharp County, AR, Stone County, AR, Van Buren County, AR, Washington County, AR, White County, AR, Woodruff County, AR, Adair County, OK, Cherokee County, OK, Delaware County, OK, Haskell County, OK, Mayes County, OK, McIntosh County, OK, Muskogee County, OK, Rogers County, OK, Sequoyah County, OK, Wagoner County, OK
The radar
The Western Arkansas radar (KSRX), 52 km from the middle of the area, began a volume at 07:04 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
12 tornado, severe thunderstorm and flash flood warnings for its counties while it was in force.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 17, 2:21 AM CDT | Flash Flood Warning | TSA | Wagoner | 3 hr |
| May 17, 2:38 AM CDT | Severe Thunderstorm Warning | TSA | Muskogee, Wagoner | 67 min |
| May 17, 3:03 AM CDT | Severe Thunderstorm Warning | TSA | Cherokee | 57 min |
| May 17, 3:15 AM CDT | Flash Flood Warning | TSA | Cherokee, Creek, Delaware, Mayes, Muskogee, Okmulgee and 2 more | 3 hr |
| May 17, 4:05 AM CDT | Severe Thunderstorm Warning | TSA | McIntosh | 40 min |
| May 17, 4:39 AM CDT | Severe Thunderstorm Warning | TSA | Haskell, Muskogee, Pittsburg | 51 min |
| May 17, 4:46 AM CDT | Flash Flood Warning | TSA | Benton | 3 hr |
| May 17, 5:01 AM CDT | Severe Thunderstorm Warning | TSA | Sequoyah | 44 min |
| May 17, 5:41 AM CDT | Severe Thunderstorm Warning | TSA | Crawford, Sebastian | 49 min |
| May 17, 5:58 AM CDT | Flash Flood Warning | LZK | Izard, Sharp | 3 hr |
| May 17, 6:02 AM CDT | Severe Thunderstorm Warning | LZK | Logan, Polk, Scott | 63 min |
| May 17, 6:10 AM CDT | Flash Flood Warning | TSA | Benton | 6 hr |
The nearest sounding before it
Springfield, MO (KSGF), launched 00:00Z, 7.0 hours before the alert went out and 141 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
- 1170 J/kg
- Mixed-layer CIN
- -29 J/kg
- Mixed-layer LCL
- 560 m above ground
- 0-6 km bulk shear
- 41 kt
- 0-1 km storm-relative helicity
- 166 m²/s²
- 0-3 km storm-relative helicity
- 235 m²/s²
- Significant tornado parameter
- 1.5
- Supercell composite
- 9.0
SPC that day
Everything else SPC issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 17, 5:00 AM CDT | Severe Thunderstorm Watch | SPC | Columbia, Hempstead, Lafayette, Little River, Miller, Nevada | 5 hr |
| May 17, 6:30 AM CDT | Severe Thunderstorm Watch | SPC | Baxter, Boone, Carroll, Clark, Cleburne, Conway and 36 more | 4 hr |
| May 16, 10:00 PM CDT | Severe Thunderstorm Watch | SPC | Alfalfa, Beckham, Blaine, Caddo, Canadian, Cleveland and 32 more | 6 hr |
| May 17, 2:30 AM CDT | Severe Thunderstorm Watch | SPC | Adair, Atoka, Blaine, Caddo, Canadian, Carter and 36 more | 5 hr |
Nearby
Severe Thunderstorm Watches in Arkansas, 2002Severe Thunderstorm Watches in Oklahoma, 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.