Alert archive / Oklahoma / Severe Thunderstorm Watches in 2002
Severe Thunderstorm Watch 294
The Storm Prediction Center issued this severe thunderstorm watch at May 12, 2002, 7:00 PM CDT for 19 counties in Arkansas; 10 counties in Missouri; 21 counties in Oklahoma. It was in force for 5 hr.
The area
The outline as issued.
The facts
- Issued
- May 12, 2002, 7:00 PM CDT (00:00 UTC)
- Expired
- May 13, 2002, 12:00 AM CDT
- In force
- 5 hr
- Issued by
- the Storm Prediction Center
All 50 counties
Baxter County, AR, Benton County, AR, Boone County, AR, Carroll County, AR, Crawford County, AR, Franklin County, AR, Fulton County, AR, Johnson County, AR, Logan County, AR, Madison County, AR, Marion County, AR, Newton County, AR, Polk County, AR, Pope County, AR, Scott County, AR, Searcy County, AR, Sebastian County, AR, Washington County, AR, Yell County, AR, Barry County, MO, Carter County, MO, Christian County, MO, Douglas County, MO, Howell County, MO, Oregon County, MO, Ozark County, MO, Shannon County, MO, Stone County, MO, Taney County, MO, Adair County, OK, Atoka County, OK, Bryan County, OK, Carter County, OK, Cherokee County, OK, Choctaw County, OK, Coal County, OK, Haskell County, OK, Hughes County, OK, Johnston County, OK, Latimer County, OK, LeFlore County, OK, Love County, OK, Marshall County, OK, McCurtain County, OK, McIntosh County, OK, Muskogee County, OK, Pittsburg County, OK, Pontotoc County, OK, Pushmataha County, OK, Sequoyah County, OK
The radar
The Western Arkansas radar (KSRX), 46 km from the middle of the area, began a volume at 00:02 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
17 tornado, severe thunderstorm and flash flood warnings for its counties while it was in force.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 12, 7:03 PM CDT | Severe Thunderstorm Warning | TSA | Carroll | 57 min |
| May 12, 7:06 PM CDT | Severe Thunderstorm Warning | TSA | Pittsburg | 39 min |
| May 12, 7:18 PM CDT | Severe Thunderstorm Warning | TSA | Madison | 42 min |
| May 12, 7:28 PM CDT | Severe Thunderstorm Warning | SGF | Taney | 62 min |
| May 12, 7:36 PM CDT | Severe Thunderstorm Warning | TSA | Latimer | 54 min |
| May 12, 7:42 PM CDT | Severe Thunderstorm Warning | OUN | Johnston | 48 min |
| May 12, 7:54 PM CDT | Severe Thunderstorm Warning | LZK | Boone | 51 min |
| May 12, 8:00 PM CDT | Severe Thunderstorm Warning | TSA | LeFlore | 60 min |
| May 12, 8:08 PM CDT | Flash Flood Warning | SGF | Shannon | 4 hr |
| May 12, 8:11 PM CDT | Severe Thunderstorm Warning | SGF | Ozark | 64 min |
| May 12, 8:26 PM CDT | Severe Thunderstorm Warning | TSA | Crawford, Sebastian | 64 min |
| May 12, 8:55 PM CDT | Severe Thunderstorm Warning | LZK | Logan, Scott | 65 min |
| May 12, 9:28 PM CDT | Severe Thunderstorm Warning | LZK | Polk | 62 min |
| May 12, 9:35 PM CDT | Flash Flood Warning | SGF | Dent, Douglas, Howell, Ozark, Taney, Texas | 3 hr |
| May 12, 9:39 PM CDT | Severe Thunderstorm Warning | TSA | LeFlore | 21 min |
| May 12, 10:23 PM CDT | Severe Thunderstorm Warning | LZK | Yell | 42 min |
| May 12, 10:34 PM CDT | Severe Thunderstorm Warning | LZK | Pope | 41 min |
The nearest sounding before it
Norman, OK (KOUN), launched 00:00Z, 0.0 hours before the alert went out and 231 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
- 2 J/kg
- Mixed-layer CIN
- 0 J/kg
- Mixed-layer LCL
- 488 m above ground
- 0-6 km bulk shear
- 71 kt
- 0-1 km storm-relative helicity
- -21 m²/s²
- 0-3 km storm-relative helicity
- 140 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 8.5
SPC that day
Everything else SPC issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 12, 10:45 PM CDT | Severe Thunderstorm Watch | SPC | Clay, Cleburne, Conway, Craighead, Cross, Faulkner and 21 more | 4 hr |
| May 13, 1:00 AM CDT | Severe Thunderstorm Watch | SPC | Arkansas, Calhoun, Clay, Cleveland, Craighead, Crittenden and 19 more | 4 hr |
Nearby
Severe Thunderstorm Watches in Oklahoma, 2002Severe Thunderstorm Watches in Arkansas, 2002Severe Thunderstorm Watches in Missouri, 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.