Alert archive / Oklahoma / Severe Thunderstorm Watches in 2002
Severe Thunderstorm Watch 506
The Storm Prediction Center issued this severe thunderstorm watch at Jul 12, 2002, 12:00 PM CDT for 10 counties in Arkansas; Barry County, Stone County, Missouri; 36 counties in Oklahoma. It was in force for 5 hr.
The area
The outline as issued.
The facts
- Issued
- Jul 12, 2002, 12:00 PM CDT (17:00 UTC)
- Expired
- Jul 12, 2002, 5:00 PM CDT
- In force
- 5 hr
- Issued by
- the Storm Prediction Center
All 48 counties
Benton County, AR, Carroll County, AR, Crawford County, AR, Franklin County, AR, Johnson County, AR, Logan County, AR, Madison County, AR, Newton County, AR, Sebastian County, AR, Washington County, AR, Barry County, MO, Stone County, MO, Adair County, OK, Caddo County, OK, Canadian County, OK, Carter County, OK, Cherokee County, OK, Cleveland County, OK, Coal County, OK, Comanche County, OK, Cotton County, OK, Creek County, OK, Delaware County, OK, Garvin County, OK, Grady County, OK, Haskell County, OK, Hughes County, OK, Jefferson County, OK, Johnston County, OK, Latimer County, OK, LeFlore County, OK, Lincoln County, OK, Mayes County, OK, McClain County, OK, McIntosh County, OK, Murray County, OK, Muskogee County, OK, Okfuskee County, OK, Oklahoma County, OK, Okmulgee County, OK, Pittsburg County, OK, Pontotoc County, OK, Pottawatomie County, OK, Seminole County, OK, Sequoyah County, OK, Stephens County, OK, Tulsa County, OK, Wagoner County, OK
The radar
The Norman radar (KTLX), 80 km from the middle of the area, began a volume at 17:01 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
9 tornado, severe thunderstorm and flash flood warnings for its counties while it was in force.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 12, 12:11 PM CDT | Severe Thunderstorm Warning | TSA | Muskogee, Okmulgee, Tulsa, Wagoner | 49 min |
| Jul 12, 12:57 PM CDT | Severe Thunderstorm Warning | TSA | Wagoner | 48 min |
| Jul 12, 1:02 PM CDT | Severe Thunderstorm Warning | TSA | Cherokee | 58 min |
| Jul 12, 1:14 PM CDT | Severe Thunderstorm Warning | TSA | Okfuskee | 46 min |
| Jul 12, 1:57 PM CDT | Severe Thunderstorm Warning | TSA | Adair, Cherokee, Sequoyah | 63 min |
| Jul 12, 2:11 PM CDT | Severe Thunderstorm Warning | TSA | Delaware | 49 min |
| Jul 12, 3:03 PM CDT | Severe Thunderstorm Warning | TSA | Madison, Washington | 57 min |
| Jul 12, 3:56 PM CDT | Severe Thunderstorm Warning | LZK | Logan, Yell | 34 min |
| Jul 12, 3:57 PM CDT | Severe Thunderstorm Warning | LZK | Logan, Yell | 33 min |
The nearest sounding before it
Norman, OK (KOUN), launched 12:00Z, 5.0 hours before the alert went out and 92 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
- 2786 J/kg
- Mixed-layer CIN
- -19 J/kg
- Mixed-layer LCL
- 707 m above ground
- 0-6 km bulk shear
- 13 kt
- 0-1 km storm-relative helicity
- -12 m²/s²
- 0-3 km storm-relative helicity
- 26 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
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.