Alert archive / Oklahoma / Severe Thunderstorm Watches in 2004
Severe Thunderstorm Watch 268
The Storm Prediction Center issued this severe thunderstorm watch at May 23, 2004, 7:35 PM CDT for Washington County, Arkansas; 18 counties in Oklahoma. It was in force for 5 hr.
The area
The outline as issued.
The facts
- Issued
- May 23, 2004, 7:35 PM CDT (00:35 UTC)
- Expired
- May 24, 2004, 1:00 AM CDT
- In force
- 5 hr
- Issued by
- the Storm Prediction Center
Counties Washington County, AR, Adair County, OK, Cherokee County, OK, Craig County, OK, Creek County, OK, Delaware County, OK, Hughes County, OK, Lincoln County, OK, Mayes County, OK, McIntosh County, OK, Muskogee County, OK, Okfuskee County, OK, Okmulgee County, OK, Ottawa County, OK, Payne County, OK, Rogers County, OK, Seminole County, OK, Tulsa County, OK, Wagoner County, OK
The radar
The Tulsa radar (KINX), 46 km from the middle of the area, began a volume at 00:37 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
10 tornado, severe thunderstorm and flash flood warnings for its counties while it was in force.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 23, 7:42 PM CDT | Severe Thunderstorm Warning | OUN | Lincoln | 38 min |
| May 23, 7:43 PM CDT | Severe Thunderstorm Warning | TSA | Tulsa | 47 min |
| May 23, 8:10 PM CDT | Severe Thunderstorm Warning | TSA | Creek | 50 min |
| May 23, 8:50 PM CDT | Severe Thunderstorm Warning | OUN | Payne | 30 min |
| May 23, 9:31 PM CDT | Severe Thunderstorm Warning | TSA | Creek | 89 min |
| May 23, 9:43 PM CDT | Severe Thunderstorm Warning | TSA | Ottawa | 77 min |
| May 23, 10:01 PM CDT | Severe Thunderstorm Warning | OUN | Lincoln, Payne | 44 min |
| May 23, 10:21 PM CDT | Flash Flood Warning | TSA | Creek | 4 hr |
| May 23, 10:42 PM CDT | Severe Thunderstorm Warning | OUN | Lincoln | 38 min |
| May 23, 10:57 PM CDT | Severe Thunderstorm Warning | TSA | Creek | 78 min |
Discussions around it
SPC mesoscale discussions over the same counties from four hours before the watch to its end.
The nearest sounding before it
Norman, OK (KOUN), launched 00:00Z, 0.6 hours before the alert went out and 151 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
- 1519 J/kg
- Mixed-layer CIN
- -3 J/kg
- Mixed-layer LCL
- 2254 m above ground
- 0-6 km bulk shear
- 50 kt
- 0-1 km storm-relative helicity
- 33 m²/s²
- 0-3 km storm-relative helicity
- 55 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 1.1
SPC that day
Everything else SPC issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 23, 9:54 PM CDT | Mesoscale Discussion | SPC | Benton, Boone, Carroll, Madison | 96 min |
| May 24, 1:54 PM CDT | Mesoscale Discussion | SPC | Clay, Greene, Randolph | 96 min |
| May 24, 3:32 PM CDT | Mesoscale Discussion | SPC | Beckham, Blaine, Caddo, Canadian, Custer, Dewey and 10 more | 118 min |
| May 24, 3:57 PM CDT | Mesoscale Discussion | SPC | Grant, Kay, Noble | 93 min |
| May 24, 4:00 PM CDT | Severe Thunderstorm Watch | SPC | Alfalfa, Beckham, Blaine, Caddo, Canadian, Comanche and 19 more | 5 hr |
| May 24, 6:03 PM CDT | Mesoscale Discussion | SPC | Alfalfa, Blaine, Caddo, Canadian, Cleveland, Comanche and 20 more | 87 min |
Nearby
Severe Thunderstorm Watches in Oklahoma, 2004Severe Thunderstorm Watches in Arkansas, 2004Every severe thunderstorm watch in 2004
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.