Alert archive / Oklahoma / Severe Thunderstorm Watches in 2003
Severe Thunderstorm Watch 36
The Storm Prediction Center issued this severe thunderstorm watch at Mar 12, 2003, 8:55 PM CST for 33 counties in Oklahoma. It was in force for 5 hr.
The area
The outline as issued.
The facts
- Issued
- Mar 12, 2003, 8:55 PM CST (02:55 UTC)
- Expired
- Mar 13, 2003, 2:00 AM CST
- In force
- 5 hr
- Issued by
- the Storm Prediction Center
All 33 counties
Adair County, OK, Blaine County, OK, Caddo County, OK, Canadian County, OK, Cherokee County, OK, Cleveland County, OK, Creek County, OK, Custer County, OK, Delaware County, OK, Dewey County, OK, Grady County, OK, Haskell County, OK, Hughes County, OK, Kingfisher County, OK, Kiowa County, OK, Lincoln County, OK, Logan County, OK, Mayes County, OK, McClain County, OK, McIntosh County, OK, Muskogee County, OK, Okfuskee County, OK, Oklahoma County, OK, Okmulgee County, OK, Pawnee County, OK, Payne County, OK, Pottawatomie County, OK, Rogers County, OK, Seminole County, OK, Sequoyah County, OK, Tulsa County, OK, Wagoner County, OK, Washita County, OK
The radar
The Norman radar (KTLX), 43 km from the middle of the area, began a volume at 02:56 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
15 tornado, severe thunderstorm and flash flood warnings for its counties while it was in force.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Mar 12, 9:03 PM CST | Severe Thunderstorm Warning | OUN | Lincoln, Oklahoma | 42 min |
| Mar 12, 9:09 PM CST | Severe Thunderstorm Warning | OUN | Canadian | 36 min |
| Mar 12, 9:27 PM CST | Severe Thunderstorm Warning | OUN | Caddo, Grady | 63 min |
| Mar 12, 9:40 PM CST | Severe Thunderstorm Warning | OUN | Canadian, Cleveland, Lincoln, Oklahoma, Pottawatomie | 50 min |
| Mar 12, 10:00 PM CST | Severe Thunderstorm Warning | TSA | Creek | 60 min |
| Mar 12, 10:07 PM CST | Severe Thunderstorm Warning | OUN | McClain | 23 min |
| Mar 12, 10:31 PM CST | Severe Thunderstorm Warning | OUN | Cleveland, Oklahoma, Pottawatomie | 44 min |
| Mar 12, 10:50 PM CST | Severe Thunderstorm Warning | OUN | Caddo, Grady, McClain | 55 min |
| Mar 12, 10:56 PM CST | Severe Thunderstorm Warning | OUN | Seminole | 64 min |
| Mar 12, 11:13 PM CST | Severe Thunderstorm Warning | OUN | Cleveland, Pottawatomie | 47 min |
| Mar 12, 11:23 PM CST | Severe Thunderstorm Warning | TSA | Okfuskee | 52 min |
| Mar 12, 11:45 PM CST | Severe Thunderstorm Warning | OUN | Hughes, Pontotoc, Seminole | 60 min |
| Mar 12, 11:58 PM CST | Severe Thunderstorm Warning | TSA | McIntosh | 47 min |
| Mar 13, 12:57 AM CST | Severe Thunderstorm Warning | TSA | Haskell, Latimer, Pittsburg, Pushmataha | 48 min |
| Mar 13, 1:01 AM CST | Severe Thunderstorm Warning | TSA | Sequoyah | 44 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, 2.9 hours before the alert went out and 56 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
- 2180 J/kg
- Mixed-layer CIN
- -23 J/kg
- Mixed-layer LCL
- 1353 m above ground
- 0-6 km bulk shear
- 25 kt
- 0-1 km storm-relative helicity
- 97 m²/s²
- 0-3 km storm-relative helicity
- 163 m²/s²
- Significant tornado parameter
- 0.7
- Supercell composite
- 5.2
SPC that day
Everything else SPC issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Mar 12, 7:48 PM CST | Mesoscale Discussion | SPC | Craig, Delaware, Nowata, Osage, Ottawa, Rogers and 1 more | 57 min |
| Mar 12, 8:25 PM CST | Severe Thunderstorm Watch | SPC | Craig, Nowata, Ottawa, Washington | 6 hr |
| Mar 12, 8:36 PM CST | Mesoscale Discussion | SPC | Caddo, Canadian, Cleveland, Creek, Grady, Kingfisher and 12 more | 84 min |
| Mar 12, 9:52 PM CST | Mesoscale Discussion | SPC | Craig, Nowata, Ottawa, Washington | 113 min |
| Mar 12, 11:03 PM CST | Mesoscale Discussion | SPC | Atoka, Caddo, Carter, Cleveland, Coal, Garvin and 17 more | 117 min |
| Mar 13, 12:56 AM CST | Mesoscale Discussion | SPC | McCurtain | 2 hr |
Nearby
Severe Thunderstorm Watches in Oklahoma, 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.