Alert archive / Oklahoma / Severe Thunderstorm Watches in 2003
Severe Thunderstorm Watch 365
The Storm Prediction Center issued this severe thunderstorm watch at May 13, 2003, 10:20 PM CDT for Clark County, Kansas; 45 counties in Oklahoma. It was in force for 7 hr.
The area
The outline as issued.
The facts
- Issued
- May 13, 2003, 10:20 PM CDT (03:20 UTC)
- Expired
- May 14, 2003, 5:00 AM CDT
- In force
- 7 hr
- Issued by
- the Storm Prediction Center
All 46 counties
Clark County, KS, Alfalfa County, OK, Atoka County, OK, Beckham County, OK, Blaine County, OK, Caddo County, OK, Canadian County, OK, Choctaw County, OK, Cleveland County, OK, Coal County, OK, Creek County, OK, Custer County, OK, Dewey County, OK, Ellis County, OK, Garfield County, OK, Garvin County, OK, Grady County, OK, Harper County, OK, Hughes County, OK, Johnston County, OK, Kingfisher County, OK, Kiowa County, OK, Lincoln County, OK, Logan County, OK, Major County, OK, McClain County, OK, McIntosh County, OK, Murray County, OK, Muskogee County, OK, Noble County, OK, Okfuskee County, OK, Oklahoma County, OK, Okmulgee County, OK, Pawnee County, OK, Payne County, OK, Pittsburg County, OK, Pontotoc County, OK, Pottawatomie County, OK, Pushmataha County, OK, Roger Mills County, OK, Seminole County, OK, Tulsa County, OK, Wagoner County, OK, Washita County, OK, Woods County, OK, Woodward County, OK
The radar
The Vance AFB radar (KVNX), 92 km from the middle of the area, began a volume at 03:20 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
21 tornado, severe thunderstorm and flash flood warnings for its counties while it was in force.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 13, 10:37 PM CDT | Severe Thunderstorm Warning | OUN | Washita | 38 min |
| May 13, 11:06 PM CDT | Severe Thunderstorm Warning | OUN | Caddo | 39 min |
| May 14, 12:07 AM CDT | Severe Thunderstorm Warning | OUN | Caddo | 38 min |
| May 14, 12:51 AM CDT | Severe Thunderstorm Warning | OUN | Caddo | 54 min |
| May 14, 1:01 AM CDT | Severe Thunderstorm Warning | OUN | Custer | 44 min |
| May 14, 1:46 AM CDT | Severe Thunderstorm Warning | OUN | Blaine, Caddo, Custer | 59 min |
| May 14, 1:48 AM CDT | Severe Thunderstorm Warning | OUN | Comanche, Grady | 42 min |
| May 14, 1:56 AM CDT | Severe Thunderstorm Warning | OUN | Canadian | 64 min |
| May 14, 2:30 AM CDT | Severe Thunderstorm Warning | OUN | Grady | 45 min |
| May 14, 2:48 AM CDT | Severe Thunderstorm Warning | OUN | Caddo | 42 min |
| May 14, 3:01 AM CDT | Severe Thunderstorm Warning | OUN | Blaine | 44 min |
| May 14, 3:13 AM CDT | Severe Thunderstorm Warning | OUN | Garvin, Grady, McClain, Stephens | 47 min |
| May 14, 3:19 AM CDT | Severe Thunderstorm Warning | OUN | Dewey | 56 min |
| May 14, 3:41 AM CDT | Severe Thunderstorm Warning | DDC | Clark, Meade | 49 min |
| May 14, 4:01 AM CDT | Severe Thunderstorm Warning | OUN | Garvin | 44 min |
| May 14, 4:14 AM CDT | Severe Thunderstorm Warning | OUN | Murray | 46 min |
| May 14, 4:15 AM CDT | Severe Thunderstorm Warning | OUN | Harper | 45 min |
| May 14, 4:17 AM CDT | Severe Thunderstorm Warning | OUN | Blaine, Dewey | 43 min |
| May 14, 4:43 AM CDT | Severe Thunderstorm Warning | OUN | Ellis, Woodward | 47 min |
| May 14, 4:46 AM CDT | Severe Thunderstorm Warning | OUN | Carter, Garvin, Johnston, Murray | 44 min |
| May 14, 4:57 AM CDT | Severe Thunderstorm Warning | OUN | Blaine, Canadian | 48 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, 3.3 hours before the alert went out and 100 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
- 3007 J/kg
- Mixed-layer CIN
- -31 J/kg
- Mixed-layer LCL
- 995 m above ground
- 0-6 km bulk shear
- 57 kt
- 0-1 km storm-relative helicity
- 192 m²/s²
- 0-3 km storm-relative helicity
- 283 m²/s²
- Significant tornado parameter
- 4.6
- Supercell composite
- 17.9
SPC that day
Everything else SPC issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 13, 8:38 PM CDT | Mesoscale Discussion | SPC | Brown, Clay, Cloud, Marshall, Nemaha, Ottawa and 3 more | 2 hr |
| May 13, 9:58 PM CDT | Mesoscale Discussion | SPC | Barber, Comanche, Cowley, Harper, Sumner | 3 hr |
| May 14, 4:52 PM CDT | Mesoscale Discussion | SPC | Barber, Comanche, Harper | 113 min |
| May 14, 1:34 AM CDT | Mesoscale Discussion | SPC | Atoka, Blaine, Caddo, Canadian, Cleveland, Coal and 32 more | 116 min |
| May 14, 3:49 AM CDT | Mesoscale Discussion | SPC | Atoka, Blaine, Bryan, Caddo, Canadian, Carter and 38 more | 116 min |
| May 14, 4:05 AM CDT | Severe Thunderstorm Watch | SPC | Alfalfa, Blaine, Bryan, Caddo, Canadian, Carter and 23 more | 5 hr |
| May 14, 5:50 AM CDT | Mesoscale Discussion | SPC | Atoka, Blaine, Bryan, Caddo, Canadian, Carter and 23 more | 115 min |
| May 14, 7:40 AM CDT | Mesoscale Discussion | SPC | Beckham, Bryan, Carter, Comanche, Cotton, Custer and 11 more | 95 min |
| May 14, 10:55 AM CDT | Mesoscale Discussion | SPC | Bryan, Choctaw, Johnston, McCurtain, Marshall | 2 hr |
| May 14, 2:30 PM CDT | Tornado Watch | SPC | Choctaw, McCurtain, Pushmataha | 6 hr |
| May 14, 3:23 PM CDT | Mesoscale Discussion | SPC | Cotton, Jefferson, Love, Tillman | 2 hr |
| May 14, 6:28 PM CDT | Mesoscale Discussion | SPC | Greer, Harmon, Jackson | 2 hr |
Nearby
Severe Thunderstorm Watches in Oklahoma, 2003Severe Thunderstorm Watches in Kansas, 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.