Alert archive / Oklahoma / Severe Thunderstorm Watches in 2003

Severe Thunderstorm Watch 361

May 13, 20038 counties in Arkansas; 14 counties in Oklahoma

The Storm Prediction Center issued this severe thunderstorm watch at May 13, 2003, 2:20 PM CDT for 8 counties in Arkansas; 14 counties in Oklahoma. It was in force for 6 hr.

The area

The outline as issued.

The facts

Issued
May 13, 2003, 2:20 PM CDT (19:20 UTC)
Expired
May 13, 2003, 8:00 PM CDT
In force
6 hr
Issued by
the Storm Prediction Center
All 22 counties

Crawford County, AR, Franklin County, AR, Logan County, AR, Madison County, AR, Montgomery County, AR, Scott County, AR, Sebastian County, AR, Washington County, AR, Adair County, OK, Cherokee County, OK, Haskell County, OK, Latimer County, OK, LeFlore County, OK, Mayes County, OK, McIntosh County, OK, Muskogee County, OK, Okmulgee County, OK, Pittsburg County, OK, Rogers County, OK, Sequoyah County, OK, Tulsa County, OK, Wagoner County, OK

The radar

The Western Arkansas radar (KSRX), 73 km from the middle of the area, began a volume at 19:23 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

20 tornado, severe thunderstorm and flash flood warnings for its counties while it was in force.

IssuedProductOfficeCountiesLasted
May 13, 2:26 PM CDTSevere Thunderstorm WarningTSACherokee, Mayes49 min
May 13, 2:31 PM CDTSevere Thunderstorm WarningTSATulsa, Wagoner44 min
May 13, 2:36 PM CDTSevere Thunderstorm WarningTSAMadison, Washington39 min
May 13, 2:50 PM CDTSevere Thunderstorm WarningTSACherokee40 min
May 13, 3:02 PM CDTSevere Thunderstorm WarningTSACrawford28 min
May 13, 3:11 PM CDTFlash Flood WarningTSACherokee4 hr
May 13, 3:19 PM CDTSevere Thunderstorm WarningTSAMuskogee, Wagoner56 min
May 13, 3:28 PM CDTSevere Thunderstorm WarningTSAAdair, Sequoyah62 min
May 13, 3:31 PM CDTSevere Thunderstorm WarningTSACrawford, Franklin44 min
May 13, 3:48 PM CDTSevere Thunderstorm WarningLZKLogan37 min
May 13, 3:48 PM CDTSevere Thunderstorm WarningTSACherokee57 min
May 13, 3:55 PM CDTSevere Thunderstorm WarningTSACrawford50 min
May 13, 4:03 PM CDTFlash Flood WarningTSACrawford, Franklin4 hr
May 13, 4:14 PM CDTSevere Thunderstorm WarningTSAHaskell, Muskogee, Sequoyah76 min
May 13, 4:21 PM CDTSevere Thunderstorm WarningTSAFranklin, Sebastian54 min
May 13, 4:36 PM CDTSevere Thunderstorm WarningTSALeFlore39 min
May 13, 5:07 PM CDTSevere Thunderstorm WarningTSASebastian38 min
May 13, 5:08 PM CDTSevere Thunderstorm WarningTSALeFlore52 min
May 13, 5:52 PM CDTSevere Thunderstorm WarningLZKPolk, Scott48 min
May 13, 5:55 PM CDTSevere Thunderstorm WarningTSALeFlore50 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

Springfield, MO (KSGF), launched 12:00Z, 7.3 hours before the alert went out and 170 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.

Skew-T log-pSkew-T log-p diagram, Springfield, MO at 12:00Z on 2003-05-13Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Springfield, MO at 12:00Z on 2003-05-13The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 168 square meters per square second.19395878Sfc1 km3 km6 km9 kmRMLM
The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.
Mixed-layer CAPE
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
1853 m above ground
0-6 km bulk shear
58 kt
0-1 km storm-relative helicity
168 m²/s²
0-3 km storm-relative helicity
173 m²/s²
Significant tornado parameter
0.0
Supercell composite
-0.0

Open this sounding in Storm Lab

SPC that day

Everything else SPC issued on the same UTC day.

IssuedProductOfficeCountiesLasted
May 13, 10:08 AM CDTMesoscale DiscussionSPCBenton97 min
May 13, 1:18 PM CDTMesoscale DiscussionSPCBenton, Crawford, Franklin, Johnson, Logan, Madison and 6 more87 min
May 13, 3:33 PM CDTMesoscale DiscussionSPCCrawford, Franklin, Logan, Madison, Scott, Sebastian and 1 more87 min
May 13, 5:45 PM CDTSevere Thunderstorm WatchSPCArkansas, Ashley, Bradley, Calhoun, Chicot, Clark and 22 more4 hr
May 13, 6:18 PM CDTMesoscale DiscussionSPCArkansas, Ashley, Bradley, Calhoun, Chicot, Clark and 26 more87 min
May 13, 5:50 AM CDTMesoscale DiscussionSPCAtoka, Bryan, Choctaw, Cleveland, Coal, Garvin and 7 more3 hr
May 13, 1:53 PM CDTMesoscale DiscussionSPCAlfalfa, Blaine, Canadian, Cleveland, Creek, Garfield and 12 more97 min
May 13, 5:04 PM CDTMesoscale DiscussionSPCAlfalfa, Beckham, Blaine, Caddo, Custer, Dewey and 11 more86 min

Nearby

Severe Thunderstorm Watches in Oklahoma, 2003Severe Thunderstorm Watches in Arkansas, 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.