Alert archive / Oklahoma / Severe Thunderstorm Watches in 2003

Severe Thunderstorm Watch 5

February 14, 20034 states

The Storm Prediction Center issued this severe thunderstorm watch at Feb 14, 2003, 11:20 PM CST for 4 states. It was in force for 6 hr.

The area

The outline as issued.

The facts

Issued
Feb 14, 2003, 11:20 PM CST (05:20 UTC)
Expired
Feb 15, 2003, 5:00 AM CST
In force
6 hr
Issued by
the Storm Prediction Center
All 41 counties

Benton County, AR, Carroll County, AR, Crawford County, AR, Franklin County, AR, Madison County, AR, Sebastian County, AR, Washington County, AR, Cherokee County, KS, Labette County, KS, Barry County, MO, Christian County, MO, Jasper County, MO, Lawrence County, MO, McDonald County, MO, Newton County, MO, Stone County, MO, Taney County, MO, Adair County, OK, Cherokee County, OK, Craig County, OK, Creek County, OK, Delaware County, OK, Haskell County, OK, Hughes County, OK, Latimer County, OK, LeFlore County, OK, Mayes County, OK, McIntosh County, OK, Muskogee County, OK, Nowata County, OK, Okfuskee County, OK, Okmulgee County, OK, Ottawa County, OK, Pittsburg County, OK, Pottawatomie County, OK, Rogers County, OK, Seminole County, OK, Sequoyah County, OK, Tulsa County, OK, Wagoner County, OK, Washington County, OK

The radar

The Tulsa radar (KINX), 44 km from the middle of the area, began a volume at 05:22 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

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

IssuedProductOfficeCountiesLasted
Feb 14, 11:33 PM CSTSevere Thunderstorm WarningTSACreek42 min
Feb 14, 11:54 PM CSTSevere Thunderstorm WarningTSATulsa51 min
Feb 15, 12:18 AM CSTSevere Thunderstorm WarningTSAOkmulgee57 min
Feb 15, 12:29 AM CSTSevere Thunderstorm WarningTSARogers, Wagoner61 min
Feb 15, 12:43 AM CSTSevere Thunderstorm WarningTSATulsa17 min
Feb 15, 12:53 AM CSTSevere Thunderstorm WarningTSAMayes67 min
Feb 15, 2:09 AM CSTSevere Thunderstorm WarningSGFNewton51 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, 5.3 hours before the alert went out and 188 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, Norman, OK at 00:00Z on 2003-02-15Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 266 joules per kilogram.LCLLFCEL10008507005003002001001 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, Norman, OK at 00:00Z on 2003-02-15The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 109 square meters per square second.1939587897Sfc1 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
266 J/kg
Mixed-layer CIN
-102 J/kg
Mixed-layer LCL
1652 m above ground
0-6 km bulk shear
33 kt
0-1 km storm-relative helicity
109 m²/s²
0-3 km storm-relative helicity
75 m²/s²
Significant tornado parameter
0.0
Supercell composite
1.6

Open this sounding in Storm Lab

SPC that day

Everything else SPC issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Feb 14, 6:57 PM CSTMesoscale DiscussionSPCLittle River2 hr
Feb 14, 7:37 PM CSTMesoscale DiscussionSPCLittle River113 min
Feb 14, 11:09 PM CSTMesoscale DiscussionSPCBenton, Carroll, Crawford, Franklin, Madison, Sebastian and 1 more2 hr
Feb 15, 12:31 AM CSTMesoscale DiscussionSPCBenton, Carroll, Crawford, Franklin, Madison, Sebastian and 1 more119 min
Feb 15, 3:15 AM CSTMesoscale DiscussionSPCBenton, Carroll, Crawford, Madison, Sebastian, Washington60 min
Feb 14, 8:26 PM CSTMesoscale DiscussionSPCAllen, Anderson, Bourbon, Chautauqua, Cherokee, Coffey and 13 more2 hr

Nearby

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