Alert archive / Oklahoma / Severe Thunderstorm Watches in 2003

Severe Thunderstorm Watch 125

April 15, 200312 counties in Kansas; 23 counties in Oklahoma

The Storm Prediction Center issued this severe thunderstorm watch at Apr 15, 2003, 11:20 PM CDT for 12 counties in Kansas; 23 counties in Oklahoma. It was in force for 6 hr.

The area

The outline as issued.

The facts

Issued
Apr 15, 2003, 11:20 PM CDT (04:20 UTC)
Expired
Apr 16, 2003, 5:00 AM CDT
In force
6 hr
Issued by
the Storm Prediction Center
All 35 counties

Allen County, KS, Butler County, KS, Chautauqua County, KS, Cherokee County, KS, Crawford County, KS, Elk County, KS, Greenwood County, KS, Labette County, KS, Montgomery County, KS, Neosho County, KS, Wilson County, KS, Woodson County, KS, 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, Osage County, OK, Ottawa County, OK, Pittsburg County, OK, Rogers County, OK, Sequoyah County, OK, Tulsa County, OK, Wagoner County, OK, Washington County, OK

The radar

The Tulsa radar (KINX), 59 km from the middle of the area, began a volume at 04:21 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

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

IssuedProductOfficeCountiesLasted
Apr 15, 11:59 PM CDTSevere Thunderstorm WarningTSAOsage, Pawnee61 min
Apr 16, 12:15 AM CDTSevere Thunderstorm WarningTSACreek45 min
Apr 16, 12:48 AM CDTSevere Thunderstorm WarningTSATulsa57 min
Apr 16, 12:55 AM CDTSevere Thunderstorm WarningICTMontgomery35 min
Apr 16, 12:56 AM CDTSevere Thunderstorm WarningTSAWashington64 min
Apr 16, 12:58 AM CDTSevere Thunderstorm WarningTSACreek, Osage32 min
Apr 16, 1:16 AM CDTSevere Thunderstorm WarningTSAOkfuskee44 min
Apr 16, 1:24 AM CDTSevere Thunderstorm WarningICTLabette, Neosho36 min
Apr 16, 1:27 AM CDTSevere Thunderstorm WarningTSANowata, Rogers48 min
Apr 16, 1:46 AM CDTSevere Thunderstorm WarningTSAOkmulgee, Tulsa44 min
Apr 16, 1:59 AM CDTSevere Thunderstorm WarningSGFBourbon, Crawford31 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 00:00Z, 4.3 hours before the alert went out and 150 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 00:00Z on 2003-04-16Temperature 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 00:00Z on 2003-04-16The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 68 square meters per square second.193958Sfc1 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
2736 m above ground
0-6 km bulk shear
19 kt
0-1 km storm-relative helicity
68 m²/s²
0-3 km storm-relative helicity
131 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
Apr 15, 9:04 PM CDTMesoscale DiscussionSPCBarber, Harper, Harvey, Kingman, Pratt, Reno and 3 more86 min
Apr 16, 12:49 AM CDTMesoscale DiscussionSPCAnderson, Atchison, Chase, Clay, Coffey, Douglas and 17 more116 min
Apr 16, 2:01 AM CDTMesoscale DiscussionSPCAllen, Cherokee, Labette, Neosho119 min
Apr 15, 7:11 PM CDTMesoscale DiscussionSPCComanche, Harmon, Jackson, Tillman2 hr
Apr 15, 8:35 PM CDTMesoscale DiscussionSPCCarter, Cleveland, Creek, Garvin, Grady, Jefferson and 16 more115 min
Apr 15, 9:00 PM CDTTornado WatchSPCCarter, Cleveland, Coal, Creek, Garvin, Grady and 15 more5 hr
Apr 15, 11:00 PM CDTMesoscale DiscussionSPCCanadian, Carter, Cleveland, Coal, Cotton, Creek and 21 more2 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.