Alert archive / Oklahoma / Severe Thunderstorm Watches in 2007

Severe Thunderstorm Watch 56

March 9, 20074 states

The Storm Prediction Center issued this severe thunderstorm watch at Mar 9, 2007, 5:03 PM CST for 4 states. It was in force for 5 hr.

The area

The outline as issued.

The facts

Issued
Mar 9, 2007, 5:03 PM CST (23:03 UTC)
Expired
Mar 9, 2007, 10:00 PM CST
In force
5 hr
Issued by
the Storm Prediction Center
All 25 counties

Benton County, AR, Carroll County, AR, Crawford County, AR, Franklin County, AR, Madison County, AR, Washington County, AR, Cherokee County, KS, Crawford County, KS, Labette County, KS, Barry County, MO, Barton County, MO, Dade County, MO, Jasper County, MO, Lawrence County, MO, McDonald County, MO, Newton County, MO, Adair County, OK, Cherokee County, OK, Craig County, OK, Delaware County, OK, Mayes County, OK, Muskogee County, OK, Ottawa County, OK, Sequoyah County, OK, Wagoner County, OK

The radar

The Tulsa radar (KINX), 84 km from the middle of the area, began a volume at 23:03 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

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

IssuedProductOfficeCountiesLasted
Mar 9, 5:34 PM CSTSevere Thunderstorm WarningTSAHaskell, Muskogee, Sequoyah56 min
Mar 9, 5:43 PM CSTSevere Thunderstorm WarningTSACraig62 min
Mar 9, 6:10 PM CSTFlash Flood WarningTSACraig2 hr
Mar 9, 6:12 PM CSTSevere Thunderstorm WarningTSASequoyah36 min
Mar 9, 6:41 PM CSTSevere Thunderstorm WarningTSACraig, Mayes40 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, 11.1 hours before the alert went out and 93 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 2007-03-09Temperature 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 2007-03-09The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 113 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
1891 m above ground
0-6 km bulk shear
36 kt
0-1 km storm-relative helicity
113 m²/s²
0-3 km storm-relative helicity
143 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
Mar 9, 3:31 PM CSTSevere Thunderstorm WatchSPCHoward, Little River, Miller, Polk, Scott, Sebastian and 1 more6 hr
Mar 9, 4:39 PM CSTMesoscale DiscussionSPCAllen, Bourbon, Cherokee, Crawford, Labette, Montgomery and 1 more96 min
Mar 9, 11:36 AM CSTMesoscale DiscussionSPCAtoka, Bryan, Carter, Cherokee, Choctaw, Coal and 23 more84 min

Nearby

Severe Thunderstorm Watches in Oklahoma, 2007Severe Thunderstorm Watches in Missouri, 2007Severe Thunderstorm Watches in Arkansas, 2007Every severe thunderstorm watch in 2007

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.