Alert archive / Oklahoma / Mesoscale Discussions in 2007

Mesoscale Discussion 262

March 9, 20077 counties in Kansas; 7 counties in Missouri; 10 counties in Oklahoma

The Storm Prediction Center issued this mesoscale discussion at Mar 9, 2007, 4:39 PM CST for 7 counties in Kansas; 7 counties in Missouri; 10 counties in Oklahoma. It was in force for 96 min.

The area

The outline as issued.

The facts

Issued
Mar 9, 2007, 4:39 PM CST (22:39 UTC)
Expired
Mar 9, 2007, 6:15 PM CST
In force
96 min
Issued by
the Storm Prediction Center
All 24 counties

Allen County, KS, Bourbon County, KS, Cherokee County, KS, Crawford County, KS, Labette County, KS, Montgomery County, KS, Neosho County, KS, Barton County, MO, Bates County, MO, Jasper County, MO, McDonald County, MO, Newton County, MO, St. Clair County, MO, Vernon County, MO, Adair County, OK, Cherokee County, OK, Craig County, OK, Delaware County, OK, Mayes County, OK, Muskogee County, OK, Nowata County, OK, Ottawa County, OK, Rogers County, OK, Wagoner County, OK

The radar

The Tulsa radar (KINX), 110 km from the middle of the area, began a volume at 22:42 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.

The watches that followed

Watches SPC issued over any of the same counties within four hours of this discussion.

The nearest sounding before it

Springfield, MO (KSGF), launched 12:00Z, 10.7 hours before the alert went out and 84 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

The text

As transmitted, in the capitals the NWS used until 2016.

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SPC that day

Everything else SPC issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Mar 9, 5:03 PM CSTSevere Thunderstorm WatchSPCCherokee, Crawford, Labette5 hr
Mar 9, 11:36 AM CSTMesoscale DiscussionSPCAtoka, Bryan, Carter, Cherokee, Choctaw, Coal and 23 more84 min
Mar 9, 3:31 PM CSTSevere Thunderstorm WatchSPCAtoka, Bryan, Choctaw, Haskell, Latimer, LeFlore and 3 more6 hr

Nearby

Mesoscale Discussions in Oklahoma, 2007Mesoscale Discussions in Kansas, 2007Mesoscale Discussions in Missouri, 2007Every mesoscale discussion 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.