Alert archive / Missouri / Severe Thunderstorm Watches in 2004

Severe Thunderstorm Watch 591

July 8, 20044 states

The Storm Prediction Center issued this severe thunderstorm watch at Jul 8, 2004, 1:30 PM CDT for 4 states. It was in force for 6 hr.

The area

The outline as issued.

The facts

Issued
Jul 8, 2004, 1:30 PM CDT (18:30 UTC)
Expired
Jul 8, 2004, 7:00 PM CDT
In force
6 hr
Issued by
the Storm Prediction Center
All 23 counties

Benton County, AR, Cherokee County, KS, Barry County, MO, Barton County, MO, Cedar County, MO, Dade County, MO, Greene County, MO, Hickory County, MO, Jasper County, MO, Lawrence County, MO, McDonald County, MO, Newton County, MO, Polk County, MO, Stone County, MO, Adair County, OK, Cherokee County, OK, Craig County, OK, Delaware County, OK, Mayes County, OK, Muskogee County, OK, Ottawa County, OK, Rogers County, OK, Wagoner County, OK

The radar

The Tulsa radar (KINX), 104 km from the middle of the area, began a volume at 18:21 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

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

IssuedProductOfficeCountiesLasted
Jul 8, 1:47 PM CDTSevere Thunderstorm WarningSGFCedar, Vernon58 min
Jul 8, 2:06 PM CDTSevere Thunderstorm WarningSGFJasper54 min
Jul 8, 2:21 PM CDTSevere Thunderstorm WarningTSACraig69 min
Jul 8, 2:25 PM CDTSevere Thunderstorm WarningTSAOttawa65 min
Jul 8, 2:38 PM CDTSevere Thunderstorm WarningSGFDade, Lawrence67 min
Jul 8, 2:39 PM CDTSevere Thunderstorm WarningSGFNewton66 min
Jul 8, 3:05 PM CDTSevere Thunderstorm WarningTSADelaware, Mayes, Rogers115 min
Jul 8, 3:28 PM CDTSevere Thunderstorm WarningTSACraig47 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, 6.5 hours before the alert went out and 80 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 2004-07-08Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1067 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, Springfield, MO at 12:00Z on 2004-07-08The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 86 square meters per square second.1939Sfc1 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
1067 J/kg
Mixed-layer CIN
-140 J/kg
Mixed-layer LCL
1037 m above ground
0-6 km bulk shear
24 kt
0-1 km storm-relative helicity
86 m²/s²
0-3 km storm-relative helicity
138 m²/s²
Significant tornado parameter
0.0
Supercell composite
1.7

Open this sounding in Storm Lab

SPC that day

Everything else SPC issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Jul 8, 3:49 PM CDTMesoscale DiscussionSPCBenton, Carroll, Madison, Washington86 min
Jul 8, 5:43 PM CDTMesoscale DiscussionSPCBenton62 min
Jul 7, 7:45 PM CDTSevere Thunderstorm WatchSPCBarton, Ellis, Ellsworth, Graham, Jewell, Lincoln and 11 more5 hr
Jul 7, 9:23 PM CDTMesoscale DiscussionSPCBarber, Barton, Clark, Comanche, Edwards, Ellis and 18 more97 min
Jul 8, 7:28 AM CDTMesoscale DiscussionSPCAllen, Anderson, Bourbon, Butler, Chase, Chautauqua and 26 more3 hr
Jul 8, 10:09 AM CDTMesoscale DiscussionSPCAllen, Bourbon, Chautauqua, Cherokee, Cowley, Crawford and 6 more2 hr

Nearby

Severe Thunderstorm Watches in Missouri, 2004Severe Thunderstorm Watches in Oklahoma, 2004Severe Thunderstorm Watches in Arkansas, 2004Every severe thunderstorm watch in 2004

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.