Alert archive / Missouri / Severe Thunderstorm Watches in 2000

Severe Thunderstorm Watch 484

June 23, 200015 counties in Iowa; 19 counties in Missouri; 9 counties in Nebraska

The Storm Prediction Center issued this severe thunderstorm watch at Jun 23, 2000, 5:15 PM CDT for 15 counties in Iowa; 19 counties in Missouri; 9 counties in Nebraska. It was in force for 6 hr.

The area

The outline as issued.

The facts

Issued: Jun 23, 2000, 5:15 PM CDT (22:15 UTC)
Expired: Jun 23, 2000, 11:00 PM CDT
In force: 6 hr
Issued by: the Storm Prediction Center

All 43 counties

Adams County, IA, Appanoose County, IA, Cass County, IA, Clarke County, IA, Davis County, IA, Decatur County, IA, Fremont County, IA, Mills County, IA, Montgomery County, IA, Page County, IA, Pottawattamie County, IA, Ringgold County, IA, Taylor County, IA, Union County, IA, Wayne County, IA, Adair County, MO, Andrew County, MO, Atchison County, MO, Caldwell County, MO, Chariton County, MO, Daviess County, MO, DeKalb County, MO, Gentry County, MO, Grundy County, MO, Harrison County, MO, Holt County, MO, Linn County, MO, Livingston County, MO, Mercer County, MO, Nodaway County, MO, Putnam County, MO, Schuyler County, MO, Sullivan County, MO, Worth County, MO, Cass County, NE, Douglas County, NE, Johnson County, NE, Lancaster County, NE, Nemaha County, NE, Otoe County, NE, Richardson County, NE, Sarpy County, NE, Washington County, NE

The radar

The Omaha radar (KOAX), 143 km from the middle of the area, began a volume at 22:16 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

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

Issued	Product	Office	Counties	Lasted
Jun 23, 5:16 PM CDT	Severe Thunderstorm Warning	OAX	Fremont	44 min
Jun 23, 5:27 PM CDT	Severe Thunderstorm Warning	OAX	Mills, Montgomery	48 min
Jun 23, 5:28 PM CDT	Severe Thunderstorm Warning	EAX	Atchison	62 min
Jun 23, 5:29 PM CDT	Tornado Warning	OAX	Nemaha, Otoe	31 min
Jun 23, 5:55 PM CDT	Severe Thunderstorm Warning	OAX	Otoe	50 min
Jun 23, 5:58 PM CDT	Tornado Warning	OAX	Nemaha	32 min
Jun 23, 6:22 PM CDT	Severe Thunderstorm Warning	OAX	Cass	38 min
Jun 23, 6:27 PM CDT	Severe Thunderstorm Warning	OAX	Sarpy	48 min
Jun 23, 6:33 PM CDT	Severe Thunderstorm Warning	OAX	Nemaha	42 min
Jun 23, 6:40 PM CDT	Severe Thunderstorm Warning	OAX	Pottawattamie	50 min
Jun 23, 6:45 PM CDT	Severe Thunderstorm Warning	DMX	Adair, Cass	30 min
Jun 23, 6:50 PM CDT	Tornado Warning	OAX	Nemaha	25 min
Jun 23, 6:53 PM CDT	Tornado Warning	EAX	Atchison, Holt	37 min
Jun 23, 7:05 PM CDT	Tornado Warning	OAX	Richardson	25 min
Jun 23, 7:12 PM CDT	Severe Thunderstorm Warning	DMX	Adair, Cass	33 min
Jun 23, 7:30 PM CDT	Tornado Warning	EAX	Holt	45 min
Jun 23, 7:34 PM CDT	Severe Thunderstorm Warning	EAX	Atchison	56 min
Jun 23, 7:35 PM CDT	Flash Flood Warning	DMX	Davis	3 hr
Jun 23, 7:37 PM CDT	Severe Thunderstorm Warning	OAX	Cass, Lancaster	38 min
Jun 23, 7:53 PM CDT	Severe Thunderstorm Warning	OAX	Richardson	52 min
Jun 23, 7:56 PM CDT	Severe Thunderstorm Warning	OAX	Page	49 min
Jun 23, 8:14 PM CDT	Severe Thunderstorm Warning	DMX	Taylor	46 min
Jun 23, 8:17 PM CDT	Severe Thunderstorm Warning	OAX	Cass	43 min
Jun 23, 8:32 PM CDT	Tornado Warning	DMX	Taylor	28 min
Jun 23, 8:44 PM CDT	Flash Flood Warning	OAX	Cass	6 hr
Jun 23, 8:48 PM CDT	Severe Thunderstorm Warning	EAX	Nodaway	42 min
Jun 23, 10:28 PM CDT	Flash Flood Warning	OAX	Nemaha, Otoe, Richardson	4 hr

The nearest sounding before it

Omaha, NE (KOAX), launched 12:00Z, 10.3 hours before the alert went out and 143 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-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

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: 2896 m above ground
0-6 km bulk shear: 35 kt
0-1 km storm-relative helicity: 210 m²/s²
0-3 km storm-relative helicity: 170 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

The text

The text of this product is not in the archive. The NWS text archive before 2002 is incomplete.

SPC that day

Everything else SPC issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Jun 23, 11:30 AM CDT	Severe Thunderstorm Watch	SPC	Appanoose, Benton, Black Hawk, Buchanan, Cedar, Clarke and 34 more	6 hr
Jun 23, 3:45 PM CDT	Severe Thunderstorm Watch	SPC	Lee, Van Buren	4 hr
Jun 23, 12:30 PM CDT	Severe Thunderstorm Watch	SPC	Adair, Caldwell, Chariton, Clark, Clinton, Daviess and 21 more	5 hr
Jun 23, 6:00 PM CDT	Severe Thunderstorm Watch	SPC	Adams, Butler, Clay, Dodge, Fillmore, Franklin and 20 more	5 hr
Jun 23, 6:30 PM CDT	Severe Thunderstorm Watch	SPC	Arthur, Banner, Box Butte, Cheyenne, Dawes, Deuel and 7 more	5 hr

Nearby

Severe Thunderstorm Watches in Missouri, 2000 Severe Thunderstorm Watches in Iowa, 2000 Severe Thunderstorm Watches in Nebraska, 2000 Every severe thunderstorm watch in 2000

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.