Alert archive / Nebraska / Tornado Watches in 1998

Tornado Watch 648

June 23, 19984 states

The Storm Prediction Center issued this tornado watch at Jun 23, 1998, 7:15 PM CDT for 4 states. It was in force for 6 hr.

The area

The outline as issued.

The facts

Issued: Jun 23, 1998, 7:15 PM CDT (00:15 UTC)
Expired: Jun 24, 1998, 1:00 AM CDT
In force: 6 hr
Issued by: the Storm Prediction Center

All 66 counties

Monona County, IA, Plymouth County, IA, Woodbury County, IA, Clay County, KS, Cloud County, KS, Geary County, KS, Jewell County, KS, Lincoln County, KS, Marshall County, KS, Mitchell County, KS, Nemaha County, KS, Osborne County, KS, Ottawa County, KS, Pottawatomie County, KS, Republic County, KS, Riley County, KS, Russell County, KS, Smith County, KS, Washington County, KS, Adams County, NE, Antelope County, NE, Boone County, NE, Burt County, NE, Butler County, NE, Cass County, NE, Cedar County, NE, Clay County, NE, Colfax County, NE, Cuming County, NE, Dakota County, NE, Dixon County, NE, Dodge County, NE, Douglas County, NE, Fillmore County, NE, Gage County, NE, Greeley County, NE, Hall County, NE, Hamilton County, NE, Holt County, NE, Howard County, NE, Jefferson County, NE, Johnson County, NE, Knox County, NE, Lancaster County, NE, Madison County, NE, Merrick County, NE, Nance County, NE, Nuckolls County, NE, Otoe County, NE, Pawnee County, NE, Pierce County, NE, Platte County, NE, Polk County, NE, Saline County, NE, Sarpy County, NE, Saunders County, NE, Seward County, NE, Stanton County, NE, Thayer County, NE, Thurston County, NE, Washington County, NE, Wayne County, NE, Webster County, NE, Wheeler County, NE, York County, NE, Union County, SD

The radar

The Omaha radar (KOAX), 109 km from the middle of the area, began a volume at 00:31 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

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

Issued	Product	Office	Counties	Lasted
Jun 23, 7:16 PM CDT	Severe Thunderstorm Warning	GID	Nuckolls, Webster	44 min
Jun 23, 7:19 PM CDT	Tornado Warning	FSD	Woodbury	31 min
Jun 23, 7:24 PM CDT	Tornado Warning	OAX	Monona	51 min
Jun 23, 7:25 PM CDT	Tornado Warning	FSD	Dakota, Dixon	50 min
Jun 23, 7:28 PM CDT	Severe Thunderstorm Warning	OAX	Cuming, Wayne	62 min
Jun 23, 7:30 PM CDT	Severe Thunderstorm Warning	GID	Mitchell, Osborne	60 min
Jun 23, 7:30 PM CDT	Severe Thunderstorm Warning	OAX	Knox	65 min
Jun 23, 7:32 PM CDT	Severe Thunderstorm Warning	OAX	Saline	48 min
Jun 23, 7:37 PM CDT	Tornado Warning	OAX	Colfax, Platte	33 min
Jun 23, 7:45 PM CDT	Tornado Warning	OAX	Cuming, Stanton, Wayne	45 min
Jun 23, 7:48 PM CDT	Severe Thunderstorm Warning	GID	Adams, Clay	62 min
Jun 23, 7:50 PM CDT	Tornado Warning	FSD	Woodbury	35 min
Jun 23, 7:56 PM CDT	Severe Thunderstorm Warning	TOP	Cloud, Republic	34 min
Jun 23, 7:56 PM CDT	Tornado Warning	OAX	Dodge	49 min
Jun 23, 8:04 PM CDT	Severe Thunderstorm Warning	GID	Fillmore	51 min
Jun 23, 8:07 PM CDT	Tornado Warning	OAX	Cuming	48 min
Jun 23, 8:12 PM CDT	Severe Thunderstorm Warning	GID	Hamilton, York	43 min
Jun 23, 8:16 PM CDT	Tornado Warning	FSD	Woodbury	34 min
Jun 23, 8:17 PM CDT	Tornado Warning	OAX	Monona	33 min
Jun 23, 8:18 PM CDT	Severe Thunderstorm Warning	GID	Nance	37 min
Jun 23, 8:19 PM CDT	Severe Thunderstorm Warning	OAX	Platte	66 min
Jun 23, 8:23 PM CDT	Tornado Warning	FSD	Plymouth	32 min
Jun 23, 8:24 PM CDT	Severe Thunderstorm Warning	OAX	Butler, Saline, Seward	61 min
Jun 23, 8:26 PM CDT	Tornado Warning	OAX	Burt, Washington	49 min
Jun 23, 8:28 PM CDT	Severe Thunderstorm Warning	ICT	Russell	47 min
Jun 23, 8:30 PM CDT	Severe Thunderstorm Warning	TOP	Cloud, Republic	40 min
Jun 23, 8:31 PM CDT	Severe Thunderstorm Warning	OAX	Cedar	49 min
Jun 23, 8:32 PM CDT	Severe Thunderstorm Warning	GID	Mitchell, Osborne	48 min
Jun 23, 8:41 PM CDT	Severe Thunderstorm Warning	GID	Polk	49 min
Jun 23, 8:43 PM CDT	Tornado Warning	OAX	Dodge	32 min
Jun 23, 8:48 PM CDT	Severe Thunderstorm Warning	OAX	Lancaster, Saunders	62 min
Jun 23, 8:50 PM CDT	Tornado Warning	GID	Mitchell	25 min
Jun 23, 8:51 PM CDT	Severe Thunderstorm Warning	FSD	Woodbury	34 min
Jun 23, 8:53 PM CDT	Severe Thunderstorm Warning	OAX	Cuming	47 min
Jun 23, 8:57 PM CDT	Severe Thunderstorm Warning	OAX	Monona	48 min
Jun 23, 8:57 PM CDT	Tornado Warning	TOP	Cloud	48 min
Jun 23, 9:01 PM CDT	Severe Thunderstorm Warning	FSD	Dixon	49 min
Jun 23, 9:06 PM CDT	Severe Thunderstorm Warning	ICT	Lincoln	54 min
Jun 23, 9:09 PM CDT	Tornado Warning	OAX	Platte	36 min
Jun 23, 9:14 PM CDT	Severe Thunderstorm Warning	OAX	Burt, Dodge, Washington	61 min
Jun 23, 9:16 PM CDT	Severe Thunderstorm Warning	GID	Mitchell	44 min
Jun 23, 9:17 PM CDT	Severe Thunderstorm Warning	ICT	Lincoln	43 min
Jun 23, 9:19 PM CDT	Flash Flood Warning	OAX	Cuming, Dodge	5 hr
Jun 23, 9:22 PM CDT	Severe Thunderstorm Warning	OAX	Colfax	48 min
Jun 23, 9:32 PM CDT	Severe Thunderstorm Warning	FSD	Union	33 min
Jun 23, 9:39 PM CDT	Severe Thunderstorm Warning	OAX	Cuming, Stanton	61 min
Jun 23, 9:41 PM CDT	Severe Thunderstorm Warning	OAX	Monona	64 min
Jun 23, 9:45 PM CDT	Tornado Warning	TOP	Cloud	45 min
Jun 23, 9:52 PM CDT	Tornado Warning	TOP	Ottawa	48 min
Jun 23, 9:53 PM CDT	Flash Flood Warning	OAX	Burt	6 hr
Jun 23, 9:55 PM CDT	Flash Flood Warning	FSD	Woodbury	3 hr
Jun 23, 10:05 PM CDT	Tornado Warning	OAX	Washington	35 min
Jun 23, 10:11 PM CDT	Severe Thunderstorm Warning	OAX	Burt	64 min
Jun 23, 10:21 PM CDT	Tornado Warning	OAX	Harrison, Monona	29 min
Jun 23, 10:23 PM CDT	Tornado Warning	TOP	Clay	37 min
Jun 23, 10:26 PM CDT	Severe Thunderstorm Warning	OAX	Cedar	34 min
Jun 23, 10:35 PM CDT	Severe Thunderstorm Warning	OAX	Gage	45 min
Jun 23, 10:48 PM CDT	Severe Thunderstorm Warning	TOP	Cloud, Republic	37 min
Jun 23, 11:11 PM CDT	Severe Thunderstorm Warning	TOP	Washington	44 min
Jun 23, 11:12 PM CDT	Flash Flood Warning	OAX	Monona	7 hr
Jun 23, 11:40 PM CDT	Severe Thunderstorm Warning	TOP	Marshall	45 min
Jun 23, 11:53 PM CDT	Severe Thunderstorm Warning	TOP	Washington	32 min
Jun 24, 12:22 AM CDT	Severe Thunderstorm Warning	TOP	Marshall	43 min
Jun 24, 12:37 AM CDT	Severe Thunderstorm Warning	OAX	Pawnee	48 min
Jun 24, 12:43 AM CDT	Severe Thunderstorm Warning	TOP	Nemaha	27 min

The nearest sounding before it

N. Platte/Lee Bi, NE (KLBF), launched 00:00Z, 0.3 hours before the alert went out and 247 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: 1938 J/kg
Mixed-layer CIN: -9 J/kg
Mixed-layer LCL: 1197 m above ground
0-6 km bulk shear: 28 kt
0-1 km storm-relative helicity: 61 m²/s²
0-3 km storm-relative helicity: 147 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 2.7

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, 7:30 PM CDT	Tornado Watch	SPC	Boone, Buena Vista, Calhoun, Carroll, Cerro Gordo, Cherokee and 31 more	6 hr
Jun 23, 11:30 PM CDT	Severe Thunderstorm Watch	SPC	Adair, Adams, Appanoose, Audubon, Cass, Clarke and 23 more	6 hr
Jun 24, 12:00 AM CDT	Severe Thunderstorm Watch	SPC	Allamakee, Benton, Black Hawk, Bremer, Buchanan, Cedar and 29 more	6 hr
Jun 24, 6:30 PM CDT	Tornado Watch	SPC	Buena Vista, Cherokee, Clay, Crawford, Dickinson, Ida and 8 more	7 hr
Jun 24, 4:00 PM CDT	Severe Thunderstorm Watch	SPC	Arthur, Banner, Blaine, Box Butte, Boyd, Brown and 28 more	6 hr
Jun 24, 4:30 PM CDT	Severe Thunderstorm Watch	SPC	Bennett, Brule, Buffalo, Butte, Campbell, Charles Mix and 28 more	6 hr

Nearby

Tornado Watches in Nebraska, 1998 Tornado Watches in Kansas, 1998 Tornado Watches in Iowa, 1998 Every tornado watch in 1998

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.