Alert archive / Nebraska / Severe Thunderstorm Watches in 2000

Severe Thunderstorm Watch 391

May 29, 20005 counties in Iowa; 56 counties in Nebraska; Union County, South Dakota

The Storm Prediction Center issued this severe thunderstorm watch at May 29, 2000, 9:45 PM CDT for 5 counties in Iowa; 56 counties in Nebraska; Union County, South Dakota. It was in force for 5 hr.

The area

The outline as issued.

The facts

Issued
May 29, 2000, 9:45 PM CDT (02:45 UTC)
Expired
May 30, 2000, 3:00 AM CDT
In force
5 hr
Issued by
the Storm Prediction Center
All 62 counties

Cherokee County, IA, Harrison County, IA, Monona County, IA, Plymouth County, IA, Woodbury County, IA, Adams County, NE, Antelope County, NE, Boone County, NE, Buffalo 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, Franklin County, NE, Gage County, NE, Garfield County, NE, Greeley County, NE, Hall County, NE, Hamilton County, NE, Harlan County, NE, Holt County, NE, Howard County, NE, Jefferson County, NE, Johnson County, NE, Kearney County, NE, Knox County, NE, Lancaster County, NE, Madison County, NE, Merrick County, NE, Nance County, NE, Nemaha County, NE, Nuckolls County, NE, Otoe County, NE, Pawnee County, NE, Phelps County, NE, Pierce County, NE, Platte County, NE, Polk County, NE, Rock County, NE, Saline County, NE, Sarpy County, NE, Saunders County, NE, Seward County, NE, Sherman County, NE, Stanton County, NE, Thayer County, NE, Thurston County, NE, Valley County, NE, Washington County, NE, Wayne County, NE, Webster County, NE, Wheeler County, NE, York County, NE, Union County, SD

The radar

The Grand Island radar (KUEX), 104 km from the middle of the area, began a volume at 02:48 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

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

IssuedProductOfficeCountiesLasted
May 29, 9:46 PM CDTSevere Thunderstorm WarningOAXAntelope44 min
May 29, 10:09 PM CDTSevere Thunderstorm WarningGIDKearney, Phelps51 min
May 29, 10:15 PM CDTSevere Thunderstorm WarningGIDHall45 min
May 29, 10:16 PM CDTSevere Thunderstorm WarningOAXBoone44 min
May 29, 10:21 PM CDTSevere Thunderstorm WarningGIDGreeley, Howard, Merrick, Nance54 min
May 29, 10:25 PM CDTSevere Thunderstorm WarningOAXMadison, Platte45 min
May 29, 10:25 PM CDTSevere Thunderstorm WarningOAXPierce45 min
May 29, 10:26 PM CDTSevere Thunderstorm WarningOAXAntelope34 min
May 29, 10:33 PM CDTSevere Thunderstorm WarningGIDAdams, Hamilton57 min
May 29, 10:47 PM CDTSevere Thunderstorm WarningGIDClay, York58 min
May 29, 10:47 PM CDTSevere Thunderstorm WarningGIDPolk58 min
May 29, 10:59 PM CDTTornado WarningOAXPlatte46 min
May 29, 11:03 PM CDTSevere Thunderstorm WarningOAXButler, Colfax, Stanton42 min
May 29, 11:03 PM CDTSevere Thunderstorm WarningOAXSaline, Seward42 min
May 29, 11:03 PM CDTSevere Thunderstorm WarningOAXMadison42 min
May 29, 11:05 PM CDTSevere Thunderstorm WarningGIDFillmore, Nuckolls, Thayer55 min
May 29, 11:09 PM CDTSevere Thunderstorm WarningOAXCuming, Pierce, Wayne36 min
May 29, 11:10 PM CDTSevere Thunderstorm WarningGIDWebster50 min
May 29, 11:26 PM CDTSevere Thunderstorm WarningOAXLancaster, Saunders49 min
May 29, 11:26 PM CDTSevere Thunderstorm WarningOAXDodge49 min
May 29, 11:26 PM CDTSevere Thunderstorm WarningOAXLancaster, Saunders34 min
May 29, 11:26 PM CDTSevere Thunderstorm WarningOAXDodge34 min
May 29, 11:32 PM CDTSevere Thunderstorm WarningFSDDixon43 min
May 29, 11:38 PM CDTTornado WarningOAXCedar, Wayne52 min
May 29, 11:46 PM CDTSevere Thunderstorm WarningOAXBurt, Cuming, Dodge, Douglas, Washington59 min
May 29, 11:46 PM CDTSevere Thunderstorm WarningOAXSarpy59 min
May 29, 11:55 PM CDTSevere Thunderstorm WarningFSDDakota50 min
May 29, 11:57 PM CDTSevere Thunderstorm WarningOAXMonona63 min
May 30, 12:04 AM CDTSevere Thunderstorm WarningOAXCass, Otoe56 min
May 30, 12:04 AM CDTSevere Thunderstorm WarningOAXJohnson, Nemaha, Pawnee56 min
May 30, 12:04 AM CDTSevere Thunderstorm WarningOAXGage56 min
May 30, 12:09 AM CDTSevere Thunderstorm WarningOAXHarrison, Mills, Pottawattamie, Shelby66 min
May 30, 12:10 AM CDTSevere Thunderstorm WarningFSDPlymouth, Woodbury50 min

The nearest sounding before it

Omaha, NE (KOAX), launched 00:00Z, 2.8 hours before the alert went out and 137 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, Omaha, NE at 00:00Z on 2000-05-30Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1110 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, Omaha, NE at 00:00Z on 2000-05-30The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 69 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
1110 J/kg
Mixed-layer CIN
-152 J/kg
Mixed-layer LCL
2786 m above ground
0-6 km bulk shear
40 kt
0-1 km storm-relative helicity
69 m²/s²
0-3 km storm-relative helicity
223 m²/s²
Significant tornado parameter
0.0
Supercell composite
7.5

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.

IssuedProductOfficeCountiesLasted
May 30, 12:30 AM CDTSevere Thunderstorm WatchSPCAdair, Adams, Audubon, Boone, Buena Vista, Calhoun and 29 more5 hr

Nearby

Severe Thunderstorm Watches in Nebraska, 2000Severe Thunderstorm Watches in Iowa, 2000Severe Thunderstorm Watches in South Dakota, 2000Every 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.