Alert archive / Nebraska / Severe Thunderstorm Watches in 2001

Severe Thunderstorm Watch 345

June 1, 20014 states

The Storm Prediction Center issued this severe thunderstorm watch at Jun 1, 2001, 2:00 PM CDT for 4 states. It was in force for 5 hr.

The area

The outline as issued.

The facts

Issued
Jun 1, 2001, 2:00 PM CDT (19:00 UTC)
Expired
Jun 1, 2001, 7:00 PM CDT
In force
5 hr
Issued by
the Storm Prediction Center
All 45 counties

Fremont County, IA, Mills County, IA, Brown County, KS, Clay County, KS, Cloud County, KS, Doniphan County, KS, Ellis County, KS, Jewell County, KS, Lincoln County, KS, Marshall County, KS, Mitchell County, KS, Nemaha County, KS, Osborne County, KS, Phillips County, KS, Republic County, KS, Rooks County, KS, Smith County, KS, Washington County, KS, Atchison County, MO, Holt County, MO, Adams County, NE, Cass County, NE, Clay County, NE, Fillmore County, NE, Franklin County, NE, Furnas County, NE, Gage County, NE, Hamilton County, NE, Harlan County, NE, Jefferson County, NE, Johnson County, NE, Kearney County, NE, Lancaster County, NE, Nemaha County, NE, Nuckolls County, NE, Otoe County, NE, Pawnee County, NE, Phelps County, NE, Richardson County, NE, Saline County, NE, Sarpy County, NE, Seward County, NE, Thayer County, NE, Webster County, NE, York County, NE

Warnings issued inside it

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

IssuedProductOfficeCountiesLasted
Jun 1, 2:33 PM CDTSevere Thunderstorm WarningGIDFillmore27 min
Jun 1, 3:54 PM CDTSevere Thunderstorm WarningOAXPawnee36 min
Jun 1, 3:58 PM CDTSevere Thunderstorm WarningOAXGage32 min
Jun 1, 4:08 PM CDTSevere Thunderstorm WarningTOPNemaha37 min
Jun 1, 4:09 PM CDTSevere Thunderstorm WarningTOPMarshall36 min
Jun 1, 4:44 PM CDTSevere Thunderstorm WarningTOPMarshall, Nemaha46 min
Jun 1, 4:52 PM CDTSevere Thunderstorm WarningTOPBrown38 min

The nearest sounding before it

Omaha, NE (KOAX), launched 12:00Z, 7.0 hours before the alert went out and 190 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 12:00Z on 2001-06-01Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 7 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 12:00Z on 2001-06-01The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 141 square meters per square second.19395878Sfc1 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
7 J/kg
Mixed-layer CIN
-224 J/kg
Mixed-layer LCL
1233 m above ground
0-6 km bulk shear
42 kt
0-1 km storm-relative helicity
141 m²/s²
0-3 km storm-relative helicity
167 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.

IssuedProductOfficeCountiesLasted
Jun 1, 1:30 PM CDTTornado WatchSPCAdair, Adams, Allamakee, Audubon, Benton, Black Hawk and 51 more6 hr
Jun 1, 3:30 PM CDTTornado WatchSPCAppanoose, Davis, Decatur, Des Moines, Henry, Jefferson and 11 more6 hr
Jun 1, 5:30 PM CDTTornado WatchSPCAppanoose, Benton, Cedar, Clinton, Davis, Des Moines and 22 more4 hr
Jun 1, 3:00 PM CDTTornado WatchSPCBarber, Barton, Clark, Comanche, Dickinson, Edwards and 28 more6 hr
Jun 1, 4:30 PM CDTTornado WatchSPCAllen, Anderson, Butler, Chase, Chautauqua, Coffey and 11 more6 hr
Jun 1, 6:30 PM CDTSevere Thunderstorm WatchSPCMiami6 hr

Nearby

Severe Thunderstorm Watches in Nebraska, 2001Severe Thunderstorm Watches in Kansas, 2001Severe Thunderstorm Watches in Iowa, 2001Every severe thunderstorm watch in 2001

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.