Alert archive / Nebraska / Tornado Watches in 2001

Tornado Watch 419

June 13, 20018 counties in Iowa; 34 counties in Nebraska; Union County, South Dakota

The Storm Prediction Center issued this tornado watch at Jun 13, 2001, 6:15 PM CDT for 8 counties in Iowa; 34 counties in Nebraska; Union County, South Dakota. It was in force for 6 hr.

The area

The outline as issued.

The facts

Issued
Jun 13, 2001, 6:15 PM CDT (23:15 UTC)
Expired
Jun 14, 2001, 12:00 AM CDT
In force
6 hr
Issued by
the Storm Prediction Center
All 43 counties

Buena Vista County, IA, Cherokee County, IA, Crawford County, IA, Harrison County, IA, Ida County, IA, Monona County, IA, Plymouth County, IA, Woodbury County, IA, 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, Hamilton County, NE, Jefferson County, NE, Johnson County, NE, Lancaster County, NE, Madison County, NE, Merrick County, NE, Nuckolls County, NE, Otoe 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, York County, NE, Union County, SD

Warnings issued inside it

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

IssuedProductOfficeCountiesLasted
Jun 13, 6:16 PM CDTSevere Thunderstorm WarningOAXCuming, Stanton29 min
Jun 13, 6:17 PM CDTSevere Thunderstorm WarningFSDWoodbury28 min
Jun 13, 6:26 PM CDTSevere Thunderstorm WarningOAXColfax49 min
Jun 13, 6:26 PM CDTTornado WarningOAXCuming, Stanton34 min
Jun 13, 6:29 PM CDTSevere Thunderstorm WarningGIDFillmore, York46 min
Jun 13, 6:33 PM CDTSevere Thunderstorm WarningOAXThurston, Wayne27 min
Jun 13, 6:35 PM CDTSevere Thunderstorm WarningFSDDixon25 min
Jun 13, 6:36 PM CDTSevere Thunderstorm WarningFSDPlymouth24 min
Jun 13, 6:39 PM CDTTornado WarningGIDFillmore, York36 min
Jun 13, 6:45 PM CDTSevere Thunderstorm WarningFSDWoodbury30 min
Jun 13, 6:54 PM CDTSevere Thunderstorm WarningOAXSaline, Seward51 min
Jun 13, 6:54 PM CDTSevere Thunderstorm WarningOAXButler, Colfax51 min
Jun 13, 6:57 PM CDTTornado WarningOAXCuming, Thurston, Wayne33 min
Jun 13, 6:59 PM CDTSevere Thunderstorm WarningFSDLincoln, Union31 min
Jun 13, 7:08 PM CDTTornado WarningOAXColfax22 min
Jun 13, 7:08 PM CDTTornado WarningOAXCuming37 min
Jun 13, 7:10 PM CDTSevere Thunderstorm WarningFSDPlymouth35 min
Jun 13, 7:23 PM CDTSevere Thunderstorm WarningGIDThayer52 min
Jun 13, 7:24 PM CDTTornado WarningOAXSeward36 min
Jun 13, 7:27 PM CDTTornado WarningOAXThurston, Wayne33 min
Jun 13, 7:37 PM CDTTornado WarningGIDThayer23 min
Jun 13, 7:42 PM CDTTornado WarningOAXCuming48 min
Jun 13, 7:43 PM CDTSevere Thunderstorm WarningFSDWoodbury32 min
Jun 13, 7:45 PM CDTSevere Thunderstorm WarningFSDPlymouth45 min
Jun 13, 7:48 PM CDTSevere Thunderstorm WarningGIDFillmore42 min
Jun 13, 7:48 PM CDTSevere Thunderstorm WarningOAXColfax, Dodge27 min
Jun 13, 7:56 PM CDTTornado WarningGIDFillmore34 min
Jun 13, 7:59 PM CDTSevere Thunderstorm WarningGIDThayer46 min
Jun 13, 8:00 PM CDTTornado WarningOAXSeward45 min
Jun 13, 8:14 PM CDTSevere Thunderstorm WarningFSDWoodbury31 min
Jun 13, 8:17 PM CDTTornado WarningOAXButler, Lancaster, Saunders, Seward43 min
Jun 13, 8:26 PM CDTSevere Thunderstorm WarningFSDPlymouth34 min
Jun 13, 8:26 PM CDTSevere Thunderstorm WarningOAXCuming, Thurston, Wayne34 min
Jun 13, 8:34 PM CDTSevere Thunderstorm WarningGIDFillmore41 min
Jun 13, 8:39 PM CDTTornado WarningGIDThayer36 min
Jun 13, 8:42 PM CDTSevere Thunderstorm WarningGIDYork48 min
Jun 13, 8:44 PM CDTTornado WarningOAXCuming31 min
Jun 13, 8:49 PM CDTSevere Thunderstorm WarningOAXButler31 min
Jun 13, 8:50 PM CDTSevere Thunderstorm WarningFSDCherokee25 min
Jun 13, 8:58 PM CDTTornado WarningOAXSaunders32 min
Jun 13, 8:59 PM CDTTornado WarningOAXJefferson46 min
Jun 13, 9:04 PM CDTSevere Thunderstorm WarningOAXThurston26 min
Jun 13, 9:09 PM CDTTornado WarningGIDFillmore36 min
Jun 13, 9:09 PM CDTSevere Thunderstorm WarningOAXSeward21 min
Jun 13, 9:11 PM CDTTornado WarningGIDThayer34 min
Jun 13, 9:13 PM CDTSevere Thunderstorm WarningOAXColfax32 min
Jun 13, 9:18 PM CDTSevere Thunderstorm WarningFSDWoodbury27 min
Jun 13, 9:18 PM CDTSevere Thunderstorm WarningOAXButler27 min
Jun 13, 9:25 PM CDTSevere Thunderstorm WarningGIDYork50 min
Jun 13, 9:27 PM CDTTornado WarningOAXDodge, Douglas, Saunders33 min
Jun 13, 9:27 PM CDTTornado WarningOAXWashington33 min
Jun 13, 9:29 PM CDTSevere Thunderstorm WarningFSDUnion31 min
Jun 13, 9:30 PM CDTTornado WarningGIDYork30 min
Jun 13, 9:39 PM CDTTornado WarningOAXJefferson51 min
Jun 13, 9:46 PM CDTSevere Thunderstorm WarningFSDCherokee, Ida, Woodbury29 min
Jun 13, 9:46 PM CDTSevere Thunderstorm WarningGIDFillmore44 min
Jun 13, 9:58 PM CDTTornado WarningFSDCherokee, Ida32 min
Jun 13, 9:58 PM CDTSevere Thunderstorm WarningGIDThayer32 min
Jun 13, 10:01 PM CDTSevere Thunderstorm WarningGIDYork44 min
Jun 13, 10:03 PM CDTSevere Thunderstorm WarningOAXDodge, Saunders42 min
Jun 13, 10:04 PM CDTTornado WarningGIDThayer26 min
Jun 13, 10:10 PM CDTSevere Thunderstorm WarningOAXHarrison, Monona35 min
Jun 13, 10:10 PM CDTSevere Thunderstorm WarningOAXSeward35 min
Jun 13, 10:20 PM CDTSevere Thunderstorm WarningGIDAdams, Webster40 min
Jun 13, 10:22 PM CDTSevere Thunderstorm WarningFSDBuena Vista38 min
Jun 13, 10:25 PM CDTSevere Thunderstorm WarningFSDIda20 min
Jun 13, 10:28 PM CDTTornado WarningOAXJefferson, Saline32 min
Jun 13, 10:43 PM CDTSevere Thunderstorm WarningGIDFillmore, Thayer32 min
Jun 13, 10:44 PM CDTSevere Thunderstorm WarningFSDIda31 min
Jun 13, 10:45 PM CDTTornado WarningGIDFillmore, Thayer30 min
Jun 13, 10:48 PM CDTSevere Thunderstorm WarningOAXHarrison, Monona42 min
Jun 13, 10:50 PM CDTSevere Thunderstorm WarningDMXCrawford25 min
Jun 13, 10:59 PM CDTTornado WarningOAXJefferson, Saline46 min
Jun 13, 11:02 PM CDTSevere Thunderstorm WarningGIDClay43 min
Jun 13, 11:19 PM CDTSevere Thunderstorm WarningGIDNuckolls41 min
Jun 13, 11:24 PM CDTSevere Thunderstorm WarningGIDFillmore66 min
Jun 13, 11:25 PM CDTSevere Thunderstorm WarningFSDBuena Vista20 min
Jun 13, 11:25 PM CDTTornado WarningGIDClay35 min
Jun 13, 11:36 PM CDTTornado WarningGIDFillmore39 min
Jun 13, 11:45 PM CDTSevere Thunderstorm WarningOAXSaline, Seward45 min

The nearest sounding before it

Omaha, NE (KOAX), launched 12:00Z, 11.3 hours before the alert went out and 66 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 2001-06-13Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1987 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 2001-06-13The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 258 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
1987 J/kg
Mixed-layer CIN
-329 J/kg
Mixed-layer LCL
1085 m above ground
0-6 km bulk shear
29 kt
0-1 km storm-relative helicity
258 m²/s²
0-3 km storm-relative helicity
317 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

000 
WWUS9 KMKC 132255
SEL9  

SEL9  
MKC WW 132251
IAZ000-NEZ000-140500-

URGENT - IMMEDIATE BROADCAST REQUESTED
TORNADO WATCH NUMBER 419
STORM PREDICTION CENTER NORMAN OK
551 PM CDT WED JUN 13 2001

THE STORM PREDICTION CENTER HAS ISSUED A
TORNADO WATCH FOR PORTIONS OF

   WESTERN IOWA                               
   EASTERN NEBRASKA                           

EFFECTIVE THIS WEDNESDAY NIGHT AND THURSDAY MORNING FROM 615 PM
UNTIL MIDNIGHT CDT.

TORNADOES...HAIL TO 3 INCHES IN DIAMETER...THUNDERSTORM WIND GUSTS
TO 80 MPH...AND DANGEROUS LIGHTNING ARE POSSIBLE IN THESE AREAS.

THE TORNADO WATCH AREA IS ALONG AND 60 STATUTE MILES EAST AND WEST
OF A LINE FROM 40 MILES WEST SOUTHWEST OF BEATRICE NEBRASKA TO 35
MILES NORTH NORTHEAST OF SIOUX CITY IOWA.

REMEMBER...A TORNADO WATCH MEANS CONDITIONS ARE FAVORABLE FOR
TORNADOES AND SEVERE THUNDERSTORMS IN AND CLOSE TO THE WATCH AREA. 
PERSONS IN THESE AREAS SHOULD BE ON THE LOOKOUT FOR THREATENING
WEATHER CONDITIONS AND LISTEN FOR LATER STATEMENTS AND POSSIBLE
WARNINGS.

OTHER WATCH INFORMATION...  CONTINUE...WW 415...WW 416...WW 417...

DISCUSSION...THUNDERSTORMS DEVELOPING ALONG DRY LINE ACROSS ERN
NEB.  WITH VERY UNSTABLE AIRMASS...CAPES TO 5000 J/KG...AND
MODERATES DEEP LAYER SHEAR...SEVERE THUNDERSTORMS AND ISOLATED
TORNADIC SUPERCELLS ARE WILL FORM RAPIDLY.  DRY LINE EXPECTED TO
MOVE LITTLE THRU THE EVENING.


AVIATION...TORNADOES AND A FEW SEVERE THUNDERSTORMS WITH HAIL
SURFACE AND ALOFT TO 3 INCHES.  EXTREME TURBULENCE AND SURFACE WIND
GUSTS TO 70 KNOTS.  A FEW CUMULONIMBI WITH MAXIMUM TOPS TO 600. 
MEAN STORM MOTION VECTOR 22030.


...HALES

;400,0983 425,0971 425,0945 400,0961;

SPC that day

Everything else SPC issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Jun 13, 12:00 AM CDTTornado WatchSPCBuena Vista, Cherokee, Clay, Dickinson, Emmet, Humboldt and 10 more5 hr
Jun 13, 4:30 PM CDTTornado WatchSPCClay, Dickinson, Lyon, O'Brien, Osceola, Sioux5 hr
Jun 12, 7:30 PM CDTTornado WatchSPCBlaine, Box Butte, Brown, Cherry, Dawes, Grant and 6 more6 hr
Jun 13, 6:45 PM CDTSevere Thunderstorm WatchSPCAdams, Dundy, Franklin, Frontier, Furnas, Gosper and 6 more5 hr

Nearby

Tornado Watches in Nebraska, 2001Tornado Watches in Iowa, 2001Tornado Watches in South Dakota, 2001Every tornado 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.