Alert archive / Nebraska / Tornado Warnings in 2011

Tornado Warning 22, NWS Hastings, NE

May 19, 2011Nuckolls County, Nebraska

NWS Hastings, NE issued this tornado warning at May 19, 2011, 11:36 PM CDT for Nuckolls County, Nebraska. It was in force for 24 min. No storm report in the archive falls inside the area while it was in force.

The area

The outline as issued.

The facts

Issued
May 19, 2011, 11:36 PM CDT (04:36 UTC)
Expired
May 20, 2011, 12:00 AM CDT
In force
24 min
Issued by
NWS Hastings, NE
Area
Storm-based polygon

County Nuckolls County, NE

The radar

The Grand Island radar (KUEX), 41 km from the middle of the area, began a volume at 04:39 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.

The nearest sounding before it

Omaha, NE (KOAX), launched 00:00Z, 4.6 hours before the alert went out and 185 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 2011-05-20Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Omaha, NE at 00:00Z on 2011-05-20The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 91 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
942 m above ground
0-6 km bulk shear
42 kt
0-1 km storm-relative helicity
91 m²/s²
0-3 km storm-relative helicity
303 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.2

Open this sounding in Storm Lab

The text

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

321 
WFUS53 KGID 200436
TORGID
NEC129-200500-
/O.NEW.KGID.TO.W.0022.110520T0436Z-110520T0500Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE HASTINGS NE
1136 PM CDT THU MAY 19 2011

THE NATIONAL WEATHER SERVICE IN HASTINGS HAS ISSUED A

* TORNADO WARNING FOR...
  NUCKOLLS COUNTY IN SOUTH CENTRAL NEBRASKA...

* UNTIL MIDNIGHT CDT

* AT 1134 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO. THIS DANGEROUS
  STORM WAS LOCATED 5 MILES NORTH OF SUPERIOR...OR 37 MILES SOUTHEAST
  OF HASTINGS...AND MOVING NORTHEAST AT 30 MPH.

* LOCATIONS IMPACTED INCLUDE...
  NELSON...NORA...RUSKIN AND OAK.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

TAKE COVER NOW. MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF A
STURDY BUILDING. AVOID WINDOWS. IF IN A MOBILE HOME...A VEHICLE OR
OUTDOORS...MOVE TO THE CLOSEST SUBSTANTIAL SHELTER AND PROTECT
YOURSELF FROM FLYING DEBRIS.

&&

LAT...LON 4008 9782 4001 9811 4000 9818 4014 9825
      4035 9801 4035 9795 4036 9794 4035 9782
TIME...MOT...LOC 0436Z 226DEG 26KT 4011 9808
HAIL 1.00IN

$$
WESELY
3 follow-up statements
321 
WWUS53 KGID 200448
SVSGID

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE HASTINGS NE
1148 PM CDT THU MAY 19 2011

NEC129-200500-
/O.CON.KGID.TO.W.0022.000000T0000Z-110520T0500Z/
NUCKOLLS NE-
1148 PM CDT THU MAY 19 2011

...A TORNADO WARNING REMAINS IN EFFECT FOR NUCKOLLS COUNTY UNTIL
MIDNIGHT CDT...

AT 1143 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO.  THIS DANGEROUS 
STORM WAS LOCATED NEAR NORA...OR 40 MILES SOUTHEAST OF HASTINGS... 
OR 8 MILES NORTHEAST OF SUPERIOR...MOVING EAST AT 30 MPH.

LOCATIONS IMPACTED INCLUDE...
  RUSKIN

PRECAUTIONARY/PREPAREDNESS ACTIONS...

TORNADOES ARE DIFFICULT TO SEE AND CONFIRM AT NIGHT. TAKE COVER NOW.

&&

LAT...LON 4008 9782 4001 9811 4000 9818 4014 9825
      4035 9801 4035 9795 4036 9794 4035 9782
TIME...MOT...LOC 0446Z 251DEG 27KT 4011 9796
HAIL <.75IN

$$
WESELY
707 
WWUS53 KGID 200456
SVSGID

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE HASTINGS NE
1156 PM CDT THU MAY 19 2011

NEC129-200500-
/O.CON.KGID.TO.W.0022.000000T0000Z-110520T0500Z/
NUCKOLLS NE-
1156 PM CDT THU MAY 19 2011

...A TORNADO WARNING REMAINS IN EFFECT FOR SOUTHEASTERN NUCKOLLS
COUNTY UNTIL MIDNIGHT CDT...

AT 1153 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO.  THIS DANGEROUS
STORM WAS LOCATED NEAR NORA...OR 38 MILES SOUTHEAST OF HASTINGS...
MOVING NORTHEAST AT 30 MPH.

LOCATIONS IMPACTED INCLUDE...
  RUSKIN

PRECAUTIONARY/PREPAREDNESS ACTIONS...

TORNADOES ARE DIFFICULT TO SEE AND CONFIRM AT NIGHT. TAKE COVER NOW.

&&

LAT...LON 4014 9810 4025 9793 4029 9782 4008 9782
      4001 9811 4000 9818
TIME...MOT...LOC 0456Z 243DEG 27KT 4016 9791
HAIL <.75IN

$$
WESELY
811 
WWUS53 KGID 200459
SVSGID

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE HASTINGS NE
1159 PM CDT THU MAY 19 2011

NEC129-200509-
/O.EXP.KGID.TO.W.0022.000000T0000Z-110520T0500Z/
NUCKOLLS NE-
1159 PM CDT THU MAY 19 2011

...THE TORNADO WARNING FOR SOUTHEASTERN NUCKOLLS COUNTY WILL EXPIRE
AT MIDNIGHT CDT...

THE STORM WHICH PROMPTED THE WARNING HAS WEAKENED BELOW SEVERE
LIMITS...AND NO LONGER POSES AN IMMEDIATE THREAT TO LIFE OR PROPERTY.
 HOWEVER GUSTY WINDS ARE STILL POSSIBLE WITH THIS THUNDERSTORM.

LAT...LON 4014 9810 4025 9793 4029 9782 4008 9782
      4001 9811 4000 9818
TIME...MOT...LOC 0459Z 243DEG 27KT 4017 9788

$$
WESELY

The office that day

Everything else NWS Hastings, NE issued on the same UTC day.

IssuedProductOfficeCountiesLasted
May 19, 7:11 PM CDTSpecial Weather StatementGIDFillmore34 min
May 19, 7:18 PM CDTSpecial Weather StatementGIDAdams42 min
May 19, 7:37 PM CDTSpecial Weather StatementGIDThayer23 min
May 19, 9:15 PM CDTSevere Thunderstorm WarningGIDNuckolls, Webster45 min
May 19, 10:00 PM CDTSpecial Weather StatementGIDNuckolls30 min
May 19, 11:15 PM CDTSpecial Weather StatementGIDClay30 min
May 19, 11:17 PM CDTAreal Flood AdvisoryGIDClay, Nuckolls, Webster104 min
May 19, 11:31 PM CDTSpecial Weather StatementGIDNuckolls29 min
May 20, 12:23 AM CDTAreal Flood WarningGIDClay, Nuckolls, Webster12 hr
May 20, 2:08 AM CDTRiver Flood WarningGIDWebster12 hr
May 20, 2:42 AM CDTAreal Flood AdvisoryGIDFillmore, Thayer8 hr
May 20, 9:03 AM CDTRiver Flood WarningGIDNuckolls30 hr
May 20, 4:38 PM CDTAreal Flood AdvisoryGIDGreeley, Hall, Howard3 hr
May 20, 5:32 PM CDTSpecial Weather StatementGIDWebster28 min
May 20, 6:43 PM CDTAreal Flood AdvisoryGIDClay18 hr

Nearby

Tornado Warnings in Nebraska, 2011Every tornado warning in 2011Tornadoes in 2011

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.