Alert archive / Nebraska / Tornado Warnings in 2011

Tornado Warning 29, NWS Hastings, NE

May 30, 2011Dawson County, Nebraska

NWS Hastings, NE issued this tornado warning at May 30, 2011, 7:28 PM CDT for Dawson County, Nebraska. It was in force for 32 min. 2 reports came from inside the area while it was in force.

The area

The outline as issued, with what was reported inside it.

The facts

Issued
May 30, 2011, 7:28 PM CDT (00:28 UTC)
Expired
May 30, 2011, 8:00 PM CDT
In force
32 min
Issued by
NWS Hastings, NE
Area
Storm-based polygon

County Dawson County, NE

The radar

The North Platte radar (KLNX), 128 km from the middle of the area, began a volume at 00:29 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.

What was reported inside it

TimeReportWhereRemark
May 30, 7:28 PM CDTHAIL 15 Ne Cozad, NE
May 30, 7:52 PM CDTTSTM WND GST 752 N Cozad, NECHASER ESTIMATES 70 TO 75 MPH WIND GUSTS

Local storm reports filed while the alert was in force, from inside its polygon or its counties.

The watch it was issued in

The SPC watch in force over the same counties when this warning went out.

IssuedProductOfficeLasted
May 30, 2:08 PM CDTTornado WatchSPC7 hr

The nearest sounding before it

N. Platte/Lee Bi, NE (KLBF), launched 00:00Z, 0.5 hours before the alert went out and 60 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, N. Platte/Lee Bi, NE at 00:00Z on 2011-05-31Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 634 joules per kilogram.LCLLFCEL10008507005003002001001 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, N. Platte/Lee Bi, NE at 00:00Z on 2011-05-31The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 18 square meters per square second.1939587897Sfc1 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
634 J/kg
Mixed-layer CIN
-231 J/kg
Mixed-layer LCL
2144 m above ground
0-6 km bulk shear
79 kt
0-1 km storm-relative helicity
18 m²/s²
0-3 km storm-relative helicity
144 m²/s²
Significant tornado parameter
0.0
Supercell composite
-1.1

Open this sounding in Storm Lab

The text

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

678 
WFUS53 KGID 310028
TORGID
NEC047-310100-
/O.NEW.KGID.TO.W.0029.110531T0028Z-110531T0100Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE HASTINGS NE
728 PM CDT MON MAY 30 2011

THE NATIONAL WEATHER SERVICE IN HASTINGS HAS ISSUED A

* TORNADO WARNING FOR...
  WESTERN DAWSON COUNTY IN SOUTH CENTRAL NEBRASKA...

* UNTIL 800 PM CDT

* AT 724 PM CDT...TRAINED WEATHER SPOTTERS REPORTED A TORNADO NEAR
  COZAD...OR 14 MILES NORTHWEST OF LEXINGTON. DOPPLER RADAR SHOWED
  THIS TORNADO MOVING EAST AT 25 MPH.

* LOCATIONS IMPACTED INCLUDE...
  EDDYVILLE.

THIS INCLUDES INTERSTATE 80 BETWEEN MILE MARKERS 217 AND 230.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

TO REPEAT...A TORNADO IS ON THE GROUND. 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 4105 10004 4104 9959 4070 9994 4070 10016
TIME...MOT...LOC 0028Z 249DEG 23KT 4088 9994
HAIL 1.50IN

$$
WESELY
3 follow-up statements
547 
WWUS53 KGID 310035
SVSGID

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE HASTINGS NE
735 PM CDT MON MAY 30 2011

NEC047-310100-
/O.CON.KGID.TO.W.0029.000000T0000Z-110531T0100Z/
DAWSON NE-
735 PM CDT MON MAY 30 2011

...A TORNADO WARNING REMAINS IN EFFECT FOR WESTERN DAWSON COUNTY
UNTIL 800 PM CDT...

AT 734 PM CDT...TRAINED WEATHER SPOTTERS REPORTED A TORNADO.  THIS
TORNADO WAS LOCATED 11 MILES SOUTH OF OCONTO...OR 15 MILES NORTH OF
LEXINGTON...MOVING NORTHEAST AT 40 MPH.

LOCATIONS IMPACTED INCLUDE...
  EDDYVILLE.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

TO REPEAT...A TORNADO IS ON THE GROUND. 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 4105 10004 4104 9959 4070 9994 4070 10016
TIME...MOT...LOC 0035Z 231DEG 36KT 4100 9983
HAIL 1.50IN

$$
WESELY
445 
WWUS53 KGID 310047
SVSGID

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE HASTINGS NE
747 PM CDT MON MAY 30 2011

NEC047-310100-
/O.CON.KGID.TO.W.0029.000000T0000Z-110531T0100Z/
DAWSON NE-
747 PM CDT MON MAY 30 2011

...A TORNADO WARNING REMAINS IN EFFECT FOR WESTERN DAWSON COUNTY
UNTIL 800 PM CDT...

AT 743 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO.  THIS DANGEROUS
STORM WAS LOCATED 6 MILES WEST OF EDDYVILLE...OR 16 MILES NORTH OF
LEXINGTON...MOVING NORTHEAST AT 40 MPH.

LOCATIONS IMPACTED INCLUDE...
  EDDYVILLE.

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 4105 10004 4104 9959 4070 9994 4070 10016
TIME...MOT...LOC 0047Z 240DEG 36KT 4102 9970
HAIL 1.50IN

$$
WESELY
531 
WWUS53 KGID 310056
SVSGID

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE HASTINGS NE
756 PM CDT MON MAY 30 2011

NEC047-310104-
/O.EXP.KGID.TO.W.0029.000000T0000Z-110531T0100Z/
DAWSON NE-
756 PM CDT MON MAY 30 2011

...THE TORNADO WARNING FOR WESTERN DAWSON COUNTY WILL EXPIRE AT 800
PM CDT...

THE TORNADO THREAT HAS DIMINISHED...THEREFORE THE TORNADO WARNING HAS
EXPIRED. HOWEVER...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT 
FOR THE AREA.

REMEMBER...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT FOR MUCH 
OF CENTRAL AND EASTERN DAWSON COUNTY

LAT...LON 4105 10004 4104 9959 4070 9994 4070 10016
TIME...MOT...LOC 0054Z 240DEG 36KT 4105 9962

$$

WESELY

The office that day

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

IssuedProductOfficeCountiesLasted
May 30, 7:02 PM CDTSevere Thunderstorm WarningGIDDawson43 min
May 30, 7:43 PM CDTSevere Thunderstorm WarningGIDBuffalo, Dawson, Gosper, Phelps47 min
May 30, 7:57 PM CDTSevere Thunderstorm WarningGIDFurnas, Harlan33 min
May 30, 8:05 PM CDTTornado WarningGIDBuffalo, Dawson25 min
May 30, 8:10 PM CDTSevere Thunderstorm WarningGIDGreeley, Howard, Sherman, Valley50 min
May 30, 8:11 PM CDTSevere Thunderstorm WarningGIDGreeley, Howard, Sherman, Valley49 min
May 30, 8:23 PM CDTSevere Thunderstorm WarningGIDBuffalo, Dawson, Franklin, Furnas, Harlan, Kearney and 1 more37 min
May 30, 8:38 PM CDTTornado WarningGIDBuffalo37 min
May 30, 8:57 PM CDTSevere Thunderstorm WarningGIDGreeley, Howard, Sherman, Valley48 min
May 30, 8:59 PM CDTSevere Thunderstorm WarningGIDAdams, Buffalo, Franklin, Hall, Harlan, Howard and 2 more46 min
May 30, 9:03 PM CDTTornado WarningGIDAdams, Kearney27 min
May 30, 9:20 PM CDTTornado WarningGIDFranklin, Webster25 min
May 30, 9:25 PM CDTTornado WarningGIDAdams, Clay23 min
May 30, 9:34 PM CDTSevere Thunderstorm WarningGIDHamilton, Merrick, Nance41 min
May 30, 9:36 PM CDTSevere Thunderstorm WarningGIDHamilton, Howard, Merrick, Nance39 min
May 30, 9:40 PM CDTSevere Thunderstorm WarningGIDAdams, Clay, Franklin, Hall, Hamilton, Kearney and 2 more50 min
May 30, 10:03 PM CDTSevere Thunderstorm WarningGIDHamilton, Merrick, Nance, Polk, York42 min
May 30, 10:24 PM CDTSevere Thunderstorm WarningGIDClay, Fillmore, Nuckolls, Thayer51 min
May 30, 10:34 PM CDTTornado WarningGIDFillmore, Nuckolls, Thayer26 min

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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.