Alert archive / Nebraska / Tornado Warnings in 2011

Tornado Warning 31, NWS Hastings, NE

May 30, 2011Buffalo County, Nebraska

NWS Hastings, NE issued this tornado warning at May 30, 2011, 8:38 PM CDT for Buffalo County, Nebraska. It was in force for 37 min. 4 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, 8:38 PM CDT (01:38 UTC)
Expired
May 30, 2011, 9:15 PM CDT
In force
37 min
Issued by
NWS Hastings, NE
Area
Storm-based polygon

County Buffalo County, NE

The radar

The Grand Island radar (KUEX), 76 km from the middle of the area, began a volume at 01:38 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, 8:47 PM CDTTSTM WND DMG5 N Amherst, NECHASER REPORTS LARGE GUSTNADO POSSIBLY 1/2 MILE WIDE WITH TIPPED OVER IRRIGATION SYSTEMS.
May 30, 8:51 PM CDTTSTM WND DMG1 N Kearney, NEPOWER FLASHES
May 30, 8:51 PM CDTNON-TSTM WND GST 70Ravenna, NE
May 30, 8:51 PM CDTTORNADO8 Ene Kearney, NEDELAYED REPORT OF LIKELY GUSTNADO ALONG LEADING EDGE OF STORM

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
May 30, 8:37 PM CDTSevere Thunderstorm Watch PDSSPC5 hr

The nearest sounding before it

N. Platte/Lee Bi, NE (KLBF), launched 00:00Z, 1.6 hours before the alert went out and 138 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°0°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.

704 
WFUS53 KGID 310138
TORGID
NEC019-310215-
/O.NEW.KGID.TO.W.0031.110531T0138Z-110531T0215Z/

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

THE NATIONAL WEATHER SERVICE IN HASTINGS HAS ISSUED A

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

* UNTIL 915 PM CDT

* AT 834 PM CDT...THE PUBLIC REPORTED A TORNADO NEAR RIVERDALE...OR
  10 MILES NORTH OF KEARNEY. DOPPLER RADAR SHOWED THIS TORNADO MOVING
  EAST AT 60 MPH.

* LOCATIONS IMPACTED INCLUDE...
  POOLE...RAVENNA AND GIBBON.

THIS INCLUDES INTERSTATE 80 BETWEEN MILE MARKERS 259 AND 291.

THIS LINE OF STORMS HAS A HISTORY OF 90 MPH WIND.

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 4104 9873 4070 9874 4066 9903 4068 9936
      4103 9936
TIME...MOT...LOC 0138Z 265DEG 52KT 4085 9906
HAIL 1.75IN

$$
WESELY
3 follow-up statements
319 
WWUS53 KGID 310150
SVSGID

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

NEC019-310215-
/O.CON.KGID.TO.W.0031.000000T0000Z-110531T0215Z/
BUFFALO NE-
850 PM CDT MON MAY 30 2011

...A TORNADO WARNING REMAINS IN EFFECT FOR BUFFALO COUNTY UNTIL 915
PM CDT...

AT 843 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
LINE OF SEVERE THUNDERSTORMS CAPABLE OF PRODUCING A TORNADO.  THESE
DANGEROUS STORMS WERE LOCATED ALONG A LINE EXTENDING FROM HAZARD TO
KEARNEY...MOVING EAST AT 60 MPH.

LOCATIONS IMPACTED INCLUDE...
  RAVENNA AND GIBBON.

AT 834 PM AN OFF DUTY NATIONAL WEATHER SERVICE EMPLOYEE REPORTED A 
90 MPH WIND IN THE TOWN OF RIVERDALE IN ASSOCIATION WITH A GUSTNADO 
JUST OUT AHEAD OF THE MAIN LINE OF STORMS.

AT 847 PM A LARGE GUSTNADO WAS TIPPING OVER PIVOTS 5 MILES NORTH OF 
AMHERST.

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 4104 9873 4070 9874 4066 9903 4068 9936
      4103 9936
TIME...MOT...LOC 0148Z 265DEG 52KT 4104 9896 4066 9898
HAIL 1.50IN

$$
WESELY
044 
WWUS53 KGID 310156
SVSGID

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

NEC019-310215-
/O.CON.KGID.TO.W.0031.000000T0000Z-110531T0215Z/
BUFFALO NE-
856 PM CDT MON MAY 30 2011

...A TORNADO WARNING REMAINS IN EFFECT FOR BUFFALO COUNTY UNTIL 915
PM CDT...

AT 852 PM CDT...TRAINED WEATHER SPOTTERS REPORTED A LINE OF TORNADO
PRODUCING STORMS.  THESE TORNADO PRODUCING STORMS WERE LOCATED ALONG
A LINE EXTENDING FROM RAVENNA TO 8 MILES SOUTHWEST OF GIBBON...MOVING
EAST AT 55 MPH.

LOCATIONS IMPACTED INCLUDE...
  GIBBON.

AT 845 PM CDT...TRAINED WEATHER SPOTTERS REPORTED POWER FLASHES 1 
MILE NORTH OF KEARNEY. THESE FLASHES ARE IN ASSOCIATION WITH STRONG 
DAMAGING WINDS IN EXCESS OF 90 MPH. THERE MAY ALSO BE TORNADOES 
EMBEDDED WITHIN THIS LINE OF STORMS.

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 4068 9932 4103 9925 4104 9873 4070 9874
      4066 9903
TIME...MOT...LOC 0154Z 269DEG 46KT 4103 9887 4065 9890
HAIL 1.50IN

$$
WESELY
482 
WWUS53 KGID 310211
SVSGID

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

NEC019-310220-
/O.EXP.KGID.TO.W.0031.000000T0000Z-110531T0215Z/
BUFFALO NE-
911 PM CDT MON MAY 30 2011

...THE TORNADO WARNING FOR BUFFALO COUNTY WILL EXPIRE AT 915 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 
EASTERN BUFFALO COUNTY UNTIL 945 PM. THIS STORM HAS A HISTORY OF 
PRODUCING WIDESPREAD WIND DAMAGE AND WIND GUSTS IN EXCESS OF 90 MPH.

LAT...LON 4068 9932 4103 9925 4104 9873 4070 9874
      4066 9903
TIME...MOT...LOC 0210Z 269DEG 46KT 4103 9860 4065 9863

$$
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, 7:28 PM CDTTornado WarningGIDDawson32 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, 8:57 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.