Alert archive / Nebraska / Tornado Warnings in 2011

Tornado Warning 34, NWS Hastings, NE

May 30, 2011Adams County, Clay County, Nebraska

NWS Hastings, NE issued this tornado warning at May 30, 2011, 9:25 PM CDT for Adams County, Clay County, Nebraska. It was in force for 23 min. 1 report 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, 9:25 PM CDT (02:25 UTC)
Expired
May 30, 2011, 9:48 PM CDT
In force
23 min
Issued by
NWS Hastings, NE
Area
Storm-based polygon

Counties Adams County, NE, Clay County, NE

The radar

The Grand Island radar (KUEX), 17 km from the middle of the area, began a volume at 02:25 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, 9:34 PM CDTTSTM WND GST 53Hastings Airport, NEPEAK WIND GUST SO FAR AT HASTINGS AIRPORT

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, 8:37 PM CDTSevere Thunderstorm Watch PDSSPC5 hr

The nearest sounding before it

Omaha, NE (KOAX), launched 00:00Z, 2.4 hours before the alert went out and 194 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 2011-05-31Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 2253 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 00:00Z on 2011-05-31The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 230 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
2253 J/kg
Mixed-layer CIN
-150 J/kg
Mixed-layer LCL
998 m above ground
0-6 km bulk shear
45 kt
0-1 km storm-relative helicity
230 m²/s²
0-3 km storm-relative helicity
331 m²/s²
Significant tornado parameter
1.0
Supercell composite
4.9

Open this sounding in Storm Lab

The text

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

659 
WFUS53 KGID 310225
TORGID
NEC001-035-310300-
/O.NEW.KGID.TO.W.0034.110531T0225Z-110531T0300Z/

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

THE NATIONAL WEATHER SERVICE IN HASTINGS HAS ISSUED A

* TORNADO WARNING FOR...
  ADAMS COUNTY IN SOUTH CENTRAL NEBRASKA...
  WESTERN CLAY COUNTY IN SOUTH CENTRAL NEBRASKA...

* UNTIL 1000 PM CDT

* AT 920 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 6 MILES
  SOUTH OF SHELTON TO CAMPBELL...AND MOVING EAST AT 55 MPH.

* LOCATIONS IMPACTED INCLUDE...
  HASTINGS...PROSSER...ROSELAND...JUNIATA...AYR...HANSEN...
  TRUMBULL...GLENVIL AND INLAND.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 4035 9825 4035 9872 4070 9872 4070 9818
      4035 9817
TIME...MOT...LOC 0225Z 269DEG 49KT 4070 9863 4036 9863
HAIL 1.75IN

$$
WESELY
2 follow-up statements
971 
WWUS53 KGID 310235
SVSGID

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

NEC001-035-310300-
/O.CON.KGID.TO.W.0034.000000T0000Z-110531T0300Z/
CLAY NE-ADAMS NE-
935 PM CDT MON MAY 30 2011

...A TORNADO WARNING REMAINS IN EFFECT FOR ADAMS AND WESTERN CLAY
COUNTIES UNTIL 1000 PM CDT...

AT 929 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 PROSSER TO
BLADEN...MOVING EAST AT 55 MPH.

LOCATIONS IMPACTED INCLUDE...
  HASTINGS...AYR...HANSEN...TRUMBULL...GLENVIL AND INLAND.

IN ADDITION TO POSSIBLE ISOLATED TORNADOES...STRONG 90 MPH WINDS 
HAVE BEEN REPORTED WITH THIS LINE OF STORMS.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 4035 9825 4035 9872 4070 9872 4070 9818
      4035 9817
TIME...MOT...LOC 0234Z 269DEG 49KT 4070 9847 4036 9847
HAIL 1.50IN

$$
WESELY
241 
WWUS53 KGID 310248
SVSGID

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

NEC001-035-310256-
/O.CAN.KGID.TO.W.0034.000000T0000Z-110531T0300Z/
CLAY NE-ADAMS NE-
948 PM CDT MON MAY 30 2011

...THE TORNADO WARNING FOR ADAMS AND WESTERN CLAY COUNTIES IS
CANCELLED...

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

REMEMBER...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT FOR ADAMS 
AND CLAY COUNTIES. THIS STORM IS STILL CAPABLE OF PRODUCING 80 MPH 
WINDS.

LAT...LON 4035 9825 4035 9872 4070 9872 4070 9818
      4035 9817
TIME...MOT...LOC 0246Z 269DEG 49KT 4070 9825 4036 9826

$$

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, 8:38 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, 9:34 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.