Alert archive / Nebraska / Tornado Warnings in 2011

Tornado Warning 33, NWS Hastings, NE

May 30, 2011Franklin County, Webster County, Nebraska

NWS Hastings, NE issued this tornado warning at May 30, 2011, 9:20 PM CDT for Franklin County, Webster County, Nebraska. It was in force for 25 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 30, 2011, 9:20 PM CDT (02:20 UTC)
Expired: May 30, 2011, 9:45 PM CDT
In force: 25 min
Issued by: NWS Hastings, NE
Area: Storm-based polygon

Counties Franklin County, NE, Webster County, NE

The radar

The Grand Island radar (KUEX), 25 km from the middle of the area, began a volume at 02:20 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 watch it was issued in

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

Issued	Product	Office	Lasted
May 30, 8:37 PM CDT	Severe Thunderstorm Watch PDS	SPC	5 hr

The nearest sounding before it

N. Platte/Lee Bi, NE (KLBF), launched 00:00Z, 2.3 hours before the alert went out and 200 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-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

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.

536 
WFUS53 KGID 310220
TORGID
NEC061-181-310245-
/O.NEW.KGID.TO.W.0033.110531T0220Z-110531T0245Z/

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

THE NATIONAL WEATHER SERVICE IN HASTINGS HAS ISSUED A

* TORNADO WARNING FOR...
  EASTERN FRANKLIN COUNTY IN SOUTH CENTRAL NEBRASKA...
  WEBSTER COUNTY IN SOUTH CENTRAL NEBRASKA...

* UNTIL 945 PM CDT

* AT 915 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 5 MILES
  NORTHWEST OF CAMPBELL TO 6 MILES SOUTHWEST OF RIVERTON...AND MOVING
  EAST AT 60 MPH.

* LOCATIONS IMPACTED INCLUDE...
  INAVALE...BLADEN...RED CLOUD...BLUE HILL...COWLES...ROSEMONT AND
  GUIDE ROCK.

THIS STORM HAS A HISTORY OF PRODUCING 90 MPH WINDS IN ADDITION TO 
THE TORNADO THREAT. LARGE HAIL TO THE SIZE OF BASEBALLS IS ALSO 
POSSIBLE.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 4000 9886 4035 9884 4035 9827 4000 9827
TIME...MOT...LOC 0219Z 268DEG 50KT 4035 9873 4001 9873
HAIL 2.75IN

$$
WESELY

2 follow-up statements

470 
WWUS53 KGID 310240
SVSGID

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

NEC061-181-310245-
/O.CON.KGID.TO.W.0033.000000T0000Z-110531T0245Z/
FRANKLIN NE-WEBSTER NE-
940 PM CDT MON MAY 30 2011

...A TORNADO WARNING REMAINS IN EFFECT FOR WEBSTER AND EASTERN
FRANKLIN COUNTIES UNTIL 945 PM CDT...

AT 934 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 BLADEN TO 6
MILES SOUTH OF INAVALE...MOVING EAST AT 45 MPH.

LOCATIONS IMPACTED INCLUDE...
  RED CLOUD...BLUE HILL...COWLES...ROSEMONT AND GUIDE ROCK.

THE ROTATION ON RADAR HAS WEAKEND SOME...BUT ISOLATED TORNADOES 
CONTINUE TO BE POSSIBLE EMBEDDED WITHIN THIS LINE OF STORMS. IN 
ADDITION...THIS LINE OF STORMS HAS A HISTORY OF PRODUCING 80 TO 90 
MPH WIND.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 4000 9886 4035 9884 4035 9827 4000 9827
TIME...MOT...LOC 0238Z 266DEG 37KT 4036 9857 4002 9858
HAIL 1.50IN

$$
WESELY

562 
WWUS53 KGID 310245
SVSGID

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

NEC061-181-310254-
/O.EXP.KGID.TO.W.0033.000000T0000Z-110531T0245Z/
FRANKLIN NE-WEBSTER NE-
945 PM CDT MON MAY 30 2011

...THE TORNADO WARNING FOR WEBSTER AND EASTERN FRANKLIN COUNTIES WILL
EXPIRE AT 945 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 
FRANKLIN AND WEBSTER COUNTIES. ALTHOUGH THE TORNADO THREAT HAS 
DIMINISHED...STRONG 80 MPH WINDS WILL CONTINUE TO BE POSSIBLE WITH 
THIS LINE OF STORM.

LAT...LON 4000 9886 4035 9884 4035 9827 4000 9827
TIME...MOT...LOC 0244Z 266DEG 37KT 4036 9849 4002 9850

$$
WESELY

The office that day

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

Issued	Product	Office	Counties	Lasted
May 30, 7:02 PM CDT	Severe Thunderstorm Warning	GID	Dawson	43 min
May 30, 7:28 PM CDT	Tornado Warning	GID	Dawson	32 min
May 30, 7:43 PM CDT	Severe Thunderstorm Warning	GID	Buffalo, Dawson, Gosper, Phelps	47 min
May 30, 7:57 PM CDT	Severe Thunderstorm Warning	GID	Furnas, Harlan	33 min
May 30, 8:05 PM CDT	Tornado Warning	GID	Buffalo, Dawson	25 min
May 30, 8:10 PM CDT	Severe Thunderstorm Warning	GID	Greeley, Howard, Sherman, Valley	50 min
May 30, 8:11 PM CDT	Severe Thunderstorm Warning	GID	Greeley, Howard, Sherman, Valley	49 min
May 30, 8:23 PM CDT	Severe Thunderstorm Warning	GID	Buffalo, Dawson, Franklin, Furnas, Harlan, Kearney and 1 more	37 min
May 30, 8:38 PM CDT	Tornado Warning	GID	Buffalo	37 min
May 30, 8:57 PM CDT	Severe Thunderstorm Warning	GID	Greeley, Howard, Sherman, Valley	48 min
May 30, 8:59 PM CDT	Severe Thunderstorm Warning	GID	Adams, Buffalo, Franklin, Hall, Harlan, Howard and 2 more	46 min
May 30, 9:03 PM CDT	Tornado Warning	GID	Adams, Kearney	27 min
May 30, 9:25 PM CDT	Tornado Warning	GID	Adams, Clay	23 min
May 30, 9:34 PM CDT	Severe Thunderstorm Warning	GID	Hamilton, Merrick, Nance	41 min
May 30, 9:36 PM CDT	Severe Thunderstorm Warning	GID	Hamilton, Howard, Merrick, Nance	39 min
May 30, 9:40 PM CDT	Severe Thunderstorm Warning	GID	Adams, Clay, Franklin, Hall, Hamilton, Kearney and 2 more	50 min
May 30, 10:03 PM CDT	Severe Thunderstorm Warning	GID	Hamilton, Merrick, Nance, Polk, York	42 min
May 30, 10:24 PM CDT	Severe Thunderstorm Warning	GID	Clay, Fillmore, Nuckolls, Thayer	51 min
May 30, 10:34 PM CDT	Tornado Warning	GID	Fillmore, Nuckolls, Thayer	26 min

Nearby

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