Alert archive / Nebraska / Severe Thunderstorm Warnings in 2012

Severe Thunderstorm Warning 2, NWS Hastings, NE

February 28, 2012Buffalo County, Kearney County, Phelps County, Nebraska

NWS Hastings, NE issued this severe thunderstorm warning at Feb 28, 2012, 6:14 PM CST for Buffalo County, Kearney County, Phelps County, Nebraska. It was in force for 31 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: Feb 28, 2012, 6:14 PM CST (00:14 UTC)
Expired: Feb 28, 2012, 6:45 PM CST
In force: 31 min
Issued by: NWS Hastings, NE
Area: Storm-based polygon
Hail: 0.75 in
Wind: 60.0 mph

Counties Buffalo County, NE, Kearney County, NE, Phelps County, NE

The radar

The Grand Island radar (KUEX), 74 km from the middle of the area, began a volume at 00:16 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

Time	Report	Where	Remark
Feb 28, 6:35 PM CST	TSTM WND GST 51	Kearney Airport, NE	DELAYED REPORT OF MEASURED GUST FROM TUESDAY EVENING

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.

Issued	Product	Office	Lasted
Feb 28, 3:53 PM CST	Tornado Watch	SPC	5 hr

The nearest sounding before it

N. Platte/Lee Bi, NE (KLBF), launched 00:00Z, 0.2 hours before the alert went out and 140 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: 0 J/kg
Mixed-layer CIN: No buoyant parcel
Mixed-layer LCL: 780 m above ground
0-6 km bulk shear: 50 kt
0-1 km storm-relative helicity: -186 m²/s²
0-3 km storm-relative helicity: 22 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

The text

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

292 
WUUS53 KGID 290014
SVRGID
NEC019-099-137-290045-
/O.NEW.KGID.SV.W.0002.120229T0014Z-120229T0045Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE HASTINGS NE
614 PM CST TUE FEB 28 2012

THE NATIONAL WEATHER SERVICE IN HASTINGS HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  BUFFALO COUNTY IN SOUTH CENTRAL NEBRASKA...
  NORTHERN KEARNEY COUNTY IN SOUTH CENTRAL NEBRASKA...
  NORTHEASTERN PHELPS COUNTY IN SOUTH CENTRAL NEBRASKA...

* UNTIL 645 PM CST

* AT 612 PM CST...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  LINE OF SEVERE THUNDERSTORMS CAPABLE OF PRODUCING DAMAGING WINDS IN
  EXCESS OF 60 MPH.  THESE STORMS WERE LOCATED ALONG A LINE EXTENDING
  FROM 6 MILES SOUTHWEST OF HAZARD TO 7 MILES SOUTHWEST OF PLEASANTON
  TO 7 MILES NORTH OF AXTELL...AND MOVING EAST AT 45 MPH. PENNY SIZE
  HAIL MAY ALSO ACCOMPANY THESE DAMAGING WINDS.

* LOCATIONS IMPACTED INCLUDE...
  KEARNEY...PLEASANTON...POOLE...RAVENNA...GIBBON...HEARTWELL AND
  SHELTON.

THIS INCLUDES INTERSTATE 80 BETWEEN MILE MARKERS 263 AND 292.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A TORNADO WATCH REMAINS IN EFFECT FOR THE WARNED AREA. TORNADOES CAN
DEVELOP QUICKLY FROM SEVERE THUNDERSTORMS. ALTHOUGH NOT IMMEDIATELY
LIKELY...IF A TORNADO IS SPOTTED...ACT QUICKLY AND MOVE TO A PLACE OF
SAFETY INSIDE A STURDY STRUCTURE...SUCH AS A BASEMENT OR SMALL
INTERIOR ROOM.

&&

LAT...LON 4105 9876 4090 9872 4056 9874 4046 9929
      4087 9927 4105 9930
TIME...MOT...LOC 0014Z 252DEG 38KT 4106 9915 4090 9914
          4059 9915
WIND...HAIL 60MPH 0.75IN

$$

WESELY

2 follow-up statements

546 
WWUS53 KGID 290026
SVSGID

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE HASTINGS NE
626 PM CST TUE FEB 28 2012

NEC099-137-290036-
/O.CAN.KGID.SV.W.0002.000000T0000Z-120229T0045Z/
KEARNEY NE-PHELPS NE-
626 PM CST TUE FEB 28 2012

...THE SEVERE THUNDERSTORM WARNING FOR NORTHEASTERN PHELPS AND
NORTHERN KEARNEY COUNTIES IS CANCELLED...

THE LINE OF STORMS WHICH PROMPTED THE WARNING HAS MOVED OUT OF THE 
WARNED AREA.

LAT...LON 4105 9876 4090 9872 4069 9874 4065 9899
      4066 9928 4086 9927 4105 9930
TIME...MOT...LOC 0026Z 252DEG 38KT 4110 9899 4094 9898
          4063 9899

$$

NEC019-290045-
/O.CON.KGID.SV.W.0002.000000T0000Z-120229T0045Z/
BUFFALO NE-
626 PM CST TUE FEB 28 2012

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT FOR BUFFALO COUNTY
UNTIL 645 PM CST...

AT 621 PM CST...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
LINE OF SEVERE THUNDERSTORMS CAPABLE OF PRODUCING DAMAGING WINDS IN
EXCESS OF 60 MPH.  THESE STORMS WERE LOCATED ALONG A LINE EXTENDING
FROM HAZARD TO PLEASANTON TO 6 MILES SOUTH OF KEARNEY...MOVING EAST
AT 45 MPH. PENNY SIZE HAIL MAY ALSO ACCOMPANY THESE DAMAGING WINDS.

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

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A TORNADO WATCH REMAINS IN EFFECT FOR THE WARNED AREA. TORNADOES CAN
DEVELOP QUICKLY FROM SEVERE THUNDERSTORMS. ALTHOUGH NOT IMMEDIATELY
LIKELY...IF A TORNADO IS SPOTTED ACT QUICKLY AND MOVE TO A PLACE OF
SAFETY INSIDE A STURDY STRUCTURE...SUCH AS A BASEMENT OR SMALL
INTERIOR ROOM.

&&

LAT...LON 4105 9876 4090 9872 4069 9874 4065 9899
      4066 9928 4086 9927 4105 9930
TIME...MOT...LOC 0026Z 252DEG 38KT 4110 9899 4094 9898
          4063 9899
WIND...HAIL 60MPH 0.75IN

$$

WESELY

633 
WWUS53 KGID 290039
SVSGID

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE HASTINGS NE
639 PM CST TUE FEB 28 2012

NEC019-290049-
/O.EXP.KGID.SV.W.0002.000000T0000Z-120229T0045Z/
BUFFALO NE-
639 PM CST TUE FEB 28 2012

...THE SEVERE THUNDERSTORM WARNING FOR BUFFALO COUNTY WILL EXPIRE AT
645 PM CST...

THE LINE OF STORMS WHICH PROMPTED THE WARNING HAS WEAKENED AND MOVED
OUT OF THE WARNED AREA.  HOWEVER GUSTY WINDS ARE STILL POSSIBLE WITH
THESE THUNDERSTORMS.

LAT...LON 4105 9876 4090 9872 4069 9874 4065 9899
      4066 9928 4086 9927 4105 9930
TIME...MOT...LOC 0039Z 252DEG 38KT 4114 9881 4098 9881
          4067 9882

$$

WESELY

The office that day

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

Issued	Product	Office	Counties	Lasted
Feb 28, 6:15 PM CST	Special Weather Statement	GID	Thayer	45 min
Feb 28, 6:19 PM CST	Special Weather Statement	GID	Sherman, Valley	26 min
Feb 28, 6:33 PM CST	Severe Thunderstorm Warning	GID	Hall, Howard	42 min
Feb 28, 6:48 PM CST	Special Weather Statement	GID	Greeley	27 min
Feb 28, 7:18 PM CST	Special Weather Statement	GID	Merrick, Nance	27 min
Feb 28, 7:24 PM CST	Severe Thunderstorm Warning	GID	Fillmore, Thayer	36 min
Feb 28, 7:37 PM CST	Special Weather Statement	GID	York	23 min
Feb 28, 9:37 PM CST	Wind Advisory	GID	Adams, Buffalo, Clay, Dawson, Fillmore, Franklin and 18 more	18 hr

Nearby

Severe Thunderstorm Warnings in Nebraska, 2012 Every severe thunderstorm warning in 2012

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.