Alert archive / Nebraska / Severe Thunderstorm Warnings in 2014

Severe Thunderstorm Warning 21, NWS Hastings, NE

May 7, 2014Dawson County, Gosper County, Nebraska

NWS Hastings, NE issued this severe thunderstorm warning at May 7, 2014, 7:40 PM CDT for Dawson County, Gosper County, Nebraska. It was in force for 35 min. 11 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 7, 2014, 7:40 PM CDT (00:40 UTC)
Expired
May 7, 2014, 8:15 PM CDT
In force
35 min
Issued by
NWS Hastings, NE
Area
Storm-based polygon
Hail
1.5 in
Wind
60.0 mph

Counties Dawson County, NE, Gosper County, NE

The radar

The Grand Island radar (KUEX), 132 km from the middle of the area, began a volume at 00:42 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 7, 7:45 PM CDTHAIL 1.53 Nne Cozad, NE1.5 INCH HAIL REPORTED AT THE INTERSECTION OF RD 422 AND 755
May 7, 7:45 PM CDTHAIL 1.56 Sse Cozad, NE1.5 INCH HAIL REPORTED AT THE INTERSECTION OF RD 422 AND 755. CORRECTION WAS FOR DISTANCE AND DIRECTION FROM COZAD.
May 7, 7:48 PM CDTHAIL 2.51 Nw Johnson Lake, NEHAIL BETWEEN PING PONG AND TENNIS BALL SIZE WAS REPORTED NEAR THE NORTHWEST CORNER OF THE LAKE.
May 7, 7:49 PM CDTHAIL 1.52 W Lexington, NEHAIL UP TO PING PONG BALLS SIZE REPORTED.
May 7, 7:50 PM CDTHAIL 1Lexington, NENICKEL TO QUARTER SIZE HAIL REPORTED ON WEST SIDE OF LEXINGTON.
May 7, 7:56 PM CDTHAIL 1.751 Sw Lexington, NEROTATING WALL CLOUD ALSO REPORTED.
May 7, 8:00 PM CDTTSTM WND DMG2 Se Lexington, NEPOWER POLE KNOCKED OVER AND DAMAGE REPORTED TO AN IRRIGATION WELL ENGINE SHED APPROXIMATELY ONE MILE EAST OF LEXINGTON AND ONE MILE NORTH OF INTERSTATE 80. TIME BASED ON RADAR.
May 7, 8:00 PM CDTHAIL 2.75Lexington, NE
May 7, 8:03 PM CDTHAIL 1.75Lexington, NE
May 7, 8:05 PM CDTTSTM WND DMG2 Ene Lexington, NELARGE COTTONWOOD TREE BLOWN OVER
May 7, 8:05 PM CDTHAIL 1.25Lexington, NE

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 7, 7:26 PM CDTSevere Thunderstorm WatchSPC4 hr

The nearest sounding before it

N. Platte/Lee Bi, NE (KLBF), launched 00:00Z, 0.7 hours before the alert went out and 72 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 2014-05-08Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 848 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 2014-05-08The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 40 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
848 J/kg
Mixed-layer CIN
-63 J/kg
Mixed-layer LCL
1435 m above ground
0-6 km bulk shear
64 kt
0-1 km storm-relative helicity
40 m²/s²
0-3 km storm-relative helicity
154 m²/s²
Significant tornado parameter
0.3
Supercell composite
3.7

Open this sounding in Storm Lab

The text

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

678 
WUUS53 KGID 080040
SVRGID
NEC047-073-080115-
/O.NEW.KGID.SV.W.0021.140508T0040Z-140508T0115Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE HASTINGS NE
740 PM CDT WED MAY 7 2014

THE NATIONAL WEATHER SERVICE IN HASTINGS HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  CENTRAL DAWSON COUNTY IN SOUTH CENTRAL NEBRASKA...
  NORTH CENTRAL GOSPER COUNTY IN SOUTH CENTRAL NEBRASKA...

* UNTIL 815 PM CDT

* AT 739 PM CDT...A SEVERE THUNDERSTORM WAS LOCATED NEAR EUSTIS...OR
  12 MILES SOUTHWEST OF LEXINGTON...MOVING NORTHEAST AT 15 MPH.

  HAZARD...PING PONG BALL SIZE HAIL AND 60 MPH WIND GUSTS. 

  SOURCE...RADAR INDICATED. 

  IMPACT...PEOPLE AND ANIMALS OUTDOORS WILL BE INJURED. EXPECT HAIL 
           DAMAGE TO ROOFS...SIDING...WINDOWS AND VEHICLES. EXPECT 
           WIND DAMAGE TO ROOFS...SIDING AND TREES. 

* LOCATIONS IMPACTED INCLUDE...
  LEXINGTON...COZAD...JOHNSON LAKE AND WILLOW ISLAND. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

THIS IS A DANGEROUS STORM. PREPARE IMMEDIATELY FOR LARGE DESTRUCTIVE
HAIL CAPABLE OF PRODUCING SIGNIFICANT DAMAGE. PEOPLE OUTSIDE SHOULD
MOVE TO A SHELTER...INSIDE A STRONG BUILDING AND AWAY FROM WINDOWS.

&&

LAT...LON 4088 9954 4061 9990 4063 9998 4070 9999
      4070 10009 4100 10013
TIME...MOT...LOC 0039Z 207DEG 13KT 4068 9994 

HAIL...1.50IN
WIND...60MPH

$$

BRYANT
1 follow-up statement
194 
WWUS53 KGID 080050
SVSGID

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE HASTINGS NE
750 PM CDT WED MAY 7 2014

NEC047-073-080115-
/O.CON.KGID.SV.W.0021.000000T0000Z-140508T0115Z/
DAWSON NE-GOSPER NE-
750 PM CDT WED MAY 7 2014

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 815 PM CDT
FOR CENTRAL DAWSON AND NORTH CENTRAL GOSPER COUNTIES...

AT 749 PM CDT...A SEVERE THUNDERSTORM WAS LOCATED OVER LEXINGTON...
MOVING NORTHEAST AT 35 MPH.

HAZARD...TENNIS BALL SIZE HAIL AND 60 MPH WIND GUSTS. 

SOURCE...TRAINED WEATHER SPOTTERS HAVE REPORTED TENNIS BALL SIZE 
		 HAIL WITH THIS STORM.

IMPACT...PEOPLE AND ANIMALS OUTDOORS WILL BE INJURED. EXPECT HAIL 
         DAMAGE TO ROOFS...SIDING...WINDOWS AND VEHICLES. EXPECT 
         WIND DAMAGE TO ROOFS...SIDING AND TREES. 

LOCATIONS IMPACTED INCLUDE...
LEXINGTON...COZAD AND JOHNSON LAKE. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

FOR YOUR PROTECTION MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF A
BUILDING.

THIS IS A DANGEROUS STORM. PREPARE IMMEDIATELY FOR LARGE DESTRUCTIVE
HAIL CAPABLE OF PRODUCING SIGNIFICANT DAMAGE. PEOPLE OUTSIDE SHOULD
MOVE TO A SHELTER...INSIDE A STRONG BUILDING AND AWAY FROM WINDOWS.

&&

LAT...LON 4088 9954 4065 9986 4070 9999 4097 9999
TIME...MOT...LOC 0049Z 229DEG 29KT 4077 9976 

HAIL...2.50IN
WIND...60MPH

$$

BRYANT

The office that day

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

IssuedProductOfficeCountiesLasted
May 7, 7:02 PM CDTSpecial Weather StatementGIDDawson28 min
May 7, 7:18 PM CDTSevere Thunderstorm WarningGIDDawson27 min
May 7, 7:54 PM CDTTornado WarningGIDDawson36 min
May 7, 8:10 PM CDTTornado WarningGIDBuffalo, Dawson35 min
May 7, 8:32 PM CDTTornado WarningGIDBuffalo, Dawson, Sherman28 min
May 7, 8:48 PM CDTSevere Thunderstorm WarningGIDHoward, Sherman42 min
May 7, 9:21 PM CDTSevere Thunderstorm WarningGIDGreeley, Howard39 min
May 7, 9:42 PM CDTSpecial Weather StatementGIDYork33 min
May 7, 10:03 PM CDTSpecial Weather StatementGIDYork27 min
May 7, 10:14 PM CDTSpecial Weather StatementGIDThayer31 min
May 8, 1:21 AM CDTSpecial Weather StatementGIDMerrick9 min
May 8, 1:24 AM CDTSpecial Weather StatementGIDYork21 min
May 8, 1:52 AM CDTSpecial Weather StatementGIDHamilton8 min
May 8, 2:08 AM CDTSpecial Weather StatementGIDHamilton22 min
May 8, 2:31 AM CDTSpecial Weather StatementGIDYork14 min

Nearby

Severe Thunderstorm Warnings in Nebraska, 2014Every severe thunderstorm warning in 2014

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.