Alert archive / Nebraska / Severe Thunderstorm Warnings in 2008

Severe Thunderstorm Warning 252, NWS Hastings, NE

June 20, 2008Dawson County, Nebraska

NWS Hastings, NE issued this severe thunderstorm warning at Jun 20, 2008, 6:03 PM CDT for Dawson County, Nebraska. It was in force for 42 min. 3 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
Jun 20, 2008, 6:03 PM CDT (23:03 UTC)
Expired
Jun 20, 2008, 6:45 PM CDT
In force
42 min
Issued by
NWS Hastings, NE
Area
Storm-based polygon

County Dawson County, NE

The radar

The North Platte radar (KLNX), 128 km from the middle of the area, began a volume at 23:04 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
Jun 20, 6:10 PM CDTHAIL 18 N Cozad, NEQUARTER SIZE HAIL FELL FOR 10 MINUTES. TIME ESTIMATED FROM RADAR.
Jun 20, 6:18 PM CDTHAIL 1.757 Nne Cozad, NEHAIL UP TO GOLF BALL SIZE FELL FOR AROUND 10 MINUTES...BREAKING WINDOW ON HOUSE AND DAMAGING SIDING. CONSIDERABLE CROP DAMAGE REPORTED IN THE AREA.
Jun 20, 6:30 PM CDTHAIL 0.884 Ne Cozad, NE

Local storm reports filed while the alert was in force, from inside its polygon or its counties.

The nearest sounding before it

N. Platte/Lee Bi, NE (KLBF), launched 12:00Z, 11.1 hours before the alert went out and 65 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 12:00Z on 2008-06-20Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 425 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, N. Platte/Lee Bi, NE at 12:00Z on 2008-06-20The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -7 square meters per square second.193958Sfc1 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
425 J/kg
Mixed-layer CIN
-93 J/kg
Mixed-layer LCL
1296 m above ground
0-6 km bulk shear
26 kt
0-1 km storm-relative helicity
-7 m²/s²
0-3 km storm-relative helicity
27 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.

000 
WUUS53 KGID 202303
SVRGID
NEC047-202345-
/O.NEW.KGID.SV.W.0252.080620T2303Z-080620T2345Z/

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE HASTINGS NE
603 PM CDT FRI JUN 20 2008

THE NATIONAL WEATHER SERVICE IN HASTINGS HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  CENTRAL DAWSON COUNTY IN SOUTH CENTRAL NEBRASKA
  THIS INCLUDES THE CITY OF LEXINGTON.

* UNTIL 645 PM CDT

* AT 601 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM PRODUCING QUARTER SIZE HAIL...AND DAMAGING
  WINDS IN EXCESS OF 60 MPH.  THIS STORM WAS LOCATED 15 MILES NORTH
  OF COZAD...OR 22 MILES NORTHWEST OF LEXINGTON...AND MOVING
  SOUTHEAST AT 29 MPH.

* THE SEVERE THUNDERSTORM WILL BE NEAR...
  COZAD BY 625 PM CDT
  LEXINGTON BY 645 PM CDT

THIS INCLUDES INTERSTATE 80 BETWEEN MILE MARKERS 219 AND 235.

DOPPLER RADAR HAS INDICATED SOME WEAK ROTATION WITHIN THIS STORM.
WHILE NOT IMMEDIATELY LIKELY...A TORNADO MAY STILL DEVELOP. IF A
TORNADO IS SPOTTED...ACT QUICKLY AND MOVE TO A PLACE OF SAFETY IN A
STURDY STRUCTURE...SUCH AS A BASEMENT OR SMALL INTERIOR ROOM.

LAT...LON 4105 10006 4105 9973 4079 9950 4071 10003
TIME...MOT...LOC 2303Z 334DEG 25KT 4106 9990

$$

PFANNKUCH
2 follow-up statements
000 
WWUS53 KGID 202321
SVSGID

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE HASTINGS NE
621 PM CDT FRI JUN 20 2008

NEC047-202345-
/O.CON.KGID.SV.W.0252.000000T0000Z-080620T2345Z/
DAWSON NE-
621 PM CDT FRI JUN 20 2008

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 645 PM CDT
FOR CENTRAL DAWSON COUNTY...

AT 618 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
INDICATE A SEVERE THUNDERSTORM CAPABLE OF PRODUCING GOLF BALL SIZE
HAIL...AND DAMAGING WINDS IN EXCESS OF 60 MPH.  THIS STORM WAS
LOCATED 8 MILES NORTHEAST OF COZAD...OR 15 MILES NORTHWEST OF
LEXINGTON...MOVING SOUTHEAST AT 29 MPH.

THE SEVERE THUNDERSTORM WILL BE NEAR...
  LEXINGTON BY 645 PM CDT

THIS INCLUDES INTERSTATE 80 BETWEEN MILE MARKERS 220 AND 235.

DOPPLER RADAR HAS INDICATED SOME WEAK ROTATION WITHIN THIS STORM.
WHILE NOT IMMEDIATELY LIKELY...A TORNADO MAY STILL DEVELOP. IF A
TORNADO IS SPOTTED...ACT QUICKLY AND MOVE TO A PLACE OF SAFETY IN A
STURDY STRUCTURE...SUCH AS A BASEMENT OR SMALL INTERIOR ROOM.

LAT...LON 4105 10006 4105 9973 4079 9950 4071 10003
TIME...MOT...LOC 2321Z 334DEG 25KT 4094 9988

$$

PFANNKUCH
000 
WWUS53 KGID 202335
SVSGID

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE HASTINGS NE
634 PM CDT FRI JUN 20 2008

NEC047-202345-
/O.CON.KGID.SV.W.0252.000000T0000Z-080620T2345Z/
DAWSON NE-
634 PM CDT FRI JUN 20 2008

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 645 PM CDT
FOR CENTRAL DAWSON COUNTY...

AT 632 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
INDICATE A SEVERE THUNDERSTORM CAPABLE OF PRODUCING GOLF BALL SIZE
HAIL...AND DAMAGING WINDS IN EXCESS OF 60 MPH.  THIS STORM WAS
LOCATED NEAR COZAD...OR 11 MILES NORTHWEST OF LEXINGTON...MOVING
SOUTHEAST AT 29 MPH.

THE SEVERE THUNDERSTORM WILL BE NEAR...
  LEXINGTON BY 645 PM CDT

THIS INCLUDES INTERSTATE 80 BETWEEN MILE MARKERS 220 AND 235.

AT 634 PM...EMERGENCY MANAGEMENT REPORTED NICKEL SIZE HAIL COVERING 
THE GROUND 4 MILES NORTHEAST OF COZAD. 

DOPPLER RADAR HAS INDICATED SOME WEAK ROTATION WITHIN THIS STORM.
WHILE NOT IMMEDIATELY LIKELY...A TORNADO MAY STILL DEVELOP. IF A
TORNADO IS SPOTTED...ACT QUICKLY AND MOVE TO A PLACE OF SAFETY IN A
STURDY STRUCTURE...SUCH AS A BASEMENT OR SMALL INTERIOR ROOM.

LAT...LON 4105 10006 4105 9973 4079 9950 4071 10003
TIME...MOT...LOC 2334Z 334DEG 25KT 4089 9989

$$

PFANNKUCH

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 20, 5:11 PM CDTSevere Thunderstorm WarningGIDValley34 min
Jun 20, 5:37 PM CDTSevere Thunderstorm WarningGIDHoward, Sherman38 min
Jun 20, 6:43 PM CDTSevere Thunderstorm WarningGIDDawson, Gosper, Phelps47 min
Jun 20, 6:49 PM CDTSevere Thunderstorm WarningGIDAdams, Clay, Hall, Hamilton, Merrick33 min

Nearby

Severe Thunderstorm Warnings in Nebraska, 2008Every severe thunderstorm warning in 2008

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.