Alert archive / Nebraska / Severe Thunderstorm Warnings in 2005

Severe Thunderstorm Warning 21, NWS Hastings, NE

April 18, 2005Clay County, Nebraska

NWS Hastings, NE issued this severe thunderstorm warning at Apr 18, 2005, 5:51 PM CDT for Clay County, Nebraska. It was in force for 39 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
Apr 18, 2005, 5:51 PM CDT (22:51 UTC)
Expired
Apr 18, 2005, 6:30 PM CDT
In force
39 min
Issued by
NWS Hastings, NE
Area
Counties, with a storm outline in the text

County Clay County, NE

The radar

The Grand Island radar (KUEX), 49 km from the middle of the area, began a volume at 22:53 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 nearest sounding before it

Omaha, NE (KOAX), launched 12:00Z, 10.9 hours before the alert went out and 157 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 12:00Z on 2005-04-18Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 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 12:00Z on 2005-04-18The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -109 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
1390 m above ground
0-6 km bulk shear
10 kt
0-1 km storm-relative helicity
-109 m²/s²
0-3 km storm-relative helicity
-95 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 182251
SVRGID
NEC035-182330-
/O.NEW.KGID.SV.W.0021.050418T2251Z-050418T2330Z/

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE HASTINGS NE
551 PM CDT MON APR 18 2005

THE NATIONAL WEATHER SERVICE IN HASTINGS HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  CLAY COUNTY IN SOUTH CENTRAL NEBRASKA

* UNTIL 630 PM CDT

* AT 548 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM 6 MILES SOUTH OF SARONVILLE...OR ABOUT 24 MILES
  EAST OF HASTINGS...MOVING NORTHEAST AT 25 MPH.

* THE SEVERE THUNDERSTORM WILL BE NEAR...
  SARONVILLE AT 600 PM CDT...
  SUTTON AT 605 PM CDT...

THIS STORM IS CAPABLE OF PRODUCING HAIL UP TO THE SIZE OF QUARTERS.

PEOPLE IN CLAY COUNTY SHOULD SEEK SHELTER IN A STURDY STRUCTURE AND
STAY AWAY FROM WINDOWS.

LAT...LON 4050 9805 4051 9805 4057 9800 4068 9793
      4069 9792 4069 9782 4045 9783 4042 9785
      4042 9787

$$

LAWRENCE
2 follow-up statements
000 
WWUS53 KGID 182300
SVSGID

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE HASTINGS NE
600 PM CDT MON APR 18 2005

NEC035-182330-
/O.CON.KGID.SV.W.0021.000000T0000Z-050418T2330Z/
CLAY NE-
600 PM CDT MON APR 18 2005

...A SEVERE THUNDERSTORM WARNING CONTINUES UNTIL 630 PM CDT FOR CLAY
COUNTY...

AT 558 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
INDICATE A SEVERE THUNDERSTORM CAPABLE OF PRODUCING LARGE DAMAGING
HAIL UP TO GOLF BALL SIZE.  THIS STORM WAS LOCATED NEAR SUTTON...OR
ABOUT 25 MILES SOUTHWEST OF YORK...MOVING NORTHEAST AT 35 MPH.

* THE SEVERE THUNDERSTORM WILL BE NEAR...
  SUTTON AT 600 PM CDT...

LAT...LON 4050 9805 4051 9805 4057 9800 4068 9793
      4069 9792 4069 9782 4045 9783 4042 9785
      4042 9787

$$

LAWRENCE
000 
WWUS53 KGID 182321
SVSGID

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE HASTINGS NE
621 PM CDT MON APR 18 2005

NEC035-182331-
/O.CAN.KGID.SV.W.0021.000000T0000Z-050418T2330Z/
CLAY NE-
621 PM CDT MON APR 18 2005

...THE SEVERE THUNDERSTORM WARNING FOR CLAY COUNTY IS CANCELLED...

THE SEVERE THUNDERSTORM THAT PROMPTED THE WARNING HAD MOVED OUT OF 
THE AREA...AND NO LONGER POSES A THREAT.  THEREFORE THE WARNING HAS 
BEEN CANCELLED.

LAT...LON 4050 9805 4051 9805 4057 9800 4068 9793
      4069 9792 4069 9782 4045 9783 4042 9785
      4042 9787

$$

LAWRENCE

The office that day

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

IssuedProductOfficeCountiesLasted
Apr 18, 4:22 PM CDTSevere Thunderstorm WarningGIDYork53 min
Apr 18, 4:40 PM CDTTornado WarningGIDYork50 min
Apr 18, 5:29 PM CDTSevere Thunderstorm WarningGIDYork61 min
Apr 18, 6:04 PM CDTSevere Thunderstorm WarningGIDFillmore41 min
Apr 18, 6:19 PM CDTTornado WarningGIDFillmore, York46 min
Apr 18, 6:28 PM CDTFlash Flood WarningGIDFillmore6 hr

Nearby

Severe Thunderstorm Warnings in Nebraska, 2005Every severe thunderstorm warning in 2005

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.