Alert archive / Nebraska / Severe Thunderstorm Warnings in 2021

Severe Thunderstorm Warning 90, NWS Hastings, NE

June 24, 20217 counties in Nebraska

NWS Hastings, NE issued this severe thunderstorm warning at Jun 24, 2021, 1:22 AM CDT for 7 counties in Nebraska. It was in force for 38 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
Jun 24, 2021, 1:22 AM CDT (06:22 UTC)
Expired
Jun 24, 2021, 2:00 AM CDT
In force
38 min
Issued by
NWS Hastings, NE
Area
Storm-based polygon
Hail
0.88 in
Wind
70.0 mph

Counties Hall County, NE, Hamilton County, NE, Howard County, NE, Merrick County, NE, Nance County, NE, Polk County, NE, York County, NE

The radar

The Grand Island radar (KUEX), 105 km from the middle of the area, began a volume at 06:24 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 24, 1:36 AM CDTTSTM WND GST 51Grand Island Airport, 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
Jun 23, 10:37 PM CDTSevere Thunderstorm WatchSPC6 hr

The nearest sounding before it

Omaha, NE (KOAX), launched 00:00Z, 6.4 hours before the alert went out and 121 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 00:00Z on 2021-06-24Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 2039 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, Omaha, NE at 00:00Z on 2021-06-24The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 60 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
2039 J/kg
Mixed-layer CIN
-306 J/kg
Mixed-layer LCL
1664 m above ground
0-6 km bulk shear
44 kt
0-1 km storm-relative helicity
60 m²/s²
0-3 km storm-relative helicity
168 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.4

Open this sounding in Storm Lab

The text

As transmitted.

887 
WUUS53 KGID 240622
SVRGID
NEC079-081-093-121-125-143-185-240700-
/O.NEW.KGID.SV.W.0090.210624T0622Z-210624T0700Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Hastings NE
122 AM CDT Thu Jun 24 2021

The National Weather Service in Hastings has issued a

* Severe Thunderstorm Warning for...
  Southeastern Nance County in central Nebraska...
  York County in east central Nebraska...
  Hamilton County in south central Nebraska...
  Merrick County in central Nebraska...
  Polk County in east central Nebraska...
  Southern Howard County in central Nebraska...
  Eastern Hall County in south central Nebraska...

* Until 200 AM CDT.

* At 121 AM CDT, severe thunderstorms were located along a line
  extending from near Silver Creek to 7 miles north of Central City
  to near Dannebrog, moving southeast at 50 mph.

  HAZARD...70 mph wind gusts and nickel size hail.

  SOURCE...Radar indicated.

  IMPACT...Expect considerable tree damage. Damage is likely to 
           mobile homes, roofs, and outbuildings.

* Severe thunderstorms will be near...
  Silver Creek around 125 AM CDT.
  Central City and Clarks around 130 AM CDT.
  Hordville around 135 AM CDT.
  Grand Island, Osceola, Shelby, Polk and Marquette around 140 AM 
  CDT.

Other locations in the path of these severe thunderstorms include
Stromsburg, Phillips, Hampton, Bradshaw, Gresham, York, Henderson,
Giltner, Waco and Lushton.

This includes Interstate 80 between mile markers 309 and 365.
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...

For your protection move to an interior room on the lowest floor of a
building.

&&

LAT...LON 4073 9760 4070 9838 4119 9870 4131 9806
      4145 9770 4140 9770 4139 9760 4133 9760
      4139 9737 4081 9737
TIME...MOT...LOC 0621Z 330DEG 42KT 4137 9766 4122 9800 4113 9844 

HAIL...0.88IN
WIND...70MPH
 
$$

JCB
2 follow-up statements
750 
WWUS53 KGID 240643
SVSGID

Severe Weather Statement
National Weather Service Hastings NE
143 AM CDT Thu Jun 24 2021

NEC079-093-240652-
/O.CAN.KGID.SV.W.0090.000000T0000Z-210624T0700Z/
Howard NE-Hall NE-
143 AM CDT Thu Jun 24 2021

...THE SEVERE THUNDERSTORM WARNING FOR SOUTHERN HOWARD AND EASTERN
HALL COUNTIES IS CANCELLED...

The storms which prompted the warning have weakened. Therefore, the 
warning has been cancelled.

A Severe Thunderstorm Watch remains in effect until 500 AM CDT for
south central, central and east central Nebraska.

LAT...LON 4070 9827 4112 9828 4130 9794 4140 9770
      4139 9760 4133 9760 4139 9737 4081 9737
      4073 9760
TIME...MOT...LOC 0642Z 329DEG 42KT 4116 9750 4101 9784 4093 9819 

$$

NEC081-121-125-143-185-240700-
/O.CON.KGID.SV.W.0090.000000T0000Z-210624T0700Z/
Nance NE-York NE-Hamilton NE-Merrick NE-Polk NE-
143 AM CDT Thu Jun 24 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 200 AM CDT
FOR SOUTHEASTERN NANCE...YORK...HAMILTON...MERRICK AND POLK
COUNTIES...

At 142 AM CDT, severe thunderstorms were located along a line
extending from near Osceola to near Polk to near Phillips, moving
southeast at 50 mph.

HAZARD...70 mph wind gusts and nickel size hail.

SOURCE...Radar indicated.

IMPACT...Expect considerable tree damage. Damage is likely to mobile 
         homes, roofs, and outbuildings.

Locations impacted include...
York, Aurora, Central City, Stromsburg, Henderson, Osceola, Shelby,
Hampton, McCool Junction, Clarks, Silver Creek, Giltner, Polk,
Phillips, Chapman, Bradshaw, Waco, Benedict, Marquette and Gresham.

This includes Interstate 80 between mile markers 318 and 365.
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...

For your protection move to an interior room on the lowest floor of a
building.

&&

LAT...LON 4070 9827 4112 9828 4130 9794 4140 9770
      4139 9760 4133 9760 4139 9737 4081 9737
      4073 9760
TIME...MOT...LOC 0642Z 329DEG 42KT 4116 9750 4101 9784 4093 9819 

HAIL...0.88IN
WIND...70MPH
 
$$

JCB
507 
WWUS53 KGID 240659
SVSGID

Severe Weather Statement
National Weather Service Hastings NE
159 AM CDT Thu Jun 24 2021

NEC081-121-125-143-185-240708-
/O.EXP.KGID.SV.W.0090.000000T0000Z-210624T0700Z/
Nance NE-York NE-Hamilton NE-Merrick NE-Polk NE-
159 AM CDT Thu Jun 24 2021

...THE SEVERE THUNDERSTORM WARNING FOR SOUTHEASTERN NANCE...YORK...
HAMILTON...MERRICK AND POLK COUNTIES WILL EXPIRE AT 200 AM CDT...
    
The storms which prompted the warning have moved out of the area.
Therefore, the warning will be allowed to expire.  However gusty
winds are still possible with these thunderstorms.

A Severe Thunderstorm Watch remains in effect until 500 AM CDT for
south central, central and east central Nebraska.

Remember, a Severe Thunderstorm Warning still remains in effect for 
portions of Polk and York counties until 230AM.

LAT...LON 4070 9827 4112 9828 4130 9794 4140 9770
      4139 9760 4133 9760 4139 9737 4081 9737
      4073 9760
TIME...MOT...LOC 0658Z 330DEG 42KT 4116 9750 4101 9784 4093 9819 

$$

JCB

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 24, 12:07 AM CDTSevere Thunderstorm WarningGIDValley53 min
Jun 24, 12:30 AM CDTSevere Thunderstorm WarningGIDGreeley, Valley30 min
Jun 24, 12:42 AM CDTSevere Thunderstorm WarningGIDGreeley, Howard, Merrick, Nance, Sherman, Valley48 min
Jun 24, 12:57 AM CDTSpecial Weather StatementGIDGreeley33 min
Jun 24, 1:45 AM CDTSpecial Weather StatementGIDAdams, Hall, Kearney45 min
Jun 24, 1:55 AM CDTSevere Thunderstorm WarningGIDPolk, York35 min
Jun 24, 1:59 AM CDTSpecial Weather StatementGIDClay31 min
Jun 24, 2:24 AM CDTSpecial Weather StatementGIDFillmore51 min
Jun 24, 3:26 AM CDTSpecial Weather StatementGIDHoward34 min
Jun 24, 3:31 AM CDTSpecial Weather StatementGIDAdams29 min
Jun 24, 3:33 AM CDTSpecial Weather StatementGIDNuckolls27 min
Jun 24, 3:58 PM CDTSpecial Weather StatementGIDHall47 min
Jun 24, 4:02 PM CDTSevere Thunderstorm WarningGIDAdams, Hall, Hamilton, Merrick43 min
Jun 24, 4:09 PM CDTSevere Thunderstorm WarningGIDAdams, Clay, Nuckolls, Webster31 min
Jun 24, 4:27 PM CDTSevere Thunderstorm WarningGIDClay, Fillmore, Hamilton, York48 min
Jun 24, 4:36 PM CDTSpecial Weather StatementGIDClay, Fillmore, Nuckolls39 min
Jun 24, 5:10 PM CDTSpecial Weather StatementGIDFillmore, York50 min
Jun 24, 5:19 PM CDTAreal Flood AdvisoryGIDClay, Fillmore3 hr
Jun 24, 5:29 PM CDTSevere Thunderstorm WarningGIDFillmore, Thayer, York46 min

Nearby

Severe Thunderstorm Warnings in Nebraska, 2021Every severe thunderstorm warning in 2021

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.