Alert archive / Nebraska / Severe Thunderstorm Warnings in 2021

Severe Thunderstorm Warning 80, NWS Hastings, NE

June 22, 2021Merrick County, Polk County, York County, Nebraska

NWS Hastings, NE issued this severe thunderstorm warning at Jun 22, 2021, 7:59 PM CDT for Merrick County, Polk County, York County, Nebraska. It was in force for 46 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
Jun 22, 2021, 7:59 PM CDT (00:59 UTC)
Expired
Jun 22, 2021, 8:45 PM CDT
In force
46 min
Issued by
NWS Hastings, NE
Area
Storm-based polygon
Hail
1.75 in
Wind
70.0 mph

Counties Merrick County, NE, Polk County, NE, York County, NE

The radar

The Omaha radar (KOAX), 105 km from the middle of the area, began a volume at 00:59 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 22, 8:08 PM CDTHAIL 14 W Osceola, NE
Jun 22, 8:09 PM CDTHAIL 1.75Osceola, NEHAIL UP TO THE SIZE OF GOLF BALLS WAS REPORTED ON THE NORTH SIDE OF TOWN.
Jun 22, 8:09 PM CDTHAIL 2Osceola, NECORRECTS PREVIOUS HAIL REPORT FROM OSCEOLA. UPON FURTHER REVIEW OBSERVER FOUND SOME HAIL TO AT LEAST 2 INCH DIAMETER ON THE NORTH SIDE OF TOWN.
Jun 22, 8:10 PM CDTHAIL 11 S Osceola, NEONGOING ON THE SOUTH SIDE OF OSCEOLA.
Jun 22, 8:13 PM CDTHAIL 1.253 N Stromsburg, NE
Jun 22, 8:15 PM CDTHAIL 1.52 E Stromsburg, NE
Jun 22, 8:20 PM CDTHAIL 1Stromsburg, NE
Jun 22, 8:29 PM CDTHAIL 1.75Thayer, NEREPORT VIA FACEBOOK PHOTOS.
Jun 22, 8:30 PM CDTHAIL 1.53 W Gresham, NEQUARTER TO PING PONG BALL SIZE HAIL REPORTED.
Jun 22, 8:34 PM CDTHAIL 1.752 N Benedict, NE
Jun 22, 8:43 PM CDTHAIL 1Waco, 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 22, 4:49 PM CDTSevere Thunderstorm WatchSPC4 hr

The nearest sounding before it

Omaha, NE (KOAX), launched 00:00Z, 1.0 hours before the alert went out and 105 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 2021-06-23Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 19 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, Omaha, NE at 00:00Z on 2021-06-23The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 117 square meters per square second.1939587897Sfc1 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
19 J/kg
Mixed-layer CIN
-146 J/kg
Mixed-layer LCL
2740 m above ground
0-6 km bulk shear
38 kt
0-1 km storm-relative helicity
117 m²/s²
0-3 km storm-relative helicity
283 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.1

Open this sounding in Storm Lab

The text

As transmitted.

592 
WUUS53 KGID 230059
SVRGID
NEC121-143-185-230145-
/O.NEW.KGID.SV.W.0080.210623T0059Z-210623T0145Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Hastings NE
759 PM CDT Tue Jun 22 2021

The National Weather Service in Hastings has issued a

* Severe Thunderstorm Warning for...
  York County in east central Nebraska...
  Northeastern Merrick County in central Nebraska...
  Polk County in east central Nebraska...

* Until 845 PM CDT.

* At 758 PM CDT, severe thunderstorms were located along a line
  extending from 6 miles east of Clarks to Osceola to Shelby, moving
  south at 40 mph.

  HAZARD...Golf ball size hail and 70 mph wind gusts.

  SOURCE...Radar indicated.

  IMPACT...People and animals outdoors will be injured. Expect hail 
           damage to roofs, siding, windows, and vehicles. Expect 
           considerable tree damage. Wind damage is also likely to 
           mobile homes, roofs, and outbuildings.

* Severe thunderstorms will be near...
  Stromsburg around 805 PM CDT.
  Polk, Benedict and Gresham around 815 PM CDT.

Other locations in the path of these severe thunderstorms include
Waco, York and Bradshaw.

This includes Interstate 80 between mile markers 342 and 365.
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 4074 9748 4080 9782 4130 9780 4131 9776
      4131 9771 4132 9770 4135 9760 4133 9760
      4135 9754 4131 9737 4075 9737
TIME...MOT...LOC 0058Z 353DEG 34KT 4124 9772 4118 9757 4121 9742 

HAIL...1.75IN
WIND...70MPH
 
$$

JCB
3 follow-up statements
428 
WWUS53 KGID 230106
SVSGID

Severe Weather Statement
National Weather Service Hastings NE
806 PM CDT Tue Jun 22 2021

NEC121-230115-
/O.CAN.KGID.SV.W.0080.000000T0000Z-210623T0145Z/
Merrick NE-
806 PM CDT Tue Jun 22 2021

...THE SEVERE THUNDERSTORM WARNING FOR NORTHEASTERN MERRICK COUNTY IS
CANCELLED...

The storms which prompted the warning have moved out of the warned 
area. Therefore, the warning has been cancelled.

A Severe Thunderstorm Watch remains in effect until 900 PM CDT for
central and east central Nebraska.

LAT...LON 4074 9748 4080 9782 4119 9780 4123 9777
      4126 9772 4129 9768 4131 9764 4131 9760
      4133 9760 4135 9754 4131 9737 4075 9737
TIME...MOT...LOC 0105Z 353DEG 34KT 4119 9771 4113 9756 4116 9741 

$$

NEC143-185-230145-
/O.CON.KGID.SV.W.0080.000000T0000Z-210623T0145Z/
York NE-Polk NE-
806 PM CDT Tue Jun 22 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 845 PM CDT
FOR YORK AND POLK COUNTIES...

At 805 PM CDT, severe thunderstorms were located along a line
extending from 6 miles east of Clarks to Stromsburg to near Shelby,
moving south at 40 mph.

HAZARD...Golf ball size hail and 70 mph wind gusts.

SOURCE...Radar indicated.

IMPACT...People and animals outdoors will be injured. Expect hail 
         damage to roofs, siding, windows, and vehicles. Expect 
         considerable tree damage. Wind damage is also likely to 
         mobile homes, roofs, and outbuildings.

These severe storms will be near...
  Polk around 815 PM CDT.

Other locations in the path of these severe thunderstorms include
Benedict, Gresham, Waco, York and Bradshaw.

This includes Interstate 80 between mile markers 342 and 365.
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 4074 9748 4080 9782 4119 9780 4123 9777
      4126 9772 4129 9768 4131 9764 4131 9760
      4133 9760 4135 9754 4131 9737 4075 9737
TIME...MOT...LOC 0105Z 353DEG 34KT 4119 9771 4113 9756 4116 9741 

HAIL...1.75IN
WIND...70MPH
 
$$

JCB
191 
WWUS53 KGID 230118
SVSGID

Severe Weather Statement
National Weather Service Hastings NE
818 PM CDT Tue Jun 22 2021

NEC143-185-230145-
/O.CON.KGID.SV.W.0080.000000T0000Z-210623T0145Z/
York NE-Polk NE-
818 PM CDT Tue Jun 22 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 845 PM CDT
FOR YORK AND SOUTHERN POLK COUNTIES...

At 817 PM CDT, severe thunderstorms were located along a line
extending from near Polk to near Benedict to Gresham, moving south at
40 mph.

HAZARD...Golf ball size hail and 60 mph wind gusts.

SOURCE...Trained weather spotters reported golfball sized hail in 
         Osceola.

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.

These severe storms will be near...
  Benedict and Gresham around 820 PM CDT.

Other locations in the path of these severe thunderstorms include
Waco, York and Bradshaw.

This includes Interstate 80 between mile markers 342 and 365.
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 4074 9748 4080 9782 4116 9775 4120 9756
      4117 9737 4075 9737
TIME...MOT...LOC 0117Z 353DEG 34KT 4108 9769 4102 9754 4105 9739 

HAIL...1.75IN
WIND...60MPH
 
$$

JCB
088 
WWUS53 KGID 230139
SVSGID

Severe Weather Statement
National Weather Service Hastings NE
839 PM CDT Tue Jun 22 2021

NEC143-230148-
/O.CAN.KGID.SV.W.0080.000000T0000Z-210623T0145Z/
Polk NE-
839 PM CDT Tue Jun 22 2021

...THE SEVERE THUNDERSTORM WARNING FOR SOUTHERN POLK COUNTY IS
CANCELLED...

The storms which prompted the warning have moved out of the warned 
area. Therefore, the warning has been cancelled.

A Severe Thunderstorm Watch remains in effect until 900 PM CDT for
east central Nebraska.

LAT...LON 4074 9748 4080 9780 4105 9766 4105 9737
      4075 9737
TIME...MOT...LOC 0138Z 357DEG 29KT 4095 9766 4089 9751 4092 9736 

$$

NEC185-230145-
/O.CON.KGID.SV.W.0080.000000T0000Z-210623T0145Z/
York NE-
839 PM CDT Tue Jun 22 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 845 PM CDT
FOR YORK COUNTY...

At 838 PM CDT, severe thunderstorms were located along a line
extending from near Benedict to near Waco to Utica, moving south at
35 mph.

HAZARD...Golf ball size hail and 60 mph wind gusts.

SOURCE...Trained weather spotters reported golfball sized hail north 
         of Benedict.

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.

These severe thunderstorms will remain over mainly rural areas of
York County, including the following locations... Thayer.

This includes Interstate 80 between mile markers 344 and 365.
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 4074 9748 4080 9780 4105 9766 4105 9737
      4075 9737
TIME...MOT...LOC 0138Z 357DEG 29KT 4095 9766 4089 9751 4092 9736 

HAIL...1.75IN
WIND...60MPH
 
$$

JCB

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 22, 7:28 PM CDTSevere Thunderstorm WarningGIDMerrick, Nance, Polk47 min
Jun 22, 8:42 PM CDTSevere Thunderstorm WarningGIDYork33 min
Jun 22, 9:04 PM CDTSevere Thunderstorm WarningGIDFillmore, York26 min
Jun 22, 9:07 PM CDTSpecial Weather StatementGIDMerrick, Nance38 min
Jun 22, 9:12 PM CDTSevere Thunderstorm WarningGIDMerrick, Nance48 min
Jun 22, 9:28 PM CDTSevere Thunderstorm WarningGIDPolk28 min
Jun 22, 9:49 PM CDTSevere Thunderstorm WarningGIDHamilton, Merrick, Polk, York41 min
Jun 22, 10:28 PM CDTSevere Thunderstorm WarningGIDFillmore, York32 min
Jun 22, 10:40 PM CDTSpecial Weather StatementGIDClay35 min
Jun 22, 10:50 PM CDTSpecial Weather StatementGIDFillmore25 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.