Alert archive / Nebraska / Severe Thunderstorm Warnings in 2021

Severe Thunderstorm Warning 91, NWS Hastings, NE

June 24, 2021Polk County, York County, Nebraska

NWS Hastings, NE issued this severe thunderstorm warning at Jun 24, 2021, 1:55 AM CDT for Polk County, York County, Nebraska. It was in force for 35 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, 1:55 AM CDT (06:55 UTC)
Expired
Jun 24, 2021, 2:30 AM CDT
In force
35 min
Issued by
NWS Hastings, NE
Area
Storm-based polygon
Hail
0.75 in
Wind
60.0 mph

Counties Polk County, NE, York County, NE

The radar

The Grand Island radar (KUEX), 95 km from the middle of the area, began a volume at 06:59 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 24, 2:15 AM CDTTSTM WND GST 53York 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, 6.9 hours before the alert went out and 115 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.

546 
WUUS53 KGID 240655
SVRGID
NEC143-185-240730-
/O.NEW.KGID.SV.W.0091.210624T0655Z-210624T0730Z/

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

The National Weather Service in Hastings has issued a

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

* Until 230 AM CDT.

* At 154 AM CDT, severe thunderstorms were located along a line
  extending from near Shelby to near Benedict to near Bradshaw,
  moving south at 50 mph.

  HAZARD...60 mph wind gusts.

  SOURCE...Radar indicated.

  IMPACT...Expect damage to roofs, siding, and trees.

* Severe thunderstorms will be near...
  York, Henderson and Waco around 200 AM CDT.
  Lushton around 205 AM CDT.
  McCool Junction around 210 AM CDT.

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 4070 9782 4098 9782 4110 9764 4133 9737
      4070 9737
TIME...MOT...LOC 0654Z 346DEG 42KT 4113 9737 4096 9756 4086 9780 

HAIL...<.75IN
WIND...60MPH
 
$$

JCB
2 follow-up statements
972 
WWUS53 KGID 240712
SVSGID

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

NEC143-240721-
/O.CAN.KGID.SV.W.0091.000000T0000Z-210624T0730Z/
Polk NE-
212 AM CDT Thu Jun 24 2021

...THE SEVERE THUNDERSTORM WARNING FOR SOUTHEASTERN 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 500 AM CDT for
east central Nebraska.

LAT...LON 4070 9782 4091 9782 4105 9741 4105 9737
      4070 9737
TIME...MOT...LOC 0711Z 325DEG 23KT 4098 9732 4081 9751 4071 9775 

$$

NEC185-240730-
/O.CON.KGID.SV.W.0091.000000T0000Z-210624T0730Z/
York NE-
212 AM CDT Thu Jun 24 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 230 AM CDT
FOR YORK COUNTY...

At 211 AM CDT, severe thunderstorms were located along a line
extending from near Gresham to 6 miles northeast of McCool Junction
to Lushton, moving southeast at 25 mph.

HAZARD...60 mph wind gusts.

SOURCE...Radar indicated.

IMPACT...Expect damage to roofs, siding, and trees.

Locations impacted include...
York, Henderson, McCool Junction, Bradshaw, Waco, Gresham, Lushton
and Thayer.

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 4070 9782 4091 9782 4105 9741 4105 9737
      4070 9737
TIME...MOT...LOC 0711Z 325DEG 23KT 4098 9732 4081 9751 4071 9775 

HAIL...<.75IN
WIND...60MPH
 
$$

JCB
490 
WWUS53 KGID 240725
SVSGID

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

NEC185-240735-
/O.EXP.KGID.SV.W.0091.000000T0000Z-210624T0730Z/
York NE-
225 AM CDT Thu Jun 24 2021

...THE SEVERE THUNDERSTORM WARNING FOR YORK COUNTY WILL EXPIRE AT 230
AM CDT...
    
The storms which prompted the warning have weakened below severe 
limits. 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
east central Nebraska.

LAT...LON 4070 9782 4091 9782 4105 9741 4105 9737
      4070 9737
TIME...MOT...LOC 0725Z 270DEG 42KT 4085 9728 4068 9747 4058 9771 

$$

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, 1:22 AM CDTSevere Thunderstorm WarningGIDHall, Hamilton, Howard, Merrick, Nance, Polk and 1 more38 min
Jun 24, 1:45 AM CDTSpecial Weather StatementGIDAdams, Hall, Kearney45 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.