Alert archive / Nebraska / Severe Thunderstorm Warnings in 2021

Severe Thunderstorm Warning 89, NWS Hastings, NE

June 24, 20216 counties in Nebraska

NWS Hastings, NE issued this severe thunderstorm warning at Jun 24, 2021, 12:42 AM CDT for 6 counties in Nebraska. It was in force for 48 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 24, 2021, 12:42 AM CDT (05:42 UTC)
Expired
Jun 24, 2021, 1:30 AM CDT
In force
48 min
Issued by
NWS Hastings, NE
Area
Storm-based polygon
Hail
1.0 in
Wind
70.0 mph

Counties Greeley County, NE, Howard County, NE, Merrick County, NE, Nance County, NE, Sherman County, NE, Valley County, NE

The radar

The Grand Island radar (KUEX), 125 km from the middle of the area, began a volume at 05:42 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, 12:48 AM CDTTSTM WND DMGGreeley, NEDELAYED REPORT OF EXTENSIVE DAMAGE TO TREES AND BRANCHES AROUND GREELEY. SOME UP TO 2 FT IN DIAMETER. TIME ESTIMATED FROM RADAR.
Jun 24, 12:57 AM CDTTSTM WND GST 60Wolbach, NEDEPUTY ESTIMATED 60 MPH WINDS...HAD TO REMOVE BRANCH BLOCKING PART OF HIGHWAY 22.
Jun 24, 1:19 AM CDTTSTM WND GST 648 Nne Palmer, 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, 5.7 hours before the alert went out and 158 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.

256 
WUUS53 KGID 240542
SVRGID
NEC077-093-121-125-163-175-240630-
/O.NEW.KGID.SV.W.0089.210624T0542Z-210624T0630Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Hastings NE
1242 AM CDT Thu Jun 24 2021

The National Weather Service in Hastings has issued a

* Severe Thunderstorm Warning for...
  Greeley County in central Nebraska...
  Nance County in central Nebraska...
  Southern Valley County in central Nebraska...
  Northwestern Merrick County in central Nebraska...
  Sherman County in central Nebraska...
  Howard County in central Nebraska...

* Until 130 AM CDT.

* At 1242 AM CDT, severe thunderstorms were located along a line
  extending from 7 miles northwest of Cedar Rapids to near Scotia to
  near Arcadia, moving southeast at 50 mph.

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

  SOURCE...Radar indicated.

  IMPACT...Hail damage to vehicles is expected. Expect considerable 
           tree damage. Wind damage is also likely to mobile homes, 
           roofs, and outbuildings.

* Locations impacted include...
  Ord, Greeley, St. Paul, Fullerton, Loup City, Genoa, Spalding,
  Palmer, Scotia, Arcadia, Dannebrog, North Loup, Wolbach,
  Litchfield, Elba, Ashton, Belgrade, Farwell, Rockville and Hazard.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 4148 9829 4148 9810 4151 9804 4153 9771
      4140 9770 4139 9767 4133 9772 4109 9829
      4106 9921 4158 9921 4161 9875 4174 9829
TIME...MOT...LOC 0542Z 325DEG 43KT 4165 9822 4152 9867 4149 9912 

HAIL...1.00IN
WIND...70MPH
 
$$

JCB
2 follow-up statements
240 
WWUS53 KGID 240610
SVSGID

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

NEC175-240618-
/O.CAN.KGID.SV.W.0089.000000T0000Z-210624T0630Z/
Valley NE-
110 AM CDT Thu Jun 24 2021

...THE SEVERE THUNDERSTORM WARNING FOR SOUTHERN VALLEY 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
central Nebraska.

LAT...LON 4173 9830 4148 9829 4148 9810 4151 9804
      4153 9771 4140 9770 4139 9767 4133 9772
      4109 9829 4106 9921 4138 9920 4139 9875
      4165 9860
TIME...MOT...LOC 0608Z 271DEG 43KT 4142 9802 4129 9847 4124 9896 

$$

NEC077-093-121-125-163-240630-
/O.CON.KGID.SV.W.0089.000000T0000Z-210624T0630Z/
Greeley NE-Nance NE-Merrick NE-Sherman NE-Howard NE-
110 AM CDT Thu Jun 24 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 130 AM CDT
FOR GREELEY...NANCE...NORTHWESTERN MERRICK...SHERMAN AND HOWARD
COUNTIES...

At 108 AM CDT, severe thunderstorms were located along a line
extending from near Belgrade to near Cushing to near Loup City,
moving east at 50 mph.

These are very dangerous storms.

HAZARD...80 mph wind gusts and quarter size hail.

SOURCE...Radar indicated.

IMPACT...Flying debris will be dangerous to those caught without 
         shelter. Mobile homes will be heavily damaged. Expect 
         considerable damage to roofs, windows, and vehicles. 
         Extensive tree damage and power outages are likely.

Locations impacted include...
Greeley, St. Paul, Fullerton, Loup City, Genoa, Spalding, Palmer,
Scotia, Dannebrog, Wolbach, Litchfield, Elba, Ashton, Belgrade,
Farwell, Rockville, Hazard, Cotesfield, Cushing and Archer.

The main threat for the potential for 80 mph winds will be in Nance 
and Merrick counties. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 4173 9830 4148 9829 4148 9810 4151 9804
      4153 9771 4140 9770 4139 9767 4133 9772
      4109 9829 4106 9921 4138 9920 4139 9875
      4165 9860
TIME...MOT...LOC 0608Z 271DEG 43KT 4142 9802 4129 9847 4124 9896 

HAIL...1.00IN
WIND...80MPH
 
$$

JCB
904 
WWUS53 KGID 240625
SVSGID

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

NEC077-093-121-125-163-240634-
/O.EXP.KGID.SV.W.0089.000000T0000Z-210624T0630Z/
Greeley NE-Nance NE-Merrick NE-Sherman NE-Howard NE-
125 AM CDT Thu Jun 24 2021

...THE SEVERE THUNDERSTORM WARNING FOR GREELEY...NANCE...NORTHWESTERN
MERRICK...SHERMAN AND HOWARD COUNTIES WILL EXPIRE AT 130 AM CDT...
    
The storms which prompted the warning have weakened below severe
limits, and have exited the warned area. Therefore, the warning will
be allowed to expire.  However small hail and gusty winds are still
possible with these thunderstorms.

A Severe Thunderstorm Watch remains in effect until 500 AM CDT for
central Nebraska.

LAT...LON 4173 9830 4148 9829 4148 9810 4151 9804
      4153 9771 4140 9770 4139 9767 4133 9772
      4109 9829 4106 9921 4138 9920 4139 9875
      4165 9860
TIME...MOT...LOC 0624Z 270DEG 43KT 4128 9789 4115 9834 4110 9883 

$$

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, 12:57 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, 1:55 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.