Alert archive / Nebraska / Severe Thunderstorm Warnings in 2021

Severe Thunderstorm Warning 78, NWS Hastings, NE

June 22, 2021Merrick County, Nance County, Nebraska

NWS Hastings, NE issued this severe thunderstorm warning at Jun 22, 2021, 6:59 PM CDT for Merrick County, Nance County, Nebraska. It was in force for 31 min. 2 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, 6:59 PM CDT (23:59 UTC)
Expired
Jun 22, 2021, 7:30 PM CDT
In force
31 min
Issued by
NWS Hastings, NE
Area
Storm-based polygon
Hail
1.25 in
Wind
60.0 mph

Counties Merrick County, NE, Nance County, NE

The radar

The Omaha radar (KOAX), 111 km from the middle of the area, began a volume at 00:05 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, 7:30 PM CDTTSTM WND DMGGenoa, NEREPORTS OF TREE BRANCHES DOWNED IN GENOA. WIND GUST REPORTS RECEIVED WERE AROUND 75 MPH. REPORT OF A SHED DAMAGED EAST OF GENOA, EXACT LOCATION UNKNOWN AT THIS TIME. NICKEL SIZE HAIL WAS ALSO REPORTED IN GENOA.
Jun 22, 7:30 PM CDTHAIL 13 N Genoa, NEQUARTER SIZE HAIL FALLING AT THIS TIME. WIND GUSTS ESTIMATED TO BE 50-60 MPH AT TIMES.

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 12:00Z, 12.0 hours before the alert went out and 111 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 2021-06-22Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1 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 12:00Z on 2021-06-22The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 259 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
1 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
1910 m above ground
0-6 km bulk shear
59 kt
0-1 km storm-relative helicity
259 m²/s²
0-3 km storm-relative helicity
324 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

037 
WUUS53 KGID 222359
SVRGID
NEC121-125-230030-
/O.NEW.KGID.SV.W.0078.210622T2359Z-210623T0030Z/

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

The National Weather Service in Hastings has issued a

* Severe Thunderstorm Warning for...
  Northeastern Nance County in central Nebraska...
  Northeastern Merrick County in central Nebraska...

* Until 730 PM CDT.

* At 659 PM CDT, a severe thunderstorm was located near Genoa, or 19
  miles west of Columbus, moving southeast at 35 mph.

  HAZARD...60 mph wind gusts and half dollar size hail.

  SOURCE...Radar indicated.

  IMPACT...Hail damage to vehicles is expected. Expect wind damage 
           to roofs, siding, and trees.

* This severe thunderstorm will remain over mainly rural areas of
  northeastern Nance and northeastern Merrick Counties.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 4132 9761 4151 9787 4153 9785 4153 9771
      4140 9770 4139 9760 4133 9760
TIME...MOT...LOC 2359Z 304DEG 32KT 4153 9771 

HAIL...1.25IN
WIND...60MPH
 
$$

JCB
2 follow-up statements
500 
WWUS53 KGID 230013
SVSGID

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

NEC121-125-230030-
/O.CON.KGID.SV.W.0078.000000T0000Z-210623T0030Z/
Nance NE-Merrick NE-
713 PM CDT Tue Jun 22 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 730 PM CDT
FOR NORTHEASTERN NANCE AND NORTHEASTERN MERRICK COUNTIES...

At 713 PM CDT, a severe thunderstorm was located near St. Edward, or
21 miles west of Columbus, moving southeast at 25 mph.

HAZARD...60 mph wind gusts and half dollar size hail.

SOURCE...Radar indicated.

IMPACT...Hail damage to vehicles is expected. Expect wind damage to 
         roofs, siding, and trees.

Locations impacted include...
Genoa.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 4132 9761 4151 9787 4153 9785 4153 9771
      4140 9770 4139 9760 4133 9760
TIME...MOT...LOC 0013Z 293DEG 22KT 4154 9774 

HAIL...1.25IN
WIND...60MPH
 
$$

JCB
332 
WWUS53 KGID 230022
SVSGID

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

NEC121-125-230030-
/O.CON.KGID.SV.W.0078.000000T0000Z-210623T0030Z/
Nance NE-Merrick NE-
722 PM CDT Tue Jun 22 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 730 PM CDT
FOR NORTHEASTERN NANCE AND NORTHEASTERN MERRICK COUNTIES...

At 721 PM CDT, a severe thunderstorm was located near Genoa, or 19
miles west of Columbus, moving southeast at 20 mph.

HAZARD...60 mph wind gusts and half dollar size hail.

SOURCE...Radar indicated.

IMPACT...Hail damage to vehicles is expected. Expect wind damage to 
         roofs, siding, and trees.

Locations impacted include...
Genoa.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 4132 9761 4146 9778 4153 9781 4153 9771
      4140 9770 4139 9760 4133 9760
TIME...MOT...LOC 0021Z 335DEG 18KT 4149 9772 

HAIL...1.25IN
WIND...60MPH
 
$$

JCB

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.