Alert archive / Nebraska / Severe Thunderstorm Warnings in 2020

Severe Thunderstorm Warning 77, NWS Hastings, NE

June 26, 2020Franklin County, Harlan County, Nebraska; Phillips County, Smith County, Kansas

NWS Hastings, NE issued this severe thunderstorm warning at Jun 26, 2020, 11:44 PM CDT for Franklin County, Harlan County, Nebraska; Phillips County, Smith County, Kansas. It was in force for 46 min. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued
Jun 26, 2020, 11:44 PM CDT (04:44 UTC)
Expired
Jun 27, 2020, 12:30 AM CDT
In force
46 min
Issued by
NWS Hastings, NE
Area
Storm-based polygon
Hail
1.5 in
Wind
60.0 mph

Counties Phillips County, KS, Smith County, KS, Franklin County, NE, Harlan County, NE

The radar

The Grand Island radar (KUEX), 69 km from the middle of the area, began a volume at 04:43 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.

The watch it was issued in

The SPC watch in force over the same counties when this warning went out.

IssuedProductOfficeLasted
Jun 26, 7:50 PM CDTSevere Thunderstorm WatchSPC8 hr

The nearest sounding before it

N. Platte/Lee Bi, NE (KLBF), launched 00:00Z, 4.7 hours before the alert went out and 179 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, N. Platte/Lee Bi, NE at 00:00Z on 2020-06-27Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 939 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, N. Platte/Lee Bi, NE at 00:00Z on 2020-06-27The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 22 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
939 J/kg
Mixed-layer CIN
-70 J/kg
Mixed-layer LCL
1964 m above ground
0-6 km bulk shear
38 kt
0-1 km storm-relative helicity
22 m²/s²
0-3 km storm-relative helicity
122 m²/s²
Significant tornado parameter
0.0
Supercell composite
1.4

Open this sounding in Storm Lab

What forecasters said that day

The local office's own words before this severe thunderstorm warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

NWS Hastings, NE wrote its last area forecast discussion before this severe thunderstorm warning went out at Jun 26, 7:14 PM CDT, 4 hours 30 minutes earlier.

Area forecast discussion, Jun 26, 7:14 PM CDT, 4 hours 30 minutes before
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Hazardous weather outlook, Jun 26, 11:36 PM CDT, 8 minutes before
Hazardous Weather Outlook
National Weather Service Hastings NE
1136 PM CDT Fri Jun 26 2020

KSZ005>007-017>019-NEZ039>041-046>049-060>064-072>077-082>087-
271200-
Phillips-Smith-Jewell-Rooks-Osborne-Mitchell-Valley-Greeley-Nance-
Sherman-Howard-Merrick-Polk-Dawson-Buffalo-Hall-Hamilton-York-
Gosper-Phelps-Kearney-Adams-Clay-Fillmore-Furnas-Harlan-Franklin-
Webster-Nuckolls-Thayer-
1136 PM CDT Fri Jun 26 2020

This Hazardous Weather Outlook is for south central Nebraska and
portions of north central Kansas.

.DAY ONE...Tonight.

Scattered thunderstorms will continue through tonight, mainly for
areas along and south of I-80. Some of these storms will be severe
with hail to around the size of quarters and damaging wind gusts
around 60 MPH.

Localized heavy rain may also lead to isolated flooding of low-
lying areas.

.DAYS TWO THROUGH SEVEN...Saturday through Thursday.

Additional thunderstorm chances arrive Saturday evening. A few of
these storms could also be strong to severe.

Slight chances for thunderstorms continue Sunday and Monday, with
better chances returning Tuesday through Thursday.

.SPOTTER INFORMATION STATEMENT...

Spotter activation may be needed this evening and tonight along
and south of HWY 6.

&&

More information may be obtained at the following web page:
   https://www.weather.gov/hastings

In the hours before

Special weather statement, Jun 26, 8:33 PM CDT, 3 hours 11 minutes before
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Local storm report, Jun 26, 11:14 PM CDT, 30 minutes before
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Special weather statement, Jun 26, 11:30 PM CDT, 14 minutes before
Special Weather Statement
National Weather Service Hastings NE
1130 PM CDT Fri Jun 26 2020

KSZ019-270500-
Mitchell KS-
1130 PM CDT Fri Jun 26 2020

...SIGNIFICANT WEATHER ADVISORY FOR EASTERN MITCHELL COUNTY UNTIL
MIDNIGHT CDT...

At 1129 PM CDT, Doppler radar was tracking a strong thunderstorm over
Asherville, or 9 miles southeast of Beloit, moving northeast at 15
mph.

Nickel size hail and wind gusts up to 50 mph will be possible with
this storm.

Locations impacted include...
Asherville, Simpson and Scottsville.

A Severe Thunderstorm Watch remains in effect until 400 AM CDT for
north central Kansas.

LAT...LON 3922 9798 3948 9809 3955 9793 3924 9793
TIME...MOT...LOC 0429Z 243DEG 12KT 3938 9797

Billings Wright
Special weather statement, Jun 26, 11:33 PM CDT, 11 minutes before
Special Weather Statement
National Weather Service Hastings NE
1133 PM CDT Fri Jun 26 2020

NEZ086-087-270500-
Thayer NE-Nuckolls NE-
1133 PM CDT Fri Jun 26 2020

...SIGNIFICANT WEATHER ADVISORY FOR SOUTHEASTERN NUCKOLLS AND
SOUTHWESTERN THAYER COUNTIES UNTIL MIDNIGHT CDT...

At 1133 PM CDT, Doppler radar was tracking a strong thunderstorm near
Ruskin, or 24 miles northwest of Belleville, moving northeast at 10
mph.

Penny size hail and wind gusts up to 50 mph will be possible with
this storm.

Locations impacted include...
Deshler, Chester, Hardy, Ruskin and Byron.

A Severe Thunderstorm Watch remains in effect until 400 AM CDT for
south central Nebraska.

LAT...LON 4000 9793 4017 9796 4026 9767 4000 9757
TIME...MOT...LOC 0433Z 243DEG 9KT 4011 9790

Billings Wright

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 26, 8:33 PM CDTSpecial Weather StatementGIDThayer27 min
Jun 26, 11:33 PM CDTSpecial Weather StatementGIDThayer27 min
Jun 27, 12:02 AM CDTSpecial Weather StatementGIDThayer43 min
Jun 27, 12:03 AM CDTSpecial Weather StatementGIDThayer42 min
Jun 27, 12:11 AM CDTSevere Thunderstorm WarningGIDThayer33 min
Jun 27, 12:17 AM CDTSpecial Weather StatementGIDNuckolls28 min
Jun 27, 12:22 AM CDTSevere Thunderstorm WarningGIDNuckolls, Thayer38 min
Jun 27, 12:27 AM CDTSevere Thunderstorm WarningGIDFranklin33 min
Jun 27, 1:02 AM CDTSpecial Weather StatementGIDThayer28 min
Jun 26, 10:30 PM CDTSevere Thunderstorm WarningGIDPhillips, Smith45 min
Jun 26, 11:14 PM CDTSevere Thunderstorm WarningGIDOsborne, Phillips, Rooks, Smith46 min
Jun 26, 11:30 PM CDTSpecial Weather StatementGIDMitchell30 min
Jun 26, 11:57 PM CDTSevere Thunderstorm WarningGIDOsborne, Phillips, Rooks, Smith27 min
Jun 27, 12:36 AM CDTSpecial Weather StatementGIDMitchell39 min
Jun 27, 1:11 AM CDTAreal Flood AdvisoryGIDMitchell6 hr
Jun 27, 1:19 AM CDTSpecial Weather StatementGIDMitchell26 min
Jun 27, 1:45 AM CDTSevere Thunderstorm WarningGIDPhillips, Rooks45 min
Jun 27, 1:54 AM CDTFlash Flood WarningGIDMitchell5 hr
Jun 27, 2:12 AM CDTSevere Thunderstorm WarningGIDOsborne, Phillips, Rooks, Smith48 min
Jun 27, 2:58 AM CDTAreal Flood WarningGIDPhillips, Rooks6 hr
Jun 27, 3:00 AM CDTSpecial Weather StatementGIDJewell, Mitchell, Smith45 min
Jun 27, 6:54 AM CDTRiver Flood WarningGIDMitchell25 hr
Jun 27, 6:57 AM CDTAreal Flood WarningGIDMitchell9 hr

Nearby

Severe Thunderstorm Warnings in Nebraska, 2020Severe Thunderstorm Warnings in Kansas, 2020Every severe thunderstorm warning in 2020

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.