Alert archive / Nebraska / Severe Thunderstorm Warnings in 2020

Severe Thunderstorm Warning 119, NWS Hastings, NE

July 9, 20205 counties in Nebraska

NWS Hastings, NE issued this severe thunderstorm warning at Jul 9, 2020, 2:01 AM CDT for 5 counties in Nebraska. It was in force for 44 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
Jul 9, 2020, 2:01 AM CDT (07:01 UTC)
Expired
Jul 9, 2020, 2:45 AM CDT
In force
44 min
Issued by
NWS Hastings, NE
Area
Storm-based polygon
Hail
1.75 in
Wind
50.0 mph

Counties Franklin County, NE, Furnas County, NE, Gosper County, NE, Harlan County, NE, Phelps County, NE

The radar

The Grand Island radar (KUEX), 90 km from the middle of the area, began a volume at 07:04 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
Jul 8, 9:41 PM CDTSevere Thunderstorm WatchSPC7 hr

The nearest sounding before it

N. Platte/Lee Bi, NE (KLBF), launched 00:00Z, 7.0 hours before the alert went out and 130 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 2020-07-09Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 2624 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 2020-07-09The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 8 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
2624 J/kg
Mixed-layer CIN
-22 J/kg
Mixed-layer LCL
2346 m above ground
0-6 km bulk shear
25 kt
0-1 km storm-relative helicity
8 m²/s²
0-3 km storm-relative helicity
59 m²/s²
Significant tornado parameter
0.0
Supercell composite
3.6

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 Jul 9, 12:19 AM CDT, 1 hour 42 minutes earlier.

Area forecast discussion, Jul 9, 12:19 AM CDT, 1 hour 42 minutes before
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Hazardous weather outlook, Jul 8, 10:12 PM CDT, 3 hours 49 minutes before
Hazardous Weather Outlook
National Weather Service Hastings NE
1012 PM CDT Wed Jul 8 2020

KSZ005>007-017>019-NEZ039>041-046>049-060>064-072>077-082>087-
091200-
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-
1012 PM CDT Wed Jul 8 2020

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

.DAY ONE...Tonight.

Severe thunderstorms are expected into the overnight hours with
damaging winds of 70 mph the primary hazard. A few storms could
produce large hail the size of half dollars and an isolated
tornado cannot be ruled out. In addition, heavy rainfall may
accompany the storms and lead to localized flooding.

.DAYS TWO THROUGH SEVEN...Thursday through Tuesday.

Periodic chances for thunderstorms are in the forecast for most
of the period. Predictability is low regarding severe weather
chances.

.SPOTTER INFORMATION STATEMENT...

Spotters are encouraged to report any severe weather tonight.

&&

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

In the hours before

Local storm report, Jul 9, 1:21 AM CDT, 40 minutes before
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Local storm report, Jul 9, 1:23 AM CDT, 38 minutes before
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Local storm report, Jul 9, 1:32 AM CDT, 29 minutes before
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Local storm report, Jul 9, 1:35 AM CDT, 26 minutes before
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Local storm report, Jul 9, 1:37 AM CDT, 24 minutes before
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Special weather statement, Jul 9, 1:43 AM CDT, 18 minutes before
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The office that day

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

IssuedProductOfficeCountiesLasted
Jul 8, 9:11 PM CDTSevere Thunderstorm WarningGIDDawson49 min
Jul 8, 9:35 PM CDTSevere Thunderstorm WarningGIDFurnas, Gosper, Phelps40 min
Jul 8, 9:50 PM CDTSpecial Weather StatementGIDGreeley, Valley40 min
Jul 8, 9:56 PM CDTSpecial Weather StatementGIDDawson49 min
Jul 8, 10:01 PM CDTSevere Thunderstorm WarningGIDFranklin, Furnas, Gosper, Harlan, Kearney, Phelps44 min
Jul 8, 10:28 PM CDTSevere Thunderstorm WarningGIDBuffalo, Dawson, Sherman, Valley47 min
Jul 8, 10:33 PM CDTSevere Thunderstorm WarningGIDFranklin, Furnas, Harlan, Kearney, Phelps, Webster42 min
Jul 8, 10:36 PM CDTSevere Thunderstorm WarningGIDGreeley, Howard, Merrick, Nance, Sherman, Valley39 min
Jul 8, 10:39 PM CDTSpecial Weather StatementGIDValley36 min
Jul 8, 10:54 PM CDTSpecial Weather StatementGIDAdams, Hall, Kearney51 min
Jul 8, 11:06 PM CDTSevere Thunderstorm WarningGIDBuffalo, Hall, Howard, Merrick, Sherman39 min
Jul 8, 11:09 PM CDTSevere Thunderstorm WarningGIDAdams, Franklin, Harlan, Kearney, Nuckolls, Phelps and 1 more51 min
Jul 8, 11:16 PM CDTSpecial Weather StatementGIDMerrick, Nance, Polk44 min
Jul 8, 11:31 PM CDTSevere Thunderstorm WarningGIDNuckolls, Webster44 min
Jul 8, 11:31 PM CDTSevere Thunderstorm WarningGIDAdams, Clay, Fillmore, Hall, Hamilton, Merrick and 2 more44 min
Jul 8, 11:58 PM CDTSevere Thunderstorm WarningGIDClay, Fillmore, Hamilton, Nuckolls, Thayer, York62 min
Jul 9, 12:08 AM CDTSpecial Weather StatementGIDPolk37 min
Jul 9, 12:59 AM CDTSpecial Weather StatementGIDFurnas, Harlan46 min
Jul 9, 1:43 AM CDTSpecial Weather StatementGIDHarlan47 min
Jul 9, 1:45 AM CDTAreal Flood AdvisoryGIDFranklin, Harlan3 hr
Jul 9, 2:46 AM CDTAreal Flood AdvisoryGIDFranklin, Harlan3 hr
Jul 9, 2:51 AM CDTSpecial Weather StatementGIDFranklin, Harlan39 min
Jul 9, 12:00 AM CDTSpecial Weather StatementGIDPhillips45 min
Jul 9, 12:12 AM CDTSevere Thunderstorm WarningGIDJewell, Mitchell, Osborne, Smith48 min
Jul 9, 1:03 AM CDTSpecial Weather StatementGIDJewell, Mitchell, Smith42 min
Jul 9, 3:12 AM CDTAreal Flood AdvisoryGIDJewell, Mitchell, Smith3 hr
Jul 9, 3:22 AM CDTSpecial Weather StatementGIDOsborne38 min
Jul 9, 4:00 AM CDTSpecial Weather StatementGIDMitchell, Osborne45 min

Nearby

Severe Thunderstorm Warnings in Nebraska, 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.