Alert archive / Kansas / Severe Thunderstorm Warnings in 2021

Severe Thunderstorm Warning 161, NWS Hastings, NE

August 12, 2021Osborne County, Kansas

NWS Hastings, NE issued this severe thunderstorm warning at Aug 12, 2021, 6:12 PM CDT for Osborne County, Kansas. It was in force for 33 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
Aug 12, 2021, 6:12 PM CDT (23:12 UTC)
Expired
Aug 12, 2021, 6:45 PM CDT
In force
33 min
Issued by
NWS Hastings, NE
Area
Storm-based polygon
Hail
1.0 in
Wind
60.0 mph

County Osborne County, KS

The radar

The Grand Island radar (KUEX), 115 km from the middle of the area, began a volume at 23:12 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
Aug 12, 6:28 PM CDTHAIL 17 S Alton, KSSCATTERED HAIL UP TO QUARTER SIZE.

Local storm reports filed while the alert was in force, from inside its polygon or its counties.

The nearest sounding before it

Dodge City, (KDDC), launched 12:00Z, 11.2 hours before the alert went out and 196 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, Dodge City, at 12:00Z on 2021-08-12Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1295 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, Dodge City, at 12:00Z on 2021-08-12The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 61 square meters per square second.1939Sfc1 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
1295 J/kg
Mixed-layer CIN
-253 J/kg
Mixed-layer LCL
2035 m above ground
0-6 km bulk shear
5 kt
0-1 km storm-relative helicity
61 m²/s²
0-3 km storm-relative helicity
105 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.9

Open this sounding in Storm Lab

The text

As transmitted.

356 
WUUS53 KGID 122312
SVRGID
KSC141-122345-
/O.NEW.KGID.SV.W.0161.210812T2312Z-210812T2345Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Hastings NE
612 PM CDT Thu Aug 12 2021

The National Weather Service in Hastings has issued a

* Severe Thunderstorm Warning for...
  Northwestern Osborne County in north central Kansas...

* Until 645 PM CDT.

* At 612 PM CDT, a severe thunderstorm was located near Alton, or 33
  miles southeast of Phillipsburg, moving north at 20 mph.

  HAZARD...60 mph wind gusts and quarter size hail.

  SOURCE...Radar indicated.

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

* This severe thunderstorm will be near...
  Alton around 625 PM CDT.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 3926 9905 3930 9905 3954 9904 3952 9866
      3926 9868
TIME...MOT...LOC 2312Z 179DEG 16KT 3941 9888 

HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...1.00 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH

$$

ADP
1 follow-up statement
812 
WWUS53 KGID 122324
SVSGID

Severe Weather Statement
National Weather Service Hastings NE
624 PM CDT Thu Aug 12 2021

KSC141-122345-
/O.CON.KGID.SV.W.0161.000000T0000Z-210812T2345Z/
Osborne KS-
624 PM CDT Thu Aug 12 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 645 PM CDT
FOR NORTHWESTERN OSBORNE COUNTY...

At 623 PM CDT, a severe thunderstorm was located near Alton, or 33
miles southeast of Phillipsburg, moving north at 15 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 storm will be near...
  Alton around 645 PM CDT.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 3926 9905 3930 9905 3954 9904 3952 9866
      3926 9868
TIME...MOT...LOC 2323Z 174DEG 12KT 3940 9890 

HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...1.25 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH

$$

ADP

The office that day

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

IssuedProductOfficeCountiesLasted
Aug 12, 4:37 PM CDTSpecial Weather StatementGIDOsborne23 min
Aug 12, 4:51 PM CDTSevere Thunderstorm WarningGIDOsborne24 min
Aug 12, 5:00 PM CDTSevere Thunderstorm WarningGIDMitchell, Osborne30 min
Aug 12, 5:07 PM CDTSevere Thunderstorm WarningGIDRooks23 min
Aug 12, 5:28 PM CDTSevere Thunderstorm WarningGIDMitchell, Osborne32 min
Aug 12, 5:42 PM CDTSpecial Weather StatementGIDOsborne33 min
Aug 12, 5:44 PM CDTSevere Thunderstorm WarningGIDOsborne31 min
Aug 12, 6:29 PM CDTSpecial Weather StatementGIDMitchell31 min
Aug 12, 6:31 PM CDTSpecial Weather StatementGIDMitchell29 min
Aug 12, 6:33 PM CDTSevere Thunderstorm WarningGIDOsborne, Rooks27 min
Aug 12, 6:42 PM CDTSevere Thunderstorm WarningGIDOsborne33 min
Aug 12, 6:57 PM CDTSpecial Weather StatementGIDRooks33 min

Nearby

Severe Thunderstorm Warnings in Kansas, 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.