Alert archive / Kansas / Severe Thunderstorm Warnings in 2021

Severe Thunderstorm Warning 166, NWS Hastings, NE

August 12, 2021Smith County, Kansas

NWS Hastings, NE issued this severe thunderstorm warning at Aug 12, 2021, 7:35 PM CDT for Smith County, Kansas. It was in force for 25 min. No storm report in the archive falls inside the area while it was in force.

The area

The outline as issued.

The facts

Issued: Aug 12, 2021, 7:35 PM CDT (00:35 UTC)
Expired: Aug 12, 2021, 8:00 PM CDT
In force: 25 min
Issued by: NWS Hastings, NE
Area: Storm-based polygon
Hail: 1.0 in
Wind: 60.0 mph

County Smith County, KS

The radar

The Grand Island radar (KUEX), 75 km from the middle of the area, began a volume at 00:38 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 nearest sounding before it

N. Platte/Lee Bi, NE (KLBF), launched 00:00Z, 0.6 hours before the alert went out and 224 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-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

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: 0 J/kg
Mixed-layer CIN: No buoyant parcel
Mixed-layer LCL: 2490 m above ground
0-6 km bulk shear: 36 kt
0-1 km storm-relative helicity: -40 m²/s²
0-3 km storm-relative helicity: 129 m²/s²
Significant tornado parameter: 0.0
Supercell composite: -0.0

Open this sounding in Storm Lab

The text

As transmitted.

959 
WUUS53 KGID 130035
SVRGID
KSC183-130100-
/O.NEW.KGID.SV.W.0166.210813T0035Z-210813T0100Z/

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

The National Weather Service in Hastings has issued a

* Severe Thunderstorm Warning for...
  Southern Smith County in north central Kansas...

* Until 800 PM CDT.

* At 734 PM CDT, a severe thunderstorm was located near Gaylord, or
  29 miles east of Phillipsburg, moving north at 10 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.

* Locations impacted include...
  Smith Center and Athol.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

To report severe weather, contact your nearest law enforcement
agency. They will send your report to the National Weather Service
office in Hastings.

Torrential rainfall is occurring with this storm, and may lead to
flash flooding. Do not drive your vehicle through flooded roadways.

&&

LAT...LON 3960 9863 3960 9893 3982 9896 3982 9861
TIME...MOT...LOC 0034Z 178DEG 7KT 3966 9879 

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

$$

ADP

1 follow-up statement

845 
WWUS53 KGID 130056
SVSGID

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

KSC183-130106-
/O.EXP.KGID.SV.W.0166.000000T0000Z-210813T0100Z/
Smith KS-
756 PM CDT Thu Aug 12 2021

...THE SEVERE THUNDERSTORM WARNING FOR SOUTHERN SMITH COUNTY WILL
EXPIRE AT 800 PM CDT...
                
The storm which prompted the warning has weakened below severe
limits, and no longer poses an immediate threat to life or property.
Therefore, the warning will be allowed to expire.  However small
hail, gusty winds and heavy rain are still possible with this
thunderstorm.

To report severe weather, contact your nearest law enforcement
agency. They will relay your report to the National Weather Service
Hastings.

LAT...LON 3960 9863 3960 9893 3982 9896 3982 9861
TIME...MOT...LOC 0056Z 178DEG 7KT 3970 9879 

$$

ADP

The office that day

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

Issued	Product	Office	Counties	Lasted
Aug 12, 7:05 PM CDT	Severe Thunderstorm Warning	GID	Rooks	25 min
Aug 12, 7:12 PM CDT	Severe Thunderstorm Warning	GID	Osborne, Smith	33 min
Aug 12, 7:57 PM CDT	Special Weather Statement	GID	Smith	33 min

Nearby

Severe Thunderstorm Warnings in Kansas, 2021 Every 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.