Alert archive / Nebraska / Special Weather Statements in 2021

Special Weather Statement, NWS Hastings, NE

August 4, 2021Hamilton County, Nebraska

NWS Hastings, NE issued this special weather statement at Aug 4, 2021, 7:39 PM CDT for Hamilton County, Nebraska. It was in force for 36 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 4, 2021, 7:39 PM CDT (00:39 UTC)
Expired: Aug 4, 2021, 8:15 PM CDT
In force: 36 min
Issued by: NWS Hastings, NE
Hail: 0.75 in
Wind: 50

County Hamilton County, NE

The radar

The Grand Island radar (KUEX), 61 km from the middle of the area, began a volume at 00:39 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

Omaha, NE (KOAX), launched 00:00Z, 0.7 hours before the alert went out and 168 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: 34 J/kg
Mixed-layer CIN: -270 J/kg
Mixed-layer LCL: 1414 m above ground
0-6 km bulk shear: 24 kt
0-1 km storm-relative helicity: 212 m²/s²
0-3 km storm-relative helicity: 567 m²/s²
Significant tornado parameter: 0.0
Supercell composite: -0.0

Open this sounding in Storm Lab

The text

As transmitted.

773 
WWUS83 KGID 050039
SPSGID

Special Weather Statement
National Weather Service Hastings NE
739 PM CDT Wed Aug 4 2021
 
NEZ048-062-063-050115-
Merrick NE-Hamilton NE-Hall NE-
739 PM CDT Wed Aug 4 2021

...A strong thunderstorm will impact portions of west central
Hamilton, southwestern Merrick and east central Hall Counties through
815 PM CDT...

At 738 PM CDT, Doppler radar was tracking a strong thunderstorm 
between Doniphan and Grand Island, moving northeast at 20 mph.

HAZARD...Wind gusts up to 50 mph and penny size hail.

SOURCE...Radar indicated.

IMPACT...Gusty winds could knock down tree limbs and blow around 
         unsecured objects. Minor damage to outdoor objects is 
         possible.

Locations impacted include...
  Phillips.

This includes Interstate 80 between mile markers 312 and 327.
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...

If outdoors, seek shelter inside a building. 

&&

LAT...LON 4078 9837 4087 9841 4103 9820 4083 9802
TIME...MOT...LOC 0038Z 246DEG 17KT 4084 9833 

MAX HAIL SIZE...0.75 IN
MAX WIND GUST...50 MPH

$$

Mangels

The office that day

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

Issued	Product	Office	Counties	Lasted
Aug 4, 8:37 PM CDT	Special Weather Statement	GID	Adams	38 min
Aug 4, 9:02 PM CDT	Special Weather Statement	GID	Adams	28 min
Aug 4, 9:15 PM CDT	Special Weather Statement	GID	Clay	30 min
Aug 4, 9:43 PM CDT	Special Weather Statement	GID	Hamilton	32 min
Aug 4, 10:16 PM CDT	Special Weather Statement	GID	Hamilton, York	44 min
Aug 5, 4:17 PM CDT	Special Weather Statement	GID	Buffalo	28 min
Aug 5, 4:40 PM CDT	Severe Thunderstorm Warning	GID	Buffalo	21 min

Nearby

Special Weather Statements in Nebraska, 2021 Every special weather statement 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.