Alert archive / Nebraska / Severe Thunderstorm Warnings in 2021

Severe Thunderstorm Warning 167, NWS Hastings, NE

August 12, 20214 counties in Nebraska

NWS Hastings, NE issued this severe thunderstorm warning at Aug 12, 2021, 11:04 PM CDT for 4 counties in Nebraska. It was in force for 29 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, 11:04 PM CDT (04:04 UTC)
Expired: Aug 12, 2021, 11:33 PM CDT
In force: 29 min
Issued by: NWS Hastings, NE
Area: Storm-based polygon
Hail: 1.0 in
Wind: 60.0 mph

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

The radar

The Grand Island radar (KUEX), 107 km from the middle of the area, began a volume at 04:04 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 nearest sounding before it

N. Platte/Lee Bi, NE (KLBF), launched 00:00Z, 4.1 hours before the alert went out and 118 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.

023 
WUUS53 KGID 130404
SVRGID
NEC065-073-083-137-130445-
/O.NEW.KGID.SV.W.0167.210813T0404Z-210813T0445Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Hastings NE
1104 PM CDT Thu Aug 12 2021

The National Weather Service in Hastings has issued a

* Severe Thunderstorm Warning for...
  Southwestern Phelps County in south central Nebraska...
  Southeastern Gosper County in south central Nebraska...
  Northeastern Furnas County in south central Nebraska...
  Northwestern Harlan County in south central Nebraska...

* Until 1145 PM CDT.

* At 1104 PM CDT, a severe thunderstorm was located near Edison, or
  21 miles southwest of Holdrege, moving east 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...
  Oxford.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 4026 9981 4037 9981 4042 9956 4025 9955
TIME...MOT...LOC 0404Z 250DEG 11KT 4032 9975 

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

$$

Rossi

1 follow-up statement

783 
WWUS53 KGID 130433
SVSGID

Severe Weather Statement
National Weather Service Hastings NE
1133 PM CDT Thu Aug 12 2021

NEC065-073-083-137-130443-
/O.CAN.KGID.SV.W.0167.000000T0000Z-210813T0445Z/
Phelps NE-Gosper NE-Furnas NE-Harlan NE-
1133 PM CDT Thu Aug 12 2021

...THE SEVERE THUNDERSTORM WARNING FOR SOUTHWESTERN PHELPS...
SOUTHEASTERN GOSPER...NORTHEASTERN FURNAS AND NORTHWESTERN HARLAN
COUNTIES IS CANCELLED...
                
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 has been cancelled.  However small hail and
gusty winds are still possible with this thunderstorm.

LAT...LON 4026 9981 4037 9981 4042 9956 4025 9955
TIME...MOT...LOC 0432Z 250DEG 11KT 4035 9964 

$$

Rossi

The office that day

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

Issued	Product	Office	Counties	Lasted
Aug 12, 9:25 PM CDT	Special Weather Statement	GID	Adams, Kearney, Nuckolls	35 min
Aug 12, 10:52 PM CDT	Special Weather Statement	GID	Furnas	38 min
Aug 12, 10:56 PM CDT	Special Weather Statement	GID	Gosper	49 min
Aug 12, 11:35 PM CDT	Special Weather Statement	GID	Kearney	25 min

Nearby

Severe Thunderstorm Warnings in Nebraska, 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.