Alert archive / Nebraska / Special Weather Statements in 2021

Special Weather Statement, NWS North Platte, NE

June 19, 2021Hayes County, Nebraska

NWS North Platte, NE issued this special weather statement at Jun 19, 2021, 7:35 PM CDT for Hayes County, Nebraska. It was in force for 40 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
Jun 19, 2021, 7:35 PM CDT (00:35 UTC)
Expired
Jun 19, 2021, 8:15 PM CDT
In force
40 min
Issued by
NWS North Platte, NE

County Hayes County, NE

The radar

The Goodland radar (KGLD), 129 km from the middle of the area, began a volume at 00:37 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 90 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 2021-06-20Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 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 2021-06-20The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 113 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
2727 m above ground
0-6 km bulk shear
37 kt
0-1 km storm-relative helicity
113 m²/s²
0-3 km storm-relative helicity
207 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

861 
WWUS83 KLBF 200035
SPSLBF

Special Weather Statement
National Weather Service North Platte NE
735 PM CDT Sat Jun 19 2021
 
NEZ069-070-200115-
Chase NE-Hayes NE-
735 PM CDT Sat Jun 19 2021

...SIGNIFICANT WEATHER ADVISORY FOR SOUTHEASTERN CHASE AND HAYES
COUNTIES UNTIL 815 PM CDT/715 PM MDT/...

At 735 PM CDT/635 PM MDT/, Doppler radar was tracking a strong
thunderstorm near Wauneta, or 16 miles southeast of Imperial, moving
east at 35 mph.

Wind gusts up to 50 mph will be possible with this storm.

Locations impacted include...
Hayes Center, Wauneta, Hamlet and Hayes Center State Wildlife
Management Area.

A Severe Thunderstorm Watch remains in effect until midnight CDT/1100
PM MDT/ for southwestern Nebraska.

LAT...LON 4036 10142 4069 10135 4062 10091 4035 10090
      4035 10113
TIME...MOT...LOC 0035Z 264DEG 28KT 4034 10143 

$$

Roberg

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 19, 8:58 PM CDTSpecial Weather StatementLBFFrontier47 min
Jun 19, 9:09 PM CDTSevere Thunderstorm WarningLBFFrontier, Hayes66 min

Nearby

Special Weather Statements in Nebraska, 2021Every 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.