Alert archive / Nebraska / Special Weather Statements in 2021

Special Weather Statement, NWS Hastings, NE

June 25, 2021Sherman County, Nebraska

NWS Hastings, NE issued this special weather statement at Jun 25, 2021, 5:21 PM CDT for Sherman County, Nebraska. It was in force for 39 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 25, 2021, 5:21 PM CDT (22:21 UTC)
Expired: Jun 25, 2021, 6:00 PM CDT
In force: 39 min
Issued by: NWS Hastings, NE

County Sherman County, NE

The radar

The Grand Island radar (KUEX), 107 km from the middle of the area, began a volume at 22:22 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 12:00Z, 10.4 hours before the alert went out and 125 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: 612 J/kg
Mixed-layer CIN: -35 J/kg
Mixed-layer LCL: 859 m above ground
0-6 km bulk shear: 36 kt
0-1 km storm-relative helicity: 24 m²/s²
0-3 km storm-relative helicity: -20 m²/s²
Significant tornado parameter: 0.1
Supercell composite: 0.5

Open this sounding in Storm Lab

The text

As transmitted.

457 
WWUS83 KGID 252221
SPSGID

Special Weather Statement
National Weather Service Hastings NE
521 PM CDT Fri Jun 25 2021
 
NEZ046-047-060-061-252300-
Buffalo NE-Howard NE-Dawson NE-Sherman NE-
521 PM CDT Fri Jun 25 2021

...SIGNIFICANT WEATHER ADVISORY FOR NORTHERN BUFFALO...SHERMAN...
NORTHEASTERN DAWSON AND WESTERN HOWARD COUNTIES UNTIL 600 PM CDT...

At 520 PM CDT, Doppler radar was tracking strong thunderstorms along
a line extending from Mason City to 8 miles north of Miller. Movement
was east at 30 mph.

Nickel size hail and wind gusts up to 50 mph will be possible with
these storms.

Strong thunderstorms will be near...
  Litchfield around 530 PM CDT.

Other locations in the path of these storms include Pleasanton, Loup
City, Hazard, Ravenna, Ashton, Sherman Reservoir Dam and Poole.

A Severe Thunderstorm Watch remains in effect until 900 PM CDT for
south central and central Nebraska.

LAT...LON 4139 9873 4085 9875 4089 9963 4105 9952
      4105 9921 4139 9920
TIME...MOT...LOC 2220Z 266DEG 25KT 4123 9926 4105 9937 

$$

Billings Wright

The office that day

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

Issued	Product	Office	Counties	Lasted
Jun 25, 1:29 PM CDT	Special Weather Statement	GID	Polk	46 min
Jun 25, 2:56 PM CDT	Special Weather Statement	GID	Dawson	34 min
Jun 25, 3:15 PM CDT	Severe Thunderstorm Warning	GID	Buffalo, Dawson	45 min
Jun 25, 3:30 PM CDT	Special Weather Statement	GID	Dawson	45 min
Jun 25, 3:47 PM CDT	Severe Thunderstorm Warning	GID	Buffalo, Sherman	14 min
Jun 25, 4:07 PM CDT	Severe Thunderstorm Warning	GID	Buffalo, Sherman	37 min
Jun 25, 4:44 PM CDT	Special Weather Statement	GID	Dawson	46 min
Jun 25, 5:53 PM CDT	Severe Thunderstorm Warning	GID	Buffalo, Sherman	37 min
Jun 25, 5:56 PM CDT	Special Weather Statement	GID	Greeley	49 min
Jun 25, 6:04 PM CDT	Severe Thunderstorm Warning	GID	Greeley, Valley	41 min
Jun 25, 6:13 PM CDT	Severe Thunderstorm Warning	GID	Buffalo, Hall, Howard, Sherman	32 min
Jun 25, 6:30 PM CDT	Special Weather Statement	GID	Kearney	45 min
Jun 25, 6:34 PM CDT	Special Weather Statement	GID	Greeley	26 min
Jun 25, 6:40 PM CDT	Special Weather Statement	GID	Greeley	50 min
Jun 25, 6:42 PM CDT	Special Weather Statement	GID	Howard, Merrick	48 min
Jun 25, 6:46 PM CDT	Severe Thunderstorm Warning	GID	Franklin, Kearney, Phelps	29 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.