Alert archive / Nebraska / Special Weather Statements in 2021

Special Weather Statement, NWS Hastings, NE

April 4, 2021Adams County, Franklin County, Kearney County, Nebraska

NWS Hastings, NE issued this special weather statement at Apr 4, 2021, 6:21 PM CDT for Adams County, Franklin County, Kearney County, Nebraska. It was in force for 39 min. 2 reports came from inside the area while it was in force.

The area

The outline as issued, with what was reported inside it.

The facts

Issued
Apr 4, 2021, 6:21 PM CDT (23:21 UTC)
Expired
Apr 4, 2021, 7:00 PM CDT
In force
39 min
Issued by
NWS Hastings, NE

Counties Adams County, NE, Franklin County, NE, Kearney County, NE

The radar

The Grand Island radar (KUEX), 43 km from the middle of the area, began a volume at 23:20 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.

What was reported inside it

TimeReportWhereRemark
Apr 4, 6:47 PM CDTTSTM WND GST 551 W Heartwell, NEOUTFLOW FROM WEAK CONVECTION. MEASURED VIA PERSONAL WEATHER STATION.
Apr 4, 6:48 PM CDTTSTM WND GST 543 Ene Heartwell, NEOUTFLOW FROM WEAK CONVECTION. MEASURED VIA PERSONAL WEATHER STATION.

Local storm reports filed while the alert was in force, from inside its polygon or its counties.

The nearest sounding before it

N. Platte/Lee Bi, NE (KLBF), launched 12:00Z, 11.4 hours before the alert went out and 161 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 12:00Z on 2021-04-04Temperature 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°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, N. Platte/Lee Bi, NE at 12:00Z on 2021-04-04The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 20 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
3948 m above ground
0-6 km bulk shear
22 kt
0-1 km storm-relative helicity
20 m²/s²
0-3 km storm-relative helicity
38 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

571 
WWUS83 KGID 042321
SPSGID

Special Weather Statement
National Weather Service Hastings NE
621 PM CDT Sun Apr 4 2021
 
NEZ061-062-073>075-084-085-050000-
Franklin NE-Buffalo NE-Adams NE-Webster NE-Hall NE-Phelps NE-
Kearney NE-
621 PM CDT Sun Apr 4 2021

...SIGNIFICANT WEATHER ADVISORY FOR NORTHERN FRANKLIN...NORTHWESTERN
WEBSTER...ADAMS...KEARNEY...EASTERN BUFFALO AND SOUTHERN HALL
COUNTIES UNTIL 700 PM CDT...

At 621 PM CDT, Doppler radar was tracking showers along a line 
extending from near Kearney to Norman to 6 miles north of Franklin. 
Movement was northeast at 35 mph.

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

Locations impacted include...
Kearney, Hastings, Minden, Gibbon, Wood River, Shelton, Blue Hill,
Kenesaw, Juniata, Axtell, Hildreth, Campbell, Bladen, Roseland,
Holstein, Upland, Bloomington, Ayr, Heartwell and Prosser.

LAT...LON 4098 9887 4071 9829 4028 9837 4009 9909
      4039 9905 4064 9923
TIME...MOT...LOC 2321Z 237DEG 30KT 4066 9903 4047 9880 4019 9893 

$$

Thies

The office that day

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

IssuedProductOfficeCountiesLasted
Apr 4, 3:07 PM CDTRed Flag WarningGIDNuckolls, Thayer5 hr
Apr 4, 4:46 PM CDTSpecial Weather StatementGIDGosper44 min
Apr 4, 5:52 PM CDTSpecial Weather StatementGIDBuffalo, Phelps38 min
Apr 4, 6:35 PM CDTSpecial Weather StatementGIDBuffalo, Sherman40 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.