Alert archive / Nebraska / Special Weather Statements in 2021

Special Weather Statement, NWS Hastings, NE

April 28, 2021Howard County, Merrick County, Nance County, Nebraska

NWS Hastings, NE issued this special weather statement at Apr 28, 2021, 2:21 AM CDT for Howard County, Merrick County, Nance 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
Apr 28, 2021, 2:21 AM CDT (07:21 UTC)
Expired
Apr 28, 2021, 3:00 AM CDT
In force
39 min
Issued by
NWS Hastings, NE

Counties Howard County, NE, Merrick County, NE, Nance County, NE

The radar

The Grand Island radar (KUEX), 105 km from the middle of the area, began a volume at 07:23 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, 7.4 hours before the alert went out and 147 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, Omaha, NE at 00:00Z on 2021-04-28Temperature 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, Omaha, NE at 00:00Z on 2021-04-28The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 100 square meters per square second.1939587897Sfc1 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
1104 m above ground
0-6 km bulk shear
66 kt
0-1 km storm-relative helicity
100 m²/s²
0-3 km storm-relative helicity
276 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.1

Open this sounding in Storm Lab

The text

As transmitted.

126 
WWUS83 KGID 280721
SPSGID

Special Weather Statement
National Weather Service Hastings NE
221 AM CDT Wed Apr 28 2021
 
NEZ041-047-048-280800-
Merrick NE-Nance NE-Howard NE-
221 AM CDT Wed Apr 28 2021

...SIGNIFICANT WEATHER ADVISORY FOR NANCE...MERRICK AND HOWARD
COUNTIES UNTIL 300 AM CDT...

At 220 AM CDT, Doppler radar was tracking strong thunderstorms along
a line extending from Farwell to near Elba to near St. Paul to St.
Libory. Movement was northeast at 35 mph.

Half inch hail and wind gusts of 50 to 55 mph will be possible with
these storms.

Locations impacted include...
Central City, St. Paul, Fullerton, Palmer, Clarks, Farwell, Cushing,
St. Libory and Archer.

LAT...LON 4146 9784 4140 9780 4123 9777 4120 9780
      4119 9780 4116 9784 4101 9828 4105 9828
      4105 9842 4110 9843 4116 9848 4120 9856
      4122 9868 4141 9822 4150 9792
TIME...MOT...LOC 0720Z 237DEG 29KT 4123 9864 4125 9849 4122 9841 4115
9837 4108 9835

$$

Heinlein

The office that day

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

IssuedProductOfficeCountiesLasted
Apr 27, 10:51 PM CDTSpecial Weather StatementGIDFurnas39 min
Apr 27, 11:29 PM CDTSpecial Weather StatementGIDDawson, Furnas, Gosper, Harlan, Phelps46 min
Apr 27, 11:48 PM CDTSevere Thunderstorm WarningGIDDawson, Gosper, Phelps42 min
Apr 27, 11:56 PM CDTSevere Thunderstorm WarningGIDFurnas, Gosper, Harlan, Phelps49 min
Apr 28, 12:31 AM CDTSpecial Weather StatementGIDBuffalo44 min
Apr 28, 12:42 AM CDTSpecial Weather StatementGIDKearney48 min
Apr 28, 1:18 AM CDTSpecial Weather StatementGIDHall42 min
Apr 28, 1:30 AM CDTSevere Thunderstorm WarningGIDAdams, Clay, Hall, Hamilton45 min
Apr 28, 1:47 AM CDTSevere Thunderstorm WarningGIDBuffalo, Hall43 min
Apr 28, 2:13 AM CDTSevere Thunderstorm WarningGIDHamilton47 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.