Alert archive / Nebraska / Special Weather Statements in 2018

Special Weather Statement, NWS Hastings, NE

July 19, 2018Nance County, Nebraska

NWS Hastings, NE issued this special weather statement at Jul 19, 2018, 3:21 AM CDT for Nance County, Nebraska. It was in force for 24 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
Jul 19, 2018, 3:21 AM CDT (08:21 UTC)
Expired
Jul 19, 2018, 3:45 AM CDT
In force
24 min
Issued by
NWS Hastings, NE

County Nance County, NE

The radar

The Omaha radar (KOAX), 119 km from the middle of the area, began a volume at 08:22 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

Omaha, NE (KOAX), launched 00:00Z, 8.4 hours before the alert went out and 119 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 2018-07-19Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 922 joules per kilogram.LCLLFCEL10008507005003002001001 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 2018-07-19The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 3 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
922 J/kg
Mixed-layer CIN
-4 J/kg
Mixed-layer LCL
1005 m above ground
0-6 km bulk shear
37 kt
0-1 km storm-relative helicity
3 m²/s²
0-3 km storm-relative helicity
64 m²/s²
Significant tornado parameter
0.1
Supercell composite
1.1

Open this sounding in Storm Lab

The text

As transmitted.

593 
WWUS83 KGID 190821
SPSGID

Special Weather Statement
National Weather Service Hastings NE
321 AM CDT THU JUL 19 2018
 
NEZ041-190845-
Nance NE-
321 AM CDT THU JUL 19 2018

...SIGNIFICANT WEATHER ADVISORY FOR NORTHEASTERN NANCE COUNTY UNTIL
345 AM CDT...

At 321 AM CDT, Doppler radar was tracking a strong thunderstorm near
St. Edward, or 24 miles west of Columbus, moving southeast at 35 mph.

Dime to penny size hail will be possible with this storm.

Locations impacted include...
Genoa...and mainly rural areas north of Genoa. 

LAT...LON 4139 9770 4139 9771 4151 9791 4151 9789
      4153 9788 4153 9771
TIME...MOT...LOC 0821Z 299DEG 29KT 4152 9781 

$$

Pfannkuch

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 18, 7:51 PM CDTSevere Thunderstorm WarningGIDSherman, Valley39 min
Jul 18, 8:01 PM CDTSpecial Weather StatementGIDValley29 min
Jul 18, 8:21 PM CDTSevere Thunderstorm WarningGIDSherman39 min
Jul 18, 8:48 PM CDTSevere Thunderstorm WarningGIDBuffalo42 min
Jul 18, 8:58 PM CDTSevere Thunderstorm WarningGIDSherman17 min
Jul 18, 9:28 PM CDTTornado WarningGIDBuffalo32 min
Jul 18, 9:32 PM CDTSevere Thunderstorm WarningGIDSherman, Valley43 min
Jul 18, 9:43 PM CDTSevere Thunderstorm WarningGIDAdams, Kearney47 min
Jul 18, 10:20 PM CDTSevere Thunderstorm WarningGIDBuffalo40 min
Jul 18, 10:25 PM CDTSpecial Weather StatementGIDFranklin, Webster35 min
Jul 18, 10:34 PM CDTSevere Thunderstorm WarningGIDFranklin, Webster41 min
Jul 18, 10:48 PM CDTSevere Thunderstorm WarningGIDAdams, Kearney42 min
Jul 18, 11:56 PM CDTSpecial Weather StatementGIDGreeley34 min
Jul 19, 12:20 AM CDTSpecial Weather StatementGIDNance40 min
Jul 19, 12:45 AM CDTSevere Thunderstorm WarningGIDNance30 min
Jul 19, 1:03 AM CDTSpecial Weather StatementGIDMerrick, Nance, Polk42 min
Jul 19, 1:08 AM CDTSevere Thunderstorm WarningGIDHamilton, Merrick, Nance, Polk37 min
Jul 19, 1:38 AM CDTSevere Thunderstorm WarningGIDPolk, York37 min
Jul 19, 1:43 AM CDTSpecial Weather StatementGIDYork32 min
Jul 19, 2:14 AM CDTSpecial Weather StatementGIDFillmore46 min
Jul 19, 11:02 AM CDTSpecial Weather StatementGIDPhillips43 min
Jul 19, 11:24 AM CDTSevere Thunderstorm WarningGIDPhillips51 min
Jul 19, 11:35 AM CDTSevere Thunderstorm WarningGIDPhillips, Rooks40 min
Jul 19, 11:51 AM CDTSevere Thunderstorm WarningGIDPhillips, Smith39 min
Jul 19, 11:54 AM CDTSevere Thunderstorm WarningGIDMitchell, Osborne51 min
Jul 19, 12:29 PM CDTSevere Thunderstorm WarningGIDJewell, Smith46 min
Jul 19, 12:31 PM CDTSevere Thunderstorm WarningGIDMitchell29 min
Jul 19, 1:15 PM CDTSpecial Weather StatementGIDMitchell45 min
Jul 19, 2:19 PM CDTSpecial Weather StatementGIDRooks41 min

Nearby

Special Weather Statements in Nebraska, 2018Every special weather statement in 2018

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.