Alert archive / Nebraska / Special Weather Statements in 2021

Special Weather Statement, NWS North Platte, NE

July 10, 2021Lincoln County, Nebraska

NWS North Platte, NE issued this special weather statement at Jul 10, 2021, 2:18 AM CDT for Lincoln County, Nebraska. It was in force for 42 min. 8 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
Jul 10, 2021, 2:18 AM CDT (07:18 UTC)
Expired
Jul 10, 2021, 3:00 AM CDT
In force
42 min
Issued by
NWS North Platte, NE

County Lincoln County, NE

The radar

The North Platte radar (KLNX), 94 km from the middle of the area, began a volume at 07:22 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.

What was reported inside it

TimeReportWhereRemark
Jul 10, 2:20 AM CDTTSTM WND GST 684 E North Platte, NE
Jul 10, 2:27 AM CDTTSTM WND DMG1 Sw North Platte, NESEVERAL TREES UPROOTED
Jul 10, 2:28 AM CDTTSTM WND DMG1 Wsw North Platte, NE4 INCH DIAMETER TREE DOWNED.
Jul 10, 2:30 AM CDTTSTM WND GST 693 E North Platte, NESUSTAINED AT 50 MPH GUSTING TO 69 MPH ON THE BACKSIDE OF A THUNDERSTORM COMPLEX.
Jul 10, 2:38 AM CDTTSTM WND DMG1 E North Platte, NEDELAYED REPORT - ABOUT 6 IN DIAMETER TREE LIMBS TORN OFF AND BLOWN ABOUT A BLOCK JUST EAST OF TOWN TIME ESTIMATED VIA RADAR.
Jul 10, 2:38 AM CDTTSTM WND DMG2 N North Platte, NEDELAYED REPORT LARGE BRANCHES AND TREES BROKEN OFF OR BLOWN OVER AT CODY PARK VIA WCM TIME ESTIMATED VIA RADAR.
Jul 10, 2:38 AM CDTTSTM WND DMG3 E North Platte, NEDELAYED REPORT - LARGE STEEL DUMPSTER BLOWN OVER AT LBF TIME ESTIMATED FROM RADAR.
Jul 10, 2:38 AM CDTTSTM WND DMGNorth Platte, NEDELAYED REPORT - 200 LB TRAMPOLINE PICKED UP AND BLOWN OVER ABOUT 3FT FENCE AND MOVED ABOUT HALF BLOCK TIME ESTIMATED FROM RADAR.

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 00:00Z, 7.3 hours before the alert went out and 13 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 2021-07-10Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 2799 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, N. Platte/Lee Bi, NE at 00:00Z on 2021-07-10The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 30 square meters per square second.19395878Sfc1 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
2799 J/kg
Mixed-layer CIN
-162 J/kg
Mixed-layer LCL
1859 m above ground
0-6 km bulk shear
47 kt
0-1 km storm-relative helicity
30 m²/s²
0-3 km storm-relative helicity
117 m²/s²
Significant tornado parameter
0.0
Supercell composite
4.9

Open this sounding in Storm Lab

The text

As transmitted.

408 
WWUS83 KLBF 100718
SPSLBF

Special Weather Statement
National Weather Service North Platte NE
218 AM CDT Sat Jul 10 2021
 
NEZ037-038-059-100800-
Custer NE-Lincoln NE-Logan NE-
218 AM CDT Sat Jul 10 2021

...SIGNIFICANT WEATHER ADVISORY FOR EASTERN LINCOLN...SOUTHWESTERN
LOGAN AND SOUTHWESTERN CUSTER COUNTIES UNTIL 300 AM CDT...

At 218 AM CDT, Doppler radar was tracking strong thunderstorms along
a line extending from 7 miles southwest of Stapleton to near North
Platte. Movement was southeast at 35 mph.

Wind gusts of 50 to 55 mph will be possible with these storms.

Locations impacted include...
North Platte, Brady, Maxwell, Lake Maloney State Recreation Area,
North Platte Airport, Keith, Cottonwood Canyon State Wildlife
Management Area and Jeffrey Canyon State Wildlife Management Area.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Frequent cloud to ground lightning is occurring with these storms.
Lightning can strike 10 miles away from a thunderstorm. Seek a safe
shelter inside a building or vehicle.

&&

A Severe Thunderstorm Watch remains in effect until 300 AM CDT for
central, southwestern and west central Nebraska.

LAT...LON 4117 10014 4076 10042 4102 10089 4149 10061
TIME...MOT...LOC 0718Z 320DEG 32KT 4138 10060 4114 10073 

$$

Snively

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 9, 7:01 PM CDTSevere Thunderstorm WarningLBFGarden, Sheridan44 min
Jul 9, 7:45 PM CDTSevere Thunderstorm WarningLBFArthur, Garden, Grant45 min
Jul 9, 7:49 PM CDTSpecial Weather StatementLBFBlaine26 min
Jul 9, 8:06 PM CDTSpecial Weather StatementLBFMcPherson24 min
Jul 9, 8:11 PM CDTSpecial Weather StatementLBFLoup34 min
Jul 9, 8:30 PM CDTSpecial Weather StatementLBFLoup45 min
Jul 9, 8:31 PM CDTSpecial Weather StatementLBFMcPherson29 min
Jul 9, 8:45 PM CDTSpecial Weather StatementLBFCuster30 min
Jul 9, 8:58 PM CDTSevere Thunderstorm WarningLBFCuster47 min
Jul 9, 8:59 PM CDTSevere Thunderstorm WarningLBFCuster, Lincoln, Logan46 min
Jul 9, 9:02 PM CDTSevere Thunderstorm WarningLBFCuster43 min
Jul 9, 9:04 PM CDTSpecial Weather StatementLBFHolt41 min
Jul 9, 9:08 PM CDTSpecial Weather StatementLBFWheeler52 min
Jul 9, 9:23 PM CDTSevere Thunderstorm WarningLBFHolt52 min
Jul 9, 9:27 PM CDTSevere Thunderstorm WarningLBFCuster33 min
Jul 9, 9:39 PM CDTSpecial Weather StatementLBFHolt36 min
Jul 9, 9:42 PM CDTSevere Thunderstorm WarningLBFCuster48 min
Jul 9, 9:50 PM CDTSevere Thunderstorm WarningLBFHolt40 min
Jul 9, 10:31 PM CDTSevere Thunderstorm WarningLBFSheridan59 min
Jul 9, 11:05 PM CDTSevere Thunderstorm WarningLBFArthur, Cherry, Garden, Grant, Sheridan55 min
Jul 9, 11:21 PM CDTSpecial Weather StatementLBFSheridan39 min
Jul 9, 11:53 PM CDTSevere Thunderstorm WarningLBFArthur, Cherry, Garden, Grant, Hooker, Keith and 3 more67 min
Jul 9, 11:57 PM CDTTornado WarningLBFArthur, Grant, Hooker, McPherson33 min
Jul 10, 12:45 AM CDTSevere Thunderstorm WarningLBFBlaine, Custer, Hooker, Lincoln, Logan, McPherson and 1 more60 min
Jul 10, 1:20 AM CDTSpecial Weather StatementLBFLincoln40 min
Jul 10, 1:42 AM CDTSpecial Weather StatementLBFCuster48 min
Jul 10, 2:22 AM CDTSevere Thunderstorm WarningLBFLincoln53 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.