Alert archive / Nebraska / Severe Thunderstorm Warnings in 2022

Severe Thunderstorm Warning 13, NWS North Platte, NE

April 29, 2022Frontier County, Nebraska

NWS North Platte, NE issued this severe thunderstorm warning at Apr 29, 2022, 4:09 PM CDT for Frontier County, Nebraska. It was in force for 35 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 29, 2022, 4:09 PM CDT (21:09 UTC)
Expired
Apr 29, 2022, 4:44 PM CDT
In force
35 min
Issued by
NWS North Platte, NE
Area
Storm-based polygon
Hail
1.5 in
Wind
50.0 mph

County Frontier County, NE

The radar

The Grand Island radar (KUEX), 142 km from the middle of the area, began a volume at 21:10 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 watch it was issued in

The SPC watch in force over the same counties when this warning went out.

IssuedProductOfficeLasted
Apr 29, 2:15 PM CDTTornado WatchSPC6 hr

The nearest sounding before it

N. Platte/Lee Bi, NE (KLBF), launched 12:00Z, 9.2 hours before the alert went out and 88 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 2022-04-29Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 104 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°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 2022-04-29The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 135 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
104 J/kg
Mixed-layer CIN
-153 J/kg
Mixed-layer LCL
549 m above ground
0-6 km bulk shear
43 kt
0-1 km storm-relative helicity
135 m²/s²
0-3 km storm-relative helicity
207 m²/s²
Significant tornado parameter
0.0
Supercell composite
2.1

Open this sounding in Storm Lab

The text

As transmitted.

116 
WUUS53 KLBF 292109
SVRLBF
NEC063-292200-
/O.NEW.KLBF.SV.W.0013.220429T2109Z-220429T2200Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service North Platte NE
409 PM CDT Fri Apr 29 2022

The National Weather Service in North Platte has issued a

* Severe Thunderstorm Warning for...
  Southeastern Frontier County in southwestern Nebraska...

* Until 500 PM CDT.

* At 409 PM CDT, a severe thunderstorm was located near Cambridge, or
  27 miles southeast of Curtis, moving east at 15 mph.

  HAZARD...Ping pong ball size hail.

  SOURCE...Radar indicated.

  IMPACT...People and animals outdoors will be injured. Expect 
           damage to roofs, siding, windows, and vehicles.

* This severe thunderstorm will remain over mainly rural areas of
  southeastern Frontier County.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Tornado Watch remains in effect until 900 PM CDT for southwestern
Nebraska.

For your protection move to an interior room on the lowest floor of a
building.

A Tornado Watch remains in effect until 900 PM CDT for southwestern
Nebraska.

&&

LAT...LON 4048 10021 4049 9998 4044 9998 4043 10009
      4035 10010 4035 10021
TIME...MOT...LOC 2109Z 261DEG 12KT 4037 10012 

HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...1.50 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...<50 MPH

$$

JWS
1 follow-up statement
010 
WWUS53 KLBF 292144
SVSLBF

Severe Weather Statement
National Weather Service North Platte NE
444 PM CDT Fri Apr 29 2022

NEC063-292154-
/O.CAN.KLBF.SV.W.0013.000000T0000Z-220429T2200Z/
Frontier NE-
444 PM CDT Fri Apr 29 2022

...THE SEVERE THUNDERSTORM WARNING FOR SOUTHEASTERN FRONTIER COUNTY
IS CANCELLED...
        
The storm which prompted the warning has moved out of the area.
Therefore, the warning has been cancelled.  However heavy rain is
still possible with this thunderstorm.

A Tornado Watch remains in effect until 900 PM CDT for southwestern
Nebraska.

LAT...LON 4048 10021 4049 9998 4044 9998 4043 10009
      4035 10010 4035 10021
TIME...MOT...LOC 2143Z 261DEG 12KT 4039 9997 

$$

JWS

The office that day

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

IssuedProductOfficeCountiesLasted
Apr 29, 12:33 AM CDTSpecial Weather StatementLBFFrontier27 min
Apr 29, 12:41 AM CDTSpecial Weather StatementLBFGarden, Sheridan94 min
Apr 29, 1:58 AM CDTHigh Wind WarningLBFArthur, Blaine, Boyd, Brown, Chase, Cherry and 20 more42 hr
Apr 29, 1:59 AM CDTSpecial Weather StatementLBFCherry46 min
Apr 29, 2:11 AM CDTSpecial Weather StatementLBFArthur, Grant49 min
Apr 29, 2:44 AM CDTSpecial Weather StatementLBFCherry46 min
Apr 29, 3:00 AM CDTSpecial Weather StatementLBFArthur, Grant45 min
Apr 29, 3:42 AM CDTSpecial Weather StatementLBFArthur, Hooker, McPherson48 min
Apr 29, 4:31 AM CDTSpecial Weather StatementLBFArthur, Hooker, McPherson44 min
Apr 29, 5:16 AM CDTSpecial Weather StatementLBFMcPherson44 min
Apr 29, 5:35 AM CDTSpecial Weather StatementLBFArthur25 min
Apr 29, 5:58 AM CDTSpecial Weather StatementLBFGrant, Hooker47 min
Apr 29, 6:29 AM CDTSpecial Weather StatementLBFLogan46 min
Apr 29, 7:14 AM CDTSpecial Weather StatementLBFBlaine, Custer46 min
Apr 29, 7:57 AM CDTSpecial Weather StatementLBFCuster48 min
Apr 29, 8:41 AM CDTSpecial Weather StatementLBFCuster49 min
Apr 29, 9:30 AM CDTSpecial Weather StatementLBFGarfield45 min
Apr 29, 12:42 PM CDTSpecial Weather StatementLBFLogan48 min
Apr 29, 3:20 PM CDTSpecial Weather StatementLBFFrontier40 min
Apr 29, 3:43 PM CDTSpecial Weather StatementLBFCuster32 min
Apr 29, 3:55 PM CDTSpecial Weather StatementLBFDawson50 min
Apr 29, 4:12 PM CDTAreal Flood AdvisoryLBFBlaine, Custer, Loup3 hr
Apr 29, 4:18 PM CDTSpecial Weather StatementLBFCuster42 min
Apr 29, 4:24 PM CDTSpecial Weather StatementLBFCuster51 min
Apr 29, 4:28 PM CDTSevere Thunderstorm WarningLBFFrontier23 min
Apr 29, 4:38 PM CDTSevere Thunderstorm WarningLBFCuster52 min
Apr 29, 4:43 PM CDTSpecial Weather StatementLBFLoup32 min
Apr 29, 5:33 PM CDTSpecial Weather StatementLBFGarfield, Wheeler42 min
Apr 29, 5:51 PM CDTSevere Thunderstorm WarningLBFLincoln39 min

Nearby

Severe Thunderstorm Warnings in Nebraska, 2022Every severe thunderstorm warning in 2022

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.