Alert archive / Nebraska / Severe Thunderstorm Warnings in 2017
Severe Thunderstorm Warning 2, NWS North Platte, NE
NWS North Platte, NE issued this severe thunderstorm warning at Mar 23, 2017, 7:19 PM CDT for Custer County, Nebraska. It was in force for 26 min. 3 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
- Mar 23, 2017, 7:19 PM CDT (00:19 UTC)
- Expired
- Mar 23, 2017, 7:45 PM CDT
- In force
- 26 min
- Issued by
- NWS North Platte, NE
- Area
- Storm-based polygon
- Hail
- 1.25 in
- Wind
- 50.0 mph
County Custer County, NE
The radar
The North Platte radar (KLNX), 98 km from the middle of the area, began a volume at 00:18 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
| Time | Report | Where | Remark |
|---|---|---|---|
| Mar 23, 7:20 PM CDT | HAIL 1.25 | 13 E Callaway, NE | |
| Mar 23, 7:25 PM CDT | HAIL 2.5 | 6 Ene Callaway, NE | REPORT VIA SOCIAL MEDIA OF TENNIS BALL SIZE HAIL. |
| Mar 23, 7:30 PM CDT | HAIL 1 | 4 W Broken Bow, NE |
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, 0.3 hours before the alert went out and 75 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.
- Mixed-layer CAPE
- 1331 J/kg
- Mixed-layer CIN
- -132 J/kg
- Mixed-layer LCL
- 1799 m above ground
- 0-6 km bulk shear
- 78 kt
- 0-1 km storm-relative helicity
- 230 m²/s²
- 0-3 km storm-relative helicity
- 260 m²/s²
- Significant tornado parameter
- 0.2
- Supercell composite
- 3.2
The text
As transmitted.
433 WUUS53 KLBF 240019 SVRLBF NEC041-240045- /O.NEW.KLBF.SV.W.0002.170324T0019Z-170324T0045Z/ BULLETIN - IMMEDIATE BROADCAST REQUESTED Severe Thunderstorm Warning National Weather Service North Platte NE 719 PM CDT THU MAR 23 2017 The National Weather Service in North Platte has issued a * Severe Thunderstorm Warning for... Central Custer County in central Nebraska... * Until 745 PM CDT * At 718 PM CDT, a severe thunderstorm was located near Callaway, or 11 miles southwest of Broken Bow, moving north at 60 mph. HAZARD...Half dollar size hail. SOURCE...Radar indicated. IMPACT...Damage to vehicles is expected. * Locations impacted include... Broken Bow, Callaway, Merna and Lodi. PRECAUTIONARY/PREPAREDNESS ACTIONS... For your protection move to an interior room on the lowest floor of a building. Large hail and damaging winds and continuous cloud to ground lightning is occurring with this storm. Move indoors immediately. Lightning is one of nature's leading killers. Remember, if you can hear thunder, you are close enough to be struck by lightning. && LAT...LON 4115 9976 4122 9999 4162 9980 4150 9942 TIME...MOT...LOC 0018Z 197DEG 52KT 4130 9982 HAIL...1.25IN WIND...<50MPH $$ JWS
2 follow-up statements
104 WWUS53 KLBF 240027 SVSLBF Severe Weather Statement National Weather Service North Platte NE 727 PM CDT THU MAR 23 2017 NEC041-240045- /O.CON.KLBF.SV.W.0002.000000T0000Z-170324T0045Z/ Custer NE- 727 PM CDT THU MAR 23 2017 ...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 745 PM CDT FOR CENTRAL CUSTER COUNTY... At 726 PM CDT, a severe thunderstorm was located near Merna, or near Broken Bow, moving north at 55 mph. HAZARD...Half dollar size hail. SOURCE...Public. IMPACT...Damage to vehicles is expected. Locations impacted include... Broken Bow, Callaway, Merna and Lodi. PRECAUTIONARY/PREPAREDNESS ACTIONS... This storm is producing large hail. SEEK SHELTER NOW inside a sturdy structure and stay away from windows. Continuous cloud to ground lightning is occurring with this storm. Move indoors immediately. Lightning is one of nature's leading killers. Remember, if you can hear thunder, you are close enough to be struck by lightning. && LAT...LON 4115 9976 4122 9999 4162 9980 4150 9942 TIME...MOT...LOC 0026Z 198DEG 49KT 4140 9977 HAIL...1.25IN WIND...<50MPH $$ JWS
886 WWUS53 KLBF 240034 SVSLBF Severe Weather Statement National Weather Service North Platte NE 734 PM CDT THU MAR 23 2017 NEC041-240045- /O.CON.KLBF.SV.W.0002.000000T0000Z-170324T0045Z/ Custer NE- 734 PM CDT THU MAR 23 2017 ...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 745 PM CDT FOR CENTRAL CUSTER COUNTY... At 733 PM CDT, a severe thunderstorm was located over Merna, or near Broken Bow, moving north at 50 mph. HAZARD...Half dollar size hail. SOURCE...Radar indicated. IMPACT...Damage to vehicles is expected. Locations impacted include... Broken Bow, Callaway, Merna and Lodi. PRECAUTIONARY/PREPAREDNESS ACTIONS... This storm is producing large hail. SEEK SHELTER NOW inside a sturdy structure and stay away from windows. Continuous cloud to ground lightning is occurring with this storm. Move indoors immediately. Lightning is one of nature's leading killers. Remember, if you can hear thunder, you are close enough to be struck by lightning. && LAT...LON 4115 9976 4122 9999 4162 9980 4150 9942 TIME...MOT...LOC 0033Z 198DEG 41KT 4145 9975 HAIL...1.25IN WIND...<50MPH $$ JWS
The office that day
Everything else NWS North Platte, NE issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Mar 23, 7:03 PM CDT | Special Weather Statement | LBF | Custer | 42 min |
| Mar 23, 7:46 PM CDT | Severe Thunderstorm Warning | LBF | Custer, Loup | 29 min |
| Mar 23, 8:17 PM CDT | Severe Thunderstorm Warning | LBF | Custer | 43 min |
| Mar 23, 8:27 PM CDT | Special Weather Statement | LBF | Logan | 48 min |
| Mar 23, 9:08 PM CDT | Special Weather Statement | LBF | Custer | 52 min |
| Mar 23, 9:49 PM CDT | Areal Flood Advisory | LBF | Custer | 6 hr |
Nearby
Severe Thunderstorm Warnings in Nebraska, 2017Every severe thunderstorm warning in 2017
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.