Alert archive / Nebraska / Severe Thunderstorm Warnings in 2017
Severe Thunderstorm Warning 4, NWS North Platte, NE
NWS North Platte, NE issued this severe thunderstorm warning at Mar 23, 2017, 8:17 PM CDT for Custer County, Nebraska. It was in force for 43 min. 1 report 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, 8:17 PM CDT (01:17 UTC)
- Expired
- Mar 23, 2017, 9:00 PM CDT
- In force
- 43 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), 94 km from the middle of the area, began a volume at 01:20 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, 8:34 PM CDT | HAIL 2 | 4 W Broken Bow, NE | HAIL REPORTED ON CALLAWAY ROAD. |
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, 1.3 hours before the alert went out and 73 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.
754 WUUS53 KLBF 240117 SVRLBF NEC041-240200- /O.NEW.KLBF.SV.W.0004.170324T0117Z-170324T0200Z/ BULLETIN - IMMEDIATE BROADCAST REQUESTED Severe Thunderstorm Warning National Weather Service North Platte NE 817 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 900 PM CDT * At 816 PM CDT, a severe thunderstorm was located near Callaway, or 13 miles southwest of Broken Bow, moving northeast at 35 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... Prepare immediately for large hail and deadly cloud to ground lightning. Seek shelter inside a well-built structure. Stay away from windows. && LAT...LON 4119 9979 4126 10001 4161 9983 4155 9948 TIME...MOT...LOC 0116Z 219DEG 30KT 4130 9985 HAIL...1.25IN WIND...<50MPH $$ JWS
3 follow-up statements
518 WWUS53 KLBF 240127 SVSLBF Severe Weather Statement National Weather Service North Platte NE 827 PM CDT THU MAR 23 2017 NEC041-240200- /O.CON.KLBF.SV.W.0004.000000T0000Z-170324T0200Z/ Custer NE- 827 PM CDT THU MAR 23 2017 ...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 900 PM CDT FOR CENTRAL CUSTER COUNTY... At 826 PM CDT, a severe thunderstorm was located near Broken Bow, moving northeast at 55 mph. HAZARD...Half dollar size hail. SOURCE...Radar indicated. IMPACT...Damage to vehicles is expected. Locations impacted include... Broken Bow, Callaway, Merna and Lodi. PRECAUTIONARY/PREPAREDNESS ACTIONS... For your protection move to an interior room on the lowest floor of a building. Continuous cloud to ground lightning is occurring with this storm. Move indoors immediately. Lightning is one of nature's leading killers. Remember, if you can hear thunder, you are close enough to be struck by lightning. && LAT...LON 4119 9979 4126 10001 4161 9983 4155 9948 TIME...MOT...LOC 0126Z 216DEG 47KT 4140 9975 HAIL...1.25IN WIND...<50MPH $$ JWS
144 WWUS53 KLBF 240137 SVSLBF Severe Weather Statement National Weather Service North Platte NE 837 PM CDT THU MAR 23 2017 NEC041-240200- /O.CON.KLBF.SV.W.0004.000000T0000Z-170324T0200Z/ Custer NE- 837 PM CDT THU MAR 23 2017 ...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 900 PM CDT FOR CENTRAL CUSTER COUNTY... At 837 PM CDT, a severe thunderstorm was located near Merna, or 7 miles west of Broken Bow, moving northeast at 45 mph. HAZARD...Quarter 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. 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 4119 9979 4126 10001 4161 9983 4155 9948 TIME...MOT...LOC 0137Z 221DEG 38KT 4139 9977 HAIL...1.00IN WIND...<50MPH $$ JWS
868
WWUS53 KLBF 240158
SVSLBF
Severe Weather Statement
National Weather Service North Platte NE
858 PM CDT THU MAR 23 2017
NEC041-240207-
/O.EXP.KLBF.SV.W.0004.000000T0000Z-170324T0200Z/
Custer NE-
858 PM CDT THU MAR 23 2017
...THE SEVERE THUNDERSTORM WARNING FOR CENTRAL CUSTER COUNTY WILL
EXPIRE AT 900 PM CDT...
The storm which prompted the warning has weakened below severe
limits, and no longer pose an immediate threat to life or property.
Therefore the warning will be allowed to expire. However heavy rain
is still possible with this thunderstorm.
LAT...LON 4119 9979 4126 10001 4161 9983 4155 9948
TIME...MOT...LOC 0157Z 219DEG 30KT 4149 9966
$$
JWSThe 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, 7:19 PM CDT | Severe Thunderstorm Warning | LBF | Custer | 26 min |
| Mar 23, 7:46 PM CDT | Severe Thunderstorm Warning | LBF | Custer, Loup | 29 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.