Alert archive / Nebraska / Severe Thunderstorm Warnings in 2012
Severe Thunderstorm Warning 62, NWS North Platte, NE
NWS North Platte, NE issued this severe thunderstorm warning at May 4, 2012, 10:59 PM CDT for Custer County, Nebraska. It was in force for 21 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
- May 4, 2012, 10:59 PM CDT (03:59 UTC)
- Expired
- May 4, 2012, 11:20 PM CDT
- In force
- 21 min
- Issued by
- NWS North Platte, NE
- Area
- Storm-based polygon
- Hail
- 1.0 in
- Wind
- 60.0 mph
County Custer County, NE
The radar
The North Platte radar (KLNX), 110 km from the middle of the area, began a volume at 03:59 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.
| Issued | Product | Office | Lasted |
|---|---|---|---|
| May 4, 2:00 PM CDT | Severe Thunderstorm Watch | SPC | 9 hr |
The nearest sounding before it
N. Platte/Lee Bi, NE (KLBF), launched 00:00Z, 4.0 hours before the alert went out and 98 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
- 171 J/kg
- Mixed-layer CIN
- -54 J/kg
- Mixed-layer LCL
- 3007 m above ground
- 0-6 km bulk shear
- 35 kt
- 0-1 km storm-relative helicity
- 6 m²/s²
- 0-3 km storm-relative helicity
- 82 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.1
The text
As transmitted, in the capitals the NWS used until 2016.
573 WUUS53 KLBF 050359 SVRLBF NEC041-050445- /O.NEW.KLBF.SV.W.0062.120505T0359Z-120505T0445Z/ BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE NORTH PLATTE NE 1059 PM CDT FRI MAY 4 2012 THE NATIONAL WEATHER SERVICE IN NORTH PLATTE HAS ISSUED A * SEVERE THUNDERSTORM WARNING FOR... EAST CENTRAL CUSTER COUNTY IN CENTRAL NEBRASKA... * UNTIL 1145 PM CDT * AT 1055 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM CAPABLE OF PRODUCING QUARTER SIZE HAIL...AND DAMAGING WINDS IN EXCESS OF 60 MPH. THIS STORM WAS LOCATED NEAR BROKEN BOW...AND MOVING EAST AT 15 MPH. * LOCATIONS IMPACTED INCLUDE... BERWYN...WEISSERT...WESTERVILLE...ARCADIA DIVERSION DAM STATE WILDLIFE MANAGEMENT AREA AND COMSTOCK. PRECAUTIONARY/PREPAREDNESS ACTIONS... SEVERE THUNDERSTORMS PRODUCE DAMAGING WIND IN EXCESS OF 60 MILES PER HOUR...DESTRUCTIVE HAIL...DEADLY LIGHTNING...AND VERY HEAVY RAIN. FOR YOUR PROTECTION MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF YOUR HOME OR BUSINESS. HEAVY RAINS FLOOD ROADS QUICKLY SO DO NOT DRIVE INTO AREAS WHERE WATER COVERS THE ROAD. && LAT...LON 4135 9967 4149 9966 4156 9921 4128 9920 TIME...MOT...LOC 0359Z 272DEG 10KT 4142 9958 WIND...HAIL 60MPH 1.00IN $$ MASEK
2 follow-up statements
739 WWUS53 KLBF 050413 SVSLBF SEVERE WEATHER STATEMENT NATIONAL WEATHER SERVICE NORTH PLATTE NE 1113 PM CDT FRI MAY 4 2012 NEC041-050445- /O.CON.KLBF.SV.W.0062.000000T0000Z-120505T0445Z/ CUSTER NE- 1113 PM CDT FRI MAY 4 2012 ...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT FOR EAST CENTRAL CUSTER COUNTY UNTIL 1145 PM CDT... AT 1109 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM CAPABLE OF PRODUCING QUARTER SIZE HAIL...AND DAMAGING WINDS IN EXCESS OF 60 MPH. THIS STORM WAS LOCATED 5 MILES NORTH OF BERWYN...OR 6 MILES EAST OF BROKEN BOW...MOVING EAST AT 15 MPH. LOCATIONS IMPACTED INCLUDE... BERWYN...WEISSERT...WESTERVILLE AND ARCADIA DIVERSION DAM STATE WILDLIFE MANAGEMENT AREA. PRECAUTIONARY/PREPAREDNESS ACTIONS... SEVERE THUNDERSTORMS PRODUCE DAMAGING WIND IN EXCESS OF 60 MILES PER HOUR...DESTRUCTIVE HAIL...DEADLY LIGHTNING...AND VERY HEAVY RAIN. FOR YOUR PROTECTION MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF YOUR HOME OR BUSINESS. HEAVY RAINS FLOOD ROADS QUICKLY SO DO NOT DRIVE INTO AREAS WHERE WATER COVERS THE ROAD. TORRENTIAL RAINFALL IS ALSO OCCURRING WITH THIS STORM...AND MAY LEAD TO FLASH FLOODING. DO NOT DRIVE YOUR VEHICLE THROUGH FLOODED ROADWAYS. && LAT...LON 4135 9967 4149 9966 4156 9921 4128 9920 TIME...MOT...LOC 0413Z 270DEG 12KT 4142 9951 WIND...HAIL 60MPH 1.00IN $$ MASEK
092 WWUS53 KLBF 050420 SVSLBF SEVERE WEATHER STATEMENT NATIONAL WEATHER SERVICE NORTH PLATTE NE 1120 PM CDT FRI MAY 4 2012 NEC041-050430- /O.CAN.KLBF.SV.W.0062.000000T0000Z-120505T0445Z/ CUSTER NE- 1120 PM CDT FRI MAY 4 2012 ...THE SEVERE THUNDERSTORM WARNING FOR EAST CENTRAL CUSTER COUNTY IS CANCELLED... THE STORM WHICH PROMPTED THE WARNING HAS WEAKENED BELOW SEVERE LIMITS...AND NO LONGER POSES AN IMMEDIATE THREAT TO LIFE OR PROPERTY. HOWEVER HEAVY RAIN IS STILL POSSIBLE WITH THIS THUNDERSTORM. IN ADDITION...STRONG THUNDERSTORMS MAY REDEVELOP...AND A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 5 AM CDT. LAT...LON 4135 9967 4149 9966 4156 9921 4128 9920 TIME...MOT...LOC 0420Z 270DEG 12KT 4142 9948 $$ MASEK
The office that day
Everything else NWS North Platte, NE issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 4, 7:02 PM CDT | Severe Thunderstorm Warning | LBF | Garfield, Wheeler | 58 min |
| May 4, 8:52 PM CDT | Severe Thunderstorm Warning | LBF | Custer | 38 min |
| May 4, 8:54 PM CDT | Severe Thunderstorm Warning | LBF | Wheeler | 18 min |
| May 4, 9:47 PM CDT | Severe Thunderstorm Warning | LBF | Custer | 43 min |
| May 4, 10:12 PM CDT | Tornado Warning | LBF | Custer | 16 min |
| May 5, 7:33 AM CDT | Dense Fog Advisory | LBF | Blaine, Boyd, Brown, Garfield, Holt, Keya Paha and 3 more | 4 hr |
Nearby
Severe Thunderstorm Warnings in Nebraska, 2012Every severe thunderstorm warning in 2012
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.