Alert archive / Nebraska / Severe Thunderstorm Warnings in 2012
Severe Thunderstorm Warning 9, NWS North Platte, NE
NWS North Platte, NE issued this severe thunderstorm warning at Apr 12, 2012, 3:36 PM MDT for Deuel County, Garden County, Nebraska. It was in force for 39 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
- Apr 12, 2012, 3:36 PM MDT (21:36 UTC)
- Expired
- Apr 12, 2012, 4:15 PM MDT
- In force
- 39 min
- Issued by
- NWS North Platte, NE
- Area
- Storm-based polygon
- Hail
- 1.0 in
- Wind
- 50.0 mph
Counties Deuel County, NE, Garden County, NE
The radar
The North Platte radar (KLNX), 172 km from the middle of the area, began a volume at 21:37 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 |
|---|---|---|---|
| Apr 12, 3:45 PM MDT | HAIL 1 | 4 S Chappell, 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 12:00Z, 9.6 hours before the alert went out and 152 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
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 665 m above ground
- 0-6 km bulk shear
- 25 kt
- 0-1 km storm-relative helicity
- 179 m²/s²
- 0-3 km storm-relative helicity
- 130 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
722 WUUS53 KLBF 122136 SVRLBF NEC049-069-122215- /O.NEW.KLBF.SV.W.0009.120412T2136Z-120412T2215Z/ BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE NORTH PLATTE NE 336 PM MDT THU APR 12 2012 THE NATIONAL WEATHER SERVICE IN NORTH PLATTE HAS ISSUED A * SEVERE THUNDERSTORM WARNING FOR... WESTERN DEUEL COUNTY IN THE PANHANDLE OF NEBRASKA... SOUTHERN GARDEN COUNTY IN THE PANHANDLE OF NEBRASKA... * UNTIL 415 PM MDT * AT 332 PM MDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM CAPABLE OF PRODUCING QUARTER SIZE HAIL. THIS STORM WAS LOCATED 6 MILES SOUTH OF CHAPPELL...AND MOVING NORTHEAST AT 35 MPH. * THE SEVERE THUNDERSTORM WILL BE NEAR... INTERSECTION OF HIGHWAY 27 AND 9 MILE ROAD AROUND 405 PM MDT. OTHER LOCATIONS IMPACTED BY THIS SEVERE THUNDERSTORM INCLUDE HIGHWAY 27 MILE MARKER 100. PRECAUTIONARY/PREPAREDNESS ACTIONS... IF YOU ARE IN THE PATH OF THIS STORM...PREPARE IMMEDIATELY FOR LARGE HAIL AND DEADLY CLOUD TO GROUND LIGHTNING. PEOPLE OUTSIDE SHOULD MOVE TO A SHELTER...PREFERABLY INSIDE A STRONG BUILDING AND AWAY FROM WINDOWS. && LAT...LON 4138 10255 4140 10204 4099 10231 4100 10259 TIME...MOT...LOC 2136Z 205DEG 30KT 4105 10248 WIND...HAIL <50MPH 1.00IN $$ STOPPKOTTE
2 follow-up statements
850 WWUS53 KLBF 122151 SVSLBF SEVERE WEATHER STATEMENT NATIONAL WEATHER SERVICE NORTH PLATTE NE 351 PM MDT THU APR 12 2012 NEC049-069-122215- /O.CON.KLBF.SV.W.0009.000000T0000Z-120412T2215Z/ DEUEL NE-GARDEN NE- 351 PM MDT THU APR 12 2012 ...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT FOR SOUTHERN GARDEN AND WESTERN DEUEL COUNTIES UNTIL 415 PM MDT... AT 346 PM MDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM CAPABLE OF PRODUCING QUARTER SIZE HAIL. THIS STORM WAS LOCATED NEAR CHAPPELL...MOVING NORTHEAST AT 35 MPH. THE SEVERE THUNDERSTORM WILL BE NEAR... INTERSECTION OF HIGHWAY 27 AND 9 MILE ROAD AROUND 410 PM MDT. PRECAUTIONARY/PREPAREDNESS ACTIONS... SEVERE THUNDERSTORMS PRODUCE DAMAGING WIND IN EXCESS OF 60 MILES PER HOUR...DESTRUCTIVE HAIL...DEADLY LIGHTNING...AND VERY HEAVY RAIN. FOR YOUR PROTECTION MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF YOUR HOME OR BUSINESS. HEAVY RAINS FLOOD ROADS QUICKLY SO DO NOT DRIVE INTO AREAS WHERE WATER COVERS THE ROAD. && LAT...LON 4138 10255 4140 10204 4099 10231 4100 10259 TIME...MOT...LOC 2151Z 205DEG 30KT 4113 10240 WIND...HAIL <50MPH 1.00IN $$ STOPPKOTTE
429 WWUS53 KLBF 122211 SVSLBF SEVERE WEATHER STATEMENT NATIONAL WEATHER SERVICE NORTH PLATTE NE 511 PM CDT THU APR 12 2012 NEC049-069-122221- /O.EXP.KLBF.SV.W.0009.000000T0000Z-120412T2215Z/ DEUEL NE-GARDEN NE- 411 PM MDT THU APR 12 2012 ...THE SEVERE THUNDERSTORM WARNING FOR SOUTHERN GARDEN AND WESTERN DEUEL COUNTIES WILL EXPIRE AT 515 PM CDT... THE STORM WHICH PROMPTED THE WARNING HAS WEAKENED BELOW SEVERE LIMITS...AND NO LONGER POSES AN IMMEDIATE THREAT TO LIFE OR PROPERTY. HOWEVER SMALL HAIL IS STILL POSSIBLE WITH THIS THUNDERSTORM. LAT...LON 4138 10255 4140 10204 4099 10231 4100 10259 TIME...MOT...LOC 2211Z 205DEG 30KT 4128 10231 $$ STOPPKOTTE
The office that day
Everything else NWS North Platte, NE issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Apr 12, 3:39 PM MDT | Severe Thunderstorm Warning | LBF | Arthur, Keith | 38 min |
| Apr 12, 3:43 PM MDT | Severe Thunderstorm Warning | LBF | Keith | 47 min |
| Apr 12, 4:12 PM MDT | Severe Thunderstorm Warning | LBF | Arthur, Keith | 33 min |
| Apr 12, 4:44 PM MDT | Severe Thunderstorm Warning | LBF | Arthur, Keith, McPherson | 31 min |
| Apr 12, 5:13 PM MDT | Severe Thunderstorm Warning | LBF | Keith, Perkins | 47 min |
| Apr 12, 5:14 PM MDT | Severe Thunderstorm Warning | LBF | McPherson | 46 min |
| Apr 12, 5:55 PM MDT | Tornado Warning | LBF | Perkins | 35 min |
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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.