Alert archive / Nebraska / Severe Thunderstorm Warnings in 2012
Severe Thunderstorm Warning 16, NWS North Platte, NE
NWS North Platte, NE issued this severe thunderstorm warning at Apr 12, 2012, 6:00 PM MDT for Hooker County, McPherson County, Thomas County, Nebraska. It was in force for 45 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, 6:00 PM MDT (00:00 UTC)
- Expired
- Apr 12, 2012, 6:45 PM MDT
- In force
- 45 min
- Issued by
- NWS North Platte, NE
- Area
- Storm-based polygon
- Hail
- 1.0 in
- Wind
- 50.0 mph
Counties Hooker County, NE, McPherson County, NE, Thomas County, NE
The radar
The North Platte radar (KLNX), 31 km from the middle of the area, began a volume at 00:04 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, 6:22 PM MDT | HAIL 0.5 | 19 Nne Tryon, NE |
Local storm reports filed while the alert was in force, from inside its polygon or its counties.
The watch it was issued in
The SPC watch in force over the same counties when this warning went out.
| Issued | Product | Office | Lasted |
|---|---|---|---|
| Apr 12, 5:54 PM MDT | Severe Thunderstorm Watch | SPC | 6 hr |
The nearest sounding before it
N. Platte/Lee Bi, NE (KLBF), launched 00:00Z, 0.0 hours before the alert went out and 89 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
- 188 J/kg
- Mixed-layer CIN
- -78 J/kg
- Mixed-layer LCL
- 487 m above ground
- 0-6 km bulk shear
- 53 kt
- 0-1 km storm-relative helicity
- 458 m²/s²
- 0-3 km storm-relative helicity
- 490 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 2.5
The text
As transmitted, in the capitals the NWS used until 2016.
143 WUUS53 KLBF 130000 SVRLBF NEC091-117-171-130045- /O.NEW.KLBF.SV.W.0016.120413T0000Z-120413T0045Z/ BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE NORTH PLATTE NE 700 PM CDT THU APR 12 2012 THE NATIONAL WEATHER SERVICE IN NORTH PLATTE HAS ISSUED A * SEVERE THUNDERSTORM WARNING FOR... EASTERN HOOKER COUNTY IN WEST CENTRAL NEBRASKA... NORTHEASTERN MCPHERSON COUNTY IN WEST CENTRAL NEBRASKA... WESTERN THOMAS COUNTY IN NORTH CENTRAL NEBRASKA... * UNTIL 745 PM CDT/645 PM MDT/ * AT 655 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM CAPABLE OF PRODUCING QUARTER SIZE HAIL. THIS STORM WAS LOCATED 10 MILES NORTH OF TRYON...AND MOVING NORTHEAST AT 30 MPH. * LOCATIONS IMPACTED INCLUDE... MULLEN...THEDFORD...HIGHWAY 97 CROSSING THE DISMAL RIVER... SENECA...HIGHWAY 97 MILE MARKER 50...HIGHWAY 97 MILE MARKER 60 AND HIGHWAY 2 MILE MARKER 200. 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 4207 10113 4205 10035 4156 10091 4170 10117 TIME...MOT...LOC 0000Z 219DEG 27KT 4173 10097 WIND...HAIL <50MPH 1.00IN $$ MASEK
4 follow-up statements
015 WWUS53 KLBF 130012 SVSLBF SEVERE WEATHER STATEMENT NATIONAL WEATHER SERVICE NORTH PLATTE NE 612 PM MDT THU APR 12 2012 NEC091-117-171-130045- /O.CON.KLBF.SV.W.0016.000000T0000Z-120413T0045Z/ HOOKER NE-MCPHERSON NE-THOMAS NE- 712 PM CDT THU APR 12 2012 ...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT FOR THOMAS... NORTHEASTERN MCPHERSON AND EASTERN HOOKER COUNTIES UNTIL 745 PM CDT/645 PM MDT/... AT 609 PM MDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM CAPABLE OF PRODUCING QUARTER SIZE HAIL. THIS STORM WAS LOCATED 9 MILES SOUTHEAST OF HIGHWAY 97 CROSSING THE DISMAL RIVER...OR 15 MILES NORTH OF TRYON...MOVING NORTHEAST AT 30 MPH. LOCATIONS IMPACTED INCLUDE... MULLEN...THEDFORD...SENECA...HIGHWAY 97 MILE MARKER 60 AND HIGHWAY 2 MILE MARKER 200. PRECAUTIONARY/PREPAREDNESS ACTIONS... SEVERE THUNDERSTORMS PRODUCE DAMAGING WIND IN EXCESS OF 60 MILES PER HOUR...DESTRUCTIVE HAIL...DEADLY LIGHTNING...AND VERY HEAVY RAIN. FOR YOUR PROTECTION MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF YOUR HOME OR BUSINESS. HEAVY RAINS FLOOD ROADS QUICKLY SO DO NOT DRIVE INTO AREAS WHERE WATER COVERS THE ROAD. && LAT...LON 4205 10035 4159 10087 4171 10108 4207 10113 TIME...MOT...LOC 0013Z 226DEG 25KT 4179 10088 WIND...HAIL <50MPH 1.00IN $$ MASEK
110 WWUS53 KLBF 130023 SVSLBF SEVERE WEATHER STATEMENT NATIONAL WEATHER SERVICE NORTH PLATTE NE 723 PM CDT THU APR 12 2012 NEC117-130033- /O.CAN.KLBF.SV.W.0016.000000T0000Z-120413T0045Z/ MCPHERSON NE- 723 PM CDT THU APR 12 2012 ...THE SEVERE THUNDERSTORM WARNING FOR NORTHEASTERN MCPHERSON COUNTY IS CANCELLED... THE STORM WHICH PROMPTED THE WARNING HAS MOVED OUT OF THE WARNED AREA. LAT...LON 4205 10035 4174 10070 4174 10090 4206 10104 TIME...MOT...LOC 0023Z 226DEG 25KT 4184 10081 $$ NEC091-171-130045- /O.CON.KLBF.SV.W.0016.000000T0000Z-120413T0045Z/ HOOKER NE-THOMAS NE- 723 PM CDT THU APR 12 2012 ...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT FOR THOMAS AND EASTERN HOOKER COUNTIES UNTIL 745 PM CDT/645 PM MDT/... AT 618 PM MDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM CAPABLE OF PRODUCING QUARTER SIZE HAIL. THIS STORM WAS LOCATED 10 MILES EAST OF HIGHWAY 97 CROSSING THE DISMAL RIVER...OR 18 MILES SOUTHWEST OF THEDFORD...MOVING NORTHEAST AT 30 MPH. THE SEVERE THUNDERSTORM WILL BE NEAR... THEDFORD AROUND 745 PM CDT. PRECAUTIONARY/PREPAREDNESS ACTIONS... SEVERE THUNDERSTORMS PRODUCE DAMAGING WIND IN EXCESS OF 60 MILES PER HOUR...DESTRUCTIVE HAIL...DEADLY LIGHTNING...AND VERY HEAVY RAIN. FOR YOUR PROTECTION MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF YOUR HOME OR BUSINESS. HEAVY RAINS FLOOD ROADS QUICKLY SO DO NOT DRIVE INTO AREAS WHERE WATER COVERS THE ROAD. && LAT...LON 4205 10035 4174 10070 4174 10090 4206 10104 TIME...MOT...LOC 0023Z 226DEG 25KT 4184 10081 WIND...HAIL <50MPH 1.00IN $$ MASEK
313 WWUS53 KLBF 130035 SVSLBF SEVERE WEATHER STATEMENT NATIONAL WEATHER SERVICE NORTH PLATTE NE 735 PM CDT THU APR 12 2012 NEC091-130045- /O.CAN.KLBF.SV.W.0016.000000T0000Z-120413T0045Z/ HOOKER NE- 635 PM MDT THU APR 12 2012 ...THE SEVERE THUNDERSTORM WARNING FOR EASTERN HOOKER COUNTY IS CANCELLED... THE STORM WHICH PROMPTED THE WARNING HAS MOVED OUT OF THE WARNED AREA. LAT...LON 4205 10035 4174 10070 4174 10084 4206 10085 TIME...MOT...LOC 0035Z 220DEG 36KT 4196 10071 $$ NEC171-130045- /O.CON.KLBF.SV.W.0016.000000T0000Z-120413T0045Z/ THOMAS NE- 735 PM CDT THU APR 12 2012 ...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT FOR THOMAS COUNTY UNTIL 745 PM CDT... AT 732 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM CAPABLE OF PRODUCING QUARTER SIZE HAIL. THIS STORM WAS LOCATED 9 MILES WEST OF THEDFORD...MOVING NORTHEAST AT 40 MPH. THE SEVERE THUNDERSTORM WILL BE NEAR... THEDFORD AROUND 745 PM CDT. PRECAUTIONARY/PREPAREDNESS ACTIONS... SEVERE THUNDERSTORMS PRODUCE DAMAGING WIND IN EXCESS OF 60 MILES PER HOUR...DESTRUCTIVE HAIL...DEADLY LIGHTNING...AND VERY HEAVY RAIN. FOR YOUR PROTECTION MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF YOUR HOME OR BUSINESS. HEAVY RAINS FLOOD ROADS QUICKLY SO DO NOT DRIVE INTO AREAS WHERE WATER COVERS THE ROAD. && LAT...LON 4205 10035 4174 10070 4174 10084 4206 10085 TIME...MOT...LOC 0035Z 220DEG 36KT 4196 10071 WIND...HAIL <50MPH 1.00IN $$ MASEK
444 WWUS53 KLBF 130045 SVSLBF SEVERE WEATHER STATEMENT NATIONAL WEATHER SERVICE NORTH PLATTE NE 745 PM CDT THU APR 12 2012 NEC171-130054- /O.EXP.KLBF.SV.W.0016.000000T0000Z-120413T0045Z/ THOMAS NE- 745 PM CDT THU APR 12 2012 ...THE SEVERE THUNDERSTORM WARNING FOR THOMAS COUNTY WILL EXPIRE AT 745 PM CDT... THE STORM WHICH PROMPTED THE WARNING HAS WEAKENED BELOW SEVERE LIMITS...AND NO LONGER POSES AN IMMEDIATE THREAT TO LIFE OR PROPERTY. ADDITIONAL STRONG THUNDERSTORMS ARE STILL POSSIBLE...AND A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 2 AM CDT. LAT...LON 4205 10035 4174 10070 4174 10084 4206 10085 TIME...MOT...LOC 0044Z 220DEG 36KT 4203 10063 $$ MASEK
The office that day
Everything else NWS North Platte, NE issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Apr 12, 6:13 PM MDT | Severe Thunderstorm Warning | LBF | Frontier, Hayes | 47 min |
| Apr 12, 6:30 PM MDT | Severe Thunderstorm Warning | LBF | Lincoln, Perkins | 45 min |
| Apr 12, 7:10 PM MDT | Severe Thunderstorm Warning | LBF | Lincoln | 50 min |
| Apr 12, 8:02 PM MDT | Areal Flood Advisory | LBF | Lincoln | 104 min |
| Apr 13, 4:44 PM MDT | River Flood Warning | LBF | Lincoln | 22 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.