Alert archive / Nebraska / Severe Thunderstorm Warnings in 2012
Severe Thunderstorm Warning 154, NWS North Platte, NE
NWS North Platte, NE issued this severe thunderstorm warning at Jul 12, 2012, 2:51 PM MDT for Keith County, Perkins County, Nebraska. It was in force for 39 min. 5 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
- Jul 12, 2012, 2:51 PM MDT (20:51 UTC)
- Expired
- Jul 12, 2012, 3:30 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 Keith County, NE, Perkins County, NE
The radar
The North Platte radar (KLNX), 143 km from the middle of the area, began a volume at 20:51 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 |
|---|---|---|---|
| Jul 12, 2:53 PM MDT | HAIL 1 | Brule, NE | NICKLE TO QUARTER SIZED HAIL OCCURRING AT TIME OF REPORT...ALONG WITH HEAVY RAIN. |
| Jul 12, 2:55 PM MDT | HAIL 0.88 | 1 Ne Brule, NE | |
| Jul 12, 2:58 PM MDT | HAIL 1.25 | Brule, NE | QUARTER TO HALF DOLLAR SIZED HAIL IN BRULE REPORTED BY LAW ENFORCEMENT. |
| Jul 12, 3:10 PM MDT | HAIL 0.5 | Brule, NE | PEA TO MARBLE SIZE HAIL STILL OCCURRING WITH EASTERLY WIND GUSTS ESTIMATED AT 40 T0 45 MPH. |
| Jul 12, 3:16 PM MDT | HAIL 0.75 | 6 Sse Brule, NE | PEA TO PENNY SIZED HAIL NEARLY COVERING GROUND. |
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, 8.9 hours before the alert went out and 99 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
- 1940 m above ground
- 0-6 km bulk shear
- 15 kt
- 0-1 km storm-relative helicity
- 65 m²/s²
- 0-3 km storm-relative helicity
- 139 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
333 WUUS53 KLBF 122051 SVRLBF NEC101-135-122130- /O.NEW.KLBF.SV.W.0154.120712T2051Z-120712T2130Z/ BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE NORTH PLATTE NE 251 PM MDT THU JUL 12 2012 THE NATIONAL WEATHER SERVICE IN NORTH PLATTE HAS ISSUED A * SEVERE THUNDERSTORM WARNING FOR... SOUTHERN KEITH COUNTY IN SOUTHWEST NEBRASKA... NORTH CENTRAL PERKINS COUNTY IN SOUTHWEST NEBRASKA... * UNTIL 330 PM MDT * AT 246 PM MDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM CAPABLE OF PRODUCING QUARTER SIZE HAIL. THIS STORM WAS LOCATED NEAR BRULE...OR 9 MILES NORTHEAST OF BIG SPRINGS...AND MOVING SOUTHEAST AT 15 MPH. * THE SEVERE THUNDERSTORM WILL BE NEAR... BRULE AROUND 300 PM MDT. OTHER LOCATIONS IMPACTED BY THIS SEVERE THUNDERSTORM INCLUDE INTERSTATE 80 MILE MARKER 120 AND HIGHWAY 61 MILE MARKER 80. 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. IN ADDITION TO LARGE HAIL AND DAMAGING WINDS...CONTINUOUS CLOUD TO GROUND LIGHTNING IS OCCURRING WITH THIS STORM. MOVE INDOORS IMMEDIATELY. LIGHTNING IS ONE OF NATURES LEADING KILLERS. REMEMBER... IF YOU CAN HEAR THUNDER...YOU ARE CLOSE ENOUGH TO BE STRUCK BY LIGHTNING. && LAT...LON 4099 10157 4088 10185 4111 10203 4120 10187 TIME...MOT...LOC 2051Z 321DEG 11KT 4111 10191 WIND...HAIL <50MPH 1.00IN $$ STOPPKOTTE
3 follow-up statements
193 WWUS53 KLBF 122102 SVSLBF SEVERE WEATHER STATEMENT NATIONAL WEATHER SERVICE NORTH PLATTE NE 402 PM CDT THU JUL 12 2012 NEC101-135-122130- /O.CON.KLBF.SV.W.0154.000000T0000Z-120712T2130Z/ KEITH NE-PERKINS NE- 302 PM MDT THU JUL 12 2012 ...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT FOR NORTH CENTRAL PERKINS AND SOUTHERN KEITH COUNTIES UNTIL 330 PM MDT... AT 300 PM MDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM CAPABLE OF PRODUCING PING PONG BALL SIZE HAIL. THIS STORM WAS LOCATED NEAR BRULE...OR 9 MILES WEST OF OGALLALA... MOVING SOUTHEAST AT 15 MPH. THE SEVERE THUNDERSTORM WILL AFFECT MAINLY RURAL AREAS OF NORTH CENTRAL PERKINS AND SOUTHERN KEITH COUNTIES NEAR BRULE...INCLUDING THE FOLLOWING LOCATIONS INTERSTATE 80 MILE MARKER 120 AND HIGHWAY 61 MILE MARKER 80. PRECAUTIONARY/PREPAREDNESS ACTIONS... SEVERE THUNDERSTORMS PRODUCE DAMAGING WIND IN EXCESS OF 60 MILES PER HOUR...DESTRUCTIVE HAIL...DEADLY LIGHTNING...AND VERY HEAVY RAIN. FOR YOUR PROTECTION MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF YOUR HOME OR BUSINESS. HEAVY RAINS FLOOD ROADS QUICKLY SO DO NOT DRIVE INTO AREAS WHERE WATER COVERS THE ROAD. THIS STORM HAS A HISTORY OF PRODUCING LARGE HAIL. SEEK SHELTER NOW INSIDE A STURDY STRUCTURE AND STAY AWAY FROM WINDOWS. IN ADDITION TO LARGE HAIL AND DAMAGING WINDS...CONTINUOUS CLOUD TO GROUND LIGHTNING IS OCCURRING WITH THIS STORM. MOVE INDOORS IMMEDIATELY. LIGHTNING IS ONE OF NATURE'S LEADING KILLERS. REMEMBER...IF YOU CAN HEAR THUNDER...YOU ARE CLOSE ENOUGH TO BE STRUCK BY LIGHTNING. && LAT...LON 4099 10157 4088 10185 4111 10203 4120 10187 TIME...MOT...LOC 2101Z 321DEG 11KT 4109 10188 WIND...HAIL <50MPH 1.50IN $$ STOPPKOTTE
504 WWUS53 KLBF 122113 SVSLBF SEVERE WEATHER STATEMENT NATIONAL WEATHER SERVICE NORTH PLATTE NE 413 PM CDT THU JUL 12 2012 NEC101-135-122130- /O.CON.KLBF.SV.W.0154.000000T0000Z-120712T2130Z/ KEITH NE-PERKINS NE- 313 PM MDT THU JUL 12 2012 ...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT FOR NORTH CENTRAL PERKINS AND SOUTHERN KEITH COUNTIES UNTIL 330 PM MDT... AT 309 PM MDT...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 BRULE...OR 9 MILES SOUTHWEST OF OGALLALA...MOVING SOUTHEAST AT 15 MPH. THE SEVERE THUNDERSTORM WILL AFFECT MAINLY RURAL AREAS OF NORTH CENTRAL PERKINS AND SOUTHERN KEITH COUNTIES...NEAR INTERSTATE 80 JUST SOUTH OF BRULE AND INCLUDING THE FOLLOWING LOCATIONS HIGHWAY 61 MILE MARKER 80. 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. THIS STORM HAS A HISTORY OF PRODUCING LARGE HAIL. SEEK SHELTER NOW INSIDE A STURDY STRUCTURE AND STAY AWAY FROM WINDOWS. IN ADDITION TO LARGE HAIL AND DAMAGING WINDS...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 4099 10157 4088 10185 4111 10203 4120 10187 TIME...MOT...LOC 2112Z 321DEG 11KT 4106 10186 WIND...HAIL 60MPH 1.00IN $$ STOPPKOTTE
532 WWUS53 KLBF 122130 SVSLBF SEVERE WEATHER STATEMENT NATIONAL WEATHER SERVICE NORTH PLATTE NE 430 PM CDT THU JUL 12 2012 NEC101-135-122139- /O.EXP.KLBF.SV.W.0154.000000T0000Z-120712T2130Z/ KEITH NE-PERKINS NE- 330 PM MDT THU JUL 12 2012 ...THE SEVERE THUNDERSTORM WARNING FOR NORTH CENTRAL PERKINS AND SOUTHERN KEITH COUNTIES WILL EXPIRE AT 430 PM CDT/330 PM MDT/... THE STORM WHICH PROMPTED THE WARNING HAS WEAKENED BELOW SEVERE LIMITS...AND NO LONGER POSES AN IMMEDIATE THREAT TO LIFE OR PROPERTY. HOWEVER SMALL HAIL...GUSTY WINDS AND HEAVY RAIN ARE STILL POSSIBLE WITH THIS THUNDERSTORM...AND FREQUENT LIGHTNING AS WELL WHICH MAY BE CAPABLE OF FIRE STARTS. LAT...LON 4099 10157 4088 10185 4111 10203 4120 10187 TIME...MOT...LOC 2129Z 321DEG 11KT 4102 10182 $$ STOPPKOTTE
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.