Alert archive / Nebraska / Severe Thunderstorm Warnings in 2012

Severe Thunderstorm Warning 4, NWS North Platte, NE

March 18, 2012Hayes County, Lincoln County, Nebraska

NWS North Platte, NE issued this severe thunderstorm warning at Mar 18, 2012, 7:53 PM CDT for Hayes County, Lincoln County, Nebraska. It was in force for 52 min. 6 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
Mar 18, 2012, 7:53 PM CDT (00:53 UTC)
Expired
Mar 18, 2012, 8:45 PM CDT
In force
52 min
Issued by
NWS North Platte, NE
Area
Storm-based polygon
Hail
1.0 in
Wind
60.0 mph

Counties Hayes County, NE, Lincoln County, NE

The radar

The North Platte radar (KLNX), 124 km from the middle of the area, began a volume at 00:52 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

TimeReportWhereRemark
Mar 18, 8:04 PM CDTHAIL 0.8815 N Hayes Center, NE
Mar 18, 8:25 PM CDTHAIL 0.258 Sw North Platte, NE
Mar 18, 8:28 PM CDTHAIL 0.755 Sse Hershey, NE
Mar 18, 8:30 PM CDTHAIL 17 N Hayes Center, NE
Mar 18, 8:31 PM CDTTSTM WND GST 5010 S North Platte, NE
Mar 18, 8:39 PM CDTNON-TSTM WND GST 513 E North Platte, 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 00:00Z, 0.9 hours before the alert went out and 47 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.

Skew-T log-pSkew-T log-p diagram, N. Platte/Lee Bi, NE at 00:00Z on 2012-03-19Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1047 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, N. Platte/Lee Bi, NE at 00:00Z on 2012-03-19The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 185 square meters per square second.1939587897Sfc1 km3 km6 km9 kmRMLM
The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.
Mixed-layer CAPE
1047 J/kg
Mixed-layer CIN
-43 J/kg
Mixed-layer LCL
1861 m above ground
0-6 km bulk shear
43 kt
0-1 km storm-relative helicity
185 m²/s²
0-3 km storm-relative helicity
252 m²/s²
Significant tornado parameter
0.1
Supercell composite
6.8

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

269 
WUUS53 KLBF 190053
SVRLBF
NEC085-111-190145-
/O.NEW.KLBF.SV.W.0004.120319T0053Z-120319T0145Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE NORTH PLATTE NE
753 PM CDT SUN MAR 18 2012

THE NATIONAL WEATHER SERVICE IN NORTH PLATTE HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  CENTRAL HAYES COUNTY IN SOUTHWEST NEBRASKA...
  SOUTHWESTERN LINCOLN COUNTY IN SOUTHWEST NEBRASKA...

* UNTIL 845 PM CDT

* AT 748 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
  HAYES CENTER...AND MOVING NORTH AT 55 MPH.

* THE SEVERE THUNDERSTORM WILL BE NEAR...
  DICKENS AND WALLACE AROUND 815 PM CDT.
  SUTHERLAND RESERVOIR STATE RECREATION AREA AROUND 835 PM CDT.
  HERSHEY AROUND 840 PM CDT.

OTHER LOCATIONS IMPACTED BY THIS SEVERE THUNDERSTORM INCLUDE HIGHWAY
25 MILE MARKER 50 AND HIGHWAY 25 MILE MARKER 60.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

THIS IS A SUPERCELL THUNDERSTORM. DUE TO THE ROTATING NATURE OF THESE
STORMS...THEY ARE CAPABLE OF PRODUCING ALL TYPES OF SEVERE WEATHER...
INCLUDING EXTREMELY LARGE HAIL...DESTRUCTIVE STRAIGHT LINE WINDS AND
POSSIBLY TORNADOES. MOVE QUICKLY TO A SAFE SHELTER...PREFERABLY INTO
AN INTERIOR ROOM...SUCH AS A BATHROOM OR A CLOSET...OR INTO A
BASEMENT.

&&

LAT...LON 4122 10125 4119 10066 4043 10098 4045 10122
TIME...MOT...LOC 0053Z 187DEG 47KT 4055 10108
WIND...HAIL 60MPH 1.00IN

$$

TAYLOR
3 follow-up statements
192 
WWUS53 KLBF 190108
SVSLBF

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE NORTH PLATTE NE
708 PM MDT SUN MAR 18 2012

NEC085-111-190145-
/O.CON.KLBF.SV.W.0004.000000T0000Z-120319T0145Z/
HAYES NE-LINCOLN NE-
808 PM CDT SUN MAR 18 2012

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT FOR SOUTHWESTERN
LINCOLN AND CENTRAL HAYES COUNTIES UNTIL 845 PM CDT...

AT 806 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
DICKENS...OR 21 MILES NORTH OF HAYES CENTER...MOVING NORTH AT 75 MPH.

IN ADDITION...AT 804 PM CDT NICKEL SIZE HAIL WAS REPORTED 15 MILES 
NORTH OF HAYES CENTER WITH THIS STORM.

THE SEVERE THUNDERSTORM WILL BE NEAR...
  HERSHEY AND NORTH PLATTE AROUND 825 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 4122 10125 4119 10066 4043 10098 4045 10122
TIME...MOT...LOC 0107Z 194DEG 65KT 4084 10099
WIND...HAIL 60MPH 1.00IN

$$

TAYLOR
784 
WWUS53 KLBF 190122
SVSLBF

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE NORTH PLATTE NE
822 PM CDT SUN MAR 18 2012

NEC085-111-190145-
/O.CON.KLBF.SV.W.0004.000000T0000Z-120319T0145Z/
HAYES NE-LINCOLN NE-
822 PM CDT SUN MAR 18 2012

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT FOR SOUTHWESTERN
LINCOLN AND CENTRAL HAYES COUNTIES UNTIL 845 PM CDT...

AT 820 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 11 MILES
WEST OF LAKE MALONEY STATE RECREATION AREA...OR 13 MILES SOUTHWEST OF
NORTH PLATTE...MOVING NORTH AT 60 MPH.

THE SEVERE THUNDERSTORM WILL BE NEAR...
  HERSHEY AROUND 830 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 4122 10125 4119 10066 4043 10098 4045 10122
TIME...MOT...LOC 0122Z 192DEG 54KT 4102 10095
WIND...HAIL 60MPH 1.00IN

$$

TAYLOR
313 
WWUS53 KLBF 190131
SVSLBF

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE NORTH PLATTE NE
831 PM CDT SUN MAR 18 2012

NEC085-111-190145-
/O.CON.KLBF.SV.W.0004.000000T0000Z-120319T0145Z/
HAYES NE-LINCOLN NE-
831 PM CDT SUN MAR 18 2012

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT FOR SOUTHWESTERN
LINCOLN AND CENTRAL HAYES COUNTIES UNTIL 845 PM CDT...

AT 829 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 6 MILES
NORTHWEST OF HAYES CENTER STATE WILDLIFE MANAGEMENT AREA...OR 9 MILES
NORTH OF HAYES CENTER...MOVING NORTH AT 60 MPH.

THE SEVERE THUNDERSTORM WILL BE NEAR...
  DICKENS AROUND 840 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 4122 10125 4119 10066 4043 10098 4045 10122
TIME...MOT...LOC 0132Z 192DEG 54KT 4069 10100
WIND...HAIL 60MPH 1.00IN

$$

TAYLOR

The office that day

Everything else NWS North Platte, NE issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Mar 18, 7:06 PM CDTSevere Thunderstorm WarningLBFKeith, Lincoln, Perkins39 min
Mar 18, 7:38 PM CDTSevere Thunderstorm WarningLBFArthur, Keith, Lincoln, McPherson52 min
Mar 18, 8:05 PM CDTSevere Thunderstorm WarningLBFCherry, Hooker, McPherson40 min
Mar 18, 8:42 PM CDTSevere Thunderstorm WarningLBFLincoln48 min
Mar 18, 9:04 PM CDTTornado WarningLBFLincoln26 min
Mar 18, 9:28 PM CDTTornado WarningLBFLincoln, Logan, McPherson32 min
Mar 18, 9:32 PM CDTSevere Thunderstorm WarningLBFCherry21 min
Mar 18, 9:43 PM CDTTornado WarningLBFCherry32 min
Mar 18, 10:05 PM CDTSevere Thunderstorm WarningLBFCherry, Logan, Thomas40 min
Mar 18, 10:14 PM CDTTornado WarningLBFCherry16 min
Mar 19, 4:19 AM CDTRed Flag WarningLBFArthur, Cherry, Deuel, Garden, Grant, Keith and 1 more15 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.