Alert archive / Nebraska / Severe Thunderstorm Warnings in 2012

Severe Thunderstorm Warning 111, NWS North Platte, NE

May 30, 2012Lincoln County, Nebraska

NWS North Platte, NE issued this severe thunderstorm warning at May 30, 2012, 4:30 PM CDT for Lincoln County, Nebraska. It was in force for 45 min. 3 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: May 30, 2012, 4:30 PM CDT (21:30 UTC)
Expired: May 30, 2012, 5:15 PM CDT
In force: 45 min
Issued by: NWS North Platte, NE
Area: Storm-based polygon
Hail: 1.0 in
Wind: 50.0 mph

County Lincoln County, NE

The radar

The North Platte radar (KLNX), 121 km from the middle of the area, began a volume at 21:30 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
May 30, 4:46 PM CDT	HAIL 0.88	16 Ssw North Platte, NE	HAIL UP TO THE SIZE OF NICKELS.
May 30, 4:55 PM CDT	HAIL 1.75	17 Ssw North Platte, NE
May 30, 4:58 PM CDT	HAIL 1.75	16 Sse North Platte, NE	CONSIDERABLE DAMAGE DONE TO A NEW CONVERTIBLE FROM THE HAIL.

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, 9.5 hours before the alert went out and 34 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-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

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: 0 J/kg
Mixed-layer CIN: No buoyant parcel
Mixed-layer LCL: 1457 m above ground
0-6 km bulk shear: 45 kt
0-1 km storm-relative helicity: 343 m²/s²
0-3 km storm-relative helicity: 487 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

The text

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

692 
WUUS53 KLBF 302130
SVRLBF
NEC111-302215-
/O.NEW.KLBF.SV.W.0111.120530T2130Z-120530T2215Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE NORTH PLATTE NE
430 PM CDT WED MAY 30 2012

THE NATIONAL WEATHER SERVICE IN NORTH PLATTE HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  SOUTHERN LINCOLN COUNTY IN SOUTHWEST NEBRASKA...

* UNTIL 515 PM CDT

* AT 425 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM CAPABLE OF PRODUCING QUARTER SIZE HAIL.  THIS
  STORM WAS LOCATED 11 MILES SOUTHEAST OF SUTHERLAND RESERVOIR STATE
  RECREATION AREA...OR 15 MILES SOUTHWEST OF NORTH PLATTE...AND
  MOVING SOUTHEAST AT 35 MPH.

* THE SEVERE THUNDERSTORM WILL BE NEAR...
  WELLFLEET AROUND 500 PM CDT.

OTHER LOCATIONS IMPACTED BY THIS SEVERE THUNDERSTORM INCLUDE HIGHWAY
83 MILE MARKER 70 AND HIGHWAY 83 MILE MARKER 60.

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 4097 10112 4110 10101 4091 10038 4070 10066
      4070 10082
TIME...MOT...LOC 2130Z 311DEG 30KT 4097 10094
WIND...HAIL <50MPH 1.00IN

$$

TAYLOR

3 follow-up statements

218 
WWUS53 KLBF 302141
SVSLBF

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE NORTH PLATTE NE
441 PM CDT WED MAY 30 2012

NEC111-302215-
/O.CON.KLBF.SV.W.0111.000000T0000Z-120530T2215Z/
LINCOLN NE-
441 PM CDT WED MAY 30 2012

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT FOR SOUTHERN
LINCOLN COUNTY UNTIL 515 PM CDT...

AT 439 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
SEVERE THUNDERSTORM CAPABLE OF PRODUCING QUARTER SIZE HAIL.  THIS
STORM WAS LOCATED 9 MILES SOUTHWEST OF LAKE MALONEY STATE RECREATION
AREA...OR 14 MILES SOUTHWEST OF NORTH PLATTE...MOVING SOUTHEAST AT 25
MPH.

THE SEVERE THUNDERSTORM WILL AFFECT MAINLY RURAL AREAS OF SOUTHERN
LINCOLN COUNTY...INCLUDING THE FOLLOWING LOCATIONS HIGHWAY 83 MILE
MARKER 70 AND HIGHWAY 83 MILE MARKER 60.

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 4093 10102 4107 10092 4091 10038 4070 10066
      4070 10082
TIME...MOT...LOC 2140Z 304DEG 20KT 4095 10089
WIND...HAIL <50MPH 1.00IN

$$

TAYLOR

027 
WWUS53 KLBF 302201
SVSLBF

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE NORTH PLATTE NE
501 PM CDT WED MAY 30 2012

NEC111-302215-
/O.CON.KLBF.SV.W.0111.000000T0000Z-120530T2215Z/
LINCOLN NE-
501 PM CDT WED MAY 30 2012

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT FOR SOUTHERN
LINCOLN COUNTY UNTIL 515 PM CDT...

AT 457 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
SEVERE THUNDERSTORM CAPABLE OF PRODUCING GOLF BALL SIZE HAIL.  THIS
STORM WAS LOCATED 9 MILES NORTH OF WELLFLEET...OR 17 MILES SOUTH OF
NORTH PLATTE...MOVING SOUTHEAST AT 30 MPH.

THE SEVERE THUNDERSTORM WILL AFFECT MAINLY RURAL AREAS OF SOUTHERN
LINCOLN COUNTY.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

THIS STORM HAS A HISTORY OF PRODUCING LARGE HAIL TO THE SIZE OF 
GOLF BALLS. SEEK SHELTER NOW INSIDE A STURDY STRUCTURE AND STAY AWAY 
FROM WINDOWS.

&&

LAT...LON 4093 10102 4107 10092 4091 10038 4070 10066
      4070 10082
TIME...MOT...LOC 2201Z 298DEG 24KT 4087 10070
WIND...HAIL <50MPH 1.75IN

$$

TAYLOR

056 
WWUS53 KLBF 302217
SVSLBF

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE NORTH PLATTE NE
517 PM CDT WED MAY 30 2012

NEC111-302227-
/O.EXP.KLBF.SV.W.0111.000000T0000Z-120530T2215Z/
LINCOLN NE-
517 PM CDT WED MAY 30 2012

...THE SEVERE THUNDERSTORM WARNING FOR SOUTHERN LINCOLN COUNTY HAS
EXPIRED...

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 AND GUSTY WINDS ARE STILL POSSIBLE WITH THIS 
THUNDERSTORM.

LAT...LON 4093 10102 4107 10092 4091 10038 4070 10066
      4070 10082
TIME...MOT...LOC 2201Z 298DEG 24KT 4087 10070

$$

TAYLOR

The office that day

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

Issued	Product	Office	Counties	Lasted
May 30, 10:24 AM CDT	Severe Thunderstorm Warning	LBF	Lincoln	20 min
May 30, 4:10 PM CDT	Severe Thunderstorm Warning	LBF	Lincoln	50 min
May 30, 4:39 PM CDT	Severe Thunderstorm Warning	LBF	Frontier, Hayes	51 min

Nearby

Severe Thunderstorm Warnings in Nebraska, 2012 Every 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.