Alert archive / Nebraska / Severe Thunderstorm Warnings in 2012

Severe Thunderstorm Warning 112, NWS North Platte, NE

May 30, 2012Frontier County, Hayes County, Nebraska

NWS North Platte, NE issued this severe thunderstorm warning at May 30, 2012, 4:39 PM CDT for Frontier County, Hayes County, Nebraska. It was in force for 51 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, 4:39 PM CDT (21:39 UTC)
Expired: May 30, 2012, 5:30 PM CDT
In force: 51 min
Issued by: NWS North Platte, NE
Area: Storm-based polygon
Hail: 1.0 in
Wind: 60.0 mph

Counties Frontier County, NE, Hayes County, NE

The radar

The Goodland radar (KGLD), 132 km from the middle of the area, began a volume at 21:43 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, 4:50 PM CDT	HAIL 1	3 S Hayes Center, NE
May 30, 4:57 PM CDT	HAIL 1	6 S Hayes Center, NE
May 30, 5:20 PM CDT	HAIL 0.75	15 Se Hayes Center, NE	LOTS OF PEA TO DIME SIZE 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, 9.7 hours before the alert went out and 86 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.

500 
WUUS53 KLBF 302139
SVRLBF
NEC063-085-302230-
/O.NEW.KLBF.SV.W.0112.120530T2139Z-120530T2230Z/

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

THE NATIONAL WEATHER SERVICE IN NORTH PLATTE HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  SOUTHWESTERN FRONTIER COUNTY IN SOUTHWEST NEBRASKA...
  SOUTHERN HAYES COUNTY IN SOUTHWEST NEBRASKA...

* UNTIL 530 PM CDT

* AT 434 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 7 MILES
  WEST OF HAYES CENTER...AND MOVING SOUTHEAST AT 30 MPH.

* LOCATIONS IMPACTED INCLUDE...
  HAYES CENTER...RED WILLOW RESERVOIR STATE RECREATION AREA...HIGHWAY
  25 MILE MARKER 30 AND HIGHWAY 83 MILE MARKER 30.

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 4035 10107 4046 10127 4061 10115 4035 10045
      4034 10046 4034 10103
TIME...MOT...LOC 2139Z 299DEG 28KT 4049 10111
WIND...HAIL 60MPH 1.00IN

$$

BROOKS

4 follow-up statements

483 
WWUS53 KLBF 302151
SVSLBF

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

NEC063-085-302230-
/O.CON.KLBF.SV.W.0112.000000T0000Z-120530T2230Z/
FRONTIER NE-HAYES NE-
451 PM CDT WED MAY 30 2012

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT FOR SOUTHEASTERN
HAYES AND SOUTHWESTERN FRONTIER COUNTIES UNTIL 530 PM CDT...

AT 448 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...MOVING SOUTHEAST AT 30 MPH.

LOCATIONS IMPACTED INCLUDE...
  RED WILLOW RESERVOIR STATE RECREATION AREA AND HIGHWAY 83 MILE
  MARKER 30.

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 4035 10107 4042 10119 4056 10102 4035 10045
      4034 10046 4034 10103
TIME...MOT...LOC 2151Z 299DEG 28KT 4044 10100
WIND...HAIL 60MPH 1.00IN

$$

BROOKS

758 
WWUS53 KLBF 302203
SVSLBF

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

NEC063-085-302230-
/O.CON.KLBF.SV.W.0112.000000T0000Z-120530T2230Z/
FRONTIER NE-HAYES NE-
503 PM CDT WED MAY 30 2012

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT FOR SOUTHEASTERN
HAYES AND SOUTHWESTERN FRONTIER COUNTIES UNTIL 530 PM CDT...

AT 450 PM CDT...THE PUBLIC REPORTED A SEVERE THUNDERSTORM PRODUCING 
QUARTER SIZE HAIL 3 MILES SOUTH OF HAYES CENTER...AND DAMAGING WINDS 
IN EXCESS OF 60 MPH.  THIS STORM WAS LOCATED 8 MILES SOUTHEAST OF 
HAYES CENTER...MOVING SOUTHEAST AT 30 MPH.

LOCATIONS IMPACTED INCLUDE...
  RED WILLOW RESERVOIR STATE RECREATION AREA AND HIGHWAY 83 MILE
  MARKER 30.

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 4035 10107 4039 10114 4054 10096 4035 10045
      4034 10046 4034 10103
TIME...MOT...LOC 2202Z 299DEG 28KT 4040 10090
WIND...HAIL 60MPH 1.00IN

$$

BROOKS

282 
WWUS53 KLBF 302222
SVSLBF

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

NEC063-085-302230-
/O.CON.KLBF.SV.W.0112.000000T0000Z-120530T2230Z/
FRONTIER NE-HAYES NE-
522 PM CDT WED MAY 30 2012

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT FOR SOUTHEASTERN
HAYES AND SOUTHWESTERN FRONTIER COUNTIES UNTIL 530 PM CDT...

AT 520 PM CDT...THE PUBLIC REPORTED A SEVERE THUNDERSTORM PRODUCING
QUARTER SIZE HAIL...AND DAMAGING WINDS IN EXCESS OF 60 MPH.  THIS
STORM WAS LOCATED NEAR RED WILLOW RESERVOIR STATE RECREATION AREA...
OR 18 MILES SOUTHEAST OF HAYES CENTER...MOVING SOUTHEAST AT 30 MPH.

LOCATIONS IMPACTED INCLUDE...
  RED WILLOW RESERVOIR STATE RECREATION AREA AND HIGHWAY 83 MILE
  MARKER 30.

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 4034 10046 4035 10092 4048 10078 4035 10045
TIME...MOT...LOC 2222Z 294DEG 23KT 4033 10075
WIND...HAIL 60MPH 1.00IN

$$

BROOKS

548 
WWUS53 KLBF 302229
SVSLBF

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

NEC063-085-302238-
/O.EXP.KLBF.SV.W.0112.000000T0000Z-120530T2230Z/
FRONTIER NE-HAYES NE-
529 PM CDT WED MAY 30 2012

...THE SEVERE THUNDERSTORM WARNING FOR SOUTHEASTERN HAYES AND
SOUTHWESTERN FRONTIER COUNTIES WILL EXPIRE AT 530 PM CDT/430 PM
MDT/...

THE STORM WHICH PROMPTED THE WARNING HAS MOVED OUT OF THE WARNED 
AREA. HOWEVER OTHER STRONG STORMS WILL CONTINUE TO IMPACT PORTIONS 
OF FRONTIER COUNTY THROUGH 630 PM.

TO REPORT SEVERE WEATHER...CONTACT YOUR NEAREST LAW ENFORCEMENT
AGENCY. THEY WILL RELAY YOUR REPORT TO THE NATIONAL WEATHER SERVICE
IN NORTH PLATTE.

LAT...LON 4034 10046 4035 10092 4048 10078 4035 10045
TIME...MOT...LOC 2228Z 294DEG 23KT 4031 10070

$$

BROOKS

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, 4:30 PM CDT	Severe Thunderstorm Warning	LBF	Lincoln	45 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.