Alert archive / Nebraska / Severe Thunderstorm Warnings in 2016

Severe Thunderstorm Warning 21, NWS North Platte, NE

May 8, 2016Custer County, Nebraska

NWS North Platte, NE issued this severe thunderstorm warning at May 8, 2016, 8:26 PM CDT for Custer County, Nebraska. It was in force for 34 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: May 8, 2016, 8:26 PM CDT (01:26 UTC)
Expired: May 8, 2016, 9:00 PM CDT
In force: 34 min
Issued by: NWS North Platte, NE
Area: Storm-based polygon
Hail: 1.5 in
Wind: 60.0 mph

County Custer County, NE

The radar

The North Platte radar (KLNX), 130 km from the middle of the area, began a volume at 01:26 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 8, 8:34 PM CDT	HAIL 1	4 Nne Mason City, 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
May 8, 5:09 PM CDT	Severe Thunderstorm Watch	SPC	7 hr

The nearest sounding before it

N. Platte/Lee Bi, NE (KLBF), launched 00:00Z, 1.4 hours before the alert went out and 113 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: 411 J/kg
Mixed-layer CIN: -116 J/kg
Mixed-layer LCL: 1901 m above ground
0-6 km bulk shear: 35 kt
0-1 km storm-relative helicity: 24 m²/s²
0-3 km storm-relative helicity: 82 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.7

Open this sounding in Storm Lab

The text

As transmitted.

538 
WUUS53 KLBF 090126
SVRLBF
NEC041-090200-
/O.NEW.KLBF.SV.W.0021.160509T0126Z-160509T0200Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE NORTH PLATTE NE
826 PM CDT SUN MAY 8 2016

THE NATIONAL WEATHER SERVICE IN NORTH PLATTE HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  EAST CENTRAL CUSTER COUNTY IN CENTRAL NEBRASKA...

* UNTIL 900 PM CDT

* AT 826 PM CDT...A SEVERE THUNDERSTORM WAS LOCATED NEAR MASON CITY...
  OR 23 MILES SOUTHEAST OF BROKEN BOW...MOVING NORTHWEST AT 20 MPH.

  HAZARD...PING PONG BALL SIZE HAIL AND 60 MPH WIND GUSTS. 

  SOURCE...RADAR INDICATED. 

  IMPACT...PEOPLE AND ANIMALS OUTDOORS WILL BE INJURED. EXPECT HAIL 
           DAMAGE TO ROOFS...SIDING...WINDOWS...AND VEHICLES. EXPECT 
           WIND DAMAGE TO ROOFS...SIDING...AND TREES. 

* LOCATIONS IMPACTED INCLUDE...
  ANSLEY...MASON CITY...WESTERVILLE...GAVIN SIDING AND ARCADIA DIVERSION
  DAM STATE WILDLIFE MANAGEMENT AREA.

THIS INCLUDES THE FOLLOWING HIGHWAYS...
 HIGHWAY 183 BETWEEN MILE MARKERS 89 AND 102.
 HIGHWAY 2 BETWEEN MILE MARKERS 292 AND 307.
 HIGHWAY 92 BETWEEN MILE MARKERS 300 AND 308.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

FOR YOUR PROTECTION MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF A
BUILDING.

&&

LAT...LON 4115 9927 4141 9952 4152 9922 4140 9921
      4139 9920 4117 9921
TIME...MOT...LOC 0126Z 151DEG 19KT 4126 9923 

HAIL...1.50IN
WIND...60MPH
 
$$

TAYLOR

2 follow-up statements

289 
WWUS53 KLBF 090135
SVSLBF

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE NORTH PLATTE NE
835 PM CDT SUN MAY 8 2016

NEC041-090200-
/O.CON.KLBF.SV.W.0021.000000T0000Z-160509T0200Z/
CUSTER NE-
835 PM CDT SUN MAY 8 2016

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 900 PM CDT
FOR EAST CENTRAL CUSTER COUNTY...

AT 835 PM CDT...A SEVERE THUNDERSTORM WAS LOCATED NEAR MASON CITY...OR
20 MILES EAST OF BROKEN BOW...MOVING NORTHWEST AT 20 MPH.

HAZARD...60 MPH WIND GUSTS AND QUARTER SIZE HAIL. 

SOURCE...RADAR INDICATED. 

IMPACT...HAIL DAMAGE TO VEHICLES IS EXPECTED. EXPECT WIND DAMAGE TO 
         ROOFS...SIDING...AND TREES. 

LOCATIONS IMPACTED INCLUDE...
ANSLEY...MASON CITY...WESTERVILLE...GAVIN SIDING AND ARCADIA DIVERSION
DAM STATE WILDLIFE MANAGEMENT AREA.

THIS INCLUDES THE FOLLOWING HIGHWAYS...
 HIGHWAY 183 BETWEEN MILE MARKERS 89 AND 102.
 HIGHWAY 2 BETWEEN MILE MARKERS 292 AND 307.
 HIGHWAY 92 BETWEEN MILE MARKERS 300 AND 308.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

FOR YOUR PROTECTION MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF A
BUILDING.

TORRENTIAL RAINFALL IS OCCURRING WITH THIS STORM...AND MAY LEAD TO
FLASH FLOODING. DO NOT DRIVE YOUR VEHICLE THROUGH FLOODED ROADWAYS.

&&

LAT...LON 4115 9927 4141 9952 4152 9922 4140 9921
      4139 9920 4117 9921
TIME...MOT...LOC 0135Z 151DEG 19KT 4130 9926 

HAIL...1.00IN
WIND...60MPH
 
$$

TAYLOR

673 
WWUS53 KLBF 090157
SVSLBF

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE NORTH PLATTE NE
857 PM CDT SUN MAY 8 2016

NEC041-090207-
/O.EXP.KLBF.SV.W.0021.000000T0000Z-160509T0200Z/
CUSTER NE-
857 PM CDT SUN MAY 8 2016

...THE SEVERE THUNDERSTORM WARNING FOR EAST CENTRAL CUSTER COUNTY
WILL EXPIRE AT 900 PM CDT...
                
THE STORM WHICH PROMPTED THE WARNING HAS WEAKENED BELOW SEVERE
LIMITS...AND NO LONGER POSE AN IMMEDIATE THREAT TO LIFE OR PROPERTY.
THEREFORE THE WARNING WILL BE ALLOWED TO EXPIRE.  HOWEVER SMALL HAIL
AND HEAVY RAIN ARE STILL POSSIBLE WITH THIS THUNDERSTORM.

A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL MIDNIGHT CDT FOR
CENTRAL NEBRASKA.

LAT...LON 4115 9927 4141 9952 4152 9922 4140 9921
      4139 9920 4117 9921
TIME...MOT...LOC 0156Z 151DEG 19KT 4130 9926 

$$

ROBERG

The office that day

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

Issued	Product	Office	Counties	Lasted
May 8, 7:06 PM CDT	Special Weather Statement	LBF	Frontier	39 min
May 8, 7:20 PM CDT	Special Weather Statement	LBF	Holt	40 min
May 8, 7:29 PM CDT	Tornado Warning	LBF	Frontier	46 min
May 8, 7:30 PM CDT	Severe Thunderstorm Warning	LBF	Holt, Rock	30 min
May 8, 7:36 PM CDT	Severe Thunderstorm Warning	LBF	Loup, Rock	39 min
May 8, 7:59 PM CDT	Severe Thunderstorm Warning	LBF	Holt	31 min
May 8, 8:05 PM CDT	Severe Thunderstorm Warning	LBF	Garfield	25 min
May 8, 8:08 PM CDT	Severe Thunderstorm Warning	LBF	Custer, Lincoln	38 min
May 8, 8:30 PM CDT	Severe Thunderstorm Warning	LBF	Holt	30 min
May 8, 8:59 PM CDT	Severe Thunderstorm Warning	LBF	Holt	31 min
May 9, 12:19 AM CDT	River Flood Warning	LBF	Garden	27 days
May 9, 4:57 PM CDT	Special Weather Statement	LBF	Boyd	48 min
May 9, 5:30 PM CDT	Special Weather Statement	LBF	Boyd	45 min
May 9, 6:02 PM CDT	Special Weather Statement	LBF	Hooker	43 min
May 9, 6:10 PM CDT	Flash Flood Warning	LBF	Boyd, Holt	6 hr
May 9, 6:45 PM CDT	Special Weather Statement	LBF	Logan	45 min
May 9, 6:51 PM CDT	Severe Thunderstorm Warning	LBF	Logan, McPherson	39 min

Nearby

Severe Thunderstorm Warnings in Nebraska, 2016 Every severe thunderstorm warning in 2016

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.