Alert archive / Nebraska / Severe Thunderstorm Warnings in 2016

Severe Thunderstorm Warning 40, NWS North Platte, NE

May 22, 2016Cherry County, Nebraska

NWS North Platte, NE issued this severe thunderstorm warning at May 22, 2016, 6:37 PM MDT for Cherry County, Nebraska. It was in force for 53 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 22, 2016, 6:37 PM MDT (00:37 UTC)
Expired: May 22, 2016, 7:30 PM MDT
In force: 53 min
Issued by: NWS North Platte, NE
Area: Storm-based polygon
Hail: 1.75 in
Wind: 50.0 mph

County Cherry County, NE

The radar

The North Platte radar (KLNX), 84 km from the middle of the area, began a volume at 00:36 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 22, 7:05 PM MDT	HAIL 1	20 Ssw Valentine, NE	OVER AN INCH OF RAIN WAS ESTIMATED OVER THE PAST 15 MINUTES.

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 22, 2:20 PM MDT	Tornado Watch	SPC	7 hr

The nearest sounding before it

N. Platte/Lee Bi, NE (KLBF), launched 00:00Z, 0.6 hours before the alert went out and 176 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: 2431 J/kg
Mixed-layer CIN: -20 J/kg
Mixed-layer LCL: 1498 m above ground
0-6 km bulk shear: 30 kt
0-1 km storm-relative helicity: 136 m²/s²
0-3 km storm-relative helicity: 272 m²/s²
Significant tornado parameter: 1.3
Supercell composite: 18.2

Open this sounding in Storm Lab

The text

As transmitted.

759 
WUUS53 KLBF 230037
SVRLBF
NEC031-230130-
/O.NEW.KLBF.SV.W.0040.160523T0037Z-160523T0130Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE NORTH PLATTE NE
737 PM CDT SUN MAY 22 2016

THE NATIONAL WEATHER SERVICE IN NORTH PLATTE HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  NORTHEASTERN CHERRY COUNTY IN NORTH CENTRAL NEBRASKA...

* UNTIL 830 PM CDT/730 PM MDT/

* AT 737 PM CDT/637 PM MDT/...A SEVERE THUNDERSTORM WAS LOCATED 7
  MILES EAST OF MERRITT RESERVOIR...OR 17 MILES SOUTHWEST OF
  VALENTINE...MOVING NORTHEAST AT 40 MPH.

  HAZARD...GOLF BALL SIZE HAIL. 

  SOURCE...RADAR INDICATED. 

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

* LOCATIONS IMPACTED INCLUDE...
  VALENTINE...MERRITT RESERVOIR...VALENTINE NATIONAL WILDLIFE REFUGE...
  CROOKSTON...SCHLAGEL CREEK STATE WILDLIFE MANAGEMENT AREA...SPARKS...
  HIGHWAY 97 CROSSING THE NIOBRARA RIVER...SMITH FALLS STATE PARK AND
  BIG ALKALI LAKE STATE WILDLIFE MANAGEMENT AREA.

THIS INCLUDES THE FOLLOWING HIGHWAYS...
 HIGHWAY 20 BETWEEN MILE MARKERS 185 AND 214.
 HIGHWAY 97 BETWEEN MILE MARKERS 96 AND 141.
 HIGHWAY 83 BETWEEN MILE MARKERS 187 AND 222.

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.

&&

A TORNADO WATCH REMAINS IN EFFECT UNTIL 1000 PM CDT/900 PM MDT/ FOR
NORTH CENTRAL NEBRASKA.

LAT...LON 4283 10021 4236 10069 4243 10102 4253 10094
      4300 10073 4299 10020
TIME...MOT...LOC 0037Z 206DEG 36KT 4265 10073 

HAIL...1.75IN
WIND...<50MPH
 
$$

ROBERG

3 follow-up statements

836 
WWUS53 KLBF 230050
SVSLBF

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE NORTH PLATTE NE
750 PM CDT SUN MAY 22 2016

NEC031-230130-
/O.CON.KLBF.SV.W.0040.000000T0000Z-160523T0130Z/
CHERRY NE-
750 PM CDT SUN MAY 22 2016

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 830 PM
CDT/730 PM MDT/ FOR NORTHEASTERN CHERRY COUNTY...

AT 750 PM CDT/650 PM MDT/...A SEVERE THUNDERSTORM WAS LOCATED 11 MILES
NORTHEAST OF MERRITT RESERVOIR...OR 12 MILES SOUTHWEST OF VALENTINE...
MOVING NORTHEAST AT 30 MPH.

HAZARD...GOLF BALL SIZE HAIL. 

SOURCE...RADAR INDICATED. 

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

LOCATIONS IMPACTED INCLUDE...
VALENTINE...MERRITT RESERVOIR...VALENTINE NATIONAL WILDLIFE REFUGE...
CROOKSTON...SCHLAGEL CREEK STATE WILDLIFE MANAGEMENT AREA...SPARKS...
HIGHWAY 97 CROSSING THE NIOBRARA RIVER...SMITH FALLS STATE PARK AND
BIG ALKALI LAKE STATE WILDLIFE MANAGEMENT AREA.

THIS INCLUDES THE FOLLOWING HIGHWAYS...
 HIGHWAY 20 BETWEEN MILE MARKERS 185 AND 214.
 HIGHWAY 97 BETWEEN MILE MARKERS 96 AND 141.
 HIGHWAY 83 BETWEEN MILE MARKERS 187 AND 222.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A TORNADO WATCH REMAINS IN EFFECT FOR THE WARNED AREA. TORNADOES CAN
DEVELOP QUICKLY FROM SEVERE THUNDERSTORMS. ALTHOUGH A TORNADO IS NOT
IMMEDIATELY LIKELY...IF ONE IS SPOTTED ACT QUICKLY AND MOVE TO A PLACE
OF SAFETY INSIDE A STURDY STRUCTURE...SUCH AS A BASEMENT OR SMALL
INTERIOR ROOM.

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

&&

A TORNADO WATCH REMAINS IN EFFECT UNTIL 1000 PM CDT/900 PM MDT/ FOR
NORTH CENTRAL NEBRASKA.

LAT...LON 4283 10021 4236 10069 4243 10102 4253 10094
      4300 10073 4299 10020
TIME...MOT...LOC 0050Z 205DEG 27KT 4272 10068 

HAIL...1.75IN
WIND...<50MPH
 
$$

ROBERG

791 
WWUS53 KLBF 230112
SVSLBF

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE NORTH PLATTE NE
812 PM CDT SUN MAY 22 2016

NEC031-230130-
/O.CON.KLBF.SV.W.0040.000000T0000Z-160523T0130Z/
CHERRY NE-
812 PM CDT SUN MAY 22 2016

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 830 PM
CDT/730 PM MDT/ FOR NORTHEASTERN CHERRY COUNTY...

AT 812 PM CDT/712 PM MDT/...A SEVERE THUNDERSTORM WAS LOCATED 9 MILES
SOUTH OF VALENTINE...MOVING NORTHEAST AT 40 MPH.

HAZARD...GOLF BALL SIZE HAIL. 

SOURCE...RADAR INDICATED. 

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

LOCATIONS IMPACTED INCLUDE...
VALENTINE...MERRITT RESERVOIR...VALENTINE NATIONAL WILDLIFE REFUGE...
CROOKSTON...SCHLAGEL CREEK STATE WILDLIFE MANAGEMENT AREA...SPARKS...
HIGHWAY 97 CROSSING THE NIOBRARA RIVER...SMITH FALLS STATE PARK AND
BIG ALKALI LAKE STATE WILDLIFE MANAGEMENT AREA.

THIS INCLUDES THE FOLLOWING HIGHWAYS...
 HIGHWAY 20 BETWEEN MILE MARKERS 185 AND 214.
 HIGHWAY 97 BETWEEN MILE MARKERS 96 AND 141.
 HIGHWAY 83 BETWEEN MILE MARKERS 187 AND 222.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A TORNADO WATCH REMAINS IN EFFECT FOR THE WARNED AREA. TORNADOES CAN
DEVELOP QUICKLY FROM SEVERE THUNDERSTORMS. ALTHOUGH A TORNADO IS NOT
IMMEDIATELY LIKELY...IF ONE IS SPOTTED ACT QUICKLY AND MOVE TO A PLACE
OF SAFETY INSIDE A STURDY STRUCTURE...SUCH AS A BASEMENT OR SMALL
INTERIOR ROOM.

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.

&&

A TORNADO WATCH REMAINS IN EFFECT UNTIL 1000 PM CDT/900 PM MDT/ FOR
NORTH CENTRAL NEBRASKA.

LAT...LON 4283 10021 4236 10069 4243 10102 4253 10094
      4300 10073 4299 10020
TIME...MOT...LOC 0112Z 214DEG 34KT 4275 10062 

HAIL...1.75IN
WIND...<50MPH
 
$$

ROBERG

353 
WWUS53 KLBF 230129
SVSLBF

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE NORTH PLATTE NE
829 PM CDT SUN MAY 22 2016

NEC031-230138-
/O.EXP.KLBF.SV.W.0040.000000T0000Z-160523T0130Z/
CHERRY NE-
829 PM CDT SUN MAY 22 2016

...THE SEVERE THUNDERSTORM WARNING FOR NORTHEASTERN CHERRY COUNTY
WILL EXPIRE AT 830 PM CDT/730 PM MDT/...
                
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 TORNADO WATCH REMAINS IN EFFECT UNTIL 1000 PM CDT/900 PM MDT/ FOR
NORTH CENTRAL NEBRASKA.

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

REMEMBER...A SEVERE THUNDERSTORM WARNING STILL REMAINS IN EFFECT FOR
SOUTH CENTRAL CHERRY COUNTY UNTIL 845 PM CDT/745 PM MDT.

LAT...LON 4283 10021 4236 10069 4243 10102 4253 10094
      4300 10073 4299 10020
TIME...MOT...LOC 0126Z 206DEG 36KT 4275 10062 

$$

ROBERG

The office that day

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

Issued	Product	Office	Counties	Lasted
May 22, 6:04 PM MDT	Severe Thunderstorm Warning	LBF	Cherry	41 min
May 22, 6:19 PM MDT	Special Weather Statement	LBF	Thomas	26 min
May 22, 6:30 PM MDT	Special Weather Statement	LBF	Logan	30 min
May 22, 6:36 PM MDT	Flash Flood Warning	LBF	Cherry	6 hr
May 22, 6:42 PM MDT	Special Weather Statement	LBF	Logan	33 min
May 22, 6:47 PM MDT	Severe Thunderstorm Warning	LBF	Custer, Logan	27 min
May 22, 7:02 PM MDT	Severe Thunderstorm Warning	LBF	Cherry	43 min
May 22, 7:30 PM MDT	Special Weather Statement	LBF	Sheridan	45 min
May 22, 7:36 PM MDT	Flash Flood Warning	LBF	Brown, Keya Paha	6 hr
May 22, 7:47 PM MDT	Severe Thunderstorm Warning	LBF	Cherry	43 min
May 22, 7:53 PM MDT	Special Weather Statement	LBF	Sheridan	37 min
May 22, 8:24 PM MDT	Severe Thunderstorm Warning	LBF	Cherry, Grant, Hooker	51 min
May 22, 8:44 PM MDT	Severe Thunderstorm Warning	LBF	Arthur, Grant, Hooker, Keith, McPherson	46 min
May 22, 9:15 PM MDT	Severe Thunderstorm Warning	LBF	Cherry, Keya Paha	24 min
May 22, 9:26 PM MDT	Special Weather Statement	LBF	McPherson, Perkins	64 min
May 22, 10:06 PM MDT	Special Weather Statement	LBF	Blaine, Logan	39 min
May 22, 11:03 PM MDT	Special Weather Statement	LBF	Garfield, Loup, Rock	42 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.