Alert archive / Nebraska / Severe Thunderstorm Warnings in 2016

Severe Thunderstorm Warning 39, NWS North Platte, NE

May 22, 2016Cherry County, Nebraska

NWS North Platte, NE issued this severe thunderstorm warning at May 22, 2016, 6:04 PM MDT for Cherry County, Nebraska. It was in force for 41 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, 6:04 PM MDT (00:04 UTC)
Expired: May 22, 2016, 6:45 PM MDT
In force: 41 min
Issued by: NWS North Platte, NE
Area: Storm-based polygon
Hail: 1.75 in
Wind: 60.0 mph

County Cherry County, NE

The radar

The North Platte radar (KLNX), 102 km from the middle of the area, began a volume at 00:08 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, 6:20 PM MDT	HAIL 1	4 Ne Valentine, 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 22, 2:20 PM MDT	Tornado Watch	SPC	7 hr

The nearest sounding before it

N. Platte/Lee Bi, NE (KLBF), launched 00:00Z, 0.1 hours before the alert went out and 193 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.

308 
WUUS53 KLBF 230004
SVRLBF
NEC031-230045-
/O.NEW.KLBF.SV.W.0039.160523T0004Z-160523T0045Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE NORTH PLATTE NE
704 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 745 PM CDT

* AT 704 PM CDT...A SEVERE THUNDERSTORM WAS LOCATED OVER VALENTINE...
  MOVING NORTHEAST AT 35 MPH.

  HAZARD...GOLF 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...
  VALENTINE...SMITH FALLS STATE PARK...SPARKS AND HIGHWAY 97 CROSSING
  THE NIOBRARA RIVER.

THIS INCLUDES THE FOLLOWING HIGHWAYS...
 HIGHWAY 20 BETWEEN MILE MARKERS 189 AND 210.
 HIGHWAY 97 BETWEEN MILE MARKERS 130 AND 141.
 HIGHWAY 83 BETWEEN MILE MARKERS 204 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.

&&

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

LAT...LON 4283 10020 4274 10037 4277 10073 4300 10069
      4300 10020
TIME...MOT...LOC 0004Z 209DEG 29KT 4290 10055 

HAIL...1.75IN
WIND...60MPH
 
$$

ROBERG

1 follow-up statement

211 
WWUS53 KLBF 230029
SVSLBF

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

NEC031-230045-
/O.CON.KLBF.SV.W.0039.000000T0000Z-160523T0045Z/
CHERRY NE-
729 PM CDT SUN MAY 22 2016

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 745 PM CDT
FOR NORTHEASTERN CHERRY COUNTY...

AT 728 PM CDT...A SEVERE THUNDERSTORM WAS LOCATED 11 MILES NORTHEAST
OF VALENTINE...MOVING NORTHEAST AT 40 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...
VALENTINE...SMITH FALLS STATE PARK...SPARKS AND HIGHWAY 97 CROSSING THE
NIOBRARA RIVER.

THIS INCLUDES THE FOLLOWING HIGHWAYS...
 HIGHWAY 20 BETWEEN MILE MARKERS 189 AND 210.
 HIGHWAY 97 BETWEEN MILE MARKERS 130 AND 141.
 HIGHWAY 83 BETWEEN MILE MARKERS 204 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 FOR NORTH CENTRAL
NEBRASKA.

LAT...LON 4283 10020 4274 10037 4277 10073 4300 10069
      4300 10020
TIME...MOT...LOC 0028Z 245DEG 39KT 4295 10035 

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

ROBERG

The office that day

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

Issued	Product	Office	Counties	Lasted
May 22, 6:19 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, 6:37 PM MDT	Severe Thunderstorm Warning	LBF	Cherry	53 min
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.