Alert archive / Nebraska / Severe Thunderstorm Warnings in 2016

Severe Thunderstorm Warning 46, NWS North Platte, NE

May 22, 2016Cherry County, Keya Paha County, Nebraska

NWS North Platte, NE issued this severe thunderstorm warning at May 22, 2016, 9:15 PM MDT for Cherry County, Keya Paha County, Nebraska. It was in force for 24 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, 9:15 PM MDT (03:15 UTC)
Expired: May 22, 2016, 9:39 PM MDT
In force: 24 min
Issued by: NWS North Platte, NE
Area: Storm-based polygon
Hail: 1.0 in
Wind: 60.0 mph

Counties Cherry County, NE, Keya Paha County, NE

The radar

The North Platte radar (KLNX), 104 km from the middle of the area, began a volume at 03:17 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, 9:20 PM MDT	HAIL 1	14 Se Valentine, NE	NICKEL TO QUARTER SIZE HAIL. OVER 1 IN. RAIN. TIME ESTIMATED FROM RADAR

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, 8:59 PM MDT	Severe Thunderstorm Watch	SPC	5 hr

The nearest sounding before it

N. Platte/Lee Bi, NE (KLBF), launched 00:00Z, 3.3 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.

378 
WUUS53 KLBF 230315
SVRLBF
NEC031-103-230400-
/O.NEW.KLBF.SV.W.0046.160523T0315Z-160523T0400Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE NORTH PLATTE NE
1015 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...
  NORTHWESTERN KEYA PAHA COUNTY IN NORTH CENTRAL NEBRASKA...

* UNTIL 1100 PM CDT

* AT 1014 PM CDT...A SEVERE THUNDERSTORM WAS LOCATED 13 MILES
  SOUTHEAST 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...
  NORDEN...SMITH FALLS STATE PARK AND SPARKS. 

THIS INCLUDES HIGHWAY 20 BETWEEN MILE MARKERS 205 AND 216.
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 4291 9981 4279 10007 4281 10013 4283 10015
      4284 10019 4278 10020 4278 10018 4273 10018
      4266 10033 4279 10048 4300 10021 4300 9991
TIME...MOT...LOC 0314Z 230DEG 34KT 4278 10032 

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

1 follow-up statement

687 
WWUS53 KLBF 230339
SVSLBF

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE NORTH PLATTE NE
1039 PM CDT SUN MAY 22 2016

NEC031-103-230349-
/O.CAN.KLBF.SV.W.0046.000000T0000Z-160523T0400Z/
CHERRY NE-KEYA PAHA NE-
1039 PM CDT SUN MAY 22 2016

...THE SEVERE THUNDERSTORM WARNING FOR NORTHEASTERN CHERRY AND
NORTHWESTERN KEYA PAHA COUNTIES IS CANCELLED...
                
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 HAS BEEN CANCELLED.

A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 300 AM CDT FOR
NORTH CENTRAL NEBRASKA.

LAT...LON 4291 9981 4279 10007 4281 10013 4283 10015
      4284 10019 4278 10020 4278 10018 4273 10018
      4266 10033 4279 10048 4300 10021 4300 9991
TIME...MOT...LOC 0338Z 230DEG 34KT 4291 10006 

$$

KULIK

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, 6:37 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, 9:26 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.