Alert archive / Nebraska / Severe Thunderstorm Warnings in 2016

Severe Thunderstorm Warning 37, NWS North Platte, NE

May 22, 2016Cherry County, Nebraska

NWS North Platte, NE issued this severe thunderstorm warning at May 22, 2016, 4:59 PM MDT for Cherry County, Nebraska. It was in force for 61 min. 5 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 22, 2016, 4:59 PM MDT (22:59 UTC)
Expired: May 22, 2016, 6:00 PM MDT
In force: 61 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), 88 km from the middle of the area, began a volume at 23:02 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, 5:27 PM MDT	HAIL 1.75	8 Sw Valentine, NE
May 22, 5:35 PM MDT	TSTM WND GST 60	8 Sw Valentine, NE	EST 60+ MPH GUST
May 22, 5:40 PM MDT	HAIL 1	Valentine, NE
May 22, 5:43 PM MDT	TSTM WND GST 61	Valentine, NE
May 22, 5:54 PM MDT	TSTM WND GST 66	1 E Valentine, NE	DELAYED REPORT FROM SUNDAY...MAY 22ND. WIND GUST WAS MEASURED USING CWOP DAVIS WX E7498 EQUIPMENT, WITH OPEN EXPOSURE.

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 12:00Z, 11.0 hours before the alert went out and 179 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: 902 J/kg
Mixed-layer CIN: -195 J/kg
Mixed-layer LCL: 591 m above ground
0-6 km bulk shear: 16 kt
0-1 km storm-relative helicity: 299 m²/s²
0-3 km storm-relative helicity: 499 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

The text

As transmitted.

678 
WUUS53 KLBF 222259
SVRLBF
NEC031-230000-
/O.NEW.KLBF.SV.W.0037.160522T2259Z-160523T0000Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE NORTH PLATTE NE
559 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 700 PM CDT/600 PM MDT/

* AT 559 PM CDT/459 PM MDT/...A SEVERE THUNDERSTORM WAS LOCATED NEAR
  MERRITT RESERVOIR...OR 22 MILES SOUTHWEST OF 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...MERRITT RESERVOIR...CROOKSTON...SCHLAGEL CREEK STATE
  WILDLIFE MANAGEMENT AREA...BIG ALKALI LAKE STATE WILDLIFE MANAGEMENT
  AREA AND HIGHWAY 97 CROSSING THE NIOBRARA RIVER.

THIS INCLUDES THE FOLLOWING HIGHWAYS...
 HIGHWAY 20 BETWEEN MILE MARKERS 185 AND 208.
 HIGHWAY 97 BETWEEN MILE MARKERS 109 AND 141.
 HIGHWAY 83 BETWEEN MILE MARKERS 198 AND 221.

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/900 PM MDT/ FOR
NORTH CENTRAL NEBRASKA.

LAT...LON 4254 10073 4256 10104 4279 10083 4299 10073
      4299 10039 4278 10038
TIME...MOT...LOC 2259Z 208DEG 30KT 4261 10081 

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

ROBERG

1 follow-up statement

962 
WWUS53 KLBF 222318
SVSLBF

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

NEC031-230000-
/O.CON.KLBF.SV.W.0037.000000T0000Z-160523T0000Z/
CHERRY NE-
618 PM CDT SUN MAY 22 2016

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 700 PM
CDT/600 PM MDT/ FOR NORTHEASTERN CHERRY COUNTY...

AT 617 PM CDT/517 PM MDT/...A SEVERE THUNDERSTORM WAS LOCATED 9 MILES
SOUTHWEST OF VALENTINE...MOVING NORTHEAST AT 40 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...CROOKSTON...SCHLAGEL CREEK STATE WILDLIFE MANAGEMENT AREA
AND HIGHWAY 97 CROSSING THE NIOBRARA RIVER.

THIS INCLUDES THE FOLLOWING HIGHWAYS...
 HIGHWAY 20 BETWEEN MILE MARKERS 185 AND 208.
 HIGHWAY 97 BETWEEN MILE MARKERS 119 AND 141.
 HIGHWAY 83 BETWEEN MILE MARKERS 199 AND 221.

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/900 PM MDT/ FOR
NORTH CENTRAL NEBRASKA.

LAT...LON 4264 10063 4267 10093 4279 10083 4299 10073
      4299 10039 4278 10038
TIME...MOT...LOC 2317Z 208DEG 35KT 4278 10069 

HAIL...1.75IN
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, 7:48 AM MDT	River Flood Warning	LBF	Lincoln	15 days
May 22, 2:14 PM MDT	Special Weather Statement	LBF	Cherry	46 min
May 22, 2:28 PM MDT	Severe Thunderstorm Warning	LBF	Cherry	32 min
May 22, 3:00 PM MDT	Severe Thunderstorm Warning	LBF	Cherry	60 min
May 22, 3:05 PM MDT	Tornado Warning	LBF	Cherry	40 min
May 22, 3:44 PM MDT	Tornado Warning	LBF	Cherry	34 min
May 22, 3:58 PM MDT	Severe Thunderstorm Warning	LBF	Cherry	62 min
May 22, 5:37 PM MDT	Tornado Warning	LBF	Cherry	38 min
May 22, 5:40 PM MDT	Special Weather Statement	LBF	Logan	35 min
May 22, 5:51 PM MDT	Severe Thunderstorm Warning	LBF	Custer, Lincoln, Logan	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.