Alert archive / Nebraska / Severe Thunderstorm Warnings in 2016

Severe Thunderstorm Warning 49, NWS Cheyenne, WY

June 27, 2016Dawes County, Nebraska

NWS Cheyenne, WY issued this severe thunderstorm warning at Jun 27, 2016, 7:14 PM MDT for Dawes County, Nebraska. It was in force for 46 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: Jun 27, 2016, 7:14 PM MDT (01:14 UTC)
Expired: Jun 27, 2016, 8:00 PM MDT
In force: 46 min
Issued by: NWS Cheyenne, WY
Area: Storm-based polygon
Hail: 2.0 in
Wind: 70.0 mph

County Dawes County, NE

The radar

The Rapid City radar (KUDX), 162 km from the middle of the area, began a volume at 01:14 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
Jun 27, 7:30 PM MDT	HAIL 1	12 S Chadron, 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
Jun 27, 1:22 PM MDT	Tornado Watch	SPC	8 hr

The nearest sounding before it

Rapid City, SD (KRAP), launched 00:00Z, 1.2 hours before the alert went out and 155 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: 683 J/kg
Mixed-layer CIN: -7 J/kg
Mixed-layer LCL: 1985 m above ground
0-6 km bulk shear: 42 kt
0-1 km storm-relative helicity: -3 m²/s²
0-3 km storm-relative helicity: -53 m²/s²
Significant tornado parameter: -0.0
Supercell composite: -1.7

Open this sounding in Storm Lab

The text

As transmitted.

752 
WUUS55 KCYS 280114
SVRCYS
NEC045-280200-
/O.NEW.KCYS.SV.W.0049.160628T0114Z-160628T0200Z/

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE CHEYENNE WY
714 PM MDT MON JUN 27 2016

THE NATIONAL WEATHER SERVICE IN CHEYENNE HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  SOUTHEASTERN DAWES COUNTY IN THE PANHANDLE OF NEBRASKA...

* UNTIL 800 PM MDT

* AT 713 PM MDT...A SEVERE THUNDERSTORM WAS LOCATED OVER CHADRON
  CAMPGROUND...OR NEAR CHADRON...MOVING SOUTH AT 30 MPH.

  HAZARD...TWO INCH HAIL AND 70 MPH WIND GUSTS. 

  SOURCE...RADAR INDICATED. 

  IMPACT...PEOPLE AND ANIMALS OUTDOORS WILL BE INJURED. EXPECT HAIL 
           DAMAGE TO ROOFS...SIDING...WINDOWS...AND VEHICLES. EXPECT 
           CONSIDERABLE TREE DAMAGE. WIND DAMAGE IS ALSO LIKELY TO 
           MOBILE HOMES...ROOFS...AND OUTBUILDINGS. 

* THIS SEVERE THUNDERSTORM WILL BE NEAR...
  RED CLOUD CAMPGROUND AROUND 720 PM MDT. 

THIS REPLACES THE PREVIOUS SEVERE THUNDERSTORM WARNING THAT WAS IN
EFFECT.

OTHER LOCATIONS IMPACTED BY THIS SEVERE THUNDERSTORM INCLUDE CHADRON
ST PARK.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

THIS IS A DANGEROUS STORM. PREPARE IMMEDIATELY FOR LARGE DESTRUCTIVE
HAIL CAPABLE OF PRODUCING SIGNIFICANT DAMAGE. PEOPLE OUTSIDE SHOULD
MOVE TO A SHELTER...INSIDE A STRONG BUILDING AND AWAY FROM WINDOWS.

&&

A TORNADO WATCH REMAINS IN EFFECT UNTIL 800 PM MDT FOR CENTRAL
NEBRASKA.

LAT...LON 4281 10316 4285 10292 4246 10277 4245 10313
TIME...MOT...LOC 0113Z 348DEG 24KT 4275 10302 

HAIL...2.00IN
WIND...70MPH
 
$$

FINCH

1 follow-up statement

714 
WWUS55 KCYS 280141
SVSCYS

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE CHEYENNE WY
741 PM MDT MON JUN 27 2016

NEC045-280200-
/O.CON.KCYS.SV.W.0049.000000T0000Z-160628T0200Z/
DAWES NE-
741 PM MDT MON JUN 27 2016

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 800 PM MDT
FOR SOUTHEASTERN DAWES COUNTY...

AT 741 PM MDT...A SEVERE THUNDERSTORM WAS LOCATED 9 MILES SOUTH OF
RED CLOUD CAMPGROUND...OR 16 MILES SOUTHWEST OF HAY SPRINGS...MOVING
SOUTH AT 30 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. 

THIS SEVERE THUNDERSTORM WILL REMAIN OVER MAINLY RURAL AREAS OF
SOUTHEASTERN DAWES COUNTY...INCLUDING THE FOLLOWING LOCATIONS: CHADRON
ST PARK.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

THIS IS A DANGEROUS STORM. PREPARE IMMEDIATELY FOR LARGE DESTRUCTIVE
HAIL CAPABLE OF PRODUCING SIGNIFICANT DAMAGE. PEOPLE OUTSIDE SHOULD
MOVE TO A SHELTER...INSIDE A STRONG BUILDING AND AWAY FROM WINDOWS.

&&

A TORNADO WATCH REMAINS IN EFFECT UNTIL 800 PM MDT FOR CENTRAL
NEBRASKA.

LAT...LON 4271 10310 4272 10288 4246 10277 4245 10313
TIME...MOT...LOC 0141Z 348DEG 24KT 4256 10297 

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

FINCH

The office that day

Everything else NWS Cheyenne, WY issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Jun 27, 6:36 PM MDT	Severe Thunderstorm Warning	CYS	Dawes	39 min
Jun 27, 7:05 PM MDT	Severe Thunderstorm Warning	CYS	Dawes, Sioux	40 min
Jun 27, 7:18 PM MDT	Flash Flood Warning	CYS	Dawes	3 hr
Jun 27, 7:43 PM MDT	Severe Thunderstorm Warning	CYS	Box Butte, Dawes	47 min
Jun 27, 7:59 PM MDT	Severe Thunderstorm Warning	CYS	Box Butte, Dawes	46 min
Jun 27, 8:12 PM MDT	Special Weather Statement	CYS	Sioux	48 min
Jun 27, 8:23 PM MDT	Severe Thunderstorm Warning	CYS	Box Butte	37 min
Jun 27, 9:02 PM MDT	Special Weather Statement	CYS	Box Butte	28 min
Jun 27, 9:10 PM MDT	Severe Thunderstorm Warning	CYS	Box Butte	32 min
Jun 27, 9:52 PM MDT	Special Weather Statement	CYS	Morrill	38 min
Jun 27, 10:30 PM MDT	Special Weather Statement	CYS	Morrill	30 min
Jun 28, 12:01 AM MDT	Special Weather Statement	CYS	Morrill	29 min
Jun 28, 4:51 PM MDT	Severe Thunderstorm Warning	CYS	Dawes	54 min
Jun 28, 5:04 PM MDT	Severe Thunderstorm Warning	CYS	Banner, Scotts Bluff	26 min
Jun 28, 5:40 PM MDT	Severe Thunderstorm Warning	CYS	Box Butte, Dawes	27 min
Jun 28, 5:46 PM MDT	Special Weather Statement	CYS	Sioux	29 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.