Alert archive / Nebraska / Tornado Warnings in 2013

Tornado Warning 7, NWS Cheyenne, WY

May 27, 2013Banner County, Kimball County, Nebraska

NWS Cheyenne, WY issued this tornado warning at May 27, 2013, 2:05 PM MDT for Banner County, Kimball County, Nebraska. It was in force for 25 min. 4 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 27, 2013, 2:05 PM MDT (20:05 UTC)
Expired: May 27, 2013, 2:30 PM MDT
In force: 25 min
Issued by: NWS Cheyenne, WY
Area: Storm-based polygon
Tornado: Observed
Hail: 1.0 in

Counties Banner County, NE, Kimball County, NE

The radar

The Cheyenne radar (KCYS), 106 km from the middle of the area, began a volume at 20:06 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 27, 2:15 PM MDT	TORNADO	11 N Kimball, NE	SPOTTER REPORTS TWO TORNADOES ON THE GROUND.
May 27, 2:24 PM MDT	FUNNEL CLOUD	6 S Harrisburg, NE	A LITTLE PEA SIZE HAIL AND 0.03 HUNDREDTHS INCH RAIN.
May 27, 2:25 PM MDT	TORNADO	6 Nw Dix, NE	RELAYED VIA KIMBALL WARNING POINT. DEPUTY HAS VISUAL ON TORNADO.
May 27, 2:28 PM MDT	TORNADO	12 Nw Potter, NE	TORNADO HAS NOW LIFTED.

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 27, 1:19 PM MDT	Severe Thunderstorm Watch	SPC	6 hr

The nearest sounding before it

Denver, CO (KDNR), launched 12:00Z, 8.1 hours before the alert went out and 180 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: 0 J/kg
Mixed-layer CIN: No buoyant parcel
Mixed-layer LCL: 4442 m above ground
0-6 km bulk shear: 26 kt
0-1 km storm-relative helicity: -4 m²/s²
0-3 km storm-relative helicity: 7 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

091 
WFUS55 KCYS 272005
TORCYS
NEC007-105-272030-
/O.NEW.KCYS.TO.W.0007.130527T2005Z-130527T2030Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE CHEYENNE WY
205 PM MDT MON MAY 27 2013

THE NATIONAL WEATHER SERVICE IN CHEYENNE HAS ISSUED A

* TORNADO WARNING FOR...
  CENTRAL BANNER COUNTY IN THE PANHANDLE OF NEBRASKA...
  NORTHEASTERN KIMBALL COUNTY IN THE PANHANDLE OF NEBRASKA...

* UNTIL 230 PM MDT

* AT 201 PM MDT...A CONFIRMED TORNADO WAS LOCATED 11 MILES NORTH OF
  KIMBALL...AND MOVING EAST AT 25 MPH.

  HAZARD...DAMAGING TORNADO AND QUARTER SIZE HAIL.

  SOURCE...WEATHER SPOTTERS CONFIRMED TORNADO.

  IMPACT...MOBILE HOMES WILL BE HEAVILY DAMAGED OR DESTROYED.
           SIGNIFICANT DAMAGE TO ROOFS...WINDOWS AND VEHICLES WILL
           OCCUR. FLYING DEBRIS WILL BE DEADLY TO PEOPLE AND ANIMALS.
           EXTENSIVE TREE DAMAGE IS LIKELY.

* THE TORNADO WILL AFFECT MAINLY RURAL AREAS OF CENTRAL BANNER AND
  NORTHEASTERN KIMBALL COUNTIES.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

TO REPORT SEVERE WEATHER CONTACT YOUR NEAREST LAW ENFORCEMENT AGENCY.
THEY WILL SEND YOUR REPORT TO THE NATIONAL WEATHER SERVICE IN
CHEYENNE.

&&

LAT...LON 4161 10350 4130 10341 4128 10378 4150 10385
TIME...MOT...LOC 2005Z 256DEG 20KT 4139 10367

TORNADO...OBSERVED
HAIL...1.00IN

$$

RUBIN

2 follow-up statements

892 
WWUS55 KCYS 272014
SVSCYS

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE CHEYENNE WY
214 PM MDT MON MAY 27 2013

NEC007-105-272030-
/O.CON.KCYS.TO.W.0007.000000T0000Z-130527T2030Z/
BANNER NE-KIMBALL NE-
214 PM MDT MON MAY 27 2013

...A TORNADO WARNING REMAINS IN EFFECT FOR NORTHEASTERN KIMBALL AND
CENTRAL BANNER COUNTIES UNTIL 230 PM MDT...

AT 214 PM MDT...SPOTTERS REPORTED TORNADOES 11 MILES NORTH OF 
KIMBALL. THE STORMS WERE MOVING EAST AT 25 MPH.

HAZARD...TORNADOES AND QUARTER SIZE HAIL.

SOURCE...RADAR INDICATED ROTATION.

IMPACT...MOBILE HOMES WILL BE HEAVILY DAMAGED OR DESTROYED.
         SIGNIFICANT DAMAGE TO ROOFS...WINDOWS AND VEHICLES WILL
         OCCUR. FLYING DEBRIS WILL BE DEADLY TO PEOPLE AND ANIMALS.
         EXTENSIVE TREE DAMAGE IS LIKELY.

THIS DANGEROUS STORM WILL AFFECT MAINLY RURAL AREAS OF CENTRAL BANNER
AND NORTHEASTERN KIMBALL COUNTIES.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

TO REPORT SEVERE WEATHER CONTACT YOUR NEAREST LAW ENFORCEMENT AGENCY.
THEY WILL SEND YOUR REPORT TO THE NATIONAL WEATHER SERVICE IN
CHEYENNE.

&&

LAT...LON 4161 10350 4130 10341 4128 10378 4150 10385
TIME...MOT...LOC 2013Z 256DEG 20KT 4133 10364

TORNADO...RADAR INDICATED
HAIL...1.00IN

$$

RUBIN

504 
WWUS55 KCYS 272030
SVSCYS

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE CHEYENNE WY
230 PM MDT MON MAY 27 2013

NEC007-105-272039-
/O.EXP.KCYS.TO.W.0007.000000T0000Z-130527T2030Z/
BANNER NE-KIMBALL NE-
230 PM MDT MON MAY 27 2013

...THE TORNADO WARNING FOR NORTHEASTERN KIMBALL AND CENTRAL BANNER
COUNTIES WILL EXPIRE AT 230 PM MDT...

THE STORM WHICH PROMPTED THE WARNING HAS MOVED OUT OF THE WARNED
AREA.

ANOTHER TORNADO WARNING IS IN EFFECT UNTIL 300 PM MDT FOR 
SOUTHEASTERN BANNER COUNTY...NORTHWESTERN CHEYENNE 
COUNTY...NORTHEASTERN KIMBALL COUNTY AND SOUTHWESTERN MORRILL COUNTY.

ADDITIONAL STRONG THUNDERSTORMS ARE STILL POSSIBLE...AND A SEVERE 
THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 900 PM MDT.

LAT...LON 4161 10350 4130 10341 4128 10378 4150 10385
TIME...MOT...LOC 2029Z 256DEG 20KT 4135 10352

$$

RUBIN

The office that day

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

Issued	Product	Office	Counties	Lasted
May 26, 8:01 PM MDT	Severe Thunderstorm Warning	CYS	Sioux	44 min
May 26, 8:30 PM MDT	Special Weather Statement	CYS	Scotts Bluff	45 min
May 26, 9:05 PM MDT	Special Weather Statement	CYS	Scotts Bluff	25 min
May 26, 9:22 PM MDT	Severe Thunderstorm Warning	CYS	Banner, Morrill, Scotts Bluff	38 min
May 26, 9:53 PM MDT	Special Weather Statement	CYS	Scotts Bluff	52 min
May 26, 10:16 PM MDT	Special Weather Statement	CYS	Box Butte	44 min
May 27, 2:00 PM MDT	Special Weather Statement	CYS	Banner	60 min
May 27, 2:28 PM MDT	Tornado Warning Tornado observed	CYS	Banner, Cheyenne, Kimball, Morrill	32 min
May 27, 2:57 PM MDT	Special Weather Statement	CYS	Cheyenne	48 min
May 27, 3:33 PM MDT	Special Weather Statement	CYS	Banner	42 min
May 27, 3:36 PM MDT	Special Weather Statement	CYS	Morrill	39 min
May 27, 3:38 PM MDT	Special Weather Statement	CYS	Box Butte	52 min
May 27, 3:45 PM MDT	Severe Thunderstorm Warning	CYS	Cheyenne, Morrill	60 min
May 27, 3:57 PM MDT	Severe Thunderstorm Warning	CYS	Box Butte, Dawes, Sioux	63 min
May 27, 4:02 PM MDT	Tornado Warning Tornado observed	CYS	Box Butte, Dawes, Sioux	28 min
May 27, 4:11 PM MDT	Special Weather Statement	CYS	Dawes	64 min
May 27, 4:32 PM MDT	Special Weather Statement	CYS	Dawes	58 min
May 27, 4:43 PM MDT	Severe Thunderstorm Warning	CYS	Dawes	62 min
May 27, 4:46 PM MDT	Special Weather Statement	CYS	Box Butte	59 min
May 27, 4:47 PM MDT	Special Weather Statement	CYS	Box Butte	58 min
May 27, 5:28 PM MDT	Special Weather Statement	CYS	Box Butte	62 min
May 27, 5:35 PM MDT	Special Weather Statement	CYS	Scotts Bluff	40 min
May 27, 5:48 PM MDT	Special Weather Statement	CYS	Box Butte	57 min

Nearby

Tornado Warnings in Nebraska, 2013 Every tornado warning in 2013 Tornadoes in 2013

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.