Alert archive / Nebraska / Tornado Warnings in 2014

Tornado Warning 14, NWS Cheyenne, WY

July 13, 2014Kimball County, Nebraska

NWS Cheyenne, WY issued this tornado warning at Jul 13, 2014, 3:09 PM MDT for Kimball County, Nebraska. It was in force for 36 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: Jul 13, 2014, 3:09 PM MDT (21:09 UTC)
Expired: Jul 13, 2014, 3:45 PM MDT
In force: 36 min
Issued by: NWS Cheyenne, WY
Area: Storm-based polygon
Tornado: Observed
Hail: 0.75 in

County Kimball County, NE

The radar

The Cheyenne radar (KCYS), 104 km from the middle of the area, began a volume at 21:10 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
Jul 13, 3:09 PM MDT	TORNADO	8 S Kimball, NE	BRIEF TOUCHDOWN ABOUT 1 MIN.

Local storm reports filed while the alert was in force, from inside its polygon or its counties.

The nearest sounding before it

Denver, CO (KDEN), launched 12:00Z, 9.2 hours before the alert went out and 135 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: 88 J/kg
Mixed-layer CIN: -71 J/kg
Mixed-layer LCL: 1036 m above ground
0-6 km bulk shear: 18 kt
0-1 km storm-relative helicity: -1 m²/s²
0-3 km storm-relative helicity: 18 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.

057 
WFUS55 KCYS 132109
TORCYS
NEC105-132145-
/O.NEW.KCYS.TO.W.0014.140713T2109Z-140713T2145Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE CHEYENNE WY
309 PM MDT SUN JUL 13 2014

THE NATIONAL WEATHER SERVICE IN CHEYENNE HAS ISSUED A

* TORNADO WARNING FOR...
  SOUTHEASTERN KIMBALL COUNTY IN THE PANHANDLE OF NEBRASKA...

* UNTIL 345 PM MDT

* AT 305 PM MDT...A CONFIRMED TORNADO WAS LOCATED 5 MILES SOUTH OF
  KIMBALL AIRPORT...AND MOVING SOUTHEAST AT 20 MPH.

  HAZARD...DAMAGING TORNADO.

  SOURCE...LAW ENFORCEMENT CONFIRMED TORNADO.

  IMPACT...FLYING DEBRIS WILL BE DANGEROUS TO THOSE CAUGHT WITHOUT
           SHELTER. MOBILE HOMES WILL BE DAMAGED OR DESTROYED. DAMAGE
           TO ROOFS...WINDOWS AND VEHICLES WILL OCCUR. TREE DAMAGE IS
           LIKELY.

* THE TORNADO WILL AFFECT MAINLY RURAL AREAS OF SOUTHEASTERN KIMBALL
  COUNTY.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

TO REPEAT...A TORNADO IS ON THE GROUND. TAKE COVER NOW. MOVE TO AN
INTERIOR ROOM ON THE LOWEST FLOOR OF A STURDY BUILDING. AVOID
WINDOWS. IF IN A MOBILE HOME...A VEHICLE OR OUTDOORS...MOVE TO THE
CLOSEST SUBSTANTIAL SHELTER AND PROTECT YOURSELF FROM FLYING DEBRIS.

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

&&

LAT...LON 4106 10367 4115 10372 4117 10362 4105 10337
      4100 10338 4099 10349 4099 10363
TIME...MOT...LOC 2109Z 319DEG 18KT 4110 10364

TORNADO...OBSERVED
HAIL...<.75IN

$$

RUBIN

2 follow-up statements

654 
WWUS55 KCYS 132125
SVSCYS

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE CHEYENNE WY
325 PM MDT SUN JUL 13 2014

NEC105-132145-
/O.CON.KCYS.TO.W.0014.000000T0000Z-140713T2145Z/
KIMBALL NE-
325 PM MDT SUN JUL 13 2014

...A TORNADO WARNING REMAINS IN EFFECT FOR SOUTHEASTERN KIMBALL
COUNTY UNTIL 345 PM MDT...

AT 320 PM MDT...A SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO
WAS LOCATED 11 MILES SOUTHEAST OF KIMBALL AIRPORT...AND MOVING
SOUTHEAST AT 20 MPH.

HAZARD...TORNADO.

SOURCE...RADAR INDICATED ROTATION.

IMPACT...FLYING DEBRIS WILL BE DANGEROUS TO THOSE CAUGHT WITHOUT
         SHELTER. MOBILE HOMES WILL BE DAMAGED OR DESTROYED. DAMAGE
         TO ROOFS...WINDOWS AND VEHICLES WILL OCCUR. TREE DAMAGE IS
         LIKELY.

THIS DANGEROUS STORM WILL AFFECT MAINLY RURAL AREAS OF SOUTHEASTERN
KIMBALL COUNTY.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

TAKE COVER NOW. MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF A
STURDY BUILDING. AVOID WINDOWS. IF IN A MOBILE HOME...A VEHICLE OR
OUTDOORS...MOVE TO THE CLOSEST SUBSTANTIAL SHELTER AND PROTECT
YOURSELF FROM FLYING DEBRIS.

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

&&

LAT...LON 4108 10368 4109 10345 4107 10343 4105 10338
      4100 10338 4099 10349 4099 10363
TIME...MOT...LOC 2125Z 319DEG 18KT 4102 10357

TORNADO...RADAR INDICATED
HAIL...<.75IN

$$

RUBIN

292 
WWUS55 KCYS 132137
SVSCYS

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE CHEYENNE WY
337 PM MDT SUN JUL 13 2014

NEC105-132147-
/O.EXP.KCYS.TO.W.0014.000000T0000Z-140713T2145Z/
KIMBALL NE-
337 PM MDT SUN JUL 13 2014

...THE TORNADO WARNING FOR SOUTHEASTERN KIMBALL COUNTY WILL EXPIRE AT
345 PM MDT...

THE STORM WHICH PROMPTED THE WARNING HAS WEAKENED BELOW SEVERE
LIMITS...AND NO LONGER POSES AN IMMEDIATE THREAT TO LIFE OR PROPERTY.

LAT...LON 4108 10368 4109 10345 4107 10343 4105 10338
      4100 10338 4099 10349 4099 10363
TIME...MOT...LOC 2137Z 319DEG 18KT 4097 10352

$$

RUBIN

The office that day

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

Issued	Product	Office	Counties	Lasted
Jul 12, 8:21 PM MDT	Special Weather Statement	CYS	Scotts Bluff	24 min
Jul 13, 2:04 PM MDT	Special Weather Statement	CYS	Box Butte	56 min
Jul 13, 2:17 PM MDT	Special Weather Statement	CYS	Kimball	58 min
Jul 13, 2:29 PM MDT	Special Weather Statement	CYS	Sioux	61 min
Jul 13, 3:17 PM MDT	Special Weather Statement	CYS	Cheyenne	58 min
Jul 13, 3:22 PM MDT	Special Weather Statement	CYS	Sioux	53 min
Jul 13, 3:28 PM MDT	Severe Thunderstorm Warning	CYS	Cheyenne	48 min
Jul 13, 3:32 PM MDT	Special Weather Statement	CYS	Cheyenne	43 min
Jul 13, 3:36 PM MDT	Areal Flood Advisory	CYS	Kimball	3 hr
Jul 13, 4:01 PM MDT	Special Weather Statement	CYS	Cheyenne	59 min
Jul 13, 5:22 PM MDT	Special Weather Statement	CYS	Kimball	23 min

Nearby

Tornado Warnings in Nebraska, 2014 Every tornado warning in 2014 Tornadoes in 2014

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.