Alert archive / Nebraska / Tornado Warnings in 2012

Tornado Warning 17, NWS Omaha, NE

May 27, 2012Madison County, Pierce County, Stanton County, Nebraska

NWS Omaha, NE issued this tornado warning at May 27, 2012, 6:28 PM CDT for Madison County, Pierce County, Stanton County, Nebraska. It was in force for 32 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 27, 2012, 6:28 PM CDT (23:28 UTC)
Expired: May 27, 2012, 7:00 PM CDT
In force: 32 min
Issued by: NWS Omaha, NE
Area: Storm-based polygon

Counties Madison County, NE, Pierce County, NE, Stanton County, NE

The radar

The Omaha radar (KOAX), 121 km from the middle of the area, began a volume at 23:28 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, 6:30 PM CDT	TORNADO	2 Sw Battle Creek, 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
May 27, 3:42 PM CDT	Severe Thunderstorm Watch	SPC	8 hr

The nearest sounding before it

Omaha, NE (KOAX), launched 12:00Z, 11.5 hours before the alert went out and 121 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: 1034 J/kg
Mixed-layer CIN: -295 J/kg
Mixed-layer LCL: 1208 m above ground
0-6 km bulk shear: 34 kt
0-1 km storm-relative helicity: 222 m²/s²
0-3 km storm-relative helicity: 245 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.

027 
WFUS53 KOAX 272328
TOROAX
NEC119-139-167-280000-
/O.NEW.KOAX.TO.W.0017.120527T2328Z-120528T0000Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE OMAHA/VALLEY NEBRASKA
628 PM CDT SUN MAY 27 2012

THE NATIONAL WEATHER SERVICE IN OMAHA HAS ISSUED A

* TORNADO WARNING FOR...
  EXTREME SOUTHEASTERN PIERCE COUNTY IN NORTHEAST NEBRASKA...
  MADISON COUNTY IN NORTHEAST NEBRASKA...
  EXTREME NORTHWESTERN STANTON COUNTY IN NORTHEAST NEBRASKA...

* UNTIL 700 PM CDT

* AT 623 PM CDT...DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM 
  CAPABLE OF PRODUCING A TORNADO. THIS DANGEROUS STORM WAS LOCATED 7 
  MILES NORTH OF NEWMAN GROVE...OR 21 MILES SOUTHWEST OF NORFOLK...
  AND MOVING NORTHEAST AT 45 MPH.

* LOCATIONS IMPACTED INCLUDE...
  NORFOLK...BATTLE CREEK AND HADAR. 

THIS INCLUDES THE FOLLOWING HIGHWAYS...
 HIGHWAY 275 BETWEEN MILE MARKERS 64 AND 81.
 HIGHWAY 81 BETWEEN MILE MARKERS 149 AND 166.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 4220 9742 4213 9736 4210 9737 4209 9732
      4204 9728 4191 9742 4181 9774 4190 9781
TIME...MOT...LOC 2323Z 230DEG 38KT 4186 9777 

$$

SMITH/ZAPOTOCNY

2 follow-up statements

100 
WWUS53 KOAX 272337
SVSOAX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE OMAHA/VALLEY NEBRASKA
637 PM CDT SUN MAY 27 2012

NEC119-139-167-280000-
/O.CON.KOAX.TO.W.0017.000000T0000Z-120528T0000Z/
PIERCE NE-MADISON NE-STANTON NE-
637 PM CDT SUN MAY 27 2012

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 700 PM CDT FOR 
EXTREME SOUTHEASTERN PIERCE...MADISON AND EXTREME NORTHWESTERN 
STANTON COUNTIES...

AT 632 PM CDT...DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM 
CAPABLE OF PRODUCING A TORNADO. THIS DANGEROUS STORM WAS LOCATED 
NEAR BATTLE CREEK...OR 10 MILES SOUTHWEST OF NORFOLK...MOVING 
NORTHEAST AT 50 MPH. 

AT 630 PM A TORNADO WAS REPORTED SOUTHWEST OF BATTLE CREEK. 

LOCATIONS IMPACTED INCLUDE...
NORFOLK...BATTLE CREEK AND HADAR. 

THIS INCLUDES THE FOLLOWING HIGHWAYS...
 HIGHWAY 275 BETWEEN MILE MARKERS 64 AND 81.
 HIGHWAY 81 BETWEEN MILE MARKERS 153 AND 166.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 4220 9742 4214 9737 4210 9737 4209 9732
      4205 9729 4203 9729 4188 9756 4199 9769
TIME...MOT...LOC 2332Z 229DEG 43KT 4197 9760 

$$

SMITH/ZAPOTOCNY

169 
WWUS53 KOAX 272356
SVSOAX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE OMAHA/VALLEY NEBRASKA
656 PM CDT SUN MAY 27 2012

NEC119-139-167-280010-
/O.EXP.KOAX.TO.W.0017.000000T0000Z-120528T0000Z/
PIERCE NE-MADISON NE-STANTON NE-
656 PM CDT SUN MAY 27 2012

...THE TORNADO WARNING FOR EXTREME SOUTHEASTERN PIERCE...MADISON 
AND EXTREME NORTHWESTERN STANTON COUNTIES WILL EXPIRE AT 700 PM 
CDT...

THE STORM WHICH PROMPTED THE WARNING HAS MOVED OUT OF THE AREA. 
THEREFORE THE WARNING WILL BE ALLOWED TO EXPIRE. 

A SEVERE THUNDERSTORMS HAS BEEN REISSUED FARTHER NORTHEAST. A SEVERE 
THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL MIDNIGHT

LAT...LON 4220 9742 4214 9737 4210 9737 4209 9732
      4205 9729 4203 9729 4188 9756 4199 9769
TIME...MOT...LOC 2355Z 230DEG 38KT 4197 9760 

$$

SMITH/ZAPOTOCNY

The office that day

Everything else NWS Omaha, NE issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
May 27, 3:42 AM CDT	Flash Flood Watch	OAX	Burt, Cuming, Thurston	21 hr
May 27, 4:15 PM CDT	Special Weather Statement	OAX	Stanton	30 min
May 27, 4:39 PM CDT	Severe Thunderstorm Warning	OAX	Cuming, Stanton, Thurston, Wayne	47 min
May 27, 4:41 PM CDT	Severe Thunderstorm Warning	OAX	Antelope, Boone	34 min
May 27, 5:13 PM CDT	Tornado Warning	OAX	Antelope, Pierce	29 min
May 27, 5:16 PM CDT	Severe Thunderstorm Warning	OAX	Cedar	44 min
May 27, 5:24 PM CDT	Severe Thunderstorm Warning	OAX	Cedar, Knox, Madison, Pierce, Wayne	51 min
May 27, 5:30 PM CDT	Tornado Warning	OAX	Antelope, Pierce	30 min
May 27, 5:36 PM CDT	Tornado Warning	OAX	Boone	39 min
May 27, 5:43 PM CDT	Severe Thunderstorm Warning	OAX	Saline, Seward	47 min
May 27, 5:47 PM CDT	Flash Flood Warning	OAX	Antelope, Boone, Pierce	3 hr
May 27, 5:57 PM CDT	Severe Thunderstorm Warning	OAX	Jefferson, Saline, Seward	48 min
May 27, 6:00 PM CDT	Tornado Warning	OAX	Boone, Madison, Platte	30 min
May 27, 6:04 PM CDT	Severe Thunderstorm Warning	OAX	Antelope, Boone, Madison, Pierce	26 min
May 27, 6:06 PM CDT	Severe Thunderstorm Warning	OAX	Cedar, Pierce, Wayne	39 min
May 27, 6:08 PM CDT	Areal Flood Advisory	OAX	Antelope, Pierce	3 hr
May 27, 6:19 PM CDT	Severe Thunderstorm Warning	OAX	Butler, Seward	26 min
May 27, 6:19 PM CDT	Severe Thunderstorm Warning	OAX	Boone, Platte	26 min
May 27, 6:32 PM CDT	Severe Thunderstorm Warning	OAX	Madison, Pierce	28 min
May 27, 6:42 PM CDT	Severe Thunderstorm Warning	OAX	Antelope, Boone, Madison, Platte	33 min
May 27, 6:46 PM CDT	Severe Thunderstorm Warning	OAX	Butler, Colfax, Dodge, Saunders	33 min
May 27, 6:48 PM CDT	Severe Thunderstorm Warning	OAX	Butler, Lancaster, Saline, Saunders, Seward	57 min
May 27, 6:53 PM CDT	Severe Thunderstorm Warning	OAX	Cedar, Pierce, Stanton, Thurston, Wayne	37 min

Nearby

Tornado Warnings in Nebraska, 2012 Every tornado warning in 2012 Tornadoes in 2012

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.