Alert archive / Nebraska / Tornado Warnings in 2015

Tornado Warning 2, NWS Omaha, NE

May 3, 2015Gage County, Johnson County, Lancaster County, Nebraska

NWS Omaha, NE issued this tornado warning at May 3, 2015, 8:30 PM CDT for Gage County, Johnson County, Lancaster County, Nebraska. It was in force for 30 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 3, 2015, 8:30 PM CDT (01:30 UTC)
Expired: May 3, 2015, 9:00 PM CDT
In force: 30 min
Issued by: NWS Omaha, NE
Area: Storm-based polygon
Tornado: Radar indicated
Hail: 0.75 in

Counties Gage County, NE, Johnson County, NE, Lancaster County, NE

The radar

The Omaha radar (KOAX), 92 km from the middle of the area, began a volume at 01:31 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
May 3, 8:35 PM CDT	TORNADO	2 Ne Adams, NE
May 3, 9:00 PM CDT	HAIL 1	1 E Adams, NE
May 3, 9:05 PM CDT	HAIL 2	Sterling, NE
May 3, 9:09 PM CDT	HAIL 1.5	Sterling, NE

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

The nearest sounding before it

Omaha, NE (KOAX), launched 00:00Z, 1.5 hours before the alert went out and 92 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: 552 J/kg
Mixed-layer CIN: -245 J/kg
Mixed-layer LCL: 2278 m above ground
0-6 km bulk shear: 26 kt
0-1 km storm-relative helicity: 45 m²/s²
0-3 km storm-relative helicity: 113 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.

775 
WFUS53 KOAX 040130
TOROAX
NEC067-097-109-040200-
/O.NEW.KOAX.TO.W.0002.150504T0130Z-150504T0200Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE OMAHA/VALLEY NEBRASKA
830 PM CDT SUN MAY 3 2015

THE NATIONAL WEATHER SERVICE IN OMAHA HAS ISSUED A

* TORNADO WARNING FOR...
  NORTHWESTERN JOHNSON COUNTY IN SOUTHEASTERN NEBRASKA...
  NORTHEASTERN GAGE COUNTY IN SOUTHEASTERN NEBRASKA...
  SOUTHEASTERN LANCASTER COUNTY IN SOUTHEASTERN NEBRASKA...

* UNTIL 900 PM CDT

* AT 830 PM CDT...A SEVERE THUNDERSTORM CAPABLE OF PRODUCING A
  TORNADO WAS LOCATED OVER FIRTH...OR 19 MILES NORTH OF BEATRICE...
  MOVING SOUTHEAST AT 15 MPH.

  HAZARD...TORNADO. 

  SOURCE...WEATHER SPOTTERS REPORTED FUNNEL CLOUD. 

  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 BE NEAR...
  PANAMA AROUND 835 PM CDT.
  STERLING AROUND 900 PM CDT.

OTHER LOCATIONS IMPACTED BY THIS TORNADIC THUNDERSTORM INCLUDE
ADAMS...CRAB ORCHARD...WAGON TRAIN STATE RECREATION AREA AND
STAGECOACH STATE RECREATION AREA.

THIS INCLUDES THE FOLLOWING HIGHWAYS...
 HIGHWAY 136 IN NEBRASKA BETWEEN MILE MARKERS 191 AND 200.
 HIGHWAY 77 IN NEBRASKA BETWEEN MILEMARKERS 37 AND 45.

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 YOU ARE OUTDOORS...IN A
MOBILE HOME...OR IN A VEHICLE...MOVE TO THE CLOSEST SUBSTANTIAL
SHELTER AND PROTECT YOURSELF FROM FLYING DEBRIS.

&&

LAT...LON 4052 9679 4066 9664 4057 9646 4052 9646
      4052 9637 4046 9625 4026 9648
TIME...MOT...LOC 0130Z 310DEG 11KT 4053 9662 

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

$$

FOBERT

2 follow-up statements

275 
WWUS53 KOAX 040140
SVSOAX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE OMAHA/VALLEY NEBRASKA
840 PM CDT SUN MAY 3 2015

NEC067-097-109-040200-
/O.CON.KOAX.TO.W.0002.000000T0000Z-150504T0200Z/
JOHNSON NE-GAGE NE-LANCASTER NE-
840 PM CDT SUN MAY 3 2015

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 900 PM CDT FOR
NORTHWESTERN JOHNSON...NORTHEASTERN GAGE AND SOUTHEASTERN LANCASTER
COUNTIES...
        
AT 839 PM CDT...A SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO
WAS LOCATED OVER FIRTH...OR 19 MILES NORTHEAST OF BEATRICE...MOVING
SOUTHEAST AT 15 MPH.

HAZARD...TORNADO AND PING PONG BALL SIZE HAIL. 

SOURCE...WEATHER SPOTTERS REPORTED A 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. 

THIS DANGEROUS STORM WILL BE NEAR...
  PANAMA AROUND 845 PM CDT.

OTHER LOCATIONS IMPACTED BY THIS TORNADIC THUNDERSTORM INCLUDE
STAGECOACH STATE RECREATION AREA...ADAMS AND WAGON TRAIN STATE
RECREATION AREA.

THIS INCLUDES THE FOLLOWING HIGHWAYS...
 HIGHWAY 136 IN NEBRASKA NEAR MILE MARKER 200.
 HIGHWAY 77 IN NEBRASKA NEAR MILEMARKER 42.

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 YOU ARE OUTDOORS...IN A
MOBILE HOME...OR IN A VEHICLE...MOVE TO THE CLOSEST SUBSTANTIAL
SHELTER AND PROTECT YOURSELF FROM FLYING DEBRIS.

&&

LAT...LON 4052 9671 4066 9664 4057 9646 4052 9646
      4052 9637 4046 9625 4033 9640
TIME...MOT...LOC 0139Z 305DEG 10KT 4053 9659 

TORNADO...RADAR INDICATED
HAIL...1.50IN

$$

FOBERT

194 
WWUS53 KOAX 040149
SVSOAX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE OMAHA/VALLEY NEBRASKA
849 PM CDT SUN MAY 3 2015

NEC067-097-109-040200-
/O.CON.KOAX.TO.W.0002.000000T0000Z-150504T0200Z/
JOHNSON NE-GAGE NE-LANCASTER NE-
849 PM CDT SUN MAY 3 2015

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 900 PM CDT FOR
NORTHWESTERN JOHNSON...NORTHEASTERN GAGE AND SOUTHEASTERN LANCASTER
COUNTIES...
    
AT 849 PM CDT...A SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO
WAS LOCATED NEAR STERLING...OR 20 MILES NORTHEAST OF BEATRICE...
MOVING SOUTHEAST AT 20 MPH.

HAZARD...TORNADO AND PING PONG BALL SIZE HAIL. 

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 BE NEAR...
  STERLING AROUND 900 PM CDT.

OTHER LOCATIONS IMPACTED BY THIS TORNADIC THUNDERSTORM INCLUDE ADAMS
AND WAGON TRAIN STATE RECREATION AREA.

THIS INCLUDES HIGHWAY 136 IN NEBRASKA NEAR MILE MARKER 200.
 
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 YOU ARE OUTDOORS...IN A
MOBILE HOME...OR IN A VEHICLE...MOVE TO THE CLOSEST SUBSTANTIAL
SHELTER AND PROTECT YOURSELF FROM FLYING DEBRIS.

&&

LAT...LON 4048 9665 4064 9659 4057 9646 4052 9646
      4052 9637 4046 9625 4033 9640
TIME...MOT...LOC 0149Z 303DEG 15KT 4049 9647 

TORNADO...RADAR INDICATED
HAIL...1.50IN

$$

FOBERT

The office that day

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

Issued	Product	Office	Counties	Lasted
May 3, 7:11 PM CDT	Severe Thunderstorm Warning	OAX	Colfax, Platte	17 min
May 3, 7:19 PM CDT	Severe Thunderstorm Warning	OAX	Cuming	19 min
May 3, 7:23 PM CDT	Severe Thunderstorm Warning	OAX	Cuming	37 min
May 3, 7:29 PM CDT	Severe Thunderstorm Warning	OAX	Johnson	31 min
May 3, 7:40 PM CDT	Severe Thunderstorm Warning	OAX	Cuming, Stanton	19 min
May 3, 7:44 PM CDT	Severe Thunderstorm Warning	OAX	Lancaster, Otoe	46 min
May 3, 7:46 PM CDT	Areal Flood Advisory	OAX	Cuming	3 hr
May 3, 7:55 PM CDT	Severe Thunderstorm Warning	OAX	Thurston	39 min
May 3, 7:59 PM CDT	Severe Thunderstorm Warning	OAX	Johnson, Nemaha, Otoe	31 min
May 3, 8:08 PM CDT	Severe Thunderstorm Warning	OAX	Lancaster, Otoe	37 min
May 3, 8:24 PM CDT	Special Weather Statement	OAX	Cuming	51 min
May 3, 8:31 PM CDT	Severe Thunderstorm Warning	OAX	Thurston	29 min
May 3, 8:33 PM CDT	Severe Thunderstorm Warning	OAX	Johnson, Nemaha, Otoe	42 min
May 3, 8:56 PM CDT	Tornado Warning	OAX	Nemaha	34 min
May 3, 9:01 PM CDT	Severe Thunderstorm Warning	OAX	Gage, Johnson, Otoe	29 min
May 3, 9:02 PM CDT	Areal Flood Advisory	OAX	Johnson, Lancaster, Nemaha, Otoe	3 hr
May 3, 9:29 PM CDT	Severe Thunderstorm Warning	OAX	Johnson, Nemaha, Pawnee	46 min
May 3, 9:31 PM CDT	Severe Thunderstorm Warning	OAX	Nemaha	29 min
May 3, 10:04 PM CDT	Severe Thunderstorm Warning	OAX	Sarpy, Saunders	41 min
May 3, 10:06 PM CDT	Severe Thunderstorm Warning	OAX	Johnson, Nemaha	24 min
May 3, 10:15 PM CDT	Severe Thunderstorm Warning	OAX	Saunders	30 min
May 3, 10:55 PM CDT	Special Weather Statement	OAX	Gage	50 min
May 3, 11:23 PM CDT	Severe Thunderstorm Warning	OAX	Gage, Pawnee	37 min
May 3, 11:41 PM CDT	Severe Thunderstorm Warning	OAX	Cass, Sarpy, Saunders	34 min
May 3, 11:53 PM CDT	Severe Thunderstorm Warning	OAX	Lancaster, Saunders	26 min
May 4, 12:17 AM CDT	Severe Thunderstorm Warning	OAX	Cass, Otoe	28 min
May 4, 12:25 AM CDT	Severe Thunderstorm Warning	OAX	Otoe	35 min
May 4, 1:11 AM CDT	Special Weather Statement	OAX	Nemaha, Otoe	49 min
May 4, 1:21 AM CDT	Severe Thunderstorm Warning	OAX	Johnson, Nemaha, Otoe	24 min
May 4, 2:35 AM CDT	Areal Flood Advisory	OAX	Johnson, Nemaha, Otoe	4 hr
May 4, 6:02 AM CDT	Special Weather Statement	OAX	Cass	43 min

Nearby

Tornado Warnings in Nebraska, 2015 Every tornado warning in 2015 Tornadoes in 2015

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.