Alert archive / Nebraska / Severe Thunderstorm Warnings in 2015

Severe Thunderstorm Warning 252, NWS Omaha, NE

September 22, 2015Platte County, Nebraska

NWS Omaha, NE issued this severe thunderstorm warning at Sep 22, 2015, 9:51 PM CDT for Platte County, Nebraska. It was in force for 39 min. 2 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: Sep 22, 2015, 9:51 PM CDT (02:51 UTC)
Expired: Sep 22, 2015, 10:30 PM CDT
In force: 39 min
Issued by: NWS Omaha, NE
Area: Storm-based polygon
Hail: 1.0 in
Wind: 50.0 mph

County Platte County, NE

The radar

The Omaha radar (KOAX), 83 km from the middle of the area, began a volume at 02:51 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
Sep 22, 10:07 PM CDT	HAIL 1	1 Nw Columbus, NE	MOSTLY DIME SIZE WITH SOME 1 INCH DIAMETER AT THE HOSPITAL.
Sep 22, 10:08 PM CDT	HAIL 1	3 Nnw Columbus, 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, 2.9 hours before the alert went out and 83 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: 504 J/kg
Mixed-layer CIN: -241 J/kg
Mixed-layer LCL: 1351 m above ground
0-6 km bulk shear: 17 kt
0-1 km storm-relative helicity: 53 m²/s²
0-3 km storm-relative helicity: 370 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.

689 
WUUS53 KOAX 230251
SVROAX
NEC141-230330-
/O.NEW.KOAX.SV.W.0252.150923T0251Z-150923T0330Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE OMAHA/VALLEY NEBRASKA
951 PM CDT TUE SEP 22 2015

THE NATIONAL WEATHER SERVICE IN OMAHA HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  SOUTHEASTERN PLATTE COUNTY IN NORTHEASTERN NEBRASKA...

* UNTIL 1030 PM CDT

* AT 950 PM CDT...A SEVERE THUNDERSTORM WAS LOCATED NEAR COLUMBUS...
  MOVING NORTHEAST AT 15 MPH.

  HAZARD...QUARTER SIZE HAIL. 

  SOURCE...RADAR INDICATED. 

  IMPACT...DAMAGE TO VEHICLES IS EXPECTED. 

* LOCATIONS IMPACTED INCLUDE...
  COLUMBUS...LAKE NORTH BABCOCK CAMPGROUND...LAKE OCAONEE...COLLEGE
  VIEW TRAILER PARK...CAMP PAWNEE...CIRCLE H TRAILER PARK...SHELL
  CREEK ELEMENTARY SCHOOL AND CENTRAL COMMUNITY COLLEGE.

THIS INCLUDES THE FOLLOWING HIGHWAYS...
 HIGHWAY 30 IN NEBRASKA BETWEEN MILE MARKERS 375 AND 384.
 HIGHWAY 81 IN NEBRASKA BETWEEN MILEMARKERS 110 AND 116.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 4167 9726 4138 9725 4138 9729 4139 9733
      4139 9738 4138 9740 4138 9743 4144 9751
TIME...MOT...LOC 0250Z 225DEG 14KT 4140 9739 

HAIL...1.00IN
WIND...<50MPH
 
$$

MILLER

5 follow-up statements

206 
WWUS53 KOAX 230257
SVSOAX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE OMAHA/VALLEY NEBRASKA
957 PM CDT TUE SEP 22 2015

NEC141-230330-
/O.CON.KOAX.SV.W.0252.000000T0000Z-150923T0330Z/
PLATTE NE-
957 PM CDT TUE SEP 22 2015

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 1030 PM CDT
FOR SOUTHEASTERN PLATTE COUNTY...

AT 956 PM CDT...A SEVERE THUNDERSTORM WAS LOCATED OVER COLUMBUS...
MOVING NORTHEAST AT 15 MPH.

HAZARD...60 MPH WIND GUSTS AND HALF DOLLAR SIZE HAIL. 

SOURCE...RADAR INDICATED. 

IMPACT...HAIL DAMAGE TO VEHICLES IS EXPECTED. EXPECT WIND DAMAGE TO 
         ROOFS...SIDING AND TREES. 

LOCATIONS IMPACTED INCLUDE...
COLUMBUS...LAKE NORTH BABCOCK CAMPGROUND...LAKE OCAONEE...COLLEGE
VIEW TRAILER PARK...CAMP PAWNEE...CIRCLE H TRAILER PARK...SHELL CREEK
ELEMENTARY SCHOOL AND CENTRAL COMMUNITY COLLEGE.

THIS INCLUDES THE FOLLOWING HIGHWAYS...
 HIGHWAY 30 IN NEBRASKA BETWEEN MILE MARKERS 375 AND 384.
 HIGHWAY 81 IN NEBRASKA BETWEEN MILEMARKERS 110 AND 116.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 4167 9726 4138 9725 4138 9729 4139 9733
      4139 9738 4138 9740 4138 9743 4144 9751
TIME...MOT...LOC 0256Z 219DEG 15KT 4143 9738 

HAIL...1.25IN
WIND...60MPH
 
$$

MILLER

879 
WWUS53 KOAX 230305
SVSOAX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE OMAHA/VALLEY NEBRASKA
1005 PM CDT TUE SEP 22 2015

NEC141-230330-
/O.CON.KOAX.SV.W.0252.000000T0000Z-150923T0330Z/
PLATTE NE-
1005 PM CDT TUE SEP 22 2015

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 1030 PM CDT
FOR SOUTHEASTERN PLATTE COUNTY...

AT 1005 PM CDT...A SEVERE THUNDERSTORM WAS LOCATED NEAR COLUMBUS...
MOVING NORTHEAST AT 15 MPH.

HAZARD...60 MPH WIND GUSTS AND HALF DOLLAR SIZE HAIL. 

SOURCE...RADAR INDICATED. 

IMPACT...HAIL DAMAGE TO VEHICLES IS EXPECTED. EXPECT WIND DAMAGE TO 
         ROOFS...SIDING AND TREES. 

LOCATIONS IMPACTED INCLUDE...
COLUMBUS...LAKE NORTH BABCOCK CAMPGROUND...LAKE OCAONEE...COLLEGE
VIEW TRAILER PARK...CAMP PAWNEE...CIRCLE H TRAILER PARK...SHELL CREEK
ELEMENTARY SCHOOL AND CENTRAL COMMUNITY COLLEGE.

THIS INCLUDES THE FOLLOWING HIGHWAYS...
 HIGHWAY 30 IN NEBRASKA BETWEEN MILE MARKERS 375 AND 384.
 HIGHWAY 81 IN NEBRASKA BETWEEN MILEMARKERS 110 AND 116.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 4167 9726 4138 9725 4138 9729 4139 9733
      4139 9738 4138 9740 4138 9743 4144 9751
TIME...MOT...LOC 0305Z 209DEG 13KT 4147 9739 

HAIL...1.25IN
WIND...60MPH
 
$$

MILLER

216 
WWUS53 KOAX 230314
SVSOAX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE OMAHA/VALLEY NEBRASKA
1014 PM CDT TUE SEP 22 2015

NEC141-230330-
/O.CON.KOAX.SV.W.0252.000000T0000Z-150923T0330Z/
PLATTE NE-
1014 PM CDT TUE SEP 22 2015

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 1030 PM CDT
FOR SOUTHEASTERN PLATTE COUNTY...

AT 1013 PM CDT...A SEVERE THUNDERSTORM WAS LOCATED ON THE NORTHWEST
SIDE OF COLUMBUS... MOVING NORTHEAST AT 10 MPH. ANOTEHR STORM WAS ON
THE EAST SIDE OF COLUMBUS...ALSO MOVING NORTHEAST. 

HAZARD...60 MPH WIND GUSTS AND QUARTER SIZE HAIL. 

SOURCE...RADAR INDICATED. 

IMPACT...HAIL DAMAGE TO VEHICLES IS EXPECTED. EXPECT WIND DAMAGE TO 
         ROOFS...SIDING AND TREES. 

LOCATIONS IMPACTED INCLUDE...
COLUMBUS...LAKE NORTH BABCOCK CAMPGROUND...SHELL CREEK ELEMENTARY
SCHOOL...COLLEGE VIEW TRAILER PARK...CAMP PAWNEE AND CENTRAL
COMMUNITY COLLEGE.

THIS INCLUDES THE FOLLOWING HIGHWAYS...
 HIGHWAY 30 IN NEBRASKA BETWEEN MILE MARKERS 375 AND 384.
 HIGHWAY 81 IN NEBRASKA BETWEEN MILEMARKERS 110 AND 116.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 4167 9726 4138 9725 4138 9729 4139 9733
      4139 9738 4138 9740 4138 9743 4146 9746
TIME...MOT...LOC 0313Z 221DEG 10KT 4148 9738 

HAIL...1.00IN
WIND...60MPH
 
$$

MILLER

720 
WWUS53 KOAX 230320
SVSOAX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE OMAHA/VALLEY NEBRASKA
1020 PM CDT TUE SEP 22 2015

NEC141-230330-
/O.CON.KOAX.SV.W.0252.000000T0000Z-150923T0330Z/
PLATTE NE-
1020 PM CDT TUE SEP 22 2015

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 1030 PM CDT
FOR SOUTHEASTERN PLATTE COUNTY...

AT 1020 PM CDT...A SEVERE THUNDERSTORM WAS LOCATED 5 MILES EAST OF
PLATTE CENTER...OR 5 MILES NORTH OF COLUMBUS...MOVING NORTH AT 
20 MPH.

HAZARD...60 MPH WIND GUSTS AND QUARTER SIZE HAIL. 

SOURCE...RADAR INDICATED. 

IMPACT...HAIL DAMAGE TO VEHICLES IS EXPECTED. EXPECT WIND DAMAGE TO 
         ROOFS...SIDING AND TREES. 

LOCATIONS IMPACTED INCLUDE...
COLUMBUS...LAKE NORTH BABCOCK CAMPGROUND...SHELL CREEK ELEMENTARY
SCHOOL...COLLEGE VIEW TRAILER PARK AND CENTRAL COMMUNITY COLLEGE.

THIS INCLUDES THE FOLLOWING HIGHWAYS...
 HIGHWAY 30 IN NEBRASKA BETWEEN MILE MARKERS 378 AND 384.
 HIGHWAY 81 IN NEBRASKA NEAR MILEMARKER 113.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 4140 9725 4140 9728 4139 9733 4141 9736
      4143 9740 4149 9743 4167 9726
TIME...MOT...LOC 0320Z 201DEG 16KT 4152 9738 

HAIL...1.00IN
WIND...60MPH
 
$$

MILLER

674 
WWUS53 KOAX 230326
SVSOAX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE OMAHA/VALLEY NEBRASKA
1026 PM CDT TUE SEP 22 2015

NEC141-230334-
/O.EXP.KOAX.SV.W.0252.000000T0000Z-150923T0330Z/
PLATTE NE-
1026 PM CDT TUE SEP 22 2015

...THE SEVERE THUNDERSTORM WARNING FOR SOUTHEASTERN PLATTE COUNTY
WILL EXPIRE AT 1030 PM CDT...
        
THE STORM WHICH PROMPTED THE WARNING WAS MOVING OUT OF THE AREA.
THEREFORE THE WARNING WILL BE ALLOWED TO EXPIRE.

ANOTHER A SEVERE THUNDERSTORM WARNING IS IN EFFECT FARTHER TO THE
NORTH UNTIL 11 PM.

LAT...LON 4140 9725 4140 9728 4139 9733 4141 9736
      4143 9740 4149 9743 4167 9726
TIME...MOT...LOC 0321Z 225DEG 14KT 4152 9738 

$$

MILLER

The office that day

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

Issued	Product	Office	Counties	Lasted
Sep 22, 7:16 PM CDT	Severe Thunderstorm Warning	OAX	Nemaha	31 min
Sep 22, 10:01 PM CDT	Special Weather Statement	OAX	Cedar	29 min
Sep 22, 10:12 PM CDT	Severe Thunderstorm Warning	OAX	Cedar, Knox	48 min
Sep 22, 10:23 PM CDT	Severe Thunderstorm Warning	OAX	Colfax, Platte	37 min
Sep 22, 10:28 PM CDT	Special Weather Statement	OAX	Cuming	32 min
Sep 22, 10:47 PM CDT	Special Weather Statement	OAX	Stanton	43 min
Sep 22, 10:57 PM CDT	Severe Thunderstorm Warning	OAX	Cedar, Knox	48 min
Sep 22, 11:07 PM CDT	Areal Flood Advisory	OAX	Cedar, Knox	3 hr
Sep 22, 11:13 PM CDT	Special Weather Statement	OAX	Wayne	47 min
Sep 22, 11:24 PM CDT	Special Weather Statement	OAX	Cuming, Dodge, Stanton, Wayne	51 min
Sep 22, 11:32 PM CDT	Flash Flood Warning	OAX	Cedar, Knox	4 hr
Sep 22, 11:46 PM CDT	Special Weather Statement	OAX	Cedar	44 min
Sep 22, 11:54 PM CDT	Severe Thunderstorm Warning	OAX	Cedar, Wayne	36 min
Sep 23, 12:30 AM CDT	Flash Flood Warning	OAX	Cedar, Knox	3 hr
Sep 23, 2:26 AM CDT	Flash Flood Warning	OAX	Burt, Cuming, Thurston	3 hr
Sep 23, 4:31 AM CDT	Flash Flood Watch	OAX	Antelope, Burt, Cass, Cedar, Cuming, Douglas and 8 more	28 hr
Sep 23, 4:46 AM CDT	Severe Thunderstorm Warning	OAX	Douglas, Washington	29 min
Sep 23, 7:00 AM CDT	Flash Flood Warning	OAX	Douglas	3 hr
Sep 23, 9:52 AM CDT	Areal Flood Warning	OAX	Douglas	6 hr
Sep 23, 5:53 PM CDT	Special Weather Statement	OAX	Butler	22 min
Sep 23, 6:20 PM CDT	Special Weather Statement	OAX	Johnson	40 min
Sep 23, 6:43 PM CDT	Special Weather Statement	OAX	Cass, Otoe	32 min
Sep 23, 6:47 PM CDT	Special Weather Statement	OAX	Butler	28 min

Nearby

Severe Thunderstorm Warnings in Nebraska, 2015 Every severe thunderstorm warning 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.