Alert archive / Nebraska / Severe Thunderstorm Warnings in 2015
Severe Thunderstorm Warning 21, NWS Omaha, NE
NWS Omaha, NE issued this severe thunderstorm warning at May 2, 2015, 8:41 PM CDT for Antelope County, Madison County, Pierce County, Nebraska. It was in force for 34 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 2, 2015, 8:41 PM CDT (01:41 UTC)
- Expired
- May 2, 2015, 9:15 PM CDT
- In force
- 34 min
- Issued by
- NWS Omaha, NE
- Area
- Storm-based polygon
- Hail
- 1.0 in
- Wind
- 50.0 mph
Counties Antelope County, NE, Madison County, NE, Pierce County, NE
The radar
The Omaha radar (KOAX), 150 km from the middle of the area, began a volume at 01:44 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 2, 9:00 PM CDT | HAIL 1 | 3 W Tilden, 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, 1.7 hours before the alert went out and 150 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.
- Mixed-layer CAPE
- 610 J/kg
- Mixed-layer CIN
- -167 J/kg
- Mixed-layer LCL
- 1652 m above ground
- 0-6 km bulk shear
- 36 kt
- 0-1 km storm-relative helicity
- 221 m²/s²
- 0-3 km storm-relative helicity
- 530 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
118 WUUS53 KOAX 030141 SVROAX NEC003-119-139-030215- /O.NEW.KOAX.SV.W.0021.150503T0141Z-150503T0215Z/ BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE OMAHA/VALLEY NEBRASKA 841 PM CDT SAT MAY 2 2015 THE NATIONAL WEATHER SERVICE IN OMAHA HAS ISSUED A * SEVERE THUNDERSTORM WARNING FOR... SOUTHEASTERN ANTELOPE COUNTY IN NORTHEASTERN NEBRASKA... NORTHWESTERN MADISON COUNTY IN NORTHEASTERN NEBRASKA... SOUTHWESTERN PIERCE COUNTY IN NORTHEASTERN NEBRASKA... * UNTIL 915 PM CDT * AT 841 PM CDT...A SEVERE THUNDERSTORM WAS LOCATED OVER OAKDALE...OR 29 MILES WEST OF NORFOLK...MOVING EAST AT 20 MPH. HAZARD...QUARTER SIZE HAIL. SOURCE...RADAR INDICATED. IMPACT...DAMAGE TO VEHICLES IS EXPECTED. * LOCATIONS IMPACTED INCLUDE... OAKDALE...MEADOW GROVE AND TILDEN. THIS INCLUDES HIGHWAY 275 IN NEBRASKA BETWEEN MILE MARKERS 48 AND 61. PRECAUTIONARY/PREPAREDNESS ACTIONS... FOR YOUR PROTECTION MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF A BUILDING. && LAT...LON 4207 9803 4217 9769 4193 9766 4198 9804 TIME...MOT...LOC 0141Z 257DEG 19KT 4203 9799 HAIL...1.00IN WIND...<50MPH $$ FOBERT
1 follow-up statement
687 WWUS53 KOAX 030200 SVSOAX SEVERE WEATHER STATEMENT NATIONAL WEATHER SERVICE OMAHA/VALLEY NEBRASKA 900 PM CDT SAT MAY 2 2015 NEC003-119-139-030215- /O.CON.KOAX.SV.W.0021.000000T0000Z-150503T0215Z/ ANTELOPE NE-MADISON NE-PIERCE NE- 900 PM CDT SAT MAY 2 2015 ...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 915 PM CDT FOR SOUTHEASTERN ANTELOPE...NORTHWESTERN MADISON AND SOUTHWESTERN PIERCE COUNTIES... AT 900 PM CDT...A SEVERE THUNDERSTORM WAS LOCATED NEAR OAKDALE...OR 22 MILES WEST OF NORFOLK...MOVING EAST AT 20 MPH. HAZARD...QUARTER SIZE HAIL. SOURCE...RADAR INDICATED. IMPACT...DAMAGE TO VEHICLES IS EXPECTED. LOCATIONS IMPACTED INCLUDE... MEADOW GROVE AND TILDEN. THIS INCLUDES HIGHWAY 275 IN NEBRASKA BETWEEN MILE MARKERS 50 AND 61. PRECAUTIONARY/PREPAREDNESS ACTIONS... FOR YOUR PROTECTION MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF A BUILDING. && LAT...LON 4210 9792 4217 9769 4193 9766 4196 9789 TIME...MOT...LOC 0200Z 257DEG 19KT 4205 9785 HAIL...1.00IN WIND...<50MPH $$ FOBERT
The office that day
Everything else NWS Omaha, NE issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 2, 7:35 PM CDT | Severe Thunderstorm Warning | OAX | Colfax, Dodge | 40 min |
| May 2, 7:49 PM CDT | Special Weather Statement | OAX | Boone | 41 min |
| May 2, 8:38 PM CDT | Special Weather Statement | OAX | Washington | 37 min |
| May 2, 8:55 PM CDT | Special Weather Statement | OAX | Dodge | 35 min |
| May 2, 8:55 PM CDT | Severe Thunderstorm Warning | OAX | Boone | 21 min |
| May 2, 9:07 PM CDT | Severe Thunderstorm Warning | OAX | Dodge, Saunders | 38 min |
| May 2, 9:15 PM CDT | Severe Thunderstorm Warning | OAX | Madison, Pierce | 16 min |
| May 2, 9:17 PM CDT | Severe Thunderstorm Warning | OAX | Colfax, Platte | 17 min |
| May 2, 9:24 PM CDT | Severe Thunderstorm Warning | OAX | Colfax, Cuming, Dodge | 36 min |
| May 2, 10:19 PM CDT | Special Weather Statement | OAX | Burt, Douglas, Washington | 41 min |
| May 2, 10:25 PM CDT | Severe Thunderstorm Warning | OAX | Butler, Colfax, Platte | 35 min |
| May 2, 11:09 PM CDT | Special Weather Statement | OAX | Butler | 51 min |
| May 2, 11:19 PM CDT | Severe Thunderstorm Warning | OAX | Butler, Saunders | 41 min |
| May 2, 11:31 PM CDT | Severe Thunderstorm Warning | OAX | Colfax, Cuming, Dodge, Stanton | 29 min |
| May 3, 12:48 AM CDT | Special Weather Statement | OAX | Burt, Cuming | 42 min |
| May 3, 4:33 PM CDT | Special Weather Statement | OAX | Lancaster | 27 min |
| May 3, 5:11 PM CDT | Special Weather Statement | OAX | Lancaster | 34 min |
| May 3, 5:17 PM CDT | Severe Thunderstorm Warning | OAX | Lancaster | 28 min |
| May 3, 5:44 PM CDT | Severe Thunderstorm Warning | OAX | Lancaster | 31 min |
| May 3, 6:00 PM CDT | Severe Thunderstorm Warning | OAX | Lancaster | 30 min |
| May 3, 6:26 PM CDT | Special Weather Statement | OAX | Cuming | 49 min |
| May 3, 6:29 PM CDT | Severe Thunderstorm Warning | OAX | Lancaster, Otoe | 31 min |
| May 3, 6:35 PM CDT | Severe Thunderstorm Warning | OAX | Cuming, Stanton | 40 min |
| May 3, 6:51 PM CDT | Severe Thunderstorm Warning | OAX | Johnson, Otoe | 39 min |
| May 3, 6:55 PM CDT | Severe Thunderstorm Warning | OAX | Cass, Lancaster, Otoe | 50 min |
Nearby
Severe Thunderstorm Warnings in Nebraska, 2015Every 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.