Alert archive / Nebraska / Severe Thunderstorm Warnings in 2005
Severe Thunderstorm Warning 13, NWS Omaha, NE
NWS Omaha, NE issued this severe thunderstorm warning at Apr 11, 2005, 2:14 PM CDT for Lancaster County, Nebraska. It was in force for 46 min. No storm report in the archive falls inside the area while it was in force.
The area
The outline as issued.
The facts
- Issued
- Apr 11, 2005, 2:14 PM CDT (19:14 UTC)
- Expired
- Apr 11, 2005, 3:00 PM CDT
- In force
- 46 min
- Issued by
- NWS Omaha, NE
- Area
- Counties, with a storm outline in the text
County Lancaster County, NE
The radar
The Omaha radar (KOAX), 59 km from the middle of the area, began a volume at 19:16 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.
Did it verify
Not verified. The Iowa Environmental Mesonet's Cow found no qualifying storm report inside this severe thunderstorm warning while it was in force. That is not proof nothing happened: reports are thin where few people live.
Cow counts a report within 15 km of the polygon while the warning was in force: a tornado for a tornado warning; hail of 1 inch or more, a gust of 58 mph or more or wind damage for a severe thunderstorm warning; a flash flood report for a flash flood warning.
The watch it was issued in
The SPC watch in force over the same counties when this warning went out.
| Issued | Product | Office | Lasted |
|---|---|---|---|
| Apr 11, 11:55 AM CDT | Tornado Watch | SPC | 8 hr |
The nearest sounding before it
Omaha, NE (KOAX), launched 12:00Z, 7.2 hours before the alert went out and 59 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
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 1557 m above ground
- 0-6 km bulk shear
- 82 kt
- 0-1 km storm-relative helicity
- 64 m²/s²
- 0-3 km storm-relative helicity
- 51 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
000 WUUS53 KOAX 111915 SVROAX NEC109-112000- /O.NEW.KOAX.SV.W.0013.050411T1914Z-050411T2000Z/ BULLETIN - EAS ACTIVATION REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE OMAHA/VALLEY NEBRASKA 214 PM CDT MON APR 11 2005 THE NATIONAL WEATHER SERVICE IN OMAHA HAS ISSUED A * SEVERE THUNDERSTORM WARNING FOR... LANCASTER COUNTY IN SOUTHEAST NEBRASKA * UNTIL 300 PM CDT * AT 212 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM CAPABLE OF PRODUCING QUARTER SIZE HAIL. THIS STORM WAS LOCATED NEAR RAYMOND...OR ABOUT 10 MILES NORTHWEST OF LINCOLN...AND MOVING NORTHWEST AT 5 MPH. * THE SEVERE THUNDERSTORM WILL BE NEAR... RAYMOND AROUND 220 PM CDT AT 2 PM WEATHER SPOTTERS REPORTED 1 INCH HAIL ON THE NORTHWEST SIDE OF LINCOLN. IF YOU ARE IN THE WARNED AREA...PREPARE FOR DAMAGING WINDS...LARGE HAIL...HEAVY RAIN AND DANGEROUS LIGHTNING. GET INTO A REINFORCED BUILDING. STAY AWAY FROM WINDOWS AND GLASS DOORS. LAT...LON 4085 9690 4086 9673 4105 9678 4104 9691 $$ BOUSTEAD
1 follow-up statement
000 WWUS53 KOAX 111936 SVSOAX SEVERE WEATHER STATEMENT NATIONAL WEATHER SERVICE OMAHA/VALLEY NEBRASKA 236 PM CDT MON APR 11 2005 NEC109-112000- /O.CON.KOAX.SV.W.0013.000000T0000Z-050411T2000Z/ LANCASTER NE- 236 PM CDT MON APR 11 2005 ...A SEVERE THUNDERSTORM WARNING CONTINUES UNTIL 300 PM CDT FOR LANCASTER COUNTY... AT 233 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO INDICATE A SEVERE THUNDERSTORM CAPABLE OF PRODUCING NICKEL SIZE HAIL. THIS STORM WAS LOCATED NEAR RAYMOND...OR ABOUT 14 MILES NORTHWEST OF LINCOLN...MOVING NORTHWEST AT 5 MPH. THE SEVERE THUNDERSTORM WILL BE NEAR... RURAL NORTHWESTERN LANCASTER COUNTY AT 230 PM CDT THIS STORM HAS A HISTORY OF PRODUCING LARGE HAIL. SEEK SHELTER INSIDE A STURDY STRUCTURE AND STAY AWAY FROM WINDOWS LAT...LON 4091 9690 4095 9674 4105 9678 4104 9691 $$ BOUSTEAD
What forecasters said that day
The local office's own words before this severe thunderstorm warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.
NWS Omaha, NE wrote its last area forecast discussion before this severe thunderstorm warning went out at Apr 11, 11:37 AM CDT, 2 hours 37 minutes earlier.
Area forecast discussion, Apr 11, 11:37 AM CDT, 2 hours 37 minutes before
NEZ001>012-015>094-112355-
NEBRASKA GRASSLAND FIRE DANGER STATEMENT
NATIONAL WEATHER SERVICE OMAHA/VALLEY NE
1137 AM CDT MON APR 11 2005
THE GRASSLAND FIRE DANGER INDEX IS EXPECTED TO REACH THE FOLLOWING
CATEGORIES ACROSS THE STATE...
PANHANDLE LOW
NORTH CENTRAL LOW
NORTHEAST LOW
SOUTHWEST LOW
SOUTHEAST LOW
PART OF STATE HIGH TEMP MINIMUM RH WIND
PANHANDLE MID 40S 50 PERCENT 15 TO 20 MPH
NORTH CENTRAL LOWER 40S 70 PERCENT 15 TO 20 MPH
NORTHEAST LOWER 50S 70 PERCENT 10 TO 15 MPH
SOUTHWEST MID 40S 60 PERCENT 15 TO 20 MPH
SOUTHEAST NEAR 70 60 PERCENT 10 TO 15 MPH
LOW FIRE DANGER MEANS...CONTROLLED BURNS CAN BE EXECUTED WITH
REASONABLE SAFETY.
REMEMBER THAT DRIVING THROUGH OR PARKING IN AREAS WITH TALL...DRY
GRASS COULD START A FIRE. USE EXTRA CAUTION WITH THE DISPOSAL
OF SMOKING MATERIALS.Hazardous weather outlook, Apr 11, 9:48 AM CDT, 4 hours 26 minutes before
HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE OMAHA/VALLEY NE 948 AM CDT MON APR 11 2005 IAZ043-055-056-069-079-080-090-091-NEZ011-012-015>018-030>034- 042>045-050>053-065>068-078-088>093-112330- ANTELOPE-BOONE-BURT-BUTLER-CASS-CEDAR-COLFAX-CUMING-DODGE-DOUGLAS- FREMONT IA-GAGE-HARRISON IA-JEFFERSON-JOHNSON-KNOX-LANCASTER-MADISON- MILLS IA-MONONA IA-MONTGOMERY IA-NEMAHA-OTOE-PAGE IA-PAWNEE-PIERCE- PLATTE-POTTAWATTAMIE IA-RICHARDSON-SALINE-SARPY-SAUNDERS-SEWARD- SHELBY IA-STANTON-THURSTON-WASHINGTON-WAYNE- 948 AM CDT MON APR 11 2005 THIS HAZARDOUS WEATHER OUTLOOK IS FOR PARTS OF NORTHEAST NEBRASKA. .DAY ONE...TODAY AND TONIGHT SCATTERED THUNDERSTORMS ARE EXPECTED TO DEVELOP LATE THIS MORNING AND CONTINUE THROUGH THE AFTERNOON HOURS. SOME OF THESE THUNDERSTORMS ARE LIKELY TO BE SEVERE...MAINLY SOUTHEAST OF A LINE FROM DAVID CITY TO TEKAMAH. THE MAIN THREAT FROM THESE THUNDERSTORM ARE LARGE HAIL AND STRONG WINDS. ISOLATED TORNADOES WILL ALSO BE POSSIBLE IN AN AREA FROM NEAR FAIRBURY TO LINCOLN TO NEBRASKA CITY AND LOCATIONS SOUTH. THE THUNDERSTORMS ARE EXPECTED TO WEAKEN THIS EVENING. .DAYS TWO THROUGH SEVEN...TUESDAY THROUGH MONDAY THERE WILL BE A CHANCE OF THUNDERSTORMS FRIDAY NIGHT AND SATURDAY. .SPOTTER INFORMATION STATEMENT... STORM SPOTTER ACTIVATION MAY BE NEEDED FROM LATE THIS MORNING THROUGH THE AFTERNOON HOURS. BOUSTEAD
In the hours before
Local storm report, Apr 11, 10:56 AM CDT, 3 hours 18 minutes before
PRELIMINARY LOCAL STORM REPORT...CORRECTED
NATIONAL WEATHER SERVICE OMAHA/VALLEY NEBRASKA
1056 AM CDT MON APR 11 2005
..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..
0135 AM HAIL VERDIGRE 42.60N 98.04W
04/10/2005 0.88 INCH KNOX NE TRAINED SPOTTER
&&
CHERMOKSpecial weather statement, Apr 11, 12:11 PM CDT, 2 hours 3 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE OMAHA/VALLEY NE 1211 PM CDT MON APR 11 2005 IAZ043-055-056-069-079-080-090-091-NEZ034-044-045-051>053-066>068- 078-088>093-120100- BURT-CASS-DODGE-DOUGLAS-FREMONT IA-GAGE-HARRISON IA-JEFFERSON- JOHNSON-LANCASTER-MILLS IA-MONONA IA-MONTGOMERY IA-NEMAHA-OTOE- PAGE IA-PAWNEE-POTTAWATTAMIE IA-RICHARDSON-SALINE-SARPY-SAUNDERS- SHELBY IA-WASHINGTON- INCLUDING THE CITIES OF...AUBURN...BEATRICE...BELLEVUE...BLAIR... CLARINDA...COUNCIL BLUFFS...CRETE...FAIRBURY...FALLS CITY... FREMONT...GLENWOOD...HARLAN...LINCOLN...LOGAN...LOUISVILLE... NEBRASKA CITY...OMAHA...ONAWA...PAWNEE CITY...RED OAK...SIDNEY... TECUMSEH...TEKAMAH...WAHOO 1211 PM CDT MON APR 11 2005 ...TORNADO WATCH NUMBER 151 HAS BEEN ISSUED UNTIL 8 PM CDT FOR PARTS OF EASTERN NEBRASKA AND SOUTHWEST IOWA... COUNTIES INCLUDED IN THE TORNADO WATCH ARE AS FOLLOWS... IN EASTERN NEBRASKA... BURT...CASS...DODGE...DOUGLAS...GAGE...JEFFERSON...JOHNSON... LANCASTER...NEMAHA...OTOE...PAWNEE...RICHARDSON...SALINE... SARPY...SAUNDERS...WASHINGTON. IN SOUTHWEST IOWA... FREMONT...HARRISON...MILLS...MONONA...MONTGOMERY...PAGE... POTTAWATTAMIE...SHELBY. DERGAN
The office that day
Everything else NWS Omaha, NE issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Apr 11, 1:47 PM CDT | Severe Thunderstorm Warning | OAX | Lancaster | 28 min |
| Apr 11, 1:59 PM CDT | Severe Thunderstorm Warning | OAX | Jefferson, Saline | 46 min |
| Apr 11, 2:39 PM CDT | Tornado Warning | OAX | Saline, Seward | 36 min |
| Apr 11, 2:46 PM CDT | Tornado Warning | OAX | Lancaster | 44 min |
| Apr 11, 3:12 PM CDT | Severe Thunderstorm Warning | OAX | Saunders | 48 min |
| Apr 11, 3:15 PM CDT | Severe Thunderstorm Warning | OAX | Lancaster, Seward | 45 min |
| Apr 11, 3:56 PM CDT | Severe Thunderstorm Warning | OAX | Douglas | 49 min |
| Apr 11, 4:09 PM CDT | Severe Thunderstorm Warning | OAX | Sarpy | 37 min |
| Apr 11, 4:11 PM CDT | Severe Thunderstorm Warning | OAX | Gage, Jefferson | 49 min |
| Apr 11, 4:18 PM CDT | Severe Thunderstorm Warning | OAX | Gage | 42 min |
| Apr 11, 4:41 PM CDT | Severe Thunderstorm Warning | OAX | Cass | 34 min |
Nearby
Severe Thunderstorm Warnings in Nebraska, 2005Every severe thunderstorm warning in 2005
Sources
The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.