Alert archive / Nebraska / Severe Thunderstorm Warnings in 2015
Severe Thunderstorm Warning 248, NWS Omaha, NE
NWS Omaha, NE issued this severe thunderstorm warning at Sep 22, 2015, 1:18 PM CDT for Burt County, Cuming County, Thurston County, Nebraska. It was in force for 42 min. No storm report in the archive falls inside the area while it was in force.
The area
The counties it named.
The facts
- Issued
- Sep 22, 2015, 1:18 PM CDT (18:18 UTC)
- Expired
- Sep 22, 2015, 2:00 PM CDT
- In force
- 42 min
- Issued by
- NWS Omaha, NE
- Area
- Storm-based polygon
- Hail
- 1.5 in
- Wind
- 50.0 mph
Counties Burt County, NE, Cuming County, NE, Thurston County, NE
The radar
The Omaha radar (KOAX), 74 km from the middle of the area, began a volume at 18:18 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.
The nearest sounding before it
Omaha, NE (KOAX), launched 12:00Z, 6.3 hours before the alert went out and 74 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
- 529 J/kg
- Mixed-layer CIN
- -281 J/kg
- Mixed-layer LCL
- 1052 m above ground
- 0-6 km bulk shear
- 34 kt
- 0-1 km storm-relative helicity
- 150 m²/s²
- 0-3 km storm-relative helicity
- 128 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.2
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 Sep 22, 12:41 PM CDT, 37 minutes earlier.
Area forecast discussion, Sep 22, 12:41 PM CDT, 37 minutes before
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</html>Hazardous weather outlook, Sep 22, 5:02 AM CDT, 8 hours 16 minutes before
HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE OMAHA/VALLEY NE 502 AM CDT TUE SEP 22 2015 IAZ043-055-056-069-079-080-090-091-NEZ011-012-015>018-030>034- 042>045-050>053-065>068-078-088>093-230015- MONONA-HARRISON-SHELBY-POTTAWATTAMIE-MILLS-MONTGOMERY-FREMONT- PAGE-KNOX-CEDAR-THURSTON-ANTELOPE-PIERCE-WAYNE-BOONE-MADISON- STANTON-CUMING-BURT-PLATTE-COLFAX-DODGE-WASHINGTON-BUTLER- SAUNDERS-DOUGLAS-SARPY-SEWARD-LANCASTER-CASS-OTOE-SALINE- JEFFERSON-GAGE-JOHNSON-NEMAHA-PAWNEE-RICHARDSON- 501 AM CDT TUE SEP 22 2015 THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF SOUTHWEST IOWA...WEST CENTRAL IOWA...EAST CENTRAL NEBRASKA...NORTHEAST NEBRASKA AND SOUTHEAST NEBRASKA. .DAY ONE...TODAY AND TONIGHT PATCHY DENSE FOG THIS MORNING. SPOTTY NON-SEVERE THUNDERSTORMS POSSIBLE THIS MORNING AND THIS AFTERNOON. SCATTERED THUNDERSTORMS TONIGHT. .DAYS TWO THROUGH SEVEN...WEDNESDAY THROUGH MONDAY A CHANCE OF THUNDERSTORMS...THEN THUNDERSTORMS BECOMING LIKELY WEDNESDAY NIGHT FOR PARTS OF NORTHEAST AND EAST CENTRAL NEBRASKA INTO WESTERN IOWA. A CHANCE OF THUNDERSTORMS THURSDAY...THEN THUNDERSTORMS ENDING THURSDAY NIGHT. .SPOTTER INFORMATION STATEMENT... SPOTTER ACTIVATION WILL NOT BE NEEDED TODAY OR TONIGHT. ZAPOTOCNY
In the hours before
Local storm report, Sep 22, 11:33 AM CDT, 1 hour 45 minutes before
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</html>Local storm report, Sep 22, 11:46 AM CDT, 1 hour 32 minutes before
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</html>Local storm report, Sep 22, 12:28 PM CDT, 50 minutes before
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</html>Local storm report, Sep 22, 12:42 PM CDT, 36 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE OMAHA/VALLEY NE
1242 PM CDT TUE SEP 22 2015
...TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
...DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..
1225 PM HAIL DECATUR 42.01N 96.26W
09/22/2015 E0.75 INCH BURT NE TRAINED SPOTTER
&&
NWS OMAHA/VALLEY NE
IRIS SYSTEMSpecial weather statement, Sep 22, 12:57 PM CDT, 21 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE OMAHA/VALLEY NEBRASKA 1257 PM CDT TUE SEP 22 2015 NEZ015-018-033-034-221845- THURSTON NE-BURT NE-CUMING NE-WAYNE NE- 1257 PM CDT TUE SEP 22 2015 ...SIGNIFICANT WEATHER ADVISORY FOR NORTHEASTERN CUMING... SOUTHWESTERN THURSTON...NORTHWESTERN BURT AND SOUTHEASTERN WAYNE COUNTIES UNTIL 145 PM CDT... AT 1257 PM CDT...DOPPLER RADAR WAS TRACKING A STRONG THUNDERSTORM 4 MILES SOUTH OF PENDER...OR 35 MILES SOUTHWEST OF SIOUX CITY...MOVING EAST AT 20 MPH. DIME SIZE HAIL WILL BE POSSIBLE WITH THIS STORM. LOCATIONS IMPACTED INCLUDE... BANCROFT AND ROSALIE. THIS INCLUDES HIGHWAY 77 IN NEBRASKA BETWEEN MILEMARKERS 150 AND 155. LAT...LON 4205 9690 4211 9687 4204 9640 4194 9642 TIME...MOT...LOC 1757Z 279DEG 16KT 4204 9672 KERN
Special weather statement, Sep 22, 1:12 PM CDT, 6 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE OMAHA/VALLEY NEBRASKA 112 PM CDT TUE SEP 22 2015 IAZ043-055-NEZ015-034-221900- HARRISON IA-MONONA IA-THURSTON NE-BURT NE- 112 PM CDT TUE SEP 22 2015 ...SIGNIFICANT WEATHER ADVISORY FOR SOUTHWESTERN MONONA... NORTHWESTERN HARRISON...SOUTHEASTERN THURSTON AND NORTHEASTERN BURT COUNTIES UNTIL 200 PM CDT... AT 112 PM CDT...DOPPLER RADAR WAS TRACKING A STRONG THUNDERSTORM 5 MILES SOUTHWEST OF DECATUR...OR 38 MILES SOUTH OF SIOUX CITY...MOVING EAST AT 15 MPH. DIME SIZE HAIL WILL BE POSSIBLE WITH THIS STORM. LOCATIONS IMPACTED INCLUDE... DECATUR...BLENCOE AND PELICAN POINT STATE RECREATION AREA. THIS INCLUDES THE FOLLOWING HIGHWAYS... HIGHWAY 75 IN NEBRASKA BETWEEN MILE MARKERS 138 AND 150. INTERSTATE 29 BETWEEN MILE MARKERS 97 AND 109. LAT...LON 4188 9640 4205 9635 4199 9596 4181 9606 TIME...MOT...LOC 1812Z 292DEG 14KT 4194 9631 KERN
The office that day
Everything else NWS Omaha, NE issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Sep 22, 8:40 AM CDT | Special Weather Statement | OAX | Pierce | 35 min |
| Sep 22, 9:12 AM CDT | Severe Thunderstorm Warning | OAX | Pierce, Wayne | 33 min |
| Sep 22, 9:48 AM CDT | Special Weather Statement | OAX | Stanton | 42 min |
| Sep 22, 9:52 AM CDT | Severe Thunderstorm Warning | OAX | Madison, Stanton, Wayne | 23 min |
| Sep 22, 10:14 AM CDT | Severe Thunderstorm Warning | OAX | Stanton, Wayne | 31 min |
| Sep 22, 10:22 AM CDT | Severe Thunderstorm Warning | OAX | Stanton, Wayne | 12 min |
| Sep 22, 10:45 AM CDT | Severe Thunderstorm Warning | OAX | Cuming, Stanton | 35 min |
| Sep 22, 11:05 AM CDT | Severe Thunderstorm Warning | OAX | Cuming | 25 min |
| Sep 22, 11:29 AM CDT | Severe Thunderstorm Warning | OAX | Burt, Cuming, Thurston | 46 min |
| Sep 22, 12:12 PM CDT | Severe Thunderstorm Warning | OAX | Burt, Thurston | 48 min |
| Sep 22, 12:57 PM CDT | Special Weather Statement | OAX | Cuming | 48 min |
| Sep 22, 1:12 PM CDT | Special Weather Statement | OAX | Burt | 48 min |
| Sep 22, 1:39 PM CDT | Severe Thunderstorm Warning | OAX | Burt | 27 min |
| Sep 22, 3:45 PM CDT | Special Weather Statement | OAX | Cass | 30 min |
| Sep 22, 4:12 PM CDT | Special Weather Statement | OAX | Douglas, Washington | 48 min |
| Sep 22, 4:34 PM CDT | Special Weather Statement | OAX | Douglas | 41 min |
| Sep 22, 6:58 PM CDT | Special Weather Statement | OAX | Nemaha | 47 min |
| Sep 22, 12:54 PM CDT | Severe Thunderstorm Warning | OAX | Harrison, Monona | 36 min |
| Sep 22, 2:10 PM CDT | Special Weather Statement | OAX | Harrison | 50 min |
| Sep 22, 2:51 PM CDT | Special Weather Statement | OAX | Shelby | 39 min |
| Sep 22, 3:20 PM CDT | Severe Thunderstorm Warning | OAX | Shelby | 25 min |
| Sep 22, 6:09 PM CDT | Special Weather Statement | OAX | Montgomery | 36 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.