Alert archive / Nebraska / Severe Thunderstorm Warnings in 2014
Severe Thunderstorm Warning 38, NWS Omaha, NE
NWS Omaha, NE issued this severe thunderstorm warning at May 11, 2014, 12:39 AM CDT for Richardson County, Nebraska. It was in force for 36 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
- May 11, 2014, 12:39 AM CDT (05:39 UTC)
- Expired
- May 11, 2014, 1:15 AM CDT
- In force
- 36 min
- Issued by
- NWS Omaha, NE
- Area
- Storm-based polygon
- Hail
- 1.0 in
- Wind
- 50.0 mph
County Richardson County, NE
The radar
The Topeka radar (KTWX), 133 km from the middle of the area, began a volume at 05:39 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
Topeka, KS (KFOE), launched 00:00Z, 5.7 hours before the alert went out and 125 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
- 17 J/kg
- Mixed-layer CIN
- -153 J/kg
- Mixed-layer LCL
- 2314 m above ground
- 0-6 km bulk shear
- 38 kt
- 0-1 km storm-relative helicity
- 217 m²/s²
- 0-3 km storm-relative helicity
- 239 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 May 10, 11:36 PM CDT, 1 hour 3 minutes earlier.
Area forecast discussion, May 10, 11:36 PM CDT, 1 hour 3 minutes before
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</html>Hazardous weather outlook, May 10, 5:40 PM CDT, 6 hours 59 minutes before
HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE OMAHA/VALLEY NE 540 PM CDT SAT MAY 10 2014 IAZ043-055-056-069-079-080-090-091-NEZ034-044-045-050>053-065>068- 078-088>093-111245- MONONA-HARRISON-SHELBY-POTTAWATTAMIE-MILLS-MONTGOMERY-FREMONT- PAGE-BURT-DODGE-WASHINGTON-BUTLER-SAUNDERS-DOUGLAS-SARPY-SEWARD- LANCASTER-CASS-OTOE-SALINE-JEFFERSON-GAGE-JOHNSON-NEMAHA-PAWNEE- RICHARDSON- 540 PM CDT SAT MAY 10 2014 THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF EASTERN NEBRASKA AND SOUTHWEST IOWA. .DAY ONE...TONIGHT THROUGH SUNDAY EVENING THUNDERSTORMS ARE POSSIBLE LATE TONIGHT...ESPECIALLY SOUTH OF THE PLATTE RIVER IN EASTERN NEBRASKA AND INTERSTATE 80 IN IOWA. AN ISOLATED STORM COULD PRODUCE LARGE HAIL. THE STORMS WOULD BE THE RESULT OF A STRENGTHENING LOW LEVEL JET AIDING A WARM FRONT TO LIFT INTO SOUTHEAST NEBRASKA LATE TONIGHT AS A LARGE UPPER LOW ORGANIZES NEAR THE 4 CORNERS REGION. SEVERE THUNDERSTORMS WITH DAMAGING WINDS AND VERY LARGE HAIL ARE POSSIBLE OVER THE REGION SUNDAY...ESPECIALLY SUNDAY AFTERNOON AND EVENING. STRONG OR LONG-TRACKED TORNADOES ARE ALSO POSSIBLE IF MORNING THUNDERSTORM COVERAGE DECREASES ALLOWING LESS INTERFERENCE TO THE INCREASED INSTABILITY AND WIND SHEAR EXPECTED LATER IN THE DAY. BY AFTERNOON A WARM FRONT WILL LIKELY LIFT INTO EASTERN NEBRASKA AND SOUTHWEST IOWA NEAR OR PERHAPS A LITTLE NORTH OF INTERSTATE 80. A COLD FRONT IS EXPECTED TO EXTEND FROM NORTHEAST INTO SOUTH CENTRAL NEBRASKA. SUPERCELL THUNDERSTORMS COULD DEVELOP ALONG EITHER BOUNDARY WITH THE STRONGEST LIKELY NEAR THE WARM FRONT. IN ADDITION TO THE SEVERE WEATHER THREAT...DEEPER MOISTURE RETURNING THE REGION AND STORMS REPEATEDLY TRACKING ACROSS THE SAME LOCATION COULD BRING AREAS OF HEAVY RAIN. BY SUNDAY EVENING THE STORMS ALONG THE COLD FRONT SHOULD BECOME MORE LINEAR. HOWEVER...HEAVY RAIN IS STILL POSSIBLE ALONG WITH A FEW EMBEDDED SUPERCELL THUNDERSTORMS CAPABLE OF PRODUCING LARGE HAIL AND DAMAGING WINDS. MORE DISCRETE TORNADIC STORMS REMAIN POSSIBLE ALONG THE WARM FRONT...WITH THE MAIN THREAT PROBABLY SHIFTING MORE INTO WESTERN IOWA AND FAR SOUTHEAST NEBRASKA BY LATE EVENING. .DAYS TWO THROUGH SEVEN...LATE SUNDAY NIGHT THROUGH SATURDAY THUNDERSTORMS COULD LINGER ACROSS THE AREA MONDAY AS THE COLD FRONT PRESSES INTO THEN ACROSS WESTERN IOWA AND THE UPPER LEVEL SYSTEM LIFTS ONTO THE NORTHERN PLAINS. LOCALLY HEAVY RAIN AND A FEW STRONG HAIL OR WIND PRODUCING THUNDERSTORMS REMAIN POSSIBLE INTO MONDAY MORNING...GENERALLY IN SOUTHWEST IOWA. .SPOTTER INFORMATION STATEMENT... ALL SPOTTERS ACROSS THE AREA SHOULD BE READY FOR DEPLOYMENT ON SUNDAY...ESPECIALLY IN THE AFTERNOON AND EVENING HOURS. NEZ011-012-015>018-030>033-042-043-111245- KNOX-CEDAR-THURSTON-ANTELOPE-PIERCE-WAYNE-BOONE-MADISON-STANTON- CUMING-PLATTE-COLFAX- 540 PM CDT SAT MAY 10 2014 THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF NORTHEAST NEBRASKA. .DAY ONE...TONIGHT THROUGH SUNDAY EVENING THUNDERSTORMS ARE POSSIBLE LATE TONIGHT BUT ESPECIALLY BY SUNDAY MORNING. AN ISOLATED STORM COULD PRODUCE LARGE HAIL IN THE MORNING...GENERALLY NEAR OR SOUTHEAST OF A COLUMBUS TO TEKAMAH LINE. THE STORMS WOULD BE THE RESULT OF A STRENGTHENING LOW LEVEL JET AIDING A WARM FRONT TO LIFT INTO SOUTHEAST NEBRASKA LATE TONIGHT AS A LARGE UPPER LOW ORGANIZES NEAR THE 4 CORNERS REGION. SEVERE THUNDERSTORMS WITH DAMAGING WINDS AND VERY LARGE HAIL ARE POSSIBLE OVER THE PARTS OF THE REGION SUNDAY...ESPECIALLY SUNDAY AFTERNOON THROUGH EARLY EVENING AGAIN NEAR OR SOUTHEAST OF A COLUMBUS TO TEKAMAH LINE. BY AFTERNOON A WARM FRONT WILL LIKELY LIFT INTO EASTERN NEBRASKA AND SOUTHWEST IOWA NEAR OR PERHAPS A LITTLE NORTH OF INTERSTATE 80. A COLD FRONT IS EXPECTED TO EXTEND FROM NORTHEAST INTO SOUTH CENTRAL NEBRASKA. SUPERCELL THUNDERSTORMS COULD DEVELOP ALONG EITHER BOUNDARY WITH THE STRONGEST LIKELY NEAR THE WARM FRONT SOUTHEAST OF THE REGION. IN ADDITION TO THE SEVERE WEATHER THREAT...DEEPER MOISTURE RETURNING THE REGION AND STORMS REPEATEDLY TRACKING ACROSS THE SAME LOCATION COULD BRING AREAS OF HEAVY RAIN. BY SUNDAY EVENING THE STRONGEST STORMS ALONG THE COLD FRONT SHOULD BE SHIFTING SOUTHEAST OF THE REGION. HOWEVER...LOCALLY HEAVY RAIN REMAINS POSSIBLE. .DAYS TWO THROUGH SEVEN...LATE SUNDAY NIGHT THROUGH SATURDAY THUNDERSTORMS COULD LINGER ACROSS THE AREA MONDAY AS THE COLD FRONT PRESSES INTO THEN ACROSS WESTERN IOWA AND THE UPPER LEVEL SYSTEM LIFTS ONTO THE NORTHERN PLAINS. THE SEVERE WEATHER AND HEAVY RAIN THREAT SHOULD BE EAST OF THE REGION. .SPOTTER INFORMATION STATEMENT... THERE IS A CHANCE THAT SPOTTERS NEAR AND SOUTHEAST OF A COLUMBUS TO TEKAMAH LINE COULD BE NEEDED SUNDAY AFTERNOON THROUGH EARLY SUNDAY EVENING. CHERMOK
In the hours before
Special weather statement, May 11, 12:34 AM CDT, 5 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE OMAHA/VALLEY NEBRASKA
1234 AM CDT SUN MAY 11 2014
NEZ091-093-110615-
RICHARDSON NE-NEMAHA NE-
1234 AM CDT SUN MAY 11 2014
...SIGNIFICANT WEATHER ADVISORY FOR SOUTHEASTERN NEMAHA AND CENTRAL
RICHARDSON COUNTIES UNTIL 115 AM CDT...
AT 1232 AM CDT...DOPPLER RADAR WAS TRACKING A STRONG THUNDERSTORM
NEAR VERDON...OR 7 MILES NORTH OF FALLS CITY...MOVING NORTHEAST AT 40
MPH.
NICKEL SIZE HAIL WILL BE POSSIBLE WITH THIS STORM.
LOCATIONS IMPACTED INCLUDE...
VERDON...SHUBERT...SALEM...BARADA AND INDIAN CAVE STATE PARK.
LAT...LON 4005 9574 4019 9580 4029 9555 4026 9555
4025 9552 4025 9549 4023 9547 4019 9548
4016 9543 4014 9543
TIME...MOT...LOC 0532Z 243DEG 35KT 4017 9564
ZAPOTOCNYThe office that day
Everything else NWS Omaha, NE issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 11, 12:34 AM CDT | Special Weather Statement | OAX | Richardson | 41 min |
| May 11, 3:45 AM CDT | Special Weather Statement | OAX | Saline, Seward | 60 min |
| May 11, 3:55 AM CDT | Severe Thunderstorm Warning | OAX | Gage, Jefferson | 50 min |
| May 11, 4:24 AM CDT | Special Weather Statement | OAX | Lancaster, Otoe | 51 min |
| May 11, 4:46 AM CDT | Special Weather Statement | OAX | Gage, Johnson, Nemaha, Pawnee, Richardson, Saline | 44 min |
| May 11, 7:16 AM CDT | Special Weather Statement | OAX | Butler, Saunders, Seward | 44 min |
| May 11, 7:25 AM CDT | Severe Thunderstorm Warning | OAX | Butler, Lancaster, Saunders, Seward | 50 min |
| May 11, 7:53 AM CDT | Severe Thunderstorm Warning | OAX | Cass, Lancaster, Otoe, Saunders, Seward | 37 min |
| May 11, 8:25 AM CDT | Severe Thunderstorm Warning | OAX | Cass, Sarpy, Saunders | 50 min |
| May 11, 3:05 PM CDT | Flash Flood Watch | OAX | Burt, Butler, Cass, Colfax, Cuming, Dodge and 17 more | 10 hr |
| May 11, 4:28 PM CDT | Special Weather Statement | OAX | Seward | 47 min |
| May 11, 4:49 PM CDT | Severe Thunderstorm Warning | OAX | Saline, Seward | 41 min |
| May 11, 4:53 PM CDT | Tornado Warning | OAX | Saline, Seward | 52 min |
| May 11, 5:28 PM CDT | Severe Thunderstorm Warning | OAX | Butler, Lancaster, Seward | 47 min |
| May 11, 5:40 PM CDT | Tornado Warning | OAX | Lancaster, Seward | 50 min |
| May 11, 6:04 PM CDT | Severe Thunderstorm Warning | OAX | Seward | 26 min |
| May 11, 6:05 PM CDT | Tornado Warning | OAX | Seward | 25 min |
| May 11, 6:08 PM CDT | Severe Thunderstorm Warning | OAX | Butler, Lancaster, Saunders, Seward | 52 min |
| May 11, 6:15 PM CDT | Areal Flood Advisory | OAX | Seward | 2 hr |
| May 11, 6:19 PM CDT | Tornado Warning | OAX | Lancaster, Saunders | 41 min |
| May 11, 6:26 PM CDT | Severe Thunderstorm Warning | OAX | Burt | 34 min |
| May 11, 6:48 PM CDT | Severe Thunderstorm Warning | OAX | Jefferson, Saline | 42 min |
| May 11, 6:49 PM CDT | Flash Flood Warning | OAX | Butler, Lancaster, Saunders, Seward | 3 hr |
| May 11, 6:54 PM CDT | Severe Thunderstorm Warning | OAX | Douglas, Lancaster, Sarpy, Saunders | 51 min |
| May 11, 6:58 PM CDT | Tornado Warning | OAX | Jefferson, Saline | 32 min |
| May 11, 8:29 AM CDT | Special Weather Statement | OAX | Montgomery, Page | 46 min |
Nearby
Severe Thunderstorm Warnings in Nebraska, 2014Every severe thunderstorm warning in 2014
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.