Alert archive / Iowa / Severe Thunderstorm Warnings in 2014
Severe Thunderstorm Warning 135, NWS Omaha, NE
NWS Omaha, NE issued this severe thunderstorm warning at Jun 5, 2014, 4:14 PM CDT for Monona County, Iowa. 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 counties it named.
The facts
- Issued
- Jun 5, 2014, 4:14 PM CDT (21:14 UTC)
- Expired
- Jun 5, 2014, 5:00 PM CDT
- In force
- 46 min
- Issued by
- NWS Omaha, NE
- Area
- Storm-based polygon
- Hail
- 1.75 in
- Wind
- 60.0 mph
County Monona County, IA
The radar
The Omaha radar (KOAX), 88 km from the middle of the area, began a volume at 21:15 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, 9.2 hours before the alert went out and 88 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
- 446 J/kg
- Mixed-layer CIN
- -29 J/kg
- Mixed-layer LCL
- 593 m above ground
- 0-6 km bulk shear
- 36 kt
- 0-1 km storm-relative helicity
- -13 m²/s²
- 0-3 km storm-relative helicity
- 51 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
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 Jun 5, 3:22 PM CDT, 52 minutes earlier.
Area forecast discussion, Jun 5, 3:22 PM CDT, 52 minutes before
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</html>Hazardous weather outlook, Jun 5, 11:04 AM CDT, 5 hours 10 minutes before
HAZARDOUS WEATHER OUTLOOK...UPDATED NATIONAL WEATHER SERVICE OMAHA/VALLEY NE 1104 AM CDT THU JUN 5 2014 IAZ043-055-056-069-079-080-090-091-NEZ011-012-015>018-030>034- 042>045-050>053-065>068-078-088>093-060615- 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- 1104 AM CDT THU JUN 5 2014 THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF SOUTHWEST IOWA...WEST CENTRAL IOWA...EAST CENTRAL NEBRASKA...NORTHEAST NEBRASKA AND SOUTHEAST NEBRASKA. .DAY ONE...THIS AFTERNOON AND TONIGHT THERE IS A SMALL CHANCE FOR THUNDERSTORM DEVELOPMENT THIS AFTERNOON. SEVERE STORMS THOUGH ARE NOT ANTICIPATED. .DAYS TWO THROUGH SEVEN...FRIDAY THROUGH WEDNESDAY THUNDERSTORMS ARE POSSIBLE ON FRIDAY NIGHT AND SATURDAY AS A STORM SYSTEM PASSES JUST TO THE SOUTH OF NEBRASKA AND IOWA. WHILE THE CHANCE FOR WIDESPREAD SEVERE STORMS IS LOW...SOME STORMS IN SOUTHEAST NEBRASKA AND SOUTHWEST IOWA COULD BE STRONG TO SEVERE WITH LARGE HAIL. OTHERWISE SEVERAL DISTURBANCES MOVING THROUGH THE PLAINS WILL BRING OFF AND ON STORM CHANCES THROUGH THE MIDDLE OF NEXT WEEK. .SPOTTER INFORMATION STATEMENT... SPOTTER ACTIVATION WILL NOT BE NEEDED TODAY OR TONIGHT.
In the hours before
Local storm report, Jun 5, 3:04 PM CDT, 1 hour 10 minutes before
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</html>Special weather statement, Jun 5, 3:14 PM CDT, 1 hour before
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</html>Local storm report, Jun 5, 3:42 PM CDT, 32 minutes before
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</html>Local storm report, Jun 5, 3:53 PM CDT, 21 minutes before
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</html>Local storm report, Jun 5, 3:57 PM CDT, 17 minutes before
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</html>Special weather statement, Jun 5, 4:07 PM CDT, 7 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE OMAHA/VALLEY NEBRASKA 407 PM CDT THU JUN 5 2014 NEZ033-034-052145- BURT NE-CUMING NE- 407 PM CDT THU JUN 5 2014 ...SIGNIFICANT WEATHER ADVISORY FOR CENTRAL BURT AND EASTERN CUMING COUNTIES UNTIL 445 PM CDT... AT 407 PM CDT...DOPPLER RADAR WAS TRACKING A STRONG THUNDERSTORM OVER LYONS...OR 37 MILES SOUTH OF SIOUX CITY...MOVING SOUTHEAST AT 20 MPH. NICKEL SIZE HAIL AND WIND GUSTS UP TO 50 MPH WILL BE POSSIBLE WITH THIS STORM. LOCATIONS IMPACTED INCLUDE... LYONS. PRECAUTIONARY/PREPAREDNESS ACTIONS... THIS STORM MAY INTENSIFY...SO BE CERTAIN TO MONITOR LOCAL RADIO AND TV STATIONS...AS WELL AS LOCAL CABLE TV OUTLETS...FOR ADDITIONAL INFORMATION AND POSSIBLE WARNINGS FROM THE NATIONAL WEATHER SERVICE. TO REPORT SEVERE WEATHER...CONTACT YOUR NEAREST LAW ENFORCEMENT AGENCY. THEY WILL RELAY YOUR REPORT TO THE NATIONAL WEATHER SERVICE OFFICE IN OMAHA. && LAT...LON 4194 9657 4199 9647 4183 9617 4180 9630 TIME...MOT...LOC 2107Z 298DEG 17KT 4196 9650 DEE
The office that day
Everything else NWS Omaha, NE issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 5, 6:29 AM CDT | River Flood Warning | OAX | Saline | 57 hr |
| Jun 5, 2:26 PM CDT | Special Weather Statement | OAX | Thurston | 34 min |
| Jun 5, 2:31 PM CDT | Severe Thunderstorm Warning | OAX | Thurston | 29 min |
| Jun 5, 3:01 PM CDT | Special Weather Statement | OAX | Thurston | 44 min |
| Jun 5, 3:03 PM CDT | Severe Thunderstorm Warning | OAX | Burt, Thurston | 27 min |
| Jun 5, 3:14 PM CDT | Special Weather Statement | OAX | Thurston | 31 min |
| Jun 5, 3:17 PM CDT | Severe Thunderstorm Warning | OAX | Burt, Thurston | 43 min |
| Jun 5, 3:30 PM CDT | Severe Thunderstorm Warning | OAX | Thurston | 45 min |
| Jun 5, 3:57 PM CDT | Severe Thunderstorm Warning | OAX | Burt, Thurston | 33 min |
| Jun 5, 4:07 PM CDT | Special Weather Statement | OAX | Burt | 38 min |
| Jun 5, 4:12 PM CDT | Severe Thunderstorm Warning | OAX | Burt | 33 min |
| Jun 5, 4:20 PM CDT | Special Weather Statement | OAX | Burt | 40 min |
| Jun 5, 4:44 PM CDT | Special Weather Statement | OAX | Burt | 46 min |
| Jun 5, 5:12 PM CDT | Severe Thunderstorm Warning | OAX | Burt, Washington | 38 min |
| Jun 5, 5:36 PM CDT | Special Weather Statement | OAX | Washington | 39 min |
| Jun 5, 6:41 PM CDT | Severe Thunderstorm Warning | OAX | Douglas | 34 min |
| Jun 5, 4:32 PM CDT | Severe Thunderstorm Warning | OAX | Monona | 43 min |
| Jun 5, 4:59 PM CDT | Severe Thunderstorm Warning | OAX | Harrison, Monona | 24 min |
| Jun 5, 5:26 PM CDT | Special Weather Statement | OAX | Harrison | 49 min |
| Jun 5, 5:51 PM CDT | Special Weather Statement | OAX | Harrison | 24 min |
| Jun 5, 5:53 PM CDT | Special Weather Statement | OAX | Harrison | 37 min |
| Jun 5, 6:24 PM CDT | Special Weather Statement | OAX | Pottawattamie | 51 min |
| Jun 5, 6:33 PM CDT | Severe Thunderstorm Warning | OAX | Pottawattamie | 27 min |
Nearby
Severe Thunderstorm Warnings in Iowa, 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.