Alert archive / Iowa / Severe Thunderstorm Warnings in 2014
Severe Thunderstorm Warning 200, NWS Omaha, NE
NWS Omaha, NE issued this severe thunderstorm warning at Jun 16, 2014, 11:24 PM CDT for Monona County, Iowa. 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
- Jun 16, 2014, 11:24 PM CDT (04:24 UTC)
- Expired
- Jun 17, 2014, 12:00 AM CDT
- In force
- 36 min
- Issued by
- NWS Omaha, NE
- Area
- Storm-based polygon
- Hail
- 0.75 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 04:28 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 watch it was issued in
The SPC watch in force over the same counties when this warning went out.
| Issued | Product | Office | Lasted |
|---|---|---|---|
| Jun 16, 9:56 PM CDT | Severe Thunderstorm Watch | SPC | 5 hr |
The nearest sounding before it
Omaha, NE (KOAX), launched 00:00Z, 4.4 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
- 3563 J/kg
- Mixed-layer CIN
- -14 J/kg
- Mixed-layer LCL
- 1174 m above ground
- 0-6 km bulk shear
- 43 kt
- 0-1 km storm-relative helicity
- 248 m²/s²
- 0-3 km storm-relative helicity
- 362 m²/s²
- Significant tornado parameter
- 4.8
- Supercell composite
- 28.3
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 16, 6:39 PM CDT, 4 hours 45 minutes earlier.
Area forecast discussion, Jun 16, 6:39 PM CDT, 4 hours 45 minutes before
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</html>Hazardous weather outlook, Jun 16, 10:13 PM CDT, 1 hour 11 minutes before
HAZARDOUS WEATHER OUTLOOK...UPDATED NATIONAL WEATHER SERVICE OMAHA/VALLEY NE 1013 PM CDT MON JUN 16 2014 IAZ043-055-056-NEZ015>018-030>034-042>045-170900- MONONA-HARRISON-SHELBY-THURSTON-ANTELOPE-PIERCE-WAYNE-BOONE- MADISON-STANTON-CUMING-BURT-PLATTE-COLFAX-DODGE-WASHINGTON- 1013 PM CDT MON JUN 16 2014 THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF SOUTHWEST IOWA...WEST CENTRAL IOWA...EAST CENTRAL NEBRASKA AND NORTHEAST NEBRASKA. .DAY ONE...TONIGHT AND TUESDAY SEVERE THUNDERSTORM WATCH IN EFFECT UNTIL 4 AM CDT THIS MORNING. AMPLE ENVIRONMENTAL MOISTURE ALONG WITH AN UNSTABLE ENVIRONMENT WILL ALLOW FOR STRONG TO SEVERE THUNDERSTORMS INTO THE EARLY MORNING HOURS. VERY LARGE HAIL AND DAMAGING WINDS ARE THE MAIN THREATS. .DAYS TWO THROUGH SEVEN...TUESDAY NIGHT THROUGH SUNDAY ADDITIONAL THUNDERSTORMS ARE POSSIBLE LATER IN THE WEEK...FROM WEDNESDAY NIGHT THROUGH FRIDAY AS A COUPLE OF WEATHER DISTURBANCES MOVE ONTO THE PLAINS. .SPOTTER INFORMATION STATEMENT... SPOTTER ACTIVATION IS NOT ANTICIPATED. IAZ069-079-080-090-091-NEZ050>053-065>068-078-088>093-170900- POTTAWATTAMIE-MILLS-MONTGOMERY-FREMONT-PAGE-BUTLER-SAUNDERS- DOUGLAS-SARPY-SEWARD-LANCASTER-CASS-OTOE-SALINE-JEFFERSON-GAGE- JOHNSON-NEMAHA-PAWNEE-RICHARDSON- 1013 PM CDT MON JUN 16 2014 THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF SOUTHWEST IOWA...EAST CENTRAL NEBRASKA AND SOUTHEAST NEBRASKA. .DAY ONE...TONIGHT AND TUESDAY STRONG THUNDERSTORMS WILL BE POSSIBLE DURING THE OVERNIGHT HOURS. A FEW STORMS MAY APPROACH SEVERE LIMITS AND BE ACCOMPANIED BY LARGE HAIL AND DAMAGING WINDS. .DAYS TWO THROUGH SEVEN...TUESDAY NIGHT THROUGH SUNDAY ADDITIONAL THUNDERSTORMS ARE POSSIBLE LATER IN THE WEEK...FROM WEDNESDAY NIGHT THROUGH FRIDAY AS A COUPLE OF WEATHER DISTURBANCES MOVE ONTO THE PLAINS. .SPOTTER INFORMATION STATEMENT... SPOTTER ACTIVATION IS NOT ANTICIPATED. NEZ011-012-170900- KNOX-CEDAR- 1013 PM CDT MON JUN 16 2014 THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF NORTHEAST NEBRASKA. .DAY ONE...TONIGHT AND TUESDAY STRONG THUNDERSTORMS WILL BE POSSIBLE DURING THE OVERNIGHT HOURS. A FEW STORMS MAY APPROACH SEVERE LIMITS AND BE ACCOMPANIED BY LARGE HAIL AND DAMAGING WINDS. .DAYS TWO THROUGH SEVEN...TUESDAY NIGHT THROUGH SUNDAY ADDITIONAL THUNDERSTORMS ARE POSSIBLE LATER IN THE WEEK...FROM WEDNESDAY NIGHT THROUGH FRIDAY AS A COUPLE OF WEATHER DISTURBANCES MOVE ONTO THE PLAINS. .SPOTTER INFORMATION STATEMENT... SPOTTER ACTIVATION IS NOT ANTICIPATED.
In the hours before
Special weather statement, Jun 16, 10:26 PM CDT, 58 minutes before
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</html>Special weather statement, Jun 16, 10:50 PM CDT, 34 minutes before
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</html>Local storm report, Jun 16, 10:51 PM CDT, 33 minutes before
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</html>Local storm report, Jun 16, 10:57 PM CDT, 27 minutes before
PRELIMINARY LOCAL STORM REPORT...CORRECTED
NATIONAL WEATHER SERVICE OMAHA/VALLEY NEBRASKA
1057 PM CDT MON JUN 16 2014
..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..
0530 PM HAIL WINNEBAGO 42.24N 96.47W
06/16/2014 E0.88 INCH THURSTON NE TRAINED SPOTTER
LATE REPORT.
&&
LANDSVORKSpecial weather statement, Jun 16, 11:11 PM CDT, 13 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE OMAHA/VALLEY NEBRASKA
1111 PM CDT MON JUN 16 2014
IAZ043-170500-
MONONA IA-
1111 PM CDT MON JUN 16 2014
...SIGNIFICANT WEATHER ADVISORY FOR MONONA AND NORTHEASTERN BURT
COUNTIES UNTIL 1200 AM CDT...
AT 1111 PM CDT...DOPPLER RADAR WAS TRACKING A LINE OF STRONG
THUNDERSTORMS ALONG A LINE EXTENDING FROM 7 MILES NORTHWEST OF
SMITHLAND TO NEAR DECATUR...AND MOVING EAST AT 50 MPH.
WIND GUSTS UP TO 50 MPH WILL BE POSSIBLE WITH THESE STORMS.
LOCATIONS IMPACTED INCLUDE...
ONAWA...WHITING...DECATUR...UTE...MOORHEAD...MAPLETON...BLENCOE...
SOLDIER...CASTANA...TURIN...RODNEY...LEWIS AND CLARK STATE PARK AND
KENNEBEC.
A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 400 AM CDT
TUESDAY MORNING FOR NORTHEAST NEBRASKA.
LAT...LON 4190 9568 4193 9614 4198 9614 4198 9619
4201 9619 4201 9622 4199 9623 4201 9625
4203 9622 4204 9623 4222 9611 4221 9567
4191 9568
TIME...MOT...LOC 0411Z 271DEG 51KT 4232 9599 4201 9620
BOUSTEADSpecial weather statement, Jun 16, 11:19 PM CDT, 5 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE OMAHA/VALLEY NEBRASKA
1119 PM CDT MON JUN 16 2014
NEZ011-012-016>018-170500-
CEDAR NE-ANTELOPE NE-WAYNE NE-PIERCE NE-KNOX NE-
1119 PM CDT MON JUN 16 2014
...SIGNIFICANT WEATHER ADVISORY FOR NORTHWESTERN WAYNE...SOUTHEASTERN
KNOX...NORTHEASTERN ANTELOPE...CEDAR AND NORTHERN PIERCE COUNTIES
UNTIL 1200 AM CDT...
AT 1119 PM CDT...DOPPLER RADAR WAS TRACKING A LINE OF STRONG
THUNDERSTORMS ALONG A LINE EXTENDING FROM 7 MILES NORTHEAST OF
PLAINVIEW TO NEAR CONCORD...AND MOVING EAST AT 40 MPH.
NICKEL SIZE HAIL WILL BE POSSIBLE WITH THESE STORMS.
LOCATIONS IMPACTED INCLUDE...
HARTINGTON...CREIGHTON...RANDOLPH...OSMOND...WAUSA...COLERIDGE...
LAUREL...PLEASANT VALLEY...BELDEN...MAGNET...MCLEAN...SHOLES...CAMP
ASSURANCE AND THE HIGHWAY 81 AND 20 JUNCTION.
THESE STORMS 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.
A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 400 AM CDT
TUESDAY MORNING FOR NORTHEAST NEBRASKA.
LAT...LON 4268 9702 4228 9702 4235 9766 4247 9792
4273 9721
TIME...MOT...LOC 0419Z 256DEG 35KT 4246 9773 4232 9705
BOUSTEADThe office that day
Everything else NWS Omaha, NE issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 16, 7:25 PM CDT | Special Weather Statement | OAX | Knox | 35 min |
| Jun 16, 7:55 PM CDT | Special Weather Statement | OAX | Pierce | 35 min |
| Jun 16, 8:03 PM CDT | Special Weather Statement | OAX | Cedar | 27 min |
| Jun 16, 8:06 PM CDT | Severe Thunderstorm Warning | OAX | Cedar, Knox, Pierce | 39 min |
| Jun 16, 8:23 PM CDT | Severe Thunderstorm Warning | OAX | Cedar | 52 min |
| Jun 16, 8:30 PM CDT | Special Weather Statement | OAX | Antelope | 45 min |
| Jun 16, 8:36 PM CDT | Severe Thunderstorm Warning | OAX | Antelope, Boone | 39 min |
| Jun 16, 9:07 PM CDT | Severe Thunderstorm Warning | OAX | Cedar, Wayne | 38 min |
| Jun 16, 9:20 PM CDT | Severe Thunderstorm Warning | OAX | Antelope, Boone | 25 min |
| Jun 16, 9:30 PM CDT | Special Weather Statement | OAX | Cedar | 15 min |
| Jun 16, 9:33 PM CDT | Special Weather Statement | OAX | Pierce | 27 min |
| Jun 16, 9:46 PM CDT | Special Weather Statement | OAX | Madison | 14 min |
| Jun 16, 10:14 PM CDT | Special Weather Statement | OAX | Cuming | 31 min |
| Jun 16, 10:26 PM CDT | Special Weather Statement | OAX | Thurston | 19 min |
| Jun 16, 10:31 PM CDT | Severe Thunderstorm Warning | OAX | Thurston | 29 min |
| Jun 16, 10:50 PM CDT | Special Weather Statement | OAX | Thurston | 40 min |
| Jun 16, 11:19 PM CDT | Special Weather Statement | OAX | Cedar | 41 min |
| Jun 16, 11:50 PM CDT | Areal Flood Advisory | OAX | Cedar | 115 min |
| Jun 17, 1:06 AM CDT | Flash Flood Warning | OAX | Cedar, Pierce | 4 hr |
| Jun 17, 11:35 AM CDT | River Flood Warning | OAX | Cass | 8 days |
| Jun 17, 3:19 PM CDT | River Flood Advisory | OAX | Douglas, Sarpy | 25 hr |
| Jun 17, 3:19 PM CDT | River Flood Advisory | OAX | Washington | 25 hr |
| Jun 17, 4:24 PM CDT | River Flood Advisory | OAX | Thurston | 25 hr |
| Jun 16, 11:11 PM CDT | Special Weather Statement | OAX | Monona | 49 min |
| Jun 17, 12:02 AM CDT | Special Weather Statement | OAX | Shelby | 43 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.