Alert archive / Iowa / Severe Thunderstorm Warnings in 2013
Severe Thunderstorm Warning 42, NWS Omaha, NE
NWS Omaha, NE issued this severe thunderstorm warning at May 19, 2013, 1:03 AM CDT for 6 counties in Iowa. It was in force for 27 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 19, 2013, 1:03 AM CDT (06:03 UTC)
- Expired
- May 19, 2013, 1:30 AM CDT
- In force
- 27 min
- Issued by
- NWS Omaha, NE
- Area
- Storm-based polygon
- Hail
- 0.75 in
- Wind
- 60.0 mph
Counties Fremont County, IA, Mills County, IA, Montgomery County, IA, Page County, IA, Pottawattamie County, IA, Shelby County, IA
The radar
The Omaha radar (KOAX), 85 km from the middle of the area, began a volume at 06:02 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 |
|---|---|---|---|
| May 18, 9:26 PM CDT | Severe Thunderstorm Watch | SPC | 5 hr |
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 19, 12:32 AM CDT, 31 minutes earlier.
Area forecast discussion, May 19, 12:32 AM CDT, 31 minutes before
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</html>Hazardous weather outlook, May 18, 5:53 PM CDT, 7 hours 10 minutes before
HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE OMAHA/VALLEY NE 553 PM CDT SAT MAY 18 2013 IAZ043-055-056-069-079-080-090-091-NEZ011-012-015>018-030>034- 042>045-050>053-065>068-078-088>093-191300- 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- 553 PM CDT SAT MAY 18 2013 THIS HAZARDOUS WEATHER OUTLOOK IS FOR PARTS OF EASTERN NEBRASKA AND WESTERN IOWA. .DAY ONE...TONIGHT AND SUNDAY SCATTERED THUNDERSTORMS ARE EXPECTED TONIGHT...AND SEVERE STORMS ARE POSSIBLE. LARGE HAIL AND DAMAGING WINDS ALONG WITH LOCALLY HEAVY RAIN WILL BE THE PRIMARY HAZARDS. A LARGE UPPER LEVEL SYSTEM HAS COMBINED WITH STRONG SHEAR AND INSTABILITY TO CREATE SCATTERED THUNDERSTORMS...A FEW SEVERE...FROM WESTERN NEBRASKA INTO NORTHWEST KANSAS SATURDAY AFTERNOON. THIS ACTIVITY WILL SPREAD NORTHEAST TONIGHT AS THE UPPER SYSTEM MOVES SLOWLY EAST AND A LOW LEVEL JET STRENGTHENS OVER THE REGION. ALTHOUGH WIND SHEAR IS FORECAST TO BE LESS OVER EASTERN NEBRASKA AND SOUTHWEST IOWA THAN LOCATIONS TO THE WEST...AND SURFACE BASED INSTABILITY SHOULD WEAKEN...CONDITIONS REMAIN FAVORABLE ENOUGH SO THAT STORMS THAT MOVE OR DEVELOP INTO THE REGION COULD BE SEVERE. AFTER A POSSIBLE LULL IN THE ACTIVITY SUNDAY MORNING...ADDITIONAL THUNDERSTORMS SHOULD DEVELOP SUNDAY AFTERNOON AS THE UPPER SYSTEM CONTINUES MOVING EAST. THE HIGHEST INSTABILITY AND WIND SHEAR SUNDAY AFTERNOON AND EVENING IS EXPECTED TO EXTEND FROM SOUTHEAST NEBRASKA AND SOUTHWEST IOWA TO POINTS SOUTH. ALTHOUGH THE GREATEST CONCENTRATION OF SEVERE WEATHER SUNDAY COULD BE ACROSS THAT AREA...SEVERE STORMS ARE POSSIBLE OVER ALL OF EASTERN NEBRASKA AND WESTERN IOWA DUE TO THE STRENGTH OF THE UPPER SYSTEM AND AT LEAST MODEST INSTABILITY EXPECTED OVER MUCH OF THE AREA. VERY LARGE HAIL AND DAMAGING WINDS ARE AMONG THE HAZARDS ON SUNDAY. WITH A POSSIBLE DRY-LINE OR WARM FRONT IN SOUTHEAST NEBRASKA AND SOUTHWEST IOWA...ISOLATED TORNADOES ARE POSSIBLE AS WELL. .DAYS TWO THROUGH SEVEN...SUNDAY NIGHT THROUGH SATURDAY THE SEVERE WEATHER THREAT OVER THE AREA SHOULD SHIFT TO FAR SOUTHEAST NEBRASKA AND SOUTHWEST IOWA SUNDAY EVENING BEFORE MOVING OUT OF THE REGION SUNDAY NIGHT. WITH THE UPPER LEVEL SYSTEM CLOSING OFF AND STALLING OVER THE PLAINS...ISOLATED THUNDERSTORMS REMAIN POSSIBLE THEN MONDAY AND TUESDAY...MAINLY WITH AFTERNOON HEATING. ISOLATED STORMS COULD BE SEVERE MONDAY AFTERNOON IF ENOUGH LOW LEVEL MOISTURE AND INSTABILITY CAN LAG BENEATH THE COOLING UPPER LEVEL SYSTEM. .SPOTTER INFORMATION STATEMENT... ALTHOUGH STORM SPOTTER ACTIVITY MAY BE REQUIRED LATE THIS EVENING...SPOTTERS WILL MORE LIKELY BE NEEDED SUNDAY AFTERNOON AND EVENING. CHERMOK
In the hours before
Local storm report, May 18, 11:36 PM CDT, 1 hour 27 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE OMAHA/VALLEY NEBRASKA
1136 PM CDT SAT MAY 18 2013
..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..
1133 PM HAIL JANSEN 40.19N 97.08W
05/18/2013 E1.00 INCH JEFFERSON NE EMERGENCY MNGR
&&
PEARSONSpecial weather statement, May 18, 11:42 PM CDT, 1 hour 21 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE OMAHA/VALLEY NEBRASKA
1142 PM CDT SAT MAY 18 2013
NEZ089>093-190515-
RICHARDSON NE-JOHNSON NE-GAGE NE-NEMAHA NE-PAWNEE NE-
1142 PM CDT SAT MAY 18 2013
...SIGNIFICANT WEATHER ADVISORY FOR RICHARDSON...JOHNSON...CENTRAL
GAGE...NEMAHA AND PAWNEE COUNTIES UNTIL 1215 AM CDT...
AT 1138 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR WAS TRACKING
A LINE OF STRONG THUNDERSTORMS ALONG A LINE EXTENDING FROM BEATRICE
TO BERN...OR ALONG A LINE EXTENDING FROM 29 MILES NORTH OF MARYSVILLE
TO 21 MILES WEST OF FALLS CITY...AND MOVING NORTHEAST AT 60 MPH.
WIND GUSTS UP TO 50 MPH WILL BE POSSIBLE WITH THESE STORMS.
LOCATIONS IMPACTED INCLUDE...
FALLS CITY...AUBURN...TECUMSEH...WYMORE...PAWNEE CITY...HUMBOLDT...
PERU...STERLING...ADAMS...BLUE SPRINGS...COOK...JOHNSON...TABLE
ROCK...SHUBERT...VERDON...STELLA...RULO...DAWSON...NEMAHA AND FILLEY.
LAT...LON 4017 9680 4052 9655 4052 9567 4051 9569
4047 9569 4046 9564 4042 9566 4034 9562
4031 9565 4030 9557 4026 9555 4023 9547
4018 9548 4012 9540 4004 9542 4000 9531
4000 9636
TIME...MOT...LOC 0438Z 234DEG 51KT 4026 9671 3997 9598
MAYESLocal storm report, May 19, 12:00 AM CDT, 1 hour 3 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE OMAHA/VALLEY NEBRASKA
1200 AM CDT SUN MAY 19 2013
..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..
1140 PM TSTM WND DMG 6 S BEATRICE 40.18N 96.75W
05/18/2013 GAGE NE LAW ENFORCEMENT
ROOF TAKEN OFF OF A SHED ALONG HWY 77.
&&
J-E.KLISHSpecial weather statement, May 19, 12:24 AM CDT, 39 minutes before
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</html>The office that day
Everything else NWS Omaha, NE issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 18, 9:31 PM CDT | Special Weather Statement | OAX | Butler, Seward | 29 min |
| May 18, 10:05 PM CDT | Special Weather Statement | OAX | Butler, Lancaster, Saunders, Seward | 25 min |
| May 18, 10:08 PM CDT | Special Weather Statement | OAX | Antelope, Colfax, Madison, Pierce, Platte, Stanton and 1 more | 37 min |
| May 18, 10:11 PM CDT | Special Weather Statement | OAX | Antelope | 49 min |
| May 18, 10:38 PM CDT | Special Weather Statement | OAX | Knox, Pierce | 52 min |
| May 18, 11:03 PM CDT | Severe Thunderstorm Warning | OAX | Gage, Jefferson | 42 min |
| May 18, 11:38 PM CDT | Severe Thunderstorm Warning | OAX | Gage, Jefferson, Lancaster, Saline | 52 min |
| May 18, 11:42 PM CDT | Special Weather Statement | OAX | Gage, Johnson, Nemaha, Pawnee, Richardson | 33 min |
| May 18, 11:50 PM CDT | Severe Thunderstorm Warning | OAX | Gage, Johnson, Nemaha, Pawnee, Richardson | 25 min |
| May 19, 12:15 AM CDT | Severe Thunderstorm Warning | OAX | Cass, Johnson, Lancaster, Nemaha, Otoe, Richardson | 45 min |
| May 19, 12:24 AM CDT | Special Weather Statement | OAX | Douglas, Washington | 36 min |
| May 19, 12:54 AM CDT | Special Weather Statement | OAX | Cass, Sarpy | 51 min |
| May 19, 2:08 PM CDT | Severe Thunderstorm Warning | OAX | Gage, Johnson, Pawnee | 37 min |
| May 19, 2:43 PM CDT | Severe Thunderstorm Warning | OAX | Johnson, Nemaha, Otoe, Pawnee | 32 min |
| May 19, 3:14 PM CDT | Severe Thunderstorm Warning | OAX | Cass, Sarpy | 31 min |
| May 19, 3:17 PM CDT | Severe Thunderstorm Warning | OAX | Cass, Nemaha, Otoe | 28 min |
| May 19, 3:46 PM CDT | Severe Thunderstorm Warning | OAX | Sarpy | 44 min |
| May 19, 3:48 PM CDT | Severe Thunderstorm Warning | OAX | Johnson, Nemaha, Pawnee, Richardson | 27 min |
| May 19, 4:05 PM CDT | Severe Thunderstorm Warning | OAX | Lancaster | 25 min |
| May 19, 4:14 PM CDT | Severe Thunderstorm Warning | OAX | Nemaha, Pawnee, Richardson | 46 min |
| May 19, 5:06 PM CDT | Special Weather Statement | OAX | Antelope, Boone, Madison, Pierce, Platte | 54 min |
| May 19, 5:21 PM CDT | Severe Thunderstorm Warning | OAX | Antelope, Boone | 24 min |
| May 19, 5:23 PM CDT | Special Weather Statement | OAX | Johnson, Nemaha, Pawnee | 67 min |
| May 19, 6:01 PM CDT | Special Weather Statement | OAX | Platte | 44 min |
| May 19, 6:51 PM CDT | Severe Thunderstorm Warning | OAX | Platte | 24 min |
| May 19, 6:53 PM CDT | Special Weather Statement | OAX | Knox, Madison, Pierce | 37 min |
| May 19, 4:17 PM CDT | Severe Thunderstorm Warning | OAX | Harrison, Monona, Pottawattamie, Shelby | 28 min |
| May 19, 4:25 PM CDT | Severe Thunderstorm Warning | OAX | Fremont, Mills, Montgomery, Page | 50 min |
| May 19, 5:12 PM CDT | Severe Thunderstorm Warning | OAX | Fremont, Montgomery, Page | 48 min |
Nearby
Severe Thunderstorm Warnings in Iowa, 2013Every severe thunderstorm warning in 2013
Sources
The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; radar from the NEXRAD Level II archive.