Alert archive / Nebraska / Severe Thunderstorm Warnings in 2019
Severe Thunderstorm Warning 87, NWS Omaha, NE
NWS Omaha, NE issued this severe thunderstorm warning at Jun 21, 2019, 6:16 AM CDT for Jefferson County, Saline County, Nebraska. It was in force for 29 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 21, 2019, 6:16 AM CDT (11:16 UTC)
- Expired
- Jun 21, 2019, 6:45 AM CDT
- In force
- 29 min
- Issued by
- NWS Omaha, NE
- Area
- Storm-based polygon
- Hail
- 0.75 in
- Wind
- 60.0 mph
Counties Jefferson County, NE, Saline County, NE
The radar
The Grand Island radar (KUEX), 110 km from the middle of the area, began a volume at 11:20 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 20, 9:44 PM CDT | Severe Thunderstorm Watch | SPC | 9 hr |
| Jun 21, 2:39 AM CDT | Severe Thunderstorm Watch | SPC | 8 hr |
The nearest sounding before it
Omaha, NE (KOAX), launched 00:00Z, 11.3 hours before the alert went out and 126 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
- 1440 J/kg
- Mixed-layer CIN
- -13 J/kg
- Mixed-layer LCL
- 1547 m above ground
- 0-6 km bulk shear
- 53 kt
- 0-1 km storm-relative helicity
- 128 m²/s²
- 0-3 km storm-relative helicity
- 291 m²/s²
- Significant tornado parameter
- 0.8
- Supercell composite
- 13.1
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 21, 4:51 AM CDT, 1 hour 25 minutes earlier.
Area forecast discussion, Jun 21, 4:51 AM CDT, 1 hour 25 minutes before
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</html>Hazardous weather outlook, Jun 21, 5:40 AM CDT, 36 minutes before
Hazardous Weather Outlook National Weather Service Omaha/Valley NE 540 AM CDT Fri Jun 21 2019 IAZ043-055-056-069-079-080-090-091-NEZ011-012-015>018-030>034- 042>045-050>053-065>068-078-088>093-220045- 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- 540 AM CDT Fri Jun 21 2019 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 Isolated severe storms could still occur this morning for southeast Nebraska and southwest Iowa, south of a line from David City in Nebraska to Atlantic in Iowa. Wind gusts up to 60 mph and hail up to quarter size will be possible. A severe thunderstorm watch remains in effect until 10 am for these areas. Otherwise, there is still a slight risk of severe storms this evening in southeast Nebraska and southwest Iowa, and also in northeast Nebraska. The severe threat seems lower along the Interstate 80 corridor. Flooding will continue along the Missouri River from Plattsmouth downstream past Rulo through the coming week, and along the Missouri River above Lewis and Clark Lake. .DAYS TWO THROUGH SEVEN...Saturday through Thursday A slight risk of severe storms will continue across southeast Nebraska and southwest Iowa Saturday evening. Otherwise, additional thunderstorms will be possible Saturday night with locally heavy rain possible. Isolated thunderstorms could linger into Sunday. Flooding will continue along the Missouri River from Plattsmouth downstream past Rulo through the coming week, and along the Missouri River above Lewis and Clark Lake. .SPOTTER INFORMATION STATEMENT... Spotters are encouraged to report any severe weather to the National Weather Service.
In the hours before
Local storm report, Jun 21, 3:47 AM CDT, 2 hours 29 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE OMAHA/VALLEY NE
347 AM CDT FRI JUN 21 2019
..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..
0330 AM HAIL WHITING 42.13N 96.15W
06/21/2019 E1.00 INCH MONONA IA PUBLIC
&&Special weather statement, Jun 21, 4:07 AM CDT, 2 hours 9 minutes before
Special Weather Statement
National Weather Service Omaha/Valley Nebraska
407 AM CDT Fri Jun 21 2019
IAZ079-090-NEZ067-068-210930-
Mills IA-Fremont IA-Cass NE-Otoe NE-
407 AM CDT Fri Jun 21 2019
...SIGNIFICANT WEATHER ADVISORY FOR FREMONT...MILLS...EASTERN OTOE
AND SOUTHEASTERN CASS COUNTIES UNTIL 430 AM CDT...
At 406 AM CDT, Doppler radar was tracking a strong thunderstorm near
Murray, or 27 miles south of Omaha, moving northeast at 50 mph.
Winds in excess of 40 mph will be possible with this storm.
Locations impacted include...
Nebraska City, Plattsmouth, Glenwood, Hamburg, Malvern, Sidney,
Weeping Water, Farragut, Pacific Junction, Murray, Riverton, Avoca,
Talmage, Union, Nehawka, Lorton, Tabor, Thurman, Dunbar and Randolph.
This includes Interstate 29 between mile markers 1 and 32.
A Severe Thunderstorm Watch remains in effect until 1000 AM CDT for
southwestern Iowa...and southeastern Nebraska.
LAT...LON 4059 9576 4058 9578 4056 9576 4054 9577
4052 9596 4052 9604 4094 9616 4112 9553
4061 9537 4058 9537
TIME...MOT...LOC 0906Z 240DEG 42KT 4088 9589
HBSpecial weather statement, Jun 21, 5:01 AM CDT, 1 hour 15 minutes before
Special Weather Statement
National Weather Service Omaha/Valley Nebraska
501 AM CDT Fri Jun 21 2019
IAZ079-080-090-091-211030-
Mills IA-Page IA-Fremont IA-Montgomery IA-
501 AM CDT Fri Jun 21 2019
...SIGNIFICANT WEATHER ADVISORY FOR NORTHEASTERN FREMONT...
MONTGOMERY...EASTERN MILLS AND PAGE COUNTIES UNTIL 530 AM CDT...
At 500 AM CDT, Doppler radar was tracking a strong thunderstorm 5
miles southeast of Essex, or 26 miles north of Tarkio, moving
northeast at 35 mph.
Penny size hail and winds in excess of 40 mph will be possible with
this storm.
Locations impacted include...
Red Oak, Clarinda, Shenandoah, Villisca, Essex, Stanton, Emerson,
Elliott, Coin, College Springs, Shambaugh, Henderson, Braddyville,
Grant, Yorktown, Imogene, Northboro, Coburg, Blanchard and Hepburn.
A Severe Thunderstorm Watch remains in effect until 1000 AM CDT for
southwestern Iowa.
LAT...LON 4058 9538 4116 9550 4116 9493 4073 9493
4073 9491 4057 9492
TIME...MOT...LOC 1000Z 233DEG 30KT 4080 9521
HBThe office that day
Everything else NWS Omaha, NE issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 21, 2:00 AM CDT | Severe Thunderstorm Warning | OAX | Gage, Jefferson, Lancaster, Saline, Seward | 45 min |
| Jun 21, 2:25 AM CDT | Severe Thunderstorm Warning | OAX | Butler, Colfax, Platte, Saunders, Seward | 50 min |
| Jun 21, 2:37 AM CDT | Severe Thunderstorm Warning | OAX | Lancaster, Otoe, Saline, Saunders, Seward | 38 min |
| Jun 21, 2:40 AM CDT | Severe Thunderstorm Warning | OAX | Gage, Jefferson, Johnson, Lancaster, Otoe, Pawnee and 1 more | 50 min |
| Jun 21, 3:13 AM CDT | Severe Thunderstorm Warning | OAX | Cass, Lancaster, Otoe, Saline, Saunders, Seward | 22 min |
| Jun 21, 4:07 AM CDT | Special Weather Statement | OAX | Cass | 23 min |
| Jun 21, 6:43 AM CDT | Severe Thunderstorm Warning | OAX | Gage, Jefferson, Saline | 32 min |
| Jun 21, 6:57 AM CDT | Severe Thunderstorm Warning | OAX | Gage, Jefferson, Johnson, Lancaster, Otoe, Pawnee and 1 more | 33 min |
| Jun 21, 7:17 AM CDT | Severe Thunderstorm Warning | OAX | Cass, Otoe | 28 min |
| Jun 21, 7:20 AM CDT | Severe Thunderstorm Warning | OAX | Gage, Johnson, Nemaha, Otoe, Pawnee, Richardson | 25 min |
| Jun 21, 7:41 AM CDT | Severe Thunderstorm Warning | OAX | Johnson, Nemaha, Otoe, Pawnee, Richardson | 34 min |
| Jun 21, 7:42 AM CDT | Severe Thunderstorm Warning | OAX | Otoe | 33 min |
| Jun 21, 7:56 AM CDT | Areal Flood Advisory | OAX | Johnson, Nemaha, Pawnee, Richardson | 2 hr |
| Jun 21, 8:10 AM CDT | Severe Thunderstorm Warning | OAX | Nemaha, Richardson | 23 min |
| Jun 20, 7:23 PM CDT | Severe Thunderstorm Warning | OAX | Monona | 37 min |
| Jun 20, 7:51 PM CDT | Severe Thunderstorm Warning | OAX | Harrison, Monona | 39 min |
| Jun 21, 5:01 AM CDT | Special Weather Statement | OAX | Montgomery, Page | 29 min |
Nearby
Severe Thunderstorm Warnings in Nebraska, 2019Every severe thunderstorm warning in 2019
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.