Alert archive / Nebraska / River Flood Warnings in 2008

River Flood Warning 76, NWS Omaha, NE

June 12, 2008Sarpy County, Nebraska

NWS Omaha, NE issued this river flood warning at Jun 12, 2008, 2:24 AM CDT for Sarpy County, Nebraska. It took effect at Jun 12, 2008, 5:40 AM CDT. It was in force for 15 hr.

The area

The counties it named.

The facts

Issued: Jun 12, 2008, 2:24 AM CDT (07:24 UTC)
In effect from: Jun 12, 2008, 5:40 AM CDT
Expired: Jun 12, 2008, 8:41 PM CDT
In force: 15 hr
Issued by: NWS Omaha, NE
Flood severity: Minor

County Sarpy County, NE

The radar

The Omaha radar (KOAX), 31 km from the middle of the area, began a volume at 07:27 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 river

Written for the forecast point Platte River at Louisville (LOUN1). The gauge peaked at 8.88 ft at Jun 12, 2008, 5:00 AM CDT.

Action stage: 8 ft
Minor stage: 9 ft
Moderate stage: 11 ft
Major stage: 12 ft

This gauge today: stage, forecast and historic crests

Stage from the USGS instantaneous record for site 06805500, one reading an hour, from a day before the product to a day after it ended. Flood stages are today's.

What forecasters said that day

The local office's own words before this river flood 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 river flood warning went out at Jun 12, 12:45 AM CDT, 1 hour 39 minutes earlier.

Area forecast discussion, Jun 12, 12:45 AM CDT, 1 hour 39 minutes before

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Hazardous weather outlook, Jun 11, 5:29 PM CDT, 8 hours 55 minutes before

HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE OMAHA/VALLEY NE
529 PM CDT WED JUN 11 2008

IAZ043-055-056-069-079-080-090-091-NEZ015-032>034-042>045-050>053-
065>068-078-088>093-120300-
BURT-BUTLER-CASS-COLFAX-CUMING-DODGE-DOUGLAS-FREMONT IA-GAGE-
HARRISON IA-JEFFERSON-JOHNSON-LANCASTER-MILLS IA-MONONA IA-
MONTGOMERY IA-NEMAHA-OTOE-PAGE IA-PAWNEE-PLATTE-POTTAWATTAMIE IA-
RICHARDSON-SALINE-SARPY-SAUNDERS-SEWARD-SHELBY IA-STANTON-THURSTON-
WASHINGTON-
529 PM CDT WED JUN 11 2008

THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF SOUTHWEST
IOWA...WEST CENTRAL IOWA...EAST CENTRAL NEBRASKA...AND SOUTHEAST
NEBRASKA.

.DAY ONE...TONIGHT AND THURSDAY

TORNADO WATCH IS IN EFFECT UNTIL 10 PM TONIGHT.

FLASH FLOOD WATCH IS IN EFFECT UNTIL THURSDAY MORNING.

THERE IS A MODERATE RISK OF SEVERE THUNDERSTORMS ACROSS MUCH OF THE
OUTLOOK AREA TONIGHT. STORMS WILL BE CAPABLE OF PRODUCING VERY LARGE
HAIL...DAMAGING WINDS AS WELL AS POSSIBLE TORNADOES. ALSO...THERE IS
A HIGH POTENTIAL FOR HEAVY RAINFALL THROUGH THURSDAY MORNING.

A COLD FRONT MOVING ACROSS THE OUTLOOK AREA WILL WILL BE THE
FOCUS FOR THUNDERSTORM DEVELOPMENT THIS EVENING. AMPLE MOISTURE...
INSTABILITY AND SHEAR WILL INCREASE THE POTENTIAL FOR TORNADIC
THUNDERSTORMS...MAINLY ALONG AND SOUTH OF THE INTERSTATE 80
CORRIDOR. HOWEVER...AN ISOLATED TORNADO OR TWO CANNOT BE RULED OUT
THIS EVENING IN CENTRAL NEBRASKA AND WEST CENTRAL IOWA. ALSO...HEAVY
RAINFALL WILL MAKE FLASH FLOODING LIKELY TONIGHT OVER A LARGE PORTION
OF THE OUTLOOK AREA.

THIS WILL ONLY EXACERBATE POSSIBLE FLOODING ISSUES ON SEVERAL
RIVERS AND STREAMS...PARTICULARLY OVER SOUTHEAST NEBRASKA AND
SOUTHWEST IOWA. THUS A FLASH FLOOD WATCH IS IN EFFECT FOR THE
AREA UNTIL THURSDAY MORNING.

.DAYS TWO THROUGH SEVEN...THURSDAY NIGHT THROUGH WEDNESDAY

THERE IS A SMALL CHANCE FOR THUNDERSTORMS THURSDAY NIGHT AND
AGAIN SUNDAY MORNING OVER SOUTHEAST NEBRASKA AND SOUTHWEST IOWA.

.SPOTTER INFORMATION STATEMENT...

SPOTTERS SHOULD PREPARE FOR ACTIVATION THIS EVENING. ALSO...ANY
FLASH FLOODING REPORTS WOULD BE APPRECIATED.

NEZ011-012-016>018-030-031-120300-
ANTELOPE-BOONE-CEDAR-KNOX-MADISON-PIERCE-WAYNE-
529 PM CDT WED JUN 11 2008

THIS HAZARDOUS WEATHER OUTLOOK IS FOR NORTHEAST NEBRASKA.

.DAY ONE...TONIGHT AND THURSDAY

NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME.

.DAYS TWO THROUGH SEVEN...THURSDAY NIGHT THROUGH WEDNESDAY

THE PROBABILITY FOR WIDESPREAD HAZARDOUS WEATHER IS LOW.

.SPOTTER INFORMATION STATEMENT...

STORM SPOTTER ACTIVATION IS NOT ANTICIPATED TONIGHT OR THURSDAY.

DEE

In the hours before

Local storm report, Jun 11, 11:11 PM CDT, 3 hours 13 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE OMAHA/VALLEY NEBRASKA
1111 PM CDT WED JUN 11 2008

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

0817 PM     HAIL             OMAHA                   41.26N 96.01W
06/11/2008  E1.00 INCH       DOUGLAS            NE   AMATEUR RADIO

            AT 120 AND W ST

&&

LANDSVORK

Local storm report, Jun 11, 11:20 PM CDT, 3 hours 4 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE OMAHA/VALLEY NEBRASKA
1120 PM CDT WED JUN 11 2008

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

0737 PM     HAIL             DORCHESTER              40.65N 97.11W
06/11/2008  E1.00 INCH       SALINE             NE   TRAINED SPOTTER

&&

LANDSVORK

Local storm report, Jun 12, 12:13 AM CDT, 2 hours 11 minutes before

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Local storm report, Jun 12, 12:15 AM CDT, 2 hours 9 minutes before

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Local storm report, Jun 12, 12:35 AM CDT, 1 hour 49 minutes before

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Local storm report, Jun 12, 1:49 AM CDT, 35 minutes before

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The office that day

Everything else NWS Omaha, NE issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Jun 11, 7:03 PM CDT	Severe Thunderstorm Warning	OAX	Butler, Saline, Saunders, Seward	42 min
Jun 11, 7:13 PM CDT	Tornado Warning	OAX	Cass, Douglas, Sarpy, Saunders	62 min
Jun 11, 7:30 PM CDT	Tornado Warning	OAX	Douglas, Washington	30 min
Jun 11, 7:35 PM CDT	Severe Thunderstorm Warning	OAX	Butler, Lancaster, Saline, Seward	40 min
Jun 11, 7:36 PM CDT	Flash Flood Warning	OAX	Douglas	3 hr
Jun 11, 7:39 PM CDT	Flash Flood Warning	OAX	Lancaster	3 hr
Jun 11, 7:41 PM CDT	Tornado Warning	OAX	Cass, Lancaster, Sarpy, Saunders	34 min
Jun 11, 8:01 PM CDT	Tornado Warning	OAX	Cass, Lancaster, Otoe	44 min
Jun 11, 8:04 PM CDT	Tornado Warning	OAX	Gage, Jefferson, Lancaster, Saline	41 min
Jun 11, 8:09 PM CDT	Flash Flood Warning	OAX	Washington	3 hr
Jun 11, 8:13 PM CDT	Flash Flood Warning	OAX	Cass, Sarpy	3 hr
Jun 11, 8:13 PM CDT	Tornado Warning	OAX	Cass, Douglas, Sarpy	62 min
Jun 11, 8:14 PM CDT	Severe Thunderstorm Warning	OAX	Gage, Lancaster, Saline, Seward	46 min
Jun 11, 8:39 PM CDT	Tornado Warning	OAX	Gage, Jefferson	51 min
Jun 11, 8:43 PM CDT	Tornado Warning	OAX	Gage, Jefferson, Johnson, Lancaster, Otoe, Saline	47 min
Jun 11, 8:46 PM CDT	Flash Flood Warning	OAX	Cass, Lancaster, Otoe	3 hr
Jun 11, 8:53 PM CDT	Flash Flood Warning	OAX	Sarpy	3 hr
Jun 11, 9:06 PM CDT	Tornado Warning	OAX	Otoe	39 min
Jun 11, 9:07 PM CDT	Severe Thunderstorm Warning	OAX	Cass, Sarpy	38 min
Jun 11, 9:10 PM CDT	Severe Thunderstorm Warning	OAX	Lancaster, Saline, Seward	25 min
Jun 11, 9:14 PM CDT	Tornado Warning	OAX	Cass, Otoe	61 min
Jun 11, 9:25 PM CDT	Flash Flood Warning	OAX	Gage, Jefferson, Johnson, Lancaster, Otoe, Saline	3 hr
Jun 11, 10:08 PM CDT	Tornado Warning	OAX	Johnson, Nemaha, Otoe, Pawnee	52 min
Jun 11, 10:13 PM CDT	Flash Flood Warning	OAX	Cass, Otoe	3 hr
Jun 11, 10:33 PM CDT	River Flood Warning	OAX	Douglas	99 min
Jun 11, 10:55 PM CDT	Tornado Warning	OAX	Nemaha	20 min
Jun 11, 11:15 PM CDT	Flash Flood Warning	OAX	Cass, Sarpy	3 hr
Jun 11, 11:29 PM CDT	Flash Flood Warning	OAX	Douglas, Sarpy	4 hr
Jun 11, 11:48 PM CDT	Areal Flood Warning	OAX	Cass, Lancaster, Otoe, Saunders	7 hr
Jun 12, 1:11 AM CDT	River Flood Warning	OAX	Cass	9 hr
Jun 12, 1:45 AM CDT	Areal Flood Warning	OAX	Cass, Otoe	69 hr
Jun 12, 1:58 AM CDT	River Flood Warning	OAX	Cass	9 hr
Jun 12, 1:58 AM CDT	River Flood Warning	OAX	Saunders	31 hr
Jun 12, 2:10 AM CDT	Areal Flood Warning	OAX	Cass, Sarpy	8 hr
Jun 12, 6:53 AM CDT	Areal Flood Warning	OAX	Cass, Saunders	8 hr
Jun 12, 9:19 AM CDT	River Flood Warning	OAX	Richardson	102 min
Jun 12, 9:21 AM CDT	River Flood Warning	OAX	Nemaha	102 min
Jun 12, 3:01 PM CDT	Areal Flood Warning	OAX	Saunders	12 hr
Jun 11, 7:11 PM CDT	Tornado Warning	OAX	Monona	12 min
Jun 11, 7:16 PM CDT	Severe Thunderstorm Warning	OAX	Harrison, Shelby	29 min
Jun 11, 7:37 PM CDT	Severe Thunderstorm Warning	OAX	Harrison, Shelby	38 min
Jun 11, 7:39 PM CDT	Tornado Warning	OAX	Harrison, Shelby	17 min
Jun 11, 7:47 PM CDT	Tornado Warning	OAX	Harrison, Pottawattamie, Shelby	28 min
Jun 11, 8:02 PM CDT	Tornado Warning	OAX	Shelby	28 min
Jun 11, 8:15 PM CDT	Tornado Warning	OAX	Pottawattamie, Shelby	18 min
Jun 11, 9:00 PM CDT	Tornado Warning	OAX	Mills, Montgomery, Pottawattamie	45 min
Jun 11, 9:32 PM CDT	Flash Flood Warning	OAX	Montgomery, Pottawattamie	6 hr
Jun 11, 10:08 PM CDT	Tornado Warning	OAX	Mills, Montgomery, Pottawattamie	37 min
Jun 11, 10:42 PM CDT	River Flood Warning	OAX	Pottawattamie	22 hr
Jun 11, 10:42 PM CDT	River Flood Warning	OAX	Fremont	46 hr
Jun 11, 10:52 PM CDT	River Flood Warning	OAX	Montgomery	45 hr
Jun 11, 11:10 PM CDT	Tornado Warning	OAX	Fremont, Montgomery, Page	50 min
Jun 12, 2:20 AM CDT	River Flood Warning	OAX	Page	28 hr

Nearby

River Flood Warnings in Nebraska, 2008 Every river flood warning in 2008

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; the gauge from the NWS water service and the USGS.