Alert archive / Nebraska / Flash Flood Warnings in 2010

Flash Flood Warning 25, NWS Omaha, NE

August 2, 2010Pierce County, Nebraska

NWS Omaha, NE issued this flash flood warning at Aug 2, 2010, 3:37 AM CDT for Pierce County, Nebraska. It was in force for 5 hr. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued: Aug 2, 2010, 3:37 AM CDT (08:37 UTC)
Expired: Aug 2, 2010, 8:30 AM CDT
In force: 5 hr
Issued by: NWS Omaha, NE
Area: Storm-based polygon
Flood severity: None

County Pierce County, NE

The radar

The Omaha radar (KOAX), 147 km from the middle of the area, began a volume at 08:38 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.

What forecasters said that day

The local office's own words before this flash 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 flash flood warning went out at Aug 2, 2:14 AM CDT, 1 hour 23 minutes earlier.

Area forecast discussion, Aug 2, 2:14 AM CDT, 1 hour 23 minutes before

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Hazardous weather outlook, Aug 1, 5:11 PM CDT, 10 hours 26 minutes before

HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE OMAHA/VALLEY NE
511 PM CDT SUN AUG 1 2010

IAZ043-055-056-069-079-080-090-091-NEZ011-012-015>018-030>034-
042>045-050>053-065>068-078-088>093-021215-
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-
511 PM CDT SUN AUG 1 2010

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

.DAY ONE...TONIGHT AND MONDAY

THERE IS A CHANCE FOR THUNDERSTORMS TONIGHT ACROSS THE OUTLOOK
AREA...ESPECIALLY ACROSS NORTHEAST NEBRASKA. WHILE WIDESPREAD
SEVERE STORMS ARE NOT EXPECTED...SOME OF THE STORMS COULD PRODUCE
HEAVY RAINFALL. LINGERING STORMS COULD OCCUR MONDAY MORNING...WITH
ADDITIONAL THUNDERSTORMS MONDAY AFTERNOON AS A FRONT PUSHES INTO
THE REGION...WITH CHANCE OF SEVERE STORMS DURING THIS TIME.

MINOR FLOODING WILL CONTINUE ALONG THE MISSOURI RIVER DOWNSTREAM
FROM PLATTSMOUTH THROUGH RULO.

IN ADDITION...ANOTHER VERY HOT DAY IS IN STORE MONDAY FOR MOST OF
THE AREA WITH TEMPERATURES CLIMBING INTO THE MID TO UPPER 90S.
WHEN COMBINED WITH THE HUMIDITY...HEAT INDEX VALUES WILL EXCEED
100 DEGREES SOUTH OF A LINE FROM ALBION NEBRASKA TO HARLAN
IOWA...AND COULD EVEN APPROACH 105 TO 110 DEGREES ALONG AND SOUTH
OF INTERSTATE 80.

.DAYS TWO THROUGH SEVEN...MONDAY NIGHT THROUGH SUNDAY

THUNDERSTORM CHANCES WILL CONTINUE MONDAY NIGHT AS A FRONT SETTLES
SOUTHWARD...ESPECIALLY FOR AREAS NORTH OF INTERSTATE 80.
ADDITIONAL THUNDERSTORMS APPEAR POSSIBLE TUESDAY NIGHT THROUGH
WEDNESDAY NIGHT.

FLOODING IS EXPECTED TO CONTINUE ALONG THE MISSOURI RIVER
DOWNSTREAM FROM NEBRASKA CITY FOR THE NEXT SEVERAL DAYS.

.SPOTTER INFORMATION STATEMENT...

STORM SPOTTER ACTIVATION SHOULD NOT BE NEEDED TONIGHT...BUT MAY BE
NEEDED MONDAY AFTERNOON AND EVENING.

In the hours before

Special weather statement, Aug 2, 12:20 AM CDT, 3 hours 17 minutes before

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Special weather statement, Aug 2, 12:40 AM CDT, 2 hours 57 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
Aug 2, 2:23 AM CDT	Heat Advisory	OAX	Butler, Cass, Douglas, Gage, Jefferson, Johnson and 9 more	19 hr
Aug 2, 5:10 AM CDT	Flash Flood Warning	OAX	Burt, Cuming, Madison, Stanton, Thurston, Wayne	5 hr
Aug 2, 4:07 PM CDT	Areal Flood Advisory	OAX	Cass	24 hr
Aug 2, 4:11 PM CDT	River Flood Advisory	OAX	Cass, Douglas, Sarpy	7 days
Aug 2, 4:51 PM CDT	River Flood Warning	OAX	Cuming	3 hr
Aug 2, 9:32 AM CDT	River Flood Warning	OAX	Monona	12 hr

Nearby

Flash Flood Warnings in Nebraska, 2010 Every flash flood warning in 2010

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.