Alert archive / Nebraska / Flash Flood Warnings in 2010
Flash Flood Warning 15, NWS Omaha, NE
NWS Omaha, NE issued this flash flood warning at Jun 22, 2010, 1:58 AM CDT for Boone County, Platte County, Nebraska. It was in force for 6 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
- Jun 22, 2010, 1:58 AM CDT (06:58 UTC)
- Expired
- Jun 22, 2010, 8:00 AM CDT
- In force
- 6 hr
- Issued by
- NWS Omaha, NE
- Area
- Storm-based polygon
- Flood severity
- None
Counties Boone County, NE, Platte County, NE
The radar
The Omaha radar (KOAX), 124 km from the middle of the area, began a volume at 07:01 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 nearest sounding before it
N. Platte/Lee Bi, NE (KLBF), launched 00:00Z, 7.0 hours before the alert went out and 241 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
- 1261 J/kg
- Mixed-layer CIN
- -241 J/kg
- Mixed-layer LCL
- 1673 m above ground
- 0-6 km bulk shear
- 41 kt
- 0-1 km storm-relative helicity
- 35 m²/s²
- 0-3 km storm-relative helicity
- 121 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 2.2
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 Jun 21, 9:58 PM CDT, 4 hours earlier.
Area forecast discussion, Jun 21, 9:58 PM CDT, 4 hours before
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</html>Hazardous weather outlook, Jun 21, 10:05 PM CDT, 3 hours 53 minutes before
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Local storm report, Jun 21, 8:29 PM CDT, 5 hours 29 minutes before
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SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE OMAHA/VALLEY NEBRASKA 142 AM CDT TUE JUN 22 2010 NEZ017-031-220715- MADISON NE-PIERCE NE- 142 AM CDT TUE JUN 22 2010 ...SPECIAL WEATHER STATEMENT FOR SOUTHERN PIERCE AND MADISON COUNTIES UNTIL 215 AM CDT... AT 137 AM CDT...NATIONAL WEATHER SERVICE METEOROLOGISTS WERE TRACKING A STRONG THUNDERSTORM 8 MILES NORTH OF NEWMAN GROVE...OR 21 MILES SOUTHWEST OF NORFOLK...MOVING NORTHEAST AT 25 MPH. HAIL UP TO THE SIZE OF PENNIES IS EXPECTED WITH THIS STORM...ALONG WITH HEAVY RAIN. LOCATIONS NEAR THE PATH OF THIS STORM INCLUDE... NORFOLK... MEADOW GROVE... BATTLE CREEK... HADAR... PIERCE... TILDEN... WILLOW CREEK STATE RECREATION AREA... TORRENTIAL RAIN...WHICH MAY FLOOD LOW LYING AREAS SUCH AS DITCHES AND UNDERPASSES...IS ALSO LIKELY. DO NOT DRIVE YOUR VEHICLE ON A FLOODED ROADWAY. MAYES
Special weather statement, Jun 22, 1:58 AM CDT, 0 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE OMAHA/VALLEY NEBRASKA 158 AM CDT TUE JUN 22 2010 NEZ031-032-042-043-220730- COLFAX NE-MADISON NE-PLATTE NE-STANTON NE- 158 AM CDT TUE JUN 22 2010 ...SPECIAL WEATHER STATEMENT FOR SOUTHWESTERN STANTON...EASTERN PLATTE...SOUTHEASTERN MADISON AND NORTHERN COLFAX COUNTIES UNTIL 230 AM CDT... AT 156 AM CDT...NATIONAL WEATHER SERVICE METEOROLOGISTS WERE TRACKING A STRONG THUNDERSTORM NEAR CRESTON...OR 14 MILES NORTH OF COLUMBUS... MOVING NORTHEAST AT 25 MPH. HAIL UP TO THE SIZE OF PENNIES AND WIND GUSTS UP TO 50 MPH ARE EXPECTED WITH THIS STORM...ALONG WITH HEAVY RAIN. LOCATIONS NEAR THE PATH OF THIS STORM INCLUDE... CRESTON... MADISON... LEIGH... CLARKSON... 9 MILES NORTH OF SCHUYLER... 8 MILES SOUTH OF STANTON... TORRENTIAL RAIN...WHICH MAY FLOOD LOW LYING AREAS SUCH AS DITCHES AND UNDERPASSES...IS ALSO LIKELY. DO NOT DRIVE YOUR VEHICLE ON A FLOODED ROADWAY. MAYES
The office that day
Everything else NWS Omaha, NE issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 22, 2:15 AM CDT | High Wind Warning | OAX | Butler, Lancaster, Saline, Saunders, Seward | 55 min |
| Jun 22, 9:50 AM CDT | River Flood Warning | OAX | Dodge | 3 days |
| Jun 22, 9:50 AM CDT | River Flood Warning | OAX | Douglas | 24 hr |
| Jun 22, 9:50 AM CDT | River Flood Warning | OAX | Dodge | 38 hr |
| Jun 22, 9:50 AM CDT | River Flood Warning | OAX | Platte | 19 hr |
| Jun 22, 10:04 AM CDT | River Flood Warning | OAX | Gage | 23 hr |
| Jun 22, 12:18 PM CDT | River Flood Warning | OAX | Saunders | 18 hr |
| Jun 22, 12:58 PM CDT | River Flood Advisory | OAX | Dodge | 36 hr |
| Jun 22, 2:59 PM CDT | River Flood Advisory | OAX | Seward | 36 hr |
| Jun 22, 3:53 PM CDT | Flash Flood Watch | OAX | Antelope, Boone, Burt, Butler, Cass, Cedar and 24 more | 12 hr |
| Jun 22, 3:32 AM CDT | Flash Flood Warning | OAX | Harrison | 3 hr |
| Jun 22, 10:05 AM CDT | River Flood Warning | OAX | Montgomery | 16 hr |
| Jun 22, 10:05 AM CDT | River Flood Warning | OAX | Pottawattamie | 16 hr |
| Jun 22, 10:05 AM CDT | River Flood Warning | OAX | Fremont | 16 hr |
Nearby
Flash Flood Warnings in Nebraska, 2010Every 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.