Alert archive / Nebraska / Flash Flood Warnings in 1986
Flash Flood Warning 2, NWS Omaha, NE
NWS Omaha, NE issued this flash flood warning at Jun 14, 1986, 2:44 AM CDT for Burt County, Washington County, Nebraska; Harrison County, Iowa. It was in force for 4 hr.
The area
The counties it named.
The facts
- Issued
- Jun 14, 1986, 2:44 AM CDT (07:44 UTC)
- Expired
- Jun 14, 1986, 6:30 AM CDT
- In force
- 4 hr
- Issued by
- NWS Omaha, NE
- Area
- Whole counties
Counties Harrison County, IA, Burt County, NE, Washington County, NE
The radar
The WSR-88D network and its archive begin in 1991, so there is no radar volume for this alert.
The nearest sounding before it
Omaha, NE (KOAX), launched 00:00Z, 7.7 hours before the alert went out and 46 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
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 3599 m above ground
- 0-6 km bulk shear
- 38 kt
- 0-1 km storm-relative helicity
- 85 m²/s²
- 0-3 km storm-relative helicity
- 184 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
000 TTAA00 KOMA 140745 FFWOMA NEC021-177-053-IAC085-141130- BULLETIN EBS ACTIVATION REQUESTED FLASH FLOOD WARNING NATIONAL WEATHER SERVICE OMAHA NE 244 AM CDT SAT JUN 14 1986 THE NATIONAL WEATHER SERVICE HAS ISSUED A FLASH FLOOD WARNING EFFECTIVE UNTIL 630 AM CDT FOR PEOPLE IN THE FOLLOWING COUNTIES OF EAST CENTRAL NEBRASKA...BURT..NORTHERN WASHINGTON AND NORTHERN DODGE WEST CENTRAL IOWA...HARRISON RAINFALL ESTIMATES OF 2 TO 3 INCHES ARE PRODUCING FLOODING IN BURT COUNTY NEBRASKA..WHERE EAST OF OAKLAND ON HIWAY 32..50 YARDS OF WATER AND DEBRIS WAS FLOWING ACROSS THE ROAD. IN ADDITION FURTHER EAST OF OAKLAND ON HIWAY 32 THERE WAS THE THREAT OF DAMAGE TO A BRIDGE OVER A SMALL STREAM. FLOODING WAS ALSO REPORTED AT CRAIG. HEAVY THUNDERSTORMS HAVE MOVED SOUTH AND EAST FROM BURT COUNTY INTO NORTHERN WASHINGTON COUNTY NEBRASKA AND HARRISON COUNTY OF IOWA ..WHERE FLASH FLOODING IS ALSO LIKELY. SONME FLOODING WAS REPORTED NEAR SNYDER IN NORTHERN DODGE COUNTY NEBRASKA..50 MILES NORTHWEST OF OMAHA. A FLASH FLOOD WATCH REMAINED IN EFFECT TONIGHT FOR NORTHEAST AND EAST CENTRAL NEBRASKA..AND FOR POTTAWATTAMIE COUNTY OF IOWA. FLOODING OF SMALL STREAMS IS POSSIBLE ACROSS POTTAWATTAMIE.. MONTGOMERY AND PAGE COUNTIES OF SOUTHWEST IOWA UNTIL 6AM. DO NOT ATTEMPT TO CROSS SWIFTLY FLOWING WATERS BY FOO OR BY AUTO. DO NOT ATTEMPT TO DRIVE OVER A ROAD COVERED BY WATER. THE ROAD COULD BE WASHED OUT UNDER THE WATER SURFACE. LISTEN FOR LATER STATMENTS AND MOVE TO HIGH GROUND. THIS WARNING UPDATES THE FLASH FLOOD WARNING ISSUED EARLIER TONIGHT. BYRD
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.
In the hours before
Special weather statement, Jun 13, 11:08 PM CDT, 3 hours 36 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE OMAHA NE 1105 PM CDT FRI JUN 13 1986 ...SEVERE THUNDERSTORM WATCH 256 IS NO LONGER IN EFFECT IN SOUTHWEST NEBRASKA... THUNDERSHOWERS MAY CONTINUE IN SOUTHWEST NEBRASKA TONIGHT BUT THE CHANCE OF SEVERE WEATHER IN THAT AREA HAS DIMINISHED SUBSTANTIALLY. SEVERE THUNDERSTORM WATCH 256 IS NO LONGER IN EFFECT IN NEBRASKA WEST OF KEARNEY. SEVERE THUNDERSTORM WATCH 256 REMAINS IN EFFECT IN SOUTH CENTRAL NEBRASKA UNTIL 1 AM CDT SATURDAY MORNING FOR THE FOLLOWING COUNTIES... ZONE 14...SOUTH CENTRAL BUFFALO..HALL..HAMILTON..HOWARD..MERRICK..SHERMAN. ZONE 15...SOUTHEAST POLK..YORK. ZONE 18...SOUTH CENTRAL BORDER ADAMS..CLAY..FRA.NKLIN..KEARNEY..NUCKOLLS..WEBSTER. ZONE 19...SOUTHEAST BORDER FILLMORE..THAYER. POWERS
Special weather statement, Jun 14, 1:18 AM CDT, 1 hour 26 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE OMAHA NE
115 AM CDT SAT JUN 14 1986
...FLASH FLOOD WATCH FOR NORTHEAST AND PARTS OF EAST CENTRAL NEBRASKA
OR THE REST OF TONIGHT...
AT 110 AM CDT A LARGE AREA OF SHOWERS AND THUNDERSTORMS..SOME WITH VERY
HEAVY RAIN EXTENDED ACROSS NORTHEAST NEBRASKA..WEST CENTRAL IOWA THEN
INTO SOUTHWEST IOWA.
VERY STRONG THUNDERSTORMS WITH SMALL HAIL..STRONG GUSTY WINDS AND VERY
HEAVY RAIN WERE IN SOUTHWEST IOWA FROM JUST EAST OF COUNCIL BLUFFS...
TO CLARINDA..60 MILES SOUTHEAST OF OMAHA. RESIDENTS OF POTTAWATTAMIE
..WESTERN MILLS..MONTGOMERY AND PAGE COUNTIES OF IOWA SHOULD BE ALERT
TO THESE STORMS UNTIL 2AM CDT. THE STORMS WERE MOVING EAST AT 25 MPH.
A FLASH FLOOD WARNING REMAINED IN EFFECT FOR SOUTHERN BURT..NORTHERN
DODGE AND NORTHERN WASHINGTON COUNTIES OF EAST CENTRAL NEBRASKA UNTIL
330 AM CDT. HEAVY RAINS CONTINUED TO FALL IN THESE COUNTIES AND
PERSONS IN THESE COUNTIES SHOULD WATCH FOR WATER OVER ROADWAYS. DO
NOT ATTEMPT CROSSING FLOODED ROADS AND SEEK HIGHER GROUND. LISTEN
FOR LATER STATEMENTS OR ADDITIONAL WARNINGS.
THE FLASH FLOOD WATCH CONTINUED IN EFFECT FOR NORTHEAST AND EAST CENTRAL
NEBRASKA FOR THE RJEST OF TONIGHT..THE IOWA COUNTIES OF HARRISON..
POTTAWATTAMIE ARE ALSO INCLUDED IN THIS FLASH FLOOD WATCH.
BYRDThe office that day
Everything else NWS Omaha, NE issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 13, 11:28 PM CDT | Flash Flood Warning | OAX | Burt, Dodge, Washington | 4 hr |
| Jun 14, 2:44 AM CDT | Flash Flood Warning | OAX | Dodge | 4 hr |
Nearby
Flash Flood Warnings in Nebraska, 1986Flash Flood Warnings in Iowa, 1986Every flash flood warning in 1986
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.