Alert archive / Nebraska / Flash Flood Warnings in 1990
Flash Flood Warning 8, NWS Omaha, NE
NWS Omaha, NE issued this flash flood warning at Jul 25, 1990, 5:07 PM CDT for Saline County, Seward County, Nebraska. It was in force for 3 hr.
The area
The counties it named.
The facts
- Issued
- Jul 25, 1990, 5:07 PM CDT (22:07 UTC)
- Expired
- Jul 25, 1990, 8:15 PM CDT
- In force
- 3 hr
- Issued by
- NWS Omaha, NE
- Area
- Whole counties
Counties Saline County, NE, Seward 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 12:00Z, 10.1 hours before the alert went out and 95 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
- 3625 m above ground
- 0-6 km bulk shear
- 22 kt
- 0-1 km storm-relative helicity
- 255 m²/s²
- 0-3 km storm-relative helicity
- 314 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 KLNK 252207
FFWLNK
NEC159-151-260115-
BULLETIN - IMMEDIATE BROADCAST REQUESTED/EBS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE LINCOLN NE
507 PM CDT WED JUL 25 1990
THE NATIONAL WEATHER SERVICE HAS ISSUED A FLASH FLOOD WARNING
EFFECTIVE UNTIL 815 PM CDT FOR PEOPLE IN THE FOLLOWING
COUNTIES
IN THE SOUTHEAST PART OF NEBRASKA
SOUTHERN SEWARD...NORTHERN SALINE
AT 500 PM CDT THIS AFTERNOON HEAVY RAIN WAS OCCURING ACROSS SEWARD
AND SALINE COUNTIES OF NEBRASKA IN THE WEST FORK OF THE BIG BLUE
RIVER. RADAR OBSERVATIONS AND REPORTS FROM THE AREA INDICATE 2 TO
4 INCHES OF RAIN HAS FALLEN TODAY. ANOTHER 1 TO 3 INCHES IS LIKELY
LATE THIS AFTERNOON. RAPIDLY RISING WATER AND FLASH FLOODING IS
POSSIBLE ALONG THE WEST FORK OF THE BIG BLUE ACROSS SOUTERN SEWARD
AND NORTHERN NORTHERN SALINE COUNTIES UP UNTIL 800 PM CDT TONIGHT.
DO NOT DRIVE YOUR VEHICLE INTO AREAS WHERE WATER COVERS THE ROADWAY.
THE WATER DEPTH MAY BE TOO GREAT TO ALLOW YOUR CAR TO CROSS SAFELY.
VEHICLES CAUGHT IN RISING WATER SHOULD BE ABANDONED IMMEDIATELY.
MOVE TO HIGHER GROUND.
BE ESPECIALLY CAUTIOUS AT NIGHT WHEN IT IS HARDER TO RECOGNIZE
THE DANGERS OF FLOOD WATERS. IF FLASH FLOODING IS OBSERVED...
ACT QUICKLY. MOVE TO HIGHER GROUND TO ESCAPE FLOOD WATERS. DO
NOT STAY IN AREAS SUBJECT TO FLOODING WHEN WATER BEGINS RISING.
MAKE PLANS TO MOVE TO HIGHER GROUND IF YOU ARE IN A LOW AREA...
ESPECIALLY IF YOU LIVE ALONG THE WEST FORK dOF THE BIG BLUE IN
SALINE OR SEWARD COUNTIES NEBRASKA.
FMWhat 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, Jul 25, 12:02 PM CDT, 5 hours 5 minutes before
NEZ010-251830- URBAN AND SMALL STREAM FLOOD ADVISORY NATIONAL WEATHER SERVICE OMAHA NE NOON CDT WED JUL 25 1990 AN URBAN AND SMALL STREAM FLOOD ADVISORY REMAINS IN EFFECT FOR PARTS OF EAST CENTRAL NEBRASKA UNTIL 100 PM CDT. THE AREA IS FROM 20 TO 30 MILES WEST TO AROUND 30 MILES NORTH OF OMAHA...OR FROM FREMONT AND VALLEY TO BLAIR. AT 1145 AM SHOWERS AND THUNDERSTORMS CONTINUED OVER MOST OF EASTERN NEBRASKA AND WESTERN IOWA. THE HEAVIEST RAIN WAS OCCURRING FROM VALLEY THROUGH BLAIR AND INTO WESTERN IOWA NEAR MISSOURI VALLEY. ONE AND HALF TO 3 INCHES OF RAIN HAVE FALLEN THIS MORNING OVER PARTS OF EAST CENTRAL NEBRASKA. THE HEAVY RAIN HAS SWOLLEN SMALL CREEKS AND DITCHES AND PRODUCED URBAN FLOODING IN FREMONT. MOTORISTS SHOULD CONTINUE TO USE CAUTION WHEN DRIVING EARLY THIS AFTERNOON AS SOME STREETS REMAIN FLOODED...ESPECIALLY IN FREMONT AND VALLEY. CHERMOK
Special weather statement, Jul 25, 1:27 PM CDT, 3 hours 40 minutes before
NEZ010-251900- URBAN AND SMALL STREAM FLOOD ADVISORY NATIONAL WEATHER SERVICE OMAHA NE 125 PM CDT WED JUL 25 1990 THE URBAN AND SMALL STREAM FLOOD ADVISORY FOR PARTS OF EAST CENTRAL NEBRASKA HAS BEEN ALLOWED TO EXPIRE. AT 115 PM CDT NATIONAL WEATHER SERVICE RADAR CONTINUED TO SHOW THUNDERSTORMS OVER MOST OF EASTERN NEBRASKA AND WESTERN IOWA. HOWEVER...THE HEAVIEST RAINFALL HAS SHIFTED EAST OF THE FREMONT...VALLEY AND BLAIR AREAS ALLOWING STORM SEWERS TO CATCH UP WITH THE RUNOFF. 2 TO 3 INCHES OF RAIN WAS REPORTED JUST WEST AND NORTH OF THE OMAHA AREA...FROM FREMONT AND VALLEY TO BLAIR. THE RAIN...WHICH FELL IN SEVERAL HOURS TIME...PRODUCED STREET FLOODING IN AND NEAR THESE TOWNS. RAIN WILL CONTINUE MUCH OF THIS AFTERNOON OVER EASTERN NEBRASKA AND WESTERN IOWA. ALTHOUGH THE SHOWERS HAVE WEAKENED SOME...THE GROUND IS SATURATED OVER A LARGE PART OF THE AREA. ANY ADDITIONAL SIGNIFICANT RAINFALL WILL CAUSE FLOODING. MOTORISTS SHOU0LD CONTINUE TO USE CAUTION AS PONDING WATER STILL REMAINS. BE ALERT FOR THE REDEVELOPMENT HEAVIER RAIN LATER THIS AFTERNOON AND TONIGHT WHICH COULD PRODUCE FLOODING. CHERMOK
Special weather statement, Jul 25, 1:30 PM CDT, 3 hours 37 minutes before
NEZ010-251900- SPECIAL WEATHER STATEMENT...CORRECTED HEADING NATIONAL WEATHER SERVICE OMAHA NE 125 PM CDT WED JUL 25 1990 THE URBAN AND SMALL STREAM FLOOD ADVISORY FOR PARTS OF EAST CENTRAL NEBRASKA HAS BEEN ALLOWED TO EXPIRE. AT 115 PM CDT NATIONAL WEATHER SERVICE RADAR CONTINUED TO SHOW THUNDERSTORMS OVER MOST OF EASTERN NEBRASKA AND WESTERN IOWA. HOWEVER...THE HEAVIEST RAINFALL HAS SHIFTED EAST OF THE FREMONT...VALLEY AND BLAIR AREAS ALLOWING STORM SEWERS TO CATCH UP WITH THE RUNOFF. 2 TO 3 INCHES OF RAIN WAS REPORTED JUST WEST AND NORTH OF THE OMAHA AREA...FROM FREMONT AND VALLEY TO BLAIR. THE RAIN...WHICH FELL IN SEVERAL HOURS TIME...PRODUCED STREET FLOODING IN AND NEAR THESE TOWNS. RAIN WILL CONTINUE MUCH OF THIS AFTERNOON OVER EASTERN NEBRASKA AND WESTERN IOWA. ALTHOUGH THE SHOWERS HAVE WEAKENED SOME...THE GROUND IS SATURATED OVER A LARGE PART OF THE AREA. ANY ADDITIONAL SIGNIFICANT RAINFALL WILL CAUSE FLOODING. MOCTORISTS SHOULD CONTINUE TO USE CAUTION AS PONDING WATER STILL REMAINS. BE ALERT FOR THE REDEVELOPMENT HEAVIER RAIN LATER THIS AFTERNOON AND TONIGHT WHICH COULD PRODUCE FLOODING. CHERMOK
Special weather statement, Jul 25, 4:01 PM CDT, 1 hour 6 minutes before
NEZ010-020-252230- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE OMAHA NE 345 PM CDT WED JUL 25 1990 ...A FLASH FLOOD WATCH HAS BEEN POSTED FOR EAST CENTRAL AND PARTS OF SOUTH CENTRAL NEBRASKA UNTIL MIDNIGHT... ...A SEVERE THUNDERSTORM WATCH IS IN EFFECT FOR SOUTHEAST NEBRASKA UNTIL 9 PM CDT... NUMEROUS THUNDERSTORMS WERE MOVING THOUGH EAST CENTRAL NEBRASKA AT 340 PM CDT. THE STRONGEST THUNDERSTORMS WERE MOVING THROUGH EASTERN CASS AND LANCASTER COUNTIES IN THE LINCOLN VICINITY 40 MILES SOUTHWEST OF OMAHA. THE THUNDERSTORMS WERE MOVING AT 25 MILES AN HOUR AND THEY SHOULD MOVE INTO THE OMAHA VICINITY BY 5 PM CDT. MORE STORMS WILL MOVE WILL MOVE INTO SAUNDERS AND DODGE COUNTIES ABOUT 30 MILES WEST OF OMAHA. ^ BETWEEN 2 AND 4 INCHES OF RAIN HAD FALLEN IN PARTS OF SAUNDERS AND DODGE COUNTIES DURING THE DAY. ADDITIONAL HEAVY RAINFALL MAY PRODUCE PRODUCE FLASH FLOODING IN THIS AREA. IF YOU ARE IN THE PATH OF THE THUNDERSTORMS...BE PREPARED FOR VERY HEAVY RAIN...DANGEROUS LIGHTNING...GUSTY WINDS AND POSSIBLY HAIL. YOU SHOULD MOVE INTO A STRONG REINFORCED BUILDING UNTIL AFTER THE STORMS PASS. IF YOU LIVE IN FLOOD PRONE AREAS...PREPARE TO MOVE TO HIGHER GROUND IF FL OODING IS OBSEVERED OR IF A WARNING IS ISSUED. JOHNSON
Special weather statement, Jul 25, 4:54 PM CDT, 13 minutes before
NEZ010-015-252230- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE OMAHA NE 445 PM CDT WED JUL 25 1990 ...A FLASH FLOOD WATCH HAS BEEN POSTED FOR EAST CENTRAL AND PARTS OF SOUTH CENTRAL NEBRASKA UNTIL MIDNIGHT... ...A SEVERE THUNDERSTORM WATCH IS IN EFFECT FOR SOUTHEAST NEBRASKA UNTIL 9 PM CDT... AT 435 PM CDT THIS WEDNESDAY AFTERNOON A LINE OF HEAVIER THUNDERSTORMS REACHED FROM ABOUT 20 MILES WEST OF LINCOLN NE ACROSS PLATTSMOUTH NE ABOUT 25 MILES SOUTH OF OMAHA TO NEAR ATLANTIC IOWA ABOUT 40 MILES EAST OF OMAHA NE. THIS LINE IS DRIFTING ONLY SLOWLY NORTH AND THE THUNDERSTORMS MOVE NORTHEAST ABOUT 20 MILES PER HOUR. THE HEAVIEST THUNDERSTORMS ARE LIKELY TO PRODUCE VERY HEAVY RAIN AND APPEAR TO BE PRODUCING SOME HAIL THROUGHOUT EAST SEWARD...CENTRAL LANCASTER AND CASS COUNTIES IN NEBRASKA AND NORTHERN MILLS AND POSSIBLY EASTERN POTTAWATTAMIE COUNTIES IN IOWA. RAPID FLOODING IS QUITE POSSIBLE FROM THE STORMS. A FLASH FLOOD QWATCH IS IN EFFECT FOR MUCH OF SOUTHEAST AND EAST CENTRAL NEBRASKA UNTIL MIDNIGHT. DO NOT ATTEMPT TO CROSS FLOWING WATER ON FOOT OR IN A VEHICLE. POWERS
The office that day
Everything else NWS Omaha, NE issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 25, 8:41 AM CDT | Severe Thunderstorm Warning | OAX | Burt | 49 min |
Nearby
Flash Flood Warnings in Nebraska, 1990Every flash flood warning in 1990
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.