Alert archive / Nebraska / Flash Flood Warnings in 1992
Flash Flood Warning 7, NWS Omaha, NE
NWS Omaha, NE issued this flash flood warning at Jul 24, 1992, 10:52 PM CDT for Gage County, Jefferson County, Nebraska. It was in force for 4 hr.
The area
The counties it named.
The facts
- Issued
- Jul 24, 1992, 10:52 PM CDT (03:52 UTC)
- Expired
- Jul 25, 1992, 3:00 AM CDT
- In force
- 4 hr
- Issued by
- NWS Omaha, NE
- Area
- Whole counties
Counties Gage County, NE, Jefferson County, NE
The nearest sounding before it
Omaha, NE (KOVN), launched 00:00Z, 3.9 hours before the alert went out and 131 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
- 44 J/kg
- Mixed-layer CIN
- -240 J/kg
- Mixed-layer LCL
- 791 m above ground
- 0-6 km bulk shear
- 34 kt
- 0-1 km storm-relative helicity
- 154 m²/s²
- 0-3 km storm-relative helicity
- 235 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 1.0
The text
The text of this product is not in the archive. The NWS text archive before 2002 is incomplete.
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, Jul 24, 6:15 PM CDT, 4 hours 37 minutes before
NEZ015-019-250015- SPECIAL WEATHER STATEMENT FOR SOUTHEAST NEBRASKA NATIONAL WEATHER SERVICE LINCOLN NE 615 PM CDT FRI JUL 24 1992 ...FLASH FLOOD WARNING UNTIL 815 PM CDT FOR SOUTHERN LANCASTER AND JOHNSON COUNTY... ...SEVERE THUNDERSTORM WATCH UNTIL 11 PM CDT... AT 610 PM CDT RADAR INDICATED A STRONG THUNDERSTORM ON THE SEWARD AND LANCASTER COUNTY LINE. THE TOWNS OF MILFORD AND PLEASANT DALE ARE IN THE PATH OF THIS STORM. THIS STORM IS PART OF A LINE OF THUNDERSTORMS THAT EXTEND WEST TO THE HASTINGS AREA IN SOUTH CENTRAL NEBRASKA. MODERATE TO HEAVY RAIN IS STILL FALLING IN SOUTHERN LANCASTER AND JOHNSON COUNTIES ALTHOUGH THE STORMS HAVE WEAKENED SOME DURING THE LAST HOUR. ZELL
Special weather statement, Jul 24, 6:32 PM CDT, 4 hours 20 minutes before
NEZ010-015-020-IAZ056-080-090-091-250130-
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE OMAHA NE
630 PM CDT FRI JUL 24 1992
...SEVERE THUNDERSTORM WATCH FOR SOUTHEAST NEBRASKA AND SOUTHWEST IOWA
UNTIL 11 PM CDT...
...FLASH FLOOD WARNING FOR OTOE AND NEMAHA COUNTIES UNTIL 900 PM CDT...
AT 600 PM AN AREA OF THUNDERSTORMS...SOME WITH VERY HEAVY RAIN...WAS
LOCATED OVER SOUTHERN CASS...OTOE...AND NEMAHA COUNTIES. ANOTHER AREA
OF THUNDERSTORMS WAS LOCATED OVER PAGE COUNTY IN SOUTHWEST IOWA. THE
THUNDERSTORMS WERE MOVING TO THE SOUTHEAST AT 25 MPH.
CLOUDY SKIES WILL REMAIN OVER THE REST OF THE AREA THIS EVENING. THERE
IS A CHANCE OF MORE THUNDERSTORMS MOVING INTO THE OMAHA AREA AFTER
9PM CDT. SOME OF THESE STORMS MAY CONTAIN HEAVY RAIN. TEMPERATURES
WILL REMAIN ALMOST STEADY FROM EARLY EVENING READINGS AROUND 70 AS A
WARM FRONT WILL PASS THROUGH THE AREA DURING THE NIGHT.
ANDERSONSpecial weather statement, Jul 24, 7:44 PM CDT, 3 hours 8 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE OMAHA NE 745 PM CDT FRI JUL 24 1992 TORNADO WATCH 678 IS NO LONGER IN EFFECT FOR THE FOLLOWING COUNTIES IN NEBRASKA... ...ZONE 1... BOX BUTTE DDAWES SHERIDAN SIOUX ANDERSON
Special weather statement, Jul 24, 8:10 PM CDT, 2 hours 42 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE OMAHA NE 810 PM CDT FRI JUL 24 1992 SEVERE THUNDERSTORM WATCH NUMBER 677 IS NO LONGER IN EFFECT FOR THE FOLLOWING COUNTIES IN NEBRASKA. ...ZONE 13... DAWSON ...ZONE 17... FRONTIER RED WILLOW GOSPER FURNAS FOBERT
Special weather statement, Jul 24, 8:25 PM CDT, 2 hours 27 minutes before
NEZ010-020-250230- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE OMAHA NE 824 PM CDT FRI JUL 24 1992 ...FLASH FLOOD WARNING FOR NEMAHA AND OTOE COUNTIES UNTIL MIDNIGHT... ...SEVERE THUNDERSTORM WATCH FOR PARTS OF SOUTHEAST NEBRASKA UNTIL 11 PM CDT... AT 815 PM CDT SHOWERS AND THUNDERSTORMS CONTINUED ACROSS SOUTHEAST NEBRASKA AND SOUTHWEST IOWA. THESE STORMS EXTENDED FROM THE HASTINGS AREA TO SOUTH OF LINCOLN WITH MORE SCATTERED STORMS NEAR THE OMAHA METROPOLITAN AREA. THE STRONGEST STORMS WERE LOCATED NEAR FAIRMONT... OR 85 MILES SOUTHWEST OF OMAHA. THESE STORMS WERE MOVING TO THE NORTHEAST AT 20 MPH. SEVERAL REPORTS OF FLOODING WERE NOTED NEAR CRETE...OR 55 MILE MILES tSOUTHWEST OF OMAHA. PERSONS DRIVING IN THESE AREAS SHOULD USE CAUTION AND DO NOT ATTEMPT TO DRIVE OVER A ROAD COVERED BY WATER. ZAPOTOCNY
Special weather statement, Jul 24, 9:02 PM CDT, 1 hour 50 minutes before
NEZ015-019-250300- SPECIAL WEATHER STATEMENT FOR SOUTHEAST NEBRASKA NATIONAL WEATHER SERVICE LINCOLN NE 900 PM CDT FRI JUL 24 1992 ...FLASH FLOOD WARNING UNTIL 1215 AM CDT FOR SOUTHERN LANCASTER AND JOHNSON COUNTY...AND SALINE COUNTY... ...SEVERE THUNDERSTORM WATCH UNTIL 11 PM CDT... AT 850 PM THUNDERSTORMS WERE IN SALINE COUNTY 5 MILES SOUTH OF DORCHESTER. TWO THUNDERSTORMS WERE ALSO IN CENTRAL FILLMORE AND NORTHERN THAYER COUNTY FROM FAIRMONT SOUTH TO CARLETON. THESE STORMS WERE MOVING EAST AT 20 MPH. THEY CONTAINED HEAVY RAIN AND WILL CONTRIBUTE TO FLOODING ALREADY OCURRING IN SALINE COUNTY...PARTICULARLY NEAR THE TOWNS OF CRETE DORCHESTER AND WILBER. LISTEN FOR LATER STEMENTS AND POSSIBLE WARNINGS THIS EVENING. BYRNE
The office that day
Everything else NWS Omaha, NE issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 24, 7:55 PM CDT | Flash Flood Warning | OAX | Nemaha, Otoe | 4 hr |
| Jul 24, 8:06 PM CDT | Flash Flood Warning | OAX | Johnson, Lancaster | 4 hr |
| Jul 24, 8:06 PM CDT | Flash Flood Warning | OAX | Saline | 4 hr |
| Jul 24, 8:14 PM CDT | Severe Thunderstorm Warning | OAX | Saline, Seward | 59 min |
| Jul 24, 9:08 PM CDT | Flash Flood Warning | OAX | Saline | 3 hr |
| Jul 25, 12:11 AM CDT | Flash Flood Warning | OAX | Johnson, Lancaster | 3 hr |
| Jul 25, 12:11 AM CDT | Flash Flood Warning | OAX | Saline | 3 hr |
| Jul 25, 1:34 AM CDT | Flash Flood Warning | OAX | Pawnee | 3 hr |
| Jul 25, 4:28 PM CDT | Flash Flood Warning | OAX | Dodge | 3 hr |
| Jul 25, 5:33 PM CDT | Flash Flood Warning | OAX | Richardson | 4 hr |
Nearby
Flash Flood Warnings in Nebraska, 1992Every flash flood warning in 1992
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.