Alert archive / Nebraska / Flash Flood Warnings in 1992
Flash Flood Warning 13, NWS Omaha, NE
NWS Omaha, NE issued this flash flood warning at Jul 29, 1992, 10:20 PM CDT for Richardson County, Nebraska. It was in force for 5 hr.
The area
The counties it named.
The facts
- Issued
- Jul 29, 1992, 10:20 PM CDT (03:20 UTC)
- Expired
- Jul 30, 1992, 3:00 AM CDT
- In force
- 5 hr
- Issued by
- NWS Omaha, NE
- Area
- Whole counties
County Richardson County, NE
The nearest sounding before it
Topeka, KS (KTOP), launched 00:00Z, 3.3 hours before the alert went out and 125 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
- 2199 J/kg
- Mixed-layer CIN
- -29 J/kg
- Mixed-layer LCL
- 1333 m above ground
- 0-6 km bulk shear
- 44 kt
- 0-1 km storm-relative helicity
- 73 m²/s²
- 0-3 km storm-relative helicity
- 152 m²/s²
- Significant tornado parameter
- 0.8
- Supercell composite
- 7.1
The text
As transmitted, in the capitals the NWS used until 2016.
000 TTAA00 KOMA 300321 FFWOMA NEC147-300800- BULLETIN - EBS ACTIVATION REQUESTED FLASH FLOOD WARNING NATIONAL WEATHER SERVICE OMAHA NE 1020 PM CDT WED JUL 29 1992 THE NATIONAL WEATHER SERVICE IN OMAHA HAS ISSUED A FLASH FLOOD WARNING EFFECTIVE UNTIL 300 AM CDT FOR PEOPLE IN THE FOLLOWING LOCATION... IN SOUTHEAST NEBRASKA ...RICHARDSON COUNTY HEAVY THUNDERSTORMS HAVE REDEVELOPED OVER RICHARDSON COUNTY TO THE NORTHWEST OF FALLS CITY. THE CENTRAL AND EASTERN PARTS OF THE COUNTY RECEIVED AN INCH OR MORE OF RAIN EARLIER THIS EVENING. THESE THUNDERSTORMS NOW ARE PRODUCING HEAVY RAINS IN AREAS AROUND HUMBOLDT NEBRASKA UPSTREAM FROM WHERE THE EARLIER RAINS FELL. RICHARDSON COUNTY IS APPROXIMATELY 75 MILES SOUTH OF OMAHA ON THE WEST SIDE OF THE MISSOURI RIVER. PERSONS IN RICHARDSON COUNTY...ESPECIALLY THOSE IN THE VALLEY OF THE NORTH FORK FROM HOUMBOLDT DOWNSTREAM AND ALONG THE MAIN STEM OF THE BIG NEMAHA AROUND FALLS CITY AND EAST TO THE CONFLUENCE WITH THE MISSOURI NEAR RULO SHOULD BE PREPARED FOR RAPID RISES IN WATER. A FLASH FLOOD WARNING MEANS THAT FLASH FLOODING IS IMMINENT OR HAS BEEN REPORTED. RESIDENTS SHOULD TAKE IMMEDIATE PRECAUTIONS. DO NOT ATTEMPT TO CROSS SWIFTLY FLOWING W;ATERS BY FOOT OR BY AUTO. POWERS
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 29, 8:02 PM CDT, 2 hours 18 minutes before
NEZ001-005-006-011-012-300200- SPECIAL WEATHER STATEMNET CONCERNING TORNADO WATCH 690 NATIONAL WEATHER SERVICE OMAHA NE 700 PM MDT WED JUL 29 1992 TORNADO WATCH 690 ISSUED ABOUT 130 PM MDT FOR THE NEBRASKA PANHANDLE AND PARTLY OF ADJACENT WESTERN NEBRASKA IS NO LONGER IN EFFECT IN THE NEBRASKA PANHANDLE. THE FOLLOWING ARE NO LONGER IN A WATCH... THE STRONG THUNDERSTORMS HAVE MOVE EAST OF THE PANHANDLE. ...ZONE 1... BOX BUTTE DAWES SHERIDAN SIOUX ...ZONE 5... BANNER GARDEN MORRILL SCOTTS BLUFF ...ZONE 11... CHEYENNE DEUEL KIMBALL THE FOLLOWING COUNTIES IN WESTERN NEBRASKA REMAIN IN A TORNADO WATCH UNTIL 8 PM MDT. UIN ADDITION ANOTHER TORNADO WATCH COVERS THE AREA IMMEDIATELY EAST AND SOUTH OF THESE COUNTIES UNTIL MIDNIGHT MDT. ...ZONE 6... ARTHUR GRANT ...ZONE 12... KEITH POWERS
Special weather statement, Jul 29, 8:26 PM CDT, 1 hour 54 minutes before
NEZ003-007-008-300200- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE NORFOLK NE 824 PM CDT WED JUL 29 1992 ...TORNADO WATCH FOR NORTH CENTRAL NEBRASKA UNTIL MIDNIGHT CDT... AT 823 PM CDT RADAR INDICATED SHOWERS AND THUNDERSTORMS OVER MUCH OF NORTH CENTRAL NEBRASKA. THE MOST INTENSE STORM WAS ABOUT 10 MILES WEST OF ONEILL...JUST SOUTH OF ATKINSON. THIS STORM MAY CONTAIN SMALL HAIL ALONG WITH GUSTY WINDS AND HEAVY RAIN. THE OTHER STORMS OVER NORTH CENTRAL NEBRASKA CONTAINED LIGHT TO MODERATE RAIN. ALL OF THE ACTIVITY WAS MOVING SOUTHEAST AT 30 MILES AN HOUR. PEOPLE IN NORTH CENTRAL NEBRASKA SHOULD REMAIN ALERT TO CHANGING WEATHER CONDITIONS AND TAKE COVER IF A WARNING IS ISSUED. TDK
Special weather statement, Jul 29, 9:03 PM CDT, 1 hour 17 minutes before
NEZ010-IAZ090-300300- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE OMAHA NE 901 PM CDT WED JUL 29 1992 AT 850 PM STRONG THUNDERSTORMS WERE OVER FREMONT COUNTY OF SOUTHWEST IOWA. THESE STORMS DEVELOPED RAPIDLY SINCE 815 PM THIS EVENING. RADAR INDICATED POSSIBLE HAIL...PEA TO MARBLE SIZE...TO THE SOUTH OF SIDNEY WHICH IS 40 MILES SOUTHEAST OF OMAHA. THESE STORMS WERE MOVING TO THE SOUTHEAST AT 25 MILES AN HOUR. KLISH
Special weather statement, Jul 29, 9:20 PM CDT, 1 hour before
NEZ002-003-006>008-012>014-016>018-300300- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE OMAHA NE 920 PM CDT WED JUL 29 1992 TORNADO WATCH NUMBER 692 IS NO LONGER IN EFFECT FOR THE FOLLOWING COUNTIES... ...ZONE 2... CHERRY ...ZONE 6... HOOKER LOGAN MCPHERSON THOMAS ...ZONE 12... LINCOLN PERKINS ...ZONE 16... CHASE DUNDY HAYES HITCHCOCK THE TORNADO WATCH REMAINS IN EFFECT UNTIL MIDNIGHT CDT FOR ...ZONE 3... BROWN HOLT KEYA PAHA ROCK BOYD ...ZONE 7... BLAINE CUSTER LOUP ...ZONE 8... GARFIELD VALLEY ...ZONE 13... DAWSON ...ZONE 14... BUFFALO SHERMAN ...ZONE 17... FRONTIER FURNAS GOSPER HARLAN PHELPS RED WILLOW ...ZONE 18... ADAMS FRANKLIN KEARNEY WEBSTER FOBERT
Special weather statement, Jul 29, 9:55 PM CDT, 25 minutes before
IAZ090-091-300400- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE OMAHA NE 955 PM CDT WED JUL 29 1992 AN INTENSE THUNDERSTORM CONTINUES ACROSS EXTREME EASTERN FREMONT COUNTY AND WESTERN PAGE COUNTY IN SOUTHWEST IOWA...50 MILES SOUTHEAST OF OMAHA. HEAVY RAIN AND PEA SIZE HAIL HAVE BEEN REPORTED WITH THIS STORM AROUND SHENANDOAH...BUT NO SEVERE WEATHER HAS BEEN REPORTED AS OF 945PM. THE THUNDERSTORM WAS MOVING SOUTHEAST AT 30 MILES AN HOUR AND WILL BE OUT OF FREMONT COUNTY BY 10 PM CDT. A SEVERE THUNDERSTORM WARNING CONTINUES FOR EASTERN FREMONT COUNTY UNTIL 10 PM CDT. FOBERT
Special weather statement, Jul 29, 10:02 PM CDT, 18 minutes before
NEZ003-004-007-008-009-300330- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE NORFOLK NE 1002 PM CDT WED JUL 29 1992 ...TORNADO WATCH FOR NORTH CENTRAL NEBRASKA UNTIL MIDNIGHT CDT... AT 958 PM CDT RADAR INDICATED A LARGE AREA OF SHOWERS AND THUNDERSTORMS COVERING MUCH OF NORTH CENTRAL AND EXTENDING INTO NORTHEAST NEBRASKA. THE LEADING EDGE STRETCHED FROM 35 MILES NORTHWEST OF SIOUX CITY SOUTH TO ABOUT 15 MILES WEST OF NORFOLK AND COLUMBUS. MOST OF THE STORMS CONTAINED LIGHT RAIN BUT SOME HEAVIER RAINS WERE EMBEDDED WITHIN THIS LARGER AREA. ALL OF THE SHOWERS AND THUNDERSTORMS WERE MOVING SOUTHEAST AT 25 MILES AN HOUR. THE SHOWERS AND STORMS WILL CONTINUE TO MOVE OVER THE NORTH C>ENTRAL AND NORTHEAST PARTS OF THE STATE THROUGH THE LATE EVENING AND EARLY MORNING HOURS. TDK
The office that day
Everything else NWS Omaha, NE issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 29, 11:01 PM CDT | Severe Thunderstorm Warning | OAX | Nemaha | 29 min |
| Jul 30, 12:42 AM CDT | Flash Flood Warning | OAX | Johnson, Pawnee | 4 hr |
| Jul 30, 12:49 AM CDT | Flash Flood Warning | OAX | Nemaha | 4 hr |
| Jul 30, 2:58 AM CDT | Flash Flood Warning | OAX | Otoe | 3 hr |
| Jul 30, 2:58 AM CDT | Flash Flood Warning | OAX | Richardson | 3 hr |
| Jul 30, 5:00 AM CDT | Flash Flood Warning | OAX | Nemaha, Otoe, Richardson | 19 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.