Alert archive / Nebraska / Flash Flood Warnings in 1993
Flash Flood Warning 13, NWS Omaha, NE
NWS Omaha, NE issued this flash flood warning at Jul 1, 1993, 12:51 AM CDT for Richardson County, Nebraska. It was in force for 4 hr.
The area
The counties it named.
The facts
- Issued
- Jul 1, 1993, 12:51 AM CDT (05:51 UTC)
- Expired
- Jul 1, 1993, 5:00 AM CDT
- In force
- 4 hr
- Issued by
- NWS Omaha, NE
- Area
- Whole counties
County Richardson County, NE
The nearest sounding before it
Topeka, KS (KTOP), launched 00:00Z, 5.9 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
- 3169 J/kg
- Mixed-layer CIN
- -5 J/kg
- Mixed-layer LCL
- 1127 m above ground
- 0-6 km bulk shear
- 18 kt
- 0-1 km storm-relative helicity
- 38 m²/s²
- 0-3 km storm-relative helicity
- 128 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 010551
FFWOMA
NEC147-011000-
BULLETIN - IMMEDIATE BROADCAST REQUESTED/EBS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE OMAHA NE
1251 AM CDT THU JUL 1 1993
THE NATIONAL WEATHER SERVICE HAS ISSUED A FLASH FLOOD WARNING
EFFECTIVE UNTIL 500 AM CDT FOR PEOPLE IN THE FOLLOWING COUNTY
IN THE SOUTHEAST PART OF NEBRASKA
RICHARDSON
AT 1245 AM CDT AN AREA OF THUNDERSTORMS WITH ADDITIONAL HEAVY
RAINS HAD DEVELOPED IN NORTHEAST KANSAS. SATELLITE PICTURES
INDICATE THAT HEAVY RAINS WILL SPREAD INTO THE UPPER BASIN OF
THE BIG NEMAHA RIVER AGGRAVATING FLOODING CONDITIONS EARLY THIS
MORNING.
THE BIG NEMAHA RIVER AT FALLS CITY WAS AT 25 FEET...5 FEET ABOVE
FLOOD STAGE AROUND MIDNIGHT. A DANGEROUS RISE TO AROUND 27 FEET
WITH ADDITIONAL FLOODING IS FORECAST FOR LATER THIS MORNING.
PEOPLE IN THE WARNED AREA...ESPECIALLY CAMPERS...SHOULD SEEK HIGHER
GROUND WITHOUT DELAY. MOTORISTS SHOULD USE CAUTION IN APPROACHING
LOW AREASb OF ROADS.
DO NOT ATTEMPT TO DRIVE OVER A ROAD COVERED BY WATER. THE ROAD
COULD BE WASHED OUT UNDER THE WATER SURFACE.
LISTEN FOR LATER STATEMENTS AND WARNINGS
BYRDWhat 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 30, 7:20 PM CDT, 5 hours 31 minutes before
NEZ015-019-010120- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE LINCOLN NE 720 PM CDT WED JUN 30 1993 ...THUNDERSTORMS CONTINUE OVER EXTREME SOUTHEAST NEBRASKA... AT 720 PM RADAR HAD INDICATED THUNDERSTORMS IN EXTREME SOUTHEAST NEBRASKA. THE STORMS WERE LOCATED IN SOUTHEAST PAWNEE COUNTY EAST OF PAWNEE CITY...WHICH IS 60 MILES SOUTHEAST OF LINCOLN...EAST INTO RICHARDSON COUNTY NEAR FALLS CITY AND INTO NORTHERN KANSAS. THESE THUNDERSTORMS WERE MOVING TO THE EAST-NORTHEAST AT 30 MPH. SCHLACHTER
Special weather statement, Jun 30, 7:20 PM CDT, 5 hours 31 minutes before
NEZ015-019-010120- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE LINCOLN NE 720 PM CDT WED JUN 30 1993 ...THUNDERSTORMS CONTINUE OVER EXTREME SOUTHEAST NEBRASKA... AT 720 PM RADAR HAD INDICATED THUNDERSTORMS IN EXTREME SOUTHEAST NEBRASKA. THE STORMS WERE LOCATED IN SOUTHEAST PAWNEE COUNTY EAST OF PAWNEE CITY...WHICH IS 60 MILES SOUTHEAST OF LINCOLN...EAST INTO RICHARDSON COUNTY NEAR FALLS CITY AND INTO NORTHERN KANSAS. THESE THUNDERSTORMS WERE MOVING TO THE EAST-NORTHEAST AT 30 MPH. SCHLACHTER
Special weather statement, Jun 30, 9:10 PM CDT, 3 hours 41 minutes before
NEZ010-015-020-310220- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE OMAHA NE 910 PM CDT WED JUN 30 1993 ...THE TORNADO WATCH FOR THE EXTREME SOUTHEAST HAS BEEN CANCELLED... ...FLASH FLOOD WARNINGS REMAIN FOR PAWNEE AND RICHARDSON COUNTIES... THUNDERSTORMS REMAINED OVER SOUTHEAST NEBRASKA AT 9 PM BUT THE HEAVIEST RAIN AND THE POTENTIAL FOR SEVERE HAS SEEMED TO HAVE SUBSIDED. THEREFORE THE TORNADO WATCH HAS BEEN CANCELLED. FLASH FLOOD WARNINGS ARE IN EFFECT UNTIL THE EARLY MORNING FOR THE COUNTIES OF PAWNEE AND RICHARDSON. OVER 5 INCHES OF RAIN WAS REPORTED HALFWAY BETWEEN DAWSEN AND FALLS CITY. LOWLAND FLOODING...OVERFLOWING DITCHES...AND SOME ROADS UNDER WATER HAS BEEN REPORTED AS OF 9 PM CDT IN RICHARDSON AND PAWNEE COUNTY. CLARK
Special weather statement, Jun 30, 9:16 PM CDT, 3 hours 35 minutes before
NEZ010-015-020-310220- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE OMAHA NE 910 PM CDT WED JUN 30 1993 ...THE TORNADO WATCH FOR THE EXTREME SOUTHEAST HAS BEEN CANCELLED... ...FLASH FLOOD WARNINGS REMAIN FOR PAWNEE AND RICHARDSON COUNTIES... THUNDERSTORMS REMAINED OVER SOUTHEAST NEBRASKA AT 9 PM BUT THE HEAVIEST RAIN AND THE POTENTIAL FOR SEVERE HAS SEEMED TO HAVE SUBSIDED. THEREFORE THE TORNADO WATCH HAS BEEN CANCELLED. FLASH FLOOD WARNINGS ARE IN EFFECT UNTIL THE EARLY MORNING FOR THE COUNTIES OF PAWNEE AND RICHARDSON. OVER 5 INCHES OF RAIN WAS REPORTED HALFWAY BETWEEN DAWSEN AND FALLS CITY. LOWLAND FLOODING...OVERFLOWING DITCHES...AND SOME ROADS UNDER WATER HAS BEEN REPORTED AS OF 9 PM CDT IN RICHARDSON AND PAWNEE COUNTY. CLARK
Special weather statement, Jun 30, 11:21 PM CDT, 1 hour 30 minutes before
NEZ010-015-020-IAZ056-080-090-091-010630- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE OMAHA NE 1121 PM CDT WED JUN 30 1993 ...FLASH FLOOD WARNINGS FOR PAWNEE AND RICHARDSON COUNTIES TIL 115 AM... THUNDERSTORMS REMAINED SCATTERED OVER SOUTHEAST NEBRASKA AT 11PM... WITH ACTIVITY SUBSIDED OVER PAWNEE AND RICHARDSON COUNTIES FOR THE MOMENT. THOSE AREAS SUSTAINED HEAVY RAINFALL UP TO MORE THAN 5 INCHES OVER THE COURSE OF THE EVENING HOURS RESULTING IN HEAVY RUNOFF AND FLASH FLOODING. FLASH FLOOD WARNINGS REMAIN IN EFFECT FOR PAWNEE AND RICHARDSON COUNTIES UNTIL 115 AM...AS ADDITIONAL SHOWERS AND THUNDERSTORMS ARE EXPECTED TO MOVE INTO THE AREA FROM KANSAS. PEOPLE IN THE WARNED AREAS SHOULD AVOID LOWLANDS AND FLOOD PRONE AREAS. KLEMM /
Special weather statement, Jun 30, 11:22 PM CDT, 1 hour 29 minutes before
NEZ010-015-020-IAZ056-080-090-091-010630- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE OMAHA NE 1121 PM CDT WED JUN 30 1993 ...FLASH FLOOD WARNINGS FOR PAWNEE AND RICHARDSON COUNTIES TIL 115 AM... THUNDERSTORMS REMAINED SCATTERED OVER SOUTHEAST NEBRASKA AT 11PM... WITH ACTIVITY SUBSIDED OVER PAWNEE AND RICHARDSON COUNTIES FOR THE MOMENT. THOSE AREAS SUSTAINED HEAVY RAINFALL UP TO MORE THAN 5 INCHES OVER THE COURSE OF THE EVENING HOURS RESULTING IN HEAVY RUNOFF AND FLASH FLOODING. FLASH FLOOD WARNINGS REMAIN IN EFFECT FOR PAWNEE AND RICHARDSON COUNTIES UNTIL 115 AM...AS ADDITIONAL SHOWERS AND THUNDERSTORMS ARE EXPECTED TO MOVE INTO THE AREA FROM KANSAS. PEOPLE IN THE WARNED AREDAS SHOULD AVOID LOWLANDS AND FLOOD PRONE AREAS. KLEMM
The office that day
Everything else NWS Omaha, NE issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 30, 7:15 PM CDT | Flash Flood Warning | OAX | Richardson | 60 min |
| Jun 30, 7:15 PM CDT | Severe Thunderstorm Warning | OAX | Richardson | 60 min |
| Jun 30, 8:13 PM CDT | Flash Flood Warning | OAX | Richardson | 5 hr |
| Jul 1, 1:59 AM CDT | Flash Flood Warning | OAX | Pawnee | 7 hr |
| Jul 1, 7:02 AM CDT | Flash Flood Warning | OAX | Gage | 4 hr |
Nearby
Flash Flood Warnings in Nebraska, 1993Every flash flood warning in 1993
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.