Alert archive / Nebraska / Flash Flood Warnings in 1998
Flash Flood Warning 3, NWS Omaha, NE
NWS Omaha, NE issued this flash flood warning at May 22, 1998, 12:46 AM CDT for Lancaster County, Saunders County, Nebraska. It was in force for 5 hr. No storm report in the archive falls inside the area while it was in force.
The area
The counties it named.
The facts
- Issued
- May 22, 1998, 12:46 AM CDT (05:46 UTC)
- Expired
- May 22, 1998, 6:00 AM CDT
- In force
- 5 hr
- Issued by
- NWS Omaha, NE
- Area
- Whole counties
Counties Lancaster County, NE, Saunders County, NE
The nearest sounding before it
Omaha, NE (KOAX), launched 00:00Z, 5.8 hours before the alert went out and 43 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
- 66 J/kg
- Mixed-layer CIN
- -295 J/kg
- Mixed-layer LCL
- 905 m above ground
- 0-6 km bulk shear
- 59 kt
- 0-1 km storm-relative helicity
- 300 m²/s²
- 0-3 km storm-relative helicity
- 484 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 7.6
The text
As transmitted, in the capitals the NWS used until 2016.
000 TTAA00 KOMA 220546 FFWOMA NEC109-155-221145- BULLETIN - EAS ACTIVATION REQUESTED FLASH FLOOD WARNING NATIONAL WEATHER SERVICE OMAHA/VALLEY NE 1246 AM CDT FRI MAY 22 1998 THE NATIONAL WEATHER SERVICE IN OMAHA HAS ISSUED A * FLASH FLOOD WARNING FOR... SAUNDERS COUNTY IN EAST CENTRAL NEBRASKA NORTHERN LANCASTER COUNTY IN SOUTHEASTERN NEBRASKA * UNTIL 600 AM CDT * AT 1240 AM CDT... NATIONAL WEATHER SERVICE WEATHER RADAR INDICATED THAT AROUND 3 TO 6 INCHES OF RAIN HAS FALLEN WITH STRONG THUNDERSTORMS ACROSS SOUTHERN SAUNDERS AND PORTIONS OF NORTHERN LANCASTER COUNTY. AT 1235 AM CDT HIGHWAY 77 WAS REPORTED FLOODED NORTH OF CERESCO NEBRASKA. SOME STREAMS AFFECTED INCLUDE WAHOO CREEK...SALT CREEK $DO NOT DRIVE ACROSS FLOODED ROADS. MOST FLASH FLOOD DEATHS OCCUR IN AUTOMOBILES. IF YOUR VEHICLE STALLS...ABANDON IT IMMEDIATELY AND SEEK HIGHER GROUND. GW
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
Local storm report, May 21, 8:28 PM CDT, 4 hours 18 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE OMAHA/VALLEY NE
828 PM CDT THU MAY 21 1998
TIME(CDT) .....CITY LOCATION..... STATE ...EVENT/REMARKS...
....COUNTY LOCATION....
0535 PM 1 S NORFOLK NE 70 MPH TSTM GUST
05/21/98 MADISON WINDOWS BROKEN
0550 PM NORFOLK NE 60 MPH TSTM GUST
05/21/98 MADISON
0558 PM STANTON NE 60 MPH TSTM GUST
05/21/98 STANTON TREE LIMBS DOWN
0600 PM 2 W STANTON NE 70 MPH TSTM GUST
05/21/98 STANTON
0600 PM 10 SW STANTON NE 70 MPH TSTM GUST
05/21/98 STANTON NUMEROUS POWER LINES DOWN
0600 PM 2 S STANTON NE 70 MPH TSTM GUST
05/21/98 STANTON TREES DOWN
0605 PM 2 SE STANTON NE .75 INCH HAIL
05/21/98 STANTON
0615 PM 5 E STANTON NE 70 MPH TSTM GUST
05/21/98 STANTON TREE DAMAGE TO HOUSE AND
CAR
0715 PM CRAIG NE WIND DAMAGE
05/21/98 BURT
0754 PM 2 S BLENCOE IA .75 INCH HAIL
05/21/98 MONONA
0801 PM 2 S MAGNOLIA IA TORNADO
05/21/98 HARRISON
0806 PM WOODBINE IA .75 INCH HAIL
05/21/98 HARRISON
0810 PM 4 NE LOGAN IA .75 INCH HAIL
05/21/98 HARRISON
0810 PM WOODBINE IA 70 MPH TSTM GUST
05/21/98 HARRISON TREE LIMBS DOWN ALL OVER
TOWN
ZAPOTOCNYLocal storm report, May 21, 8:28 PM CDT, 4 hours 18 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE OMAHA/VALLEY NE
828 PM CDT THU MAY 21 1998
TIME(CDT) .....CITY LOCATION..... STATE ...EVENT/REMARKS...
....COUNTY LOCATION....
0535 PM 1 S NORFOLK NE 70 MPH TSTM GUST
05/21/98 MADISON WINDOWS BROKEN
0550 PM NORFOLK NE 60 MPH TSTM GUST
05/21/98 MADISON
0558 PM STANTON NE 60 MPH TSTM GUST
05/21/98 STANTON TREE LIMBS DOWN
0600 PM 2 W STANTON NE 70 MPH TSTM GUST
05/21/98 STANTON
0600 PM 10 SW STANTON NE 70 MPH TSTM GUST
05/21/98 STANTON NUMEROUS POWER LINES DOWN
0600 PM 2 S STANTON NE 70 MPH TSTM GUST
05/21/98 STANTON TREES DOWN
0605 PM 2 SE STANTON NE .75 INCH HAIL
05/21/98 STANTON
0615 PM 5 E STANTON NE 70 MPH TSTM GUST
05/21/98 STANTON TREE DAMAGE TO HOUSE AND
CAR
0715 PM CRAIG NE WIND DAMAGE
05/21/98 BURT
0754 PM 2 S BLENCOE IA .75 INCH HAIL
05/21/98 MONONA
0801 PM 2 S MAGNOLIA IA TORNADO
05/21/98 HARRISON
0806 PM WOODBINE IA .75 INCH HAIL
05/21/98 HARRISON
0810 PM 4 NE LOGAN IA .75 INCH HAIL
05/21/98 HARRISON
0810 PM WOODBINE IA 70 MPH TSTM GUST
05/21/98 HARRISON TREE LIMBS DOWN ALL OVER
TOWN
ZAPOTOCNYLocal storm report, May 21, 10:32 PM CDT, 2 hours 14 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE OMAHA/VALLEY NE
1032 PM CDT THU MAY 21 1998
TIME(CDT) .....CITY LOCATION..... STATE ...EVENT/REMARKS...
....COUNTY LOCATION....
0535 PM 1 S NORFOLK NE 70 MPH TSTM GUST
05/21/98 MADISON WINDOWS BROKEN
0550 PM NORFOLK NE 60 MPH TSTM GUST
05/21/98 MADISON
0558 PM STANTON NE 60 MPH TSTM GUST
05/21/98 STANTON TREE LIMBS DOWN
0600 PM 2 W STANTON NE 70 MPH TSTM GUST
05/21/98 STANTON
0600 PM 10 SW STANTON NE 70 MPH TSTM GUST
05/21/98 STANTON NUMEROUS POWER LINES DOWN
0600 PM 2 S STANTON NE 70 MPH TSTM GUST
05/21/98 STANTON TREES DOWN
0605 PM 2 SE STANTON NE .75 INCH HAIL
05/21/98 STANTON
0615 PM 5 E STANTON NE 70 MPH TSTM GUST
05/21/98 STANTON TREE DAMAGE TO HOUSE AND
CAR
0615 PM 5 S STANTON NE 80 MPH TSTM GUST
05/21/98 STANTON DAMAGE TO A HOUSE AND
OUTBUILDINGS
0615 PM 3 S PILGER NE 80 MPH TSTM GUST
05/21/98 STANTON CAR DAMAGE AND DOWNED
POWER LINES
0715 PM CRAIG NE WIND DAMAGE
05/21/98 BURT
0740 PM 3 N LITTLE SIOUX IA 70 MPH TSTM GUST
05/21/98 HARRISON TREES DOWN
0746 PM 1 W LITTLE SIOUX IA 70 MPH TSTM GUST
05/21/98 HARRISON
0746 PM 1 W LITTLE SIOUX IA
05/21/98 HARRISON FUNNEL CLOUD
0754 PM 2 S BLENCOE IA .75 INCH HAIL
05/21/98 MONONA
0754 PM 1 S LITTLE SIOUX IA TORNADO
05/21/98 HARRISON
0801 PM 2 S MAGNOLIA IA TORNADO
05/21/98 HARRISON
0806 PM WOODBINE IA .75 INCH HAIL
05/21/98 HARRISON
0810 PM 4 NE LOGAN IA .75 INCH HAIL
05/21/98 HARRISON
0810 PM WOODBINE IA 70 MPH TSTM GUST
05/21/98 HARRISON TREE LIMBS DOWN ALL OVER
TOWN
0810 PM 4 NE LOGAN IA .75 INCH HAIL
05/21/98 HARRISON
0810 PM WOODBINE IA 65 MPH TSTM GUST
05/21/98 HARRISON TREES DOWNED
0820 PM 2 E MAGNOLIA IA 80 MPH TSTM GUST
05/21/98 HARRISON TREES UPROOTED AND
POWERLINES DOWNED
0830 PM CASTANA IA TORNADO
05/21/98 MONONA
0845 PM HARLAN IA WIND DAMAGE
05/21/98 SHELBY ROOF OFF BUILDING
0849 PM SHELBY IA
05/21/98 SHELBY FUNNEL CLOUD
>
ZAPOTOCNYLocal storm report, May 21, 10:32 PM CDT, 2 hours 14 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE OMAHA/VALLEY NE
1032 PM CDT THU MAY 21 1998
TIME(CDT) .....CITY LOCATION..... STATE ...EVENT/REMARKS...
....COUNTY LOCATION....
0535 PM 1 S NORFOLK NE 70 MPH TSTM GUST
05/21/98 MADISON WINDOWS BROKEN
0550 PM NORFOLK NE 60 MPH TSTM GUST
05/21/98 MADISON
0558 PM STANTON NE 60 MPH TSTM GUST
05/21/98 STANTON TREE LIMBS DOWN
0600 PM 2 W STANTON NE 70 MPH TSTM GUST
05/21/98 STANTON
0600 PM 10 SW STANTON NE 70 MPH TSTM GUST
05/21/98 STANTON NUMEROUS POWER LINES DOWN
0600 PM 2 S STANTON NE 70 MPH TSTM GUST
05/21/98 STANTON TREES DOWN
0605 PM 2 SE STANTON NE .75 INCH HAIL
05/21/98 STANTON
0615 PM 5 E STANTON NE 70 MPH TSTM GUST
05/21/98 STANTON TREE DAMAGE TO HOUSE AND
CAR
0615 PM 5 S STANTON NE 80 MPH TSTM GUST
05/21/98 STANTON DAMAGE TO A HOUSE AND
OUTBUILDINGS
0615 PM 3 S PILGER NE 80 MPH TSTM GUST
05/21/98 STANTON CAR DAMAGE AND DOWNED
POWER LINES
0715 PM CRAIG NE WIND DAMAGE
05/21/98 BURT
0740 PM 3 N LITTLE SIOUX IA 70 MPH TSTM GUST
05/21/98 HARRISON TREES DOWN
0746 PM 1 W LITTLE SIOUX IA 70 MPH TSTM GUST
05/21/98 HARRISON
0746 PM 1 W LITTLE SIOUX IA
05/21/98 HARRISON FUNNEL CLOUD
0754 PM 2 S BLENCOE IA .75 INCH HAIL
05/21/98 MONONA
0754 PM 1 S LITTLE SIOUX IA TORNADO
05/21/98 HARRISON
0801 PM 2 S MAGNOLIA IA TORNADO
05/21/98 HARRISON
0806 PM WOODBINE IA .75 INCH HAIL
05/21/98 HARRISON
0810 PM 4 NE LOGAN IA .75 INCH HAIL
05/21/98 HARRISON
0810 PM WOODBINE IA 70 MPH TSTM GUST
05/21/98 HARRISON TREE LIMBS DOWN ALL OVER
TOWN
0810 PM 4 NE LOGAN IA .75 INCH HAIL
05/21/98 HARRISON
0810 PM WOODBINE IA 65 MPH TSTM GUST
05/21/98 HARRISON TREES DOWNED
0820 PM 2 E MAGNOLIA IA 80 MPH TSTM GUST
05/21/98 HARRISON TREES UPROOTED AND
POWERLINES DOWNED
0830 PM CASTANA IA TORNADO
05/21/98 MONONA
0845 PM HARLAN IA WIND DAMAGE
05/21/98 SHELBY ROOF OFF BUILDING
0849 PM SHELBY IA
05/21/98 SHELBY FUNNEL CLOUD
>
ZAPOTOCNYThe office that day
Everything else NWS Omaha, NE issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 21, 7:47 PM CDT | Severe Thunderstorm Warning | OAX | Burt | 18 min |
| May 21, 10:47 PM CDT | Severe Thunderstorm Warning | OAX | Butler, Seward | 63 min |
| May 21, 11:23 PM CDT | Severe Thunderstorm Warning | OAX | Lancaster, Saunders | 62 min |
| May 22, 12:02 AM CDT | Tornado Warning | OAX | Lancaster | 33 min |
| May 22, 12:11 AM CDT | Flash Flood Warning | OAX | Butler, Seward | 6 hr |
| May 22, 12:16 AM CDT | Tornado Warning | OAX | Lancaster | 19 min |
| May 22, 12:19 AM CDT | Severe Thunderstorm Warning | OAX | Sarpy | 46 min |
| May 22, 12:38 AM CDT | Severe Thunderstorm Warning | OAX | Cass | 62 min |
| May 22, 12:44 AM CDT | Severe Thunderstorm Warning | OAX | Saunders | 16 min |
| May 22, 12:56 AM CDT | Severe Thunderstorm Warning | OAX | Saline | 64 min |
| May 22, 1:04 AM CDT | Severe Thunderstorm Warning | OAX | Sarpy | 46 min |
| May 22, 1:48 AM CDT | Severe Thunderstorm Warning | OAX | Gage, Lancaster | 62 min |
Nearby
Flash Flood Warnings in Nebraska, 1998Every flash flood warning in 1998
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.