Alert archive / Nebraska / Flash Flood Warnings in 1997
Flash Flood Warning 1, NWS Omaha, NE
NWS Omaha, NE issued this flash flood warning at Jun 21, 1997, 12:08 AM CDT for Burt County, Cuming County, Dodge County, Nebraska. It was in force for 6 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
- Jun 21, 1997, 12:08 AM CDT (05:08 UTC)
- Expired
- Jun 21, 1997, 6:05 AM CDT
- In force
- 6 hr
- Issued by
- NWS Omaha, NE
- Area
- Whole counties
Counties Burt County, NE, Cuming County, NE, Dodge County, NE
The radar
The Omaha radar (KOAX), 55 km from the middle of the area, began a volume at 05:10 UTC, the scan nearest the moment this went out.
Open the radar archive at this moment
The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.
The nearest sounding before it
Omaha, NE (KOAX), launched 00:00Z, 5.1 hours before the alert went out and 55 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
- 5994 J/kg
- Mixed-layer CIN
- -4 J/kg
- Mixed-layer LCL
- 1151 m above ground
- 0-6 km bulk shear
- 39 kt
- 0-1 km storm-relative helicity
- 89 m²/s²
- 0-3 km storm-relative helicity
- 186 m²/s²
- Significant tornado parameter
- 4.8
- Supercell composite
- 25.7
The text
As transmitted, in the capitals the NWS used until 2016.
000 TTAA00 KOMA 210509 FFWOMA NEC034-039-053-211105- BULLETIN - EAS ACTIVATION REQUESTED FLASH FLOOD WARNING NATIONAL WEATHER SERVICE OMAHA/VALLEY NE 1208 AM CDT SAT JUN 21 1997 * FLASH FLOOD WARNING FOR SOUTHERN CUMING COUNTY - IN NORTHEASTERN NEBRASKA DODGE COUNTY - IN EAST CENTRAL NEBRASKA BURT COUNTY - IN NORTHEASTERN NEBRASKA * UNTIL 605 AM CDT * SOME STREAMS AFFECTED PEBBLE CREEK MAPLE CREEK LOGAN CREEK * CAUSE AND EFFECT VERY HEAVY RAIN HAS FALLEN IN THESE AREAS THIS EVENING WITH RADAR ESTMATES OF 2 TO 6 INCHES ACROSS THE AREA. ADDITIONAL HEAVY RAIN IS LIKELY THROUGH THE EARLY MORNING HOURS. DO NOT DRIVE YOUR VEHICLE INTO AREAS WHERE WATER COVERS THE ROADWAY. THE WATER DEPTVH MAY BE TOO GREAT TO ALLOW YOUR CAR TO CROSS SAFELY. VEHICLES CAUGHT IN RISING WATER SHOULD BE ABANDONED QUICKLY. MOVE TO HIGHER GROUND. FOBERT
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, Jun 20, 10:14 PM CDT, 1 hour 54 minutes before
NEZ011-012-015>018-030>034-042>045-050>053-065>068-078-088>093- IAZ043-055-056-069-079-080-090-091-211200- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE OMAHA/VALLEY NE 1015 PM CDT FRI JUN 20 1997 ...SEVERE WEATHER OUTLOOK FOR EASTERN NEBRASKA AND SOUTHWEST IOWA... SPOTTER ACTION... SPOTTER ACTIVITY WILL CONTINUE TO BE NEEDED IN EASTERN NEBRASKA AND WESTERN IOWA TONIGHT AS A TORNADO WATCH CONTINUES IN EFFECT FOR MUCH OF EASTERN AND CENTRAL NEBRASKA UNTIL 2 AM CDT. DISCUSSION... A SQUALL LINE IN CENTRAL NEBRAKSA FROM BURWELL SOUTH THROUGH THE BROKEN BOW AREA SOUTHWEST TOWARD LEXINGTON WILL CONTINUE TO MOVE EAST TONIGHT INTO THE TORNADO WATCH AREA. DAMAGING WINDS...TORNADOES...AND LARGE HAIL WILL BE POSSIBLE ALONG PARTS OF THIS LINE AS IT MOVES INTO EASTERN NEBRASKA FROM 11 PM TO 2 AM CDT. SEVERE WEATHER WILL ALSO BE POSSIBLE IN ADVANCE OF THE LINE. SOME STORMS COULD PRODUCE VERY HEAVY RAINS AND LOWLAND FLOODING. THIS IjS A DANGEROUS WEATHER PATTERN AND RESIDENTS OF EASTERN NEBRASKA AND WESTERN IOWA SHOULD REMAIN AT A HIGH DEGREE OF ALERT. BYRD
Special weather statement, Jun 20, 10:15 PM CDT, 1 hour 53 minutes before
NEZ011-012-015>018-030>034-042>045-050>053-065>068-078-088>093- IAZ043-055-056-069-079-080-090-091-211200- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE OMAHA/VALLEY NE 1015 PM CDT FRI JUN 20 1997 ...SEVERE WEATHER OUTLOOK FOR EASTERN NEBRASKA AND SOUTHWEST IOWA... SPOTTER ACTION... SPOTTER ACTIVITY WILL CONTINUE TO BE NEEDED IN EASTERN NEBRASKA AND WESTERN IOWA TONIGHT AS A TORNADO WATCH CONTINUES IN EFFECT FOR MUCH OF EASTERN AND CENTRAL NEBRASKA UNTIL 2 AM CDT. DISCUSSION... A SQUALL LINE IN CENTRAL NEBRAKSA FROM BURWELL SOUTH THROUGH THE BROKEN BOW AREA SOUTHWEST TOWARD LEXINGTON WILL CONTINUE TO MOVE EAST TONIGHT INTO THE TORNADO WATCH AREA. DAMAGING WINDS...TORNADOES...AND LARGE HAIL WILL BE POSSIBLE ALONG PARTS OF THIS LINE AS IT MOVES INTO EASTERN NEBRASKA FROM 11 PM TO 2 AM CDT. SEVERE WEATHER WILL ALSO BE POSSIBLE IN ADVANCE OF THE LINE. SOME STORMS COULD PRODUCE VERY HEAVY RAINS AND LOWLAND FLOODING. THIS IS A DANGEROUS WEATHER PATTERN AND RESIDENTS OF EASTERN NEBRASKA AND WESTERN IOWA SHOULD REMAIN AT A HIGH DEGREE OF ALERT. BYRD
The office that day
Everything else NWS Omaha, NE issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 20, 7:08 PM CDT | Severe Thunderstorm Warning | OAX | Dodge, Saunders | 47 min |
| Jun 20, 7:31 PM CDT | Severe Thunderstorm Warning | OAX | Butler, Colfax | 49 min |
| Jun 20, 7:35 PM CDT | Severe Thunderstorm Warning | OAX | Burt, Washington | 50 min |
| Jun 20, 7:54 PM CDT | Severe Thunderstorm Warning | OAX | Dodge, Saunders | 46 min |
| Jun 20, 8:25 PM CDT | Severe Thunderstorm Warning | OAX | Burt | 50 min |
| Jun 20, 8:35 PM CDT | Severe Thunderstorm Warning | OAX | Thurston | 50 min |
| Jun 20, 8:43 PM CDT | Severe Thunderstorm Warning | OAX | Cuming, Dodge | 47 min |
| Jun 20, 8:48 PM CDT | Severe Thunderstorm Warning | OAX | Boone | 62 min |
| Jun 20, 9:12 PM CDT | Severe Thunderstorm Warning | OAX | Antelope | 63 min |
| Jun 20, 9:24 PM CDT | Severe Thunderstorm Warning | OAX | Cuming, Stanton | 51 min |
| Jun 20, 9:40 PM CDT | Severe Thunderstorm Warning | OAX | Madison, Pierce | 50 min |
| Jun 20, 10:09 PM CDT | Tornado Warning | OAX | Cuming | 51 min |
| Jun 20, 10:56 PM CDT | Severe Thunderstorm Warning | OAX | Burt | 64 min |
| Jun 20, 11:22 PM CDT | Tornado Warning | OAX | Dodge | 48 min |
| Jun 20, 11:42 PM CDT | Severe Thunderstorm Warning | OAX | Butler, Seward | 58 min |
| Jun 20, 11:48 PM CDT | Severe Thunderstorm Warning | OAX | Gage, Jefferson, Lancaster, Saline | 62 min |
| Jun 21, 12:17 AM CDT | Severe Thunderstorm Warning | OAX | Saunders | 63 min |
| Jun 21, 1:05 AM CDT | Severe Thunderstorm Warning | OAX | Cass, Sarpy | 60 min |
| Jun 21, 1:11 AM CDT | Tornado Warning | OAX | Sarpy | 34 min |
Nearby
Flash Flood Warnings in Nebraska, 1997Every flash flood warning in 1997
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; radar from the NEXRAD Level II archive.