Alert archive / Iowa / Tornado Warnings in 1992
Tornado Warning 19, NWS Omaha, NE
NWS Omaha, NE issued this tornado warning at Jun 16, 1992, 9:30 PM CDT for Harrison County, Iowa. It was in force for 30 min. 1 report came from inside the area while it was in force.
The area
The counties it named, with what was reported inside it.
The facts
- Issued
- Jun 16, 1992, 9:30 PM CDT (02:30 UTC)
- Expired
- Jun 16, 1992, 10:00 PM CDT
- In force
- 30 min
- Issued by
- NWS Omaha, NE
- Area
- Whole counties
County Harrison County, IA
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Jun 16, 9:30 PM CDT | Tornado F3 | Harrison, IA |
NCEI Storm Data entries that began inside the alert's area while it was in force. Before 2003 the local storm report archive is thin, so this is the record of what happened rather than what was phoned in. Storm Data before 1996 records only tornadoes, thunderstorm wind and hail.
The nearest sounding before it
Omaha, NE (KOVN), launched 00:00Z, 2.5 hours before the alert went out and 61 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
- 4794 J/kg
- Mixed-layer CIN
- -2 J/kg
- Mixed-layer LCL
- 1163 m above ground
- 0-6 km bulk shear
- 50 kt
- 0-1 km storm-relative helicity
- 238 m²/s²
- 0-3 km storm-relative helicity
- 449 m²/s²
- Significant tornado parameter
- 8.2
- Supercell composite
- 39.8
The text
As transmitted, in the capitals the NWS used until 2016.
000 TTAA00 KOMA 170230 TOROMA IAC085-170300- BULLETIN - EBS ACTIVATION REQUESTED TORNADO WARNING NATIONAL WEATHER SERVICE OMAHA NE 930 PM CDT TUE JUN 16 1992 THE NATIONAL WEATHER SERVICE IN OMAHA HAS ISSUED A TORNADO WARNING EFFECTIVE UNTIL 1000 PM CDT FOR PEOPLE IN THE FOLLOWING LOCATION... IN WEST CENTRAL IOWA ...HARRISON COUNTY AT 920 PM CDT...LOGAN FIRE AND RESCUE REPORTED A TORNADO BETWEEN LOGAN AND MAGNOLIA OR 25 MILES NORTHEAST OMAHA. THE SEVERE THUNDERSTORM PRODUCING THE TORNADO WAS MOVING NORTHEAST A 20 MPH AND WILL MOVE THROUGH NORTHEAST HARRISON COUNTY BETWEEN LOGAN AND DUNLAP BY 950 PM. PERSONS IN THE WARNED AREA SHOULD TAKE SHELTER IN A BASEMENT IF AVAILABLE. OTHERWISE GO TO A SMALL INT;ERIOR ROOM ON THE LOWEST FLOOR. CARS AND MOBILE HOMES SHOULD BE ABANDONED. IF YOU ARE CAUGHT IN THE OPEN...TRY TO HIDE IN A DEPRESSION SUCH AS A DITCH OR CULVERT.
What forecasters said that day
The local office's own words before this tornado 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 16, 4:36 PM CDT, 4 hours 54 minutes before
NEZ003-004-007-008-009-162215- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE NORFOLK NE 435 PM CDT TUE JUN 16 1992 ...TORNADO WATCH FOR NORTH CENTRAL AND NORTHEAST NEBRASKA UNTIL 11PM... AT 434 PM RADAR WAS BEGINNING TO INDICATE A DEVELOPING THUNDERSTORM IN THE EXTREME SOUTHWEST CORNER OF BROWN COUNTY SOUTH OF ELSMERE OR ABOUT 60 MILES SOUTH SOUTHEAST OF VALENTINE. THE STORM IS MOVING NORTH AT 25 MPH AND COULD BECOME STRONGER IN THE NEXT H~OUR. PEOPLE IN THE NORTH CENTRAL AND NORTHEAST PARTS OF NEBRASKA SHOULD STAY CLOSE TO A TV OR RADIO AND LISTEN FOR LATER STATEMENTS AND POSSIBLE WARNINGS. TDK
Special weather statement, Jun 16, 4:59 PM CDT, 4 hours 31 minutes before
NEZ010-020-IAZ009-012-170000- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE OMAHA NE 500 PM CDT TUE JUN 16 1992 ...TORNADO WATCH REMAINS IN EFFECT FOR EAST CENTRAL NEBRASKA AND WEST CENTRAL IOWA... TORNADO WATCH NUMBER 375 REMAINS IN EFFECT NORTH OF NEBRAKA CITY INCLUDING THE OMAHA/COUNCIL BLUFFS VICINTY UNTIL 11 PM CDT. AT 455 PM CDT...NO THUNDERSTORM ACTIVITY WAS IN SOUTHEAST NEBRASKA OR SOUTHWEST IOWA. HOWEVER...CONDITIONS REMAIN FAVORABLE FOR SEVERE THUNDERSTORM DEVELOPMENT. STORMS CAN BUILD QUICKLY AND BECOME SEVERE IN A SHORT PERIOD OF TIME. YOU SHOULD CONTINUE TO MONITOR THE WEATHER CLOSELY AND BE PREPARED TO TAKE ACTION IF SEVERE WEATHER THREATENS OR IF A WARNING IS I?SSUED. JOHNSON
Special weather statement, Jun 16, 6:01 PM CDT, 3 hours 29 minutes before
NEZ010-020-IAZ009-012-170000- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE OMAHA NE 553 PM CDT TUE JUN 16 1992 ...TORNADO WATCH REMAINS IN EFFECT FOR EAST CENTRAL NEBRASKA AND WEST CENTRAL IOWA... TORNADO WATCH NUMBER 375 REMAINS IN EFFECT NORTH OF NEBRAKA CITY INCLUDING THE OMAHA/COUNCIL BLUFFS VICINTY UNTIL 11 PM CDT. AT 455 PM CDT...NO THUNDERSTORM ACTIVITY WAS IN SOUTHEAST NEBRASKA OR SOUTHWEST IOWA. THUNDERSTORMS MAY DEVELOP AND BECOME SEVERE AT ANYTIME SO CONTINUE TO MONITOR THE SITUATION. BE PREPARED TO TAKE ACTION IF SEVERE WEATHER THREATENS OR IF A WARNING IS ISSUED. TEMPERATURE WILL REMAIN VERY WARM EARLY THIS EVENING WITH READINGS IN THE UPPER 80S TO AROUND 90. WIlNDS WILL BE GUSTY OUT OF THE SOUTHEAST AT 20 TO 35 MPH. JOHNSON
Special weather statement, Jun 16, 7:49 PM CDT, 1 hour 41 minutes before
NEZ010-015-170145- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE OMAHA NE 749 PM CDT TUE JUN 16 1992 ...THUNDERSTORMS WERE DEVELOPING OVER SOUTHEAST NEBRASKA... AT 740 PM CDT...THUNDERSTORMS WERE STARTING TO DEVELOPING IN SOUTHEAST NEBRASKA BETWEEN OMAHA AND LINCOLN. THE THUNDERSTORMS SHOULD INCREASE IN STRENGTH THROUGH 830 PM CDT. THE MOST LIKELY AREA FOR THUNDERSTORM DEVELOPMENT IS FROM JUST WEST OF OMAHA SOUTHEAST TOWARDS BEATRICE. A TORNADO WATCH REMAINS IN EFFECT UNTIL MIDNIGHT. REMEMBER...A TORNADO WATCH MEANS THAT CONDITIONS ARE FAVORABLE FOR SEVERE THUNDERSTORM DEVELOPMENT INCLUDING TORNADOES. PEOPLE SHOULD MONITOR THE SITUATION CLOSELY AND BE PREPARED TO TAKE CO-VER IF SEVERE WEATHER IS OBSERVED OR IF A WARNING IS ISSUED. JOHNSON
Special weather statement, Jun 16, 8:07 PM CDT, 1 hour 23 minutes before
SPECIAL WEATRHER STATEMENT
NATIONAL WEATHER SERVICE OMAHA NE
807 PM CDT TUE JUN 16 1992
IN NEBRASKA THIS TORNADO WATCH NUMBER 375 IS NO LONGER IN EFFECT FOR
THE FOLLOWING COUNTIES...
...ZONE 3...
BROWN KEYA PAHA
ROCK
...ZONE 7...
BLAINE CUSTER LOUP
...ZONE 13...
DAWSON
THE TORNADO WATCH CONTINUES IN EFFECT FOR THE FOLLOWING COUNTIES...
...ZONE 3...
BOYD HOLT
...ZONE 4...
ANTELOPE CEDAR KNOX PIERCE
WAYNE
...ZONE 7...
BLAINE CUSTER LOUP
...ZONE 8...
GARFIELD GREELEY VALLEY WHEELER
...ZONE 9...
BOONE COLFAX CUMING MADISON
PL{ATTE STANTON
...ZONE 14...
BUFFALO HALL HAMILTON HOWARD
MERRICK NANCE SHERMAN
...IOWA ZONE 4...
DAKOTA DIXON THURSTON
GWSpecial weather statement, Jun 16, 8:15 PM CDT, 1 hour 15 minutes before
SPECIAL WEATRHER STATEMENT...CORRECTION NATIONAL WEATHER SERVICE OMAHA NE 807 PM CDT TUE JUN 16 1992 IN NEBRASKA THIS TORNADO WATCH NUMBER 375 IS NO LONGER IN EFFECT FOR THE FOLLOWING COUNTIES... ...ZONE 3... BROWN KEYA PAHA ROCK ...ZONE 7... BLAINE CUSTER LOUP ...ZONE 13... DAWSON THE TORNADO WATCH CONTINUES IN EFFECT FOR THE FOLLOWING COUNTIES... ...ZONE 3... BOYD HOLT ...ZONE 4... ANTELOPE CEDAR KNOX PIERCE WAYNE ...ZONE 8... GARFIELD GREELEY VALLEY WHEELER ...ZONE 9... BOONE COLFAX CUMING MADISON PLATTE STANTON ...ZONE 14..r. BUFFALO HALL HAMILTON HOWARD MERRICK NANCE SHERMAN ...IOWA ZONE 4... DAKOTA DIXON THURSTON GW
The office that day
Everything else NWS Omaha, NE issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 16, 8:39 PM CDT | Severe Thunderstorm Warning | OAX | Harrison | 51 min |
| Jun 16, 8:59 PM CDT | Tornado Warning | OAX | Harrison | 31 min |
| Jun 16, 11:17 PM CDT | Severe Thunderstorm Warning | OAX | Harrison | 58 min |
| Jun 16, 11:59 PM CDT | Tornado Warning | OAX | Pottawattamie | 31 min |
| Jun 17, 12:07 AM CDT | Tornado Warning | OAX | Mills | 38 min |
| Jun 17, 12:33 AM CDT | Severe Thunderstorm Warning | OAX | Pottawattamie, Shelby | 42 min |
| Jun 17, 12:46 AM CDT | Severe Thunderstorm Warning | OAX | Mills | 44 min |
Nearby
Tornado Warnings in Iowa, 1992Every tornado warning in 1992Tornadoes 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; verification from NCEI's Storm Data; the sounding from the Mesonet's radiosonde archive.