Alert archive / Nebraska / Tornado Warnings in 1991
Tornado Warning 14, NWS Omaha, NE
NWS Omaha, NE issued this tornado warning at May 29, 1991, 11:31 PM CDT for Butler County, Nebraska. It was in force for 29 min.
The area
The counties it named.
The facts
- Issued
- May 29, 1991, 11:31 PM CDT (04:31 UTC)
- Expired
- May 30, 1991, 12:00 AM CDT
- In force
- 29 min
- Issued by
- NWS Omaha, NE
- Area
- Whole counties
County Butler County, NE
The nearest sounding before it
Omaha, NE (KOVN), launched 00:00Z, 4.5 hours before the alert went out and 65 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
- 549 J/kg
- Mixed-layer CIN
- -117 J/kg
- Mixed-layer LCL
- 1066 m above ground
- 0-6 km bulk shear
- 42 kt
- 0-1 km storm-relative helicity
- 43 m²/s²
- 0-3 km storm-relative helicity
- 142 m²/s²
- Significant tornado parameter
- 0.1
- Supercell composite
- 0.8
The text
The text of this product is not in the archive. The NWS text archive before 2002 is incomplete.
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, May 29, 7:02 PM CDT, 4 hours 29 minutes before
NEZ010-015-019-020- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE OMAHA NE 658 PM CDT WED MAY 29 1991 IN NEBRASKA SEVERE THUNDERSTORM WATCH NUMBER 425 IS NO LONGER IN EFFECT FOR THE FOLLOWING COUNTIES... ...ZONE 10... CASS DOUGLAS SARPY ...ZONE 15... LANCASTER THE WATCH CONTINUES IN EFFECT UNTIL 900 PM CDT FOR THE FOLLOWING COUNTIES OF SOUTHEAST NEBRASKA. ...ZONE 19... GAGE JEFFERSON ...ZONE 20...} JOHNSON NEMAHA OTOE PAWNEE RICHARDSON SOME CITIES STILL INCLUDED IN THE WATCH ARE... BEATRICE FAIRBURY FALLS CITY NEBRASKA CITY WIESE
Special weather statement, May 29, 7:47 PM CDT, 3 hours 44 minutes before
IAZ012-300130- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE OMAHA NE 745 PM CDT WED MAY 29 1991 ...THUNDERSTORMS INCREASING IN SOUTHWEST IOWA... AT 745 PM CDT RADAR INDICATED THUNDERSTORMS INCREASING IN INTENSITY IN SOUTHWEST IOWA IN A BAND ABOUT 15 MILES WIDE FROM NEAR RED OAK IOWA TO 20 MILES SOUTH OF CLARINDA. THIS IS ABOUT 55 MILES SOUTHEAST OF OMAHA. THE THUNDERSTORMS WERE MOVING NORTHEAST AT 20 MPH AND WILL BE MOVING THROUGH THE VILLISCA AND CLARINDA AREAS THROUGH 845 PM CDT. PERSONS NEAR THE STORMS SHOULD BE ALERT FOR AREAS OF HEAVY RAIN AND POSSIBLE SMALL HAIL. WIESE
Special weather statement, May 29, 9:06 PM CDT, 2 hours 25 minutes before
IAZ012-300330- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE OMAHA NE 905 PM CDT WED MAY 29 1991 ...SEVERE THUNDERSTORMS WARNING FOR SOUTHERN PAWNEE COUNTY TIL 10 PM... ...RAPIDLY DEVELOPING THUNDERSTORMS OVER SOUTHEAST NEBRASKA... SHORTLY BEFORE 9PM...OMAHA RADAR SHOWED VERY STRONG THUNDERSTORMS DEVELOPING OVER THE SOUTHEAST CORNER OF NEBRASKA. THE STORMS WERE IN A 20 MILE WIDE BAND EXTENDING FROM 20 MILES SOUTHWEST OF AUBURN TO 30 MILES SOUTHWEST OF PAWNEE CITY NEBRASKA OR 65 MILES SOUTH TO 85 MILES SOUTHSOUTHWEST OF OMAHA. THE BAND OF THUNDERSTORMS TRAILED INTO NORTHCENTRAL KANSAS. ALL OF THE STORMS WERE MOVING NORTHEAST AT 25 MPH. PEOPLE IN AUBURN...HUMBOLDT...AND PAWNEE CI.TY SHOULD BE ON THE ALERT FOR HEAVY DOWNPOURS...POSSIBLE HAIL...AND GUSTY WINDS THROUGH 10 PM CDT. STAY TUNED FOR LATER STATEMENTS AND POSSIBLE WARNINGS. KLEMM
Special weather statement, May 29, 9:38 PM CDT, 1 hour 53 minutes before
IAZ012-300330- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE OMAHA NE 937 PM CDT WED MAY 29 1991 ...STRONG THUNDERSTORMS CONTINUE OVER SOUTHEAST NEBRASKA... AT 930 PM CDT...OMAHA RADAR SHOWED VERY STRONG THUNDERSTORMS OCCURRING IN A 25 MILE WIDE BAND FROM 10 MILES NORTHWEST OF TARKIO MISSOURI TO 15 MILES SOUTHEAST OF BEATRICE NEBRASKA...55 MILES SOUTHSOUTHEAST TO 85 MILES SOUTHSOUTHWEST OF OMAHA. THE THUNDERSTORMS WERE PRODUCING VERY HEAVY RAINFALL AND POSSIBLE SMALL HAIL...AND MOVING NORTHEAST AT 25 MPH. PEOPLE IN THE TOWNS OF TECUMSEH...AUBURN...AND PERU SHOULD REMAIN ALERT FOR THE LIKELIHOOD OF VERY HEAVY RAINFALL WHICH WILL QUICKLY FLOOD LOW LYING AREAS AND SMALL STREAMS. AVXOID ROADWAYS WITH WATER RUNNING OVER THEM. LISTEN FOR LATER STATEMENTS AND POSSIBLE WARNINGS. KLEMM
Special weather statement, May 29, 10:14 PM CDT, 1 hour 17 minutes before
IAZ012-NEZ020-300430- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE OMAHA NE 1014 PM CDT WED MAY 29 1991 ...STRONG THUNDERSTORMS OVER SOUTHEAST NEBRASKA AND SOUTHWEST IOWA... SHORTLY AFTER 10PM CDT...OMAHA RADAR SHOWED A 30 MILE WIDE BAND OF THUNDERSTORMS EXTENDING FROM 10 MILES EAST OF CLARINDA IOWA THROUGH AUBURN TO 20 MILES SOUTHEAST OF BEATRICE. POSSIBLE HAIL AND STRONG GUSTY WINDS WERE OCCURING WITH THE STRONGEST STORMS IN THE AUBURN AND PERU VICINITIES IN NEMAHA COUNTY NEBRASKA. THE STORMS WERE MOVING NORTHEAST AT 25 MPH. PEOPLE IN JOHNSON AND NEMAHA COUNTIES IN NEBRASKA AND FREMONT AND PAGE COUNTIES IN IOWA SHOULD REMAIN ALERT FOR VERY HEAVY RAIN AND POSSIBLE SEVERE WEATHER UNTIL 11PM CDT. HEAVY RAIN MAY QUICKLY FLOOD LOW LYING AREAS AND CAUSE RAPID RISES ON SMALL STREAMS. AVOID ROADS WITH WATER FLOWING OVER THEM...AND STAY TUNED FOR FURTHER STATEMENTS AND POSSIBLE WARNINGS. KLEMM
Special weather statement, May 29, 10:49 PM CDT, 42 minutes before
IAZ012-NEZ010-020-300500- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE OMAHA NE 1047 PM CDT WED MAY 29 1991 ...STRONG THUNDERSTORMS DEVELOPING EASTCENTRAL NEBRASKA... AT 1040 PM CDT...OMAHA RADAR SHOWED A NEW CLUSTER OF THUNDERSTORMS DEVELOPING OVER NORTHERN LANCASTER COUNTY 15 MILES NORTH OF LINCOLN. OR 45 MILES SOUTHWEST OF OMAHA. THESE THUNDERSTORMS WILL BE MOVING INTO SOUTHEAST SUANDERS COUNTY. PEOPLE IN THE TOWNS OF WAHOO AND ASHLAND SHOULD PREPARE FOR HEAVY RAIN...SMALL HAIL...AND GUSTY WINDS UNTIL 1130 PM. ANOTHER THUNDERSTORMS COMPLEX WAS OVER CENTRAL COLFAX COUNTY. RADAR HAS INDICATED A POSSIBLE TORNADO WITH THIS STORM. ON THE PRESENT COURSE...THESE STORMS MAY AFFECT NORTHWEST DODGE COUNTY SHORTLY AFTER 11PM CDT. IN ADDITION...THE STRONG THUNDERSTORMS OVER SOUTHEAST NEBRASKA AND SOUTHWEST IOWA HAD WEAKENED AND ARE NO LONGER EXPECTED TO BE SEVERE. KLEMM
The office that day
Everything else NWS Omaha, NE issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 29, 8:57 PM CDT | Severe Thunderstorm Warning | OAX | Pawnee | 63 min |
| May 29, 10:32 PM CDT | Tornado Warning | OAX | Butler | 28 min |
| May 29, 10:56 PM CDT | Severe Thunderstorm Warning | OAX | Douglas, Sarpy | 64 min |
| May 29, 10:56 PM CDT | Severe Thunderstorm Warning | OAX | Saunders | 64 min |
| May 29, 11:08 PM CDT | Tornado Warning | OAX | Dodge | 37 min |
| May 29, 11:46 PM CDT | Tornado Warning | OAX | Dodge | 29 min |
Nearby
Tornado Warnings in Nebraska, 1991Every tornado warning in 1991Tornadoes in 1991
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.