Alert archive / Nebraska / Tornado Warnings in 1993
Tornado Warning 2, NWS Omaha, NE
NWS Omaha, NE issued this tornado warning at May 7, 1993, 10:40 PM CDT for Cass County, Sarpy County, Nebraska. It was in force for 35 min.
The area
The counties it named.
The facts
- Issued
- May 7, 1993, 10:40 PM CDT (03:40 UTC)
- Expired
- May 7, 1993, 11:15 PM CDT
- In force
- 35 min
- Issued by
- NWS Omaha, NE
- Area
- Whole counties
Counties Cass County, NE, Sarpy County, NE
The nearest sounding before it
Omaha, NE (KOAX), launched 00:00Z, 3.7 hours before the alert went out and 40 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
- 1984 J/kg
- Mixed-layer CIN
- -13 J/kg
- Mixed-layer LCL
- 835 m above ground
- 0-6 km bulk shear
- 35 kt
- 0-1 km storm-relative helicity
- 206 m²/s²
- 0-3 km storm-relative helicity
- 280 m²/s²
- Significant tornado parameter
- 2.1
- Supercell composite
- 12.5
The text
As transmitted, in the capitals the NWS used until 2016.
000 TTAA00 KOMA 080339 TOROMA NEC025-153-080415- BULLETIN - EBS ACTIVATION REQUESTED TORNADO WARNING NATIONAL WEATHER SERVICE OMAHA NE 1040 PM CDT FRI MAY 7 1993 THE NATIONAL WEATHER SERVICE IN OMAHA HAS ISSUED A TORNADO WARNING EFFECTIVE UNTIL 1115 PM CDT FOR PEOPLE IN THE FOLLOWING LOCATIONS... IN EAST CENTRAL NEBRASKA ...WESTERN CASS COUNTY...WESTERN SARPY COUNTY WEATHER SERVICE RADAR AT 1040 INDICATED A POSSIBLE TORNADO 30 MILES SOUTHWEST OF DOWNTOIWN OMAHA...OR 8 MILES WEST OF LOUISVILLE. THE TORNADO WAS MOVING NORTH NORTHEAST AT 35 MPH. THE COMMUNITIES OF SPRINGFIELD AND GRETNA ARE IN THE PATH OF THIS STORM. IF YOU LIVE IN SPRINGFIELD OR GRETNA...TAKE COVER NOW! PERSONS IN THE WARNED AREA SHOULD TAKE SHELTER IN A BASEMENT IF AVAILABLE. OTHERWISE GO TO A SMALL INTERIOR ROOM ON THE LOWEST FLOOR. CARS AND MOBILE HOMES SHOULD BE ABANDONED.
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
Local storm report, May 7, 10:13 PM CDT, 27 minutes before
STORM REPORT NATIONAL WEATHER SERVICE NORFOLK NE 1010 PM CDT FRI MAY 7 1992 DELAYED SEVERE REPORTS IN NORTH CENTRAL NEBRASKA FOR MAY 7 TIME EVENT 2215 PM CDT GOLF BALL HAIL AT BRISTOW IN NBOYD COUNTY. LOHMANN
Local storm report, May 7, 10:15 PM CDT, 25 minutes before
STORM REPORT NATIONAL WEATHER SERVICE NORFOLK NE 1015 PM CDT FRI MAY 7 1992 DELAYED SEVERE REPORTS IN NORTH CENTRAL NEBRASKA FOR MAY 7 TIME EVENT 2215 PM CDT GOLF BALL HAIL AT BRISTOW IN VBOYD COUNTY. LOHMANN
Special weather statement, May 7, 10:20 PM CDT, 20 minutes before
NEZ010-015-020-IAZ056-080-090-091-080430- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE OMAHA NE 1020 PM CDT FRI MAY 7 1993 ...SEVERE THUNDERSTORM WATCH IN EFFECT THROUGH 400 AM... WEATHER SERVICE RADAR AT 1015 PM INDICATED A LINE OF THUNDERSTORMS EXTENDING FROM NEAR SIOUX CITY IOWA SOUTWEST TO NEAR COLUMBUS NEBRASKA. A SECOND LINE EXTENDED FROM HARRISON COUNTY IN WESTERN IOWA SOUTHWEST TO JUST WEST OF DOWNTOWN OMAHA...AND CONTINUED SOUTHWEST TO BEATRICE. ALL STORMS WERE MOVING TOWARD THE NORTHEAST AT 35 MPH...AND WILL CONTINUE OVER MUCH OF EASTERN NEBRASKA AND MOVE INTO THE REMAINDER OF WESTERN IOWA THROUGH 1100 PM. THUNDERSTORMS MAY BE ACCOMPANIED BY GUSTY WINDS TO NEAR 50 MPH...SMALL HAIL...LOCALLY HEAVY RAIN...AND DANGEROUS LIGHTNING. WIND GUSTS TO NEAR 50 MPH AND PEA SEZED HAIL WERE REPORTED IN THE TOWN OF EAGLE IN CASS COUNTY AT 1010 PM. PLEASE SEEK SHELTER INDOORS IF THREATENING WEATHER APPROACHES. WERT
Special weather statement, May 7, 10:22 PM CDT, 18 minutes before
NEZ015-019-020-080430- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE LINCOLN NE 1022 PM CDT FRI MAY 7 1993 ...SEVERE THUNDERSTORM WATCH UNTIL 400 PM FOR SOUTHEAST NEBRASKA... AT 1015 PM RADAR INDICATED A STRONG THUNDERSTORM 20 MILES SOUTHEAST OF BEATRICE...NEAR BARNESTON...MOVING NORTHEAST AT 30 MPH. THIS STORM WAS PART OF A LINE OF STRONG THUNDERSTORMS FROM 20 MILES NORTHEAST OF BEATRICE TO 20 MILES SOUTHEAST OF BEATRICE. A SPOTTER 6 MILES WEST OF TECUMSEH REPORTED PEA SIZE HAIL. PEOPLE SHOULD CONTINUE TO LISTEN TO NOAA WEATHER FOR THE LATEST STATEMENTS AND POSSIBLE WARNINGS IF REQUIRED. GROSSHANS
Special weather statement, May 7, 10:22 PM CDT, 18 minutes before
NEZ015-019-020-080430- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE LINCOLN NE 1022 PM CDT FRI MAY 7 1993 ...SEVERE THUNDERSTORM WATCH UNTIL 400 PM FOR SOUTHEAST NEBRASKA... AT 1015 PM RADAR INDICATED A STRONG THUNDERSTORM 20 MILES SOUTHEAST OF BEATRICE...NEAR BARNESTON...MOVING NORTHEAST AT 30 MPH. THIS STORM WAS PART OF A LINE OF STRONG THUNDERSTORMS FROM 20 MILES NORTHEAST OF BEATRICE TO 20 MILES SOUTHEAST OF BEATRICE. A SPOTTER 6 MILES WEST OF TECUMSEH REPORTED PEA SIZE HAIL. PEOPLE SHOULD CONTINUE TO LISTEN TO NOAA WEATHER FOR THE LATEST STATEMENTS AND POSSIBLE WARNINGS IF REQUIRED. GROSSHANS
Special weather statement, May 7, 10:23 PM CDT, 17 minutes before
NEZ010-015-020-IAZ056-080-090-091-080430- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE OMAHA NE 1020 PM CDT FRI MAY 7 1993 ...SEVERE THUNDERSTORM WATCH IN EFFECT THROUGH 400 AM... WEATHER SERVICE RADAR AT 1015 PM INDICATED A LINE OF THUNDERSTORMS EXTENDING FROM NEAR SIOUX CITY IOWA SOUTWEST TO NEAR COLUMBUS NEBRASKA. A SECOND LINE EXTENDED FROM HARRISON COUNTY IN WESTERN IOWA SOUTHWEST TO JUST WEST OF DOWNTOWN OMAHA...AND CONTINUED SOUTHWEST TO BEATRICE. ALL STORMS WERE MOVING TOWARD THE NORTHEAST AT 35 MPH...AND WILL CONTINUE OVER MUCH OF EASTERN NEBRASKA AND MOVE INTO THE REMAINDER OF WESTERN IOWA THROUGH 1100 PM. THUNDERSTORMS MAY BE ACCOMPANIED BY GUSTY WINDS TO NEAR 50 MPH. ..SMALL HAIL...LOCALLY HEAVY RAIN...AND DANGEROUS LIGHTNING. WIND GUSTS TO NEAR 50 MPH AND PEA SEZED HAIL WERE REPORTED IN THE TOWN OF EAGLE IN CASS COUNTY AT 1010 PM. PLEASE SEEK SHELTER INDOORS IF THREATENING WEATHER APPROACHES. WERT
Nearby
Tornado Warnings in Nebraska, 1993Every tornado warning in 1993Tornadoes 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.