Alert archive / Nebraska / Tornado Warnings in 1987

Tornado Warning 1, NWS Omaha, NE

May 27, 1987Richardson County, Nebraska

NWS Omaha, NE issued this tornado warning at May 27, 1987, 4:40 PM CDT for Richardson County, Nebraska. It was in force for 30 min.

The area

The counties it named.

The facts

Issued: May 27, 1987, 4:40 PM CDT (21:40 UTC)
Expired: May 27, 1987, 5:10 PM CDT
In force: 30 min
Issued by: NWS Omaha, NE
Area: Whole counties

County Richardson County, NE

The radar

The WSR-88D network and its archive begin in 1991, so there is no radar volume for this alert.

The nearest sounding before it

Topeka, KS (KTOP), launched 12:00Z, 9.7 hours before the alert went out and 125 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.

Skew-T log-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.

Mixed-layer CAPE: 33 J/kg
Mixed-layer CIN: -171 J/kg
Mixed-layer LCL: 864 m above ground
0-6 km bulk shear: 30 kt
0-1 km storm-relative helicity: 297 m²/s²
0-3 km storm-relative helicity: 296 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.3

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

000 
TTAA00 KOMA 272140
TOROMA
NEC147-272210-

BULLETIN - IMMEDIATE BROADCAST REQUESTED/EBS ACTIVATION REQUESTED 
TORNADO WARNING
NATIONAL WEATHER SERVICE OMAHA NE
440 PM CDT WED MAY 27 1987

THE NATIONAL WEATHER SERVICE HAS ISSUED A TORNADO WARNING 
EFFECTIVE UNTIL 510 PM CDT FOR PEOPLE IN THE FOLLOWING COUNTY OF

SOUTHEAST NEBRASKA...EASTERN RICHARDSON

AT 510 PM A TORNADO WAS REPORTED BY A SPOTTER NEAR RESERVE KANSAS
MOVING NORTHEAST.  THIS TORNADO IS AN IMMEDIATE THREAT TO RULO
NEBRASKA.

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.

IF YOU ARE CAUGHT IN THE OPEN...TNRY TO HIDE IN A DEPRESSION LIKE
A DITCH OR CULVERT.

DAMAGE REPORTS OR OBSERVED SEVERE WEATHER SHOULD BE GIVEN TO A LAW
ENFORCEMENT AGENCY FOR RELAY TO THE NATIONAL WEATHER SERVICE.

POLLACK

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 27, 11:01 AM CDT, 5 hours 39 minutes before

STORM REPORT
NATIONAL WEATHER SERVICE OMAHA NE
1100 AM CDT WED MAY 27 1987

ATTN...SELS..DSM

DELAYED REPORTS FROM TUESDAY MAY 26 1987

410 PM CDT...(TIME APPROX) TREYNOR IOWA..POTTAWATTAMIE COUNTY.  BARN
          MOVED ABOUT 15 FEET OFF OF FOUNDATION AND TREES BLOWN
          DOWN BY STRONG WINDS.

430 PM CDT...(TIME APPROX) SHENANDOAH IOWA..PAGE COUNTY.  WIND
          DAMAGED ROOF OF AMERICAN LEGION COUNTRY CLUB.  TREES UPROOTED
          AND STREET LIGHTS KNOCKED DOWN.  BARN ALSO DAMAGED AT HIGHWAY
          2 AND CENTER STREET.  PUBLIC REPORTED A POSSIBLE FUNNEL CLOUD.

530 PM CDT...15 MILES SSE OF SHELBY IOWA AT LUND FARM IN PLEASANT
          TOWNSHIP..POTTAWATTAMIE COUNTY.  CIVIL DEFENSE REPORTED A
          POSSIBLE TORNADO TOUCHDOWN.  THREE OUTBUILDINGS DAMAGED.
          MINOR DAMAGE ALSO OCCURRED TO A MOBILE HOME AND SILO.

GW

Special weather statement, May 27, 3:53 PM CDT, 47 minutes before

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE OMAHA NE
350 PM CDT WED MAY 27 1987

SCATTERED SHOWERS AND THUNDERSTORMS WILL CONTINUE TONIGHT INTO
THURSDAY IN SOUTHEAST NEBRASKA AND SOUTHWEST IOWA.  SOME AREAS OF
HEAVY RAIN ARE POSSIBLE.

THE GROUND CONTINUES SATURATED AND CREEKS AND RIVERS RUNNING HIGH WITH
SOME STILL IN FLOOD FROM HEAVY RAINS THAT FELL SINCE TUESDAY MORNING.
ANY ADDITIONAL WIDESPREAD HEAVY RAINS WILL AGGREVATE CURRENT FLOODING
AND LIKELY RESULT IN OTHER RUNOFF PROBLEMS.

PEOPLE AREA ADVISED TO KEEP IN TOUCH WITH THE LATEST FORECASTS AND
WEATHER STATEMENTS TONIGHT INTO THURSDAY.  LITTLE CHANGE IN THE WEATHER
PATTERN IS EXPECTED THURSDAY NIGHT AND FRIDAY WITH A CONTINUED CHANCE
OF SHOWERS AND THUNDERSTORMS.

GW

Nearby

Tornado Warnings in Nebraska, 1987 Every tornado warning in 1987 Tornadoes in 1987

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.