Alert archive / Nebraska / Tornado Warnings in 1987
Tornado Warning 1, NWS North Platte, NE
NWS North Platte, NE issued this tornado warning at May 17, 1987, 3:33 PM MDT for Keith County, Lincoln County, Nebraska. It was in force for 42 min.
The area
The counties it named.
The facts
- Issued
- May 17, 1987, 3:33 PM MDT (21:33 UTC)
- Expired
- May 17, 1987, 4:15 PM MDT
- In force
- 42 min
- Issued by
- NWS North Platte, NE
- Area
- Whole counties
Counties Keith County, NE, Lincoln 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
N. Platte/Lee Bi, NE (KLBF), launched 12:00Z, 9.6 hours before the alert went out and 51 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
- 43 J/kg
- Mixed-layer CIN
- -240 J/kg
- Mixed-layer LCL
- 1635 m above ground
- 0-6 km bulk shear
- 5 kt
- 0-1 km storm-relative helicity
- -17 m²/s²
- 0-3 km storm-relative helicity
- 10 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
000
TTAA00 KLBF 172133
TORLBF
NEC101-111-172215-
BULLETIN - EBS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE NORTH PLATTE NE
433 PM CDT SUN MAY 17 1987
THE NATIONAL WEATHER SERVICE HAS ISSUED A TORNADO WARNING
EFFECTIVE UNTIL 515 PM CDT FOR PEOPLE IN THE FOLLOWING COUNTIES...
IN SOUTHWEST NEBRASKA
...EASTERN KEITH...WESTERN LINCOLN
AT 430 PM CDT A TORNADO WAS REPORTED BY THE PUBLIC 5 MILES NORTHWEST
OF HERSHEY MOVING TO THE EAST AT 15 MILES AN HOUR. THIS WARNING
INCLUDES THE COMMUNITIES OF HERSHEY, PAXTON AND SUTHERLAND.
IF YOU ARE IN THE PATH OF A TORNADO...THE SAFEST PLACE IS A
BASEMENT. GET UNDER A WORKBENCH OR PIECE OF STURDY FURNITURE.
IF NO BASEMENT IS AVAILABLE...SEEK SHELTER IN AN INTERIOR ROOM
SUCH AS A CLOSET ON THE LOWEST FLOOR. USE BLANKETS...PILLOWS...
OR CUSHIONS TO COVER YOUR BODY. AVOID WINDOWS.
THIS IS A DANGEROUS STORM SITUATION. ACT QUICKLY. IF YOU ARE
IN THE PATH OF THIS TORNADO MOVE TO A SHELTER BELOW GROUND IF
AVAILABLE. OTHERWISE...GO TO A SMALL INTERIOR ROOM ON THE LOWEST
FLOOR POSSIBLE. AVOID WINDOWS. ABANDON CARS AND MOBILE HOMES
FOR A REINFORCED BUILDING OR GET INTO A DITCH OR CULVERT.
IF YOU LIVE IN A HOME OR APARTMENT...SEEK SHELTER IN THE
INNERMOST PORTION OF THE BUILDING ON THE LOWEST FLOOR. GET TO
A BASEMENT IF ONE IS AVAILABLE. AVOID WINDOWS AND PROTECT YOUR
BODY FROM FLYING DEBRIS WITH CUSHIONS...BLANKETS...OR PILLOWS.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 17, 2:17 PM MDT, 1 hour 16 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE NORTH PLATTE NE 315 PM CDT SUN MAY 17 1987 THUNDERSTORMS HAD DEVELOPED ACROSS NORTH CENTRAL NEBRASKA THIS AFTERNOON. AT 300 PM CDT STRONG THUNDERSTORMS HAD DEVELOPED IN NORTHEAST MCHPERSON COUNTY AND EXTENDED IN A LINE TO THE EAST ALONG NORTH LOGAN COUNTY. THE STRONGEST THUNDERSTORM WAS 10 MILES NORTHEAST OF TRYON NEBRASKA OR ABOUT 30 MILES NORTH OF NORTH PLATTE NEBRASKA. ALL THE THUNDERSTORMS WERE MOVING TO THE NORTHEAST AT 10 TO 15 MPH. BRIEF HEAVY RAINS AND GUSTY WINDS CAN BE EXPECTED IN THE VICINITY OF THE THUNDERSTORMS. A SLOW MOVING COLD FRONT WAS LOCATED ACROSS NORTH CENTRAL AND SOUTHWEST NEBRASKA THIS AFTERNOON. THUNDERSTORM9S ARE EXPECTED TO CONTINUE TO DEVELOP IN THE VICINITY OF THIS FRONT AS IT MOVES SLOWLY TO THE SOUTHEAST THE REMAINDER OF THIS AFTERNOON AND THIS EVENING. MEYER
Special weather statement, May 17, 2:48 PM MDT, 45 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE NORTH PLATTE NE 245 PM MDT SUN MAY 17 1987 THUNDERSTORMS CONTINUE TO DEVELOP ACROSS NORTH CENTRAL AND SOUTHWEST NEBRASKA THIS AFTERNOON. AT 240 PM MDT INTENSE THUNDERSTORMS HAD MOVED INTO EXTREME SOUTHWEST NEBRASKA IN THE COUNTIES OF CHASE AND DUNDY. THE STRONGEST THUNDERSTORM WAS 13 MILES WEST OF IMPERIAL NEBRASKA OR ABOUT 40 MILES SOUTHWEST OF OGALLALA NEBRASKA MOVING NORTHEAST AT 15 MPH. PERSONS IN THE VICINITY OF THESE THUNDERSTORMS CAN EXPECT HAIL...HEAVY RAINS...DANGEROUS LIGHTNING...AND GUSTY WINDS. THUNDERSTORMS ARE EXPECTED TO CONTINUE ACROSS PORTIONS OF NORTH CENTRAL AND SOUTHWEST NEBRASKA FOR THE REMAINDER OF THIS AFTERNOOYN AND THIS EVENING. MEYER
Nearby
Tornado Warnings in Nebraska, 1987Every tornado warning in 1987Tornadoes 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.