Alert archive / Nebraska / Severe Thunderstorm Warnings in 1987
Severe Thunderstorm Warning 84, NWS North Platte, NE
NWS North Platte, NE issued this severe thunderstorm warning at Sep 14, 1987, 9:24 PM CDT for Madison County, Nebraska. It was in force for 66 min.
The area
The counties it named.
The facts
- Issued
- Sep 14, 1987, 9:24 PM CDT (02:24 UTC)
- Expired
- Sep 14, 1987, 10:30 PM CDT
- In force
- 66 min
- Issued by
- NWS North Platte, NE
- Area
- Whole counties
County Madison 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
Omaha, NE (KOAX), launched 00:00Z, 2.4 hours before the alert went out and 122 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
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 3639 m above ground
- 0-6 km bulk shear
- 36 kt
- 0-1 km storm-relative helicity
- 119 m²/s²
- 0-3 km storm-relative helicity
- 113 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 KOFK 150224 SVROFK NEC119-150330- BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE NORFOLK NE 924 PM CDT MON SEP 14 1987 THE NATIONAL WEATHER SERVICE HAS ISSUED A SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 1030 PM CDT FOR PEOPLE IN THE FOLLOWING COUNTY OF NORTHEAST NEBRASKA...MADISON AT 920 PM CDT A SEVERE THUNDERSTORM WAS LOCATED JUST TO THE SOUTH OF NORFOLK AND MOVING NORTH AT 15 MPH. REMEMBER...SEVNERE THUNDERSTORMS CAN PRODUCE DEADLY WINDS IN EXCESS OF 75 MPH...LARGE HAIL...KILLER LIGHTNING...AND TORRENTIAL RAINS THAT CAN QUICKLY FLOOD A LOW LYING AREA.
What forecasters said that day
The local office's own words before this severe thunderstorm 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, Sep 14, 5:37 PM CDT, 3 hours 47 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE NORTH PLATTE NE 430 PM MDT MON SEP 14 1987 THUNDERSTORMS WERE PRODUCING HEAVY RAINS OVER SOUTHWEST NEBRASKA THIS AFTERNOON. AT 425 PM MDT VERY STRONG THUNDERSTORMS WERE IN CENTRAL PERKINS AND NORTHWEST HAYES COUNTIES OF SOUTHWEST NEBRASKA. ONE VERY STRONG THUNDERSTORM WAS 10 MILES NORTHEAST OF GRANT NEBRASKA. ANOTHER VERY STRONG THUNDERSTORM WAS 15 MILES NORTHWEST OF HAYES CENTER NEBRASKA. THAT WOULD PLACE THESE THUNDERSTORMS 40 TO 45 MILES SOUTHWEST OF NORTH PLATTE NEBRASKA. ALL THUNDERSTORMS WERE MOVING SLOWLY EAST AT 10 MILES AN HOUR. THIS MEANS THE THUNDERSTORMS WILL BE DUMPING SOME VERY HEAVY RAINS BEFORE MOVING ON. NOT MUClH FOR HAIL IS EXPECTED BUT BRIEF GUSTY WINDS CAN BE EXPECTED IN THE VICINITY OF THE THUNDERSTORMS. THUNDERSTORMS AND SHOWERS WILL CONTINUE TONIGHT ACROSS MUCH OF SOUTHWEST AND CENTRAL NEBRASKA. MEYER
Special weather statement, Sep 14, 6:36 PM CDT, 2 hours 48 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE NORTH PLATTE NE 530 PM MDT MON SEP 14 1987 VERY STRONG THUNDERSTORMS CONTINUED ACROSS SOUTHWEST NEBRASKA THIS EVENING. AT 525 PM MDT A LINE OF VERY STRONG THUNDERSTORMS HAD FORMED IN CENTRAL KEITH COUNTY EXTENDING INTO EAST PERKINS AND SOUTHWEST LINCOLN COUNTIES. ALL COUNTIES ARE IN SOUTHWEST NEBRASKA. THIS LINE OF VERY STRONG THUNDERSTORMS EXTENDED FROM 30 MILES NORTHWEST OF NORTH PLATTE NEBRASKA TO 30 MILES SOUTHWEST OF NORTH PLATTE. ALL THUNDERSTORMS IN THE LINE WERE MOVING SLOWLY EAST AT 10 MILES AN HOUR. AT 455 PM MDT GRANT NEBRASKA IN PERKINS COUNTY REPORTED 1 3/4 INCH OF RAIN IN JUST HALF AN HOUR ALONG WITH A SMALL AMOUNT OF PEA SIZE HAIL. THE RAIN HAD ENDED AT GRANT AT THE TIME OF THE REPORT. THUNDERSTORMS ARE EXPECTED TO CONTINUE TONIGHT ACROSS MUCH OF SOUTHWEST AND CENTRAL NEBRASKA. DUE TO THE SLOW MOVEMENT VERY HEAVY RAINS CAN BE EXPECTED. THUNDERSTORMS MAY PICK UP SPEED LATER TONIGHT SO GUSTY WINDS COULD DEVELOP ON THE LEADING EDGE OF THE THUNDERSTORMS. THE POSSIBILITY OF THIS DEVELOPEMENT IS BEING WATCHED CLOSELY. TRAVELERS IN SOUTHWEST NEBRASKA SHOULD REMAIN ALERT TO THE LOCALLY HEAVY RAINS AS SOME DITCHES AND ROADWAYS COULD BECOME FLOODED FOR SHORT PERIODS OF TIME. MEYER
Special weather statement, Sep 14, 7:30 PM CDT, 1 hour 54 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE NORTH PLATTE NE 730 PM CDT MON SEP 14 1987 VERY STRONG THUNDERSTORMS CONTINUED ACROSS SOUTHWEST NEBRASKA THIS EVENING. AT 725 PM CDT A VERY STRONG THUNDERSTORM WAS 4 MILES NORTHEAST OF PAXTON NEBRASKA IN EXTREME EAST KEITH COUNTY. THIS SAME THUNDERSTORM WOULD BE 30 MILES WEST OF NORTH PLATTE NEBRASKA. A CLUSTER OF THUNDERSTORMS WAS IN SOUTH CENTRAL LINCOLN COUNTY 10 MILES SOUTHWEST OF NORTH PLATTE NEBRASKA. ALL THUNDERSTORMS WERE MOVING EAST AT 10 MILES AN HOUR. THUNDERSTORMS ARE EXPECTED TO CONTINUE TONIGHT ACROSS MUCH OF SOUTHWEST AND CENTRAL NEBRASKA. DUE TO THE SLOW MOVEMENT VERY HEAVY RAINS CAN BE EXPECTED. TRAVELERS IN SOUTHWEST NEBRASKA SHOULD REMAIN ALERT TO THE LOCALLY HEAVY RAINS AS SOME DITCHES AND ROADWAYS COULD BECOME FLOODED FOR SHORT PERIODS OF TIME. MEYER
Nearby
Severe Thunderstorm Warnings in Nebraska, 1987Every severe thunderstorm warning 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.