Alert archive / Nebraska / Severe Thunderstorm Warnings in 1987
Severe Thunderstorm Warning 38, NWS North Platte, NE
NWS North Platte, NE issued this severe thunderstorm warning at Jul 9, 1987, 5:51 PM MDT for Grant County, Hooker County, Nebraska. It was in force for 54 min.
The area
The counties it named.
The facts
- Issued
- Jul 9, 1987, 5:51 PM MDT (23:51 UTC)
- Expired
- Jul 9, 1987, 6:45 PM MDT
- In force
- 54 min
- Issued by
- NWS North Platte, NE
- Area
- Whole counties
Counties Grant County, NE, Hooker 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, 11.9 hours before the alert went out and 112 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
- 2021 m above ground
- 0-6 km bulk shear
- 12 kt
- 0-1 km storm-relative helicity
- 55 m²/s²
- 0-3 km storm-relative helicity
- 125 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 092351 SVRLBF NEC075-091-100045- BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE NORTH PLATTE NE 551 PM MDT THU JUL 9 1987 THE NATIONAL WEATHER SERVICE HAS ISSUED A SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 645 PM MDT FOR PEOPLE IN THE FOLLOWING COUNTIES OF NORTH CENTRAL NEBRASKA...GRANT AND HOOKER AT 545 PM MDT A SEVERE THUNDERSTORM WAS JUST SOUTH OF HYANNIS NEBRASKA IN CENTRAL GRANT COUNTY. THE SEVERE THUNDERSTORM WAS MOVING NORTHEAST AT 25 MILES AN HOUR. THAT WOULD PUT THE SEVERE THUNDERSTORM ABOUT 45 MILES NORTH OF OGALLALA NEBRASKA. IF THREATENING WEATHER APPROACHES...GET TO A REINFORCED SHELTER AND PREPARE FOR STRONG DAMAGING WIND...LARGE HAIL...VERY HEAVY RAIN AND DANGEROUS LIGHTNING. REMEMBER...THESE STORMS CAN AND OCCASIONALLY DO PRODUCE A TORNADO WITH LITTLE OR NO ADVANCE WARNING...SO BE ON THE LOOKOUT!! REPORTS OF SEVERE WEATHER OR DAMAGE CAN BE GIVEN TO A LAW ENFORCEMENT AGENCY FOR RELAY TO THE NATIONAL WEATHER SERVICE. SEVERE THUNDERSTORMS PRODUCE DAMAGING WINDS IN EXCESS OF 60 MPH... LARGE HAIL GREATER THAN 3/4 INCH IN DIAMETER...DEADLY LIGHTNING AND VERY HEAVY RAIN THAT CAN FLOOD A LOW LYING AREA QUICKLY.@ A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT FOR MUCH OF SOUTHWEST
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, Jul 9, 3:55 PM MDT, 1 hour 56 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE NORTH PLATTE NE 455 PM CDT THU JUL 09 1987 A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT FOR SOUTHWEST AND MUCH OF CENTRAL NEBRASKA UNTIL 11 PM CDT...OR 10 PM MDT. AT 450 PM CDT A FEW THUNDERSTORMS WERE LOCATED ON THE NEBRASKA- COLORADO BORDER WEST OF GRANT...IMPERIAL AND BENKLEMAN. AS YET...NO SEVERE THUNDERSTORMS HAVE BEEN REPORTED BUT THE WATCH CONTINUES... BRITTON
Special weather statement, Jul 9, 5:04 PM MDT, 47 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE NORTH PLATTE NE 5PM MDT THU JUL 09 1987 A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT FOR SOUTHWEST AND MUCH OF CENTRAL NEBRASKA UNTIL 11 PM CDT...OR 10 PM MDT. AT 450 PM MDT SHOWERS AND THUNDERSTORMS CONTINUED TO MOVE INTO SOUTHWEST AND NORTHCENTRAL NEBRASKA WITH THE HEAVIEST STORMS JUST NORTHWEST OF OGALLALA NEBRASKA AND NEAR VENANGO NEBRASKA WHICH IS 65 MILES SOUTHWEST OF NORTH PLATTE NEBRASKA. THESE STORMS WERE MOVING NORTHEAST AT 20 MPH AND COULD PRODUCE STRONG WINDS...HAIL AND HEAVY RAIN AS THEY CONTINUE TO MOVE ACROSS OUR REGION DURING NEXT FEW HOURS. CARPER
Special weather statement, Jul 9, 5:17 PM MDT, 34 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE VALENTINE NE 605 PM CDT THU JUL 9 1987 AT 555 PM CDT RADAR INDICATED A LINE OF STRONG THUNDERSTORMS EXTENDING FROM 50 MILES SOUTH OF PHILLIP SOUTH DAKOTA TO JUST NORTHWEST OF VALENTINE NEBRASKA. THESE THUNDERSTORMS WERE MOVING SOUTHEAST AT 20 MPH. BRIEF HEAVY RAIN...STRONG GUSTY WINDS...DANGERIOUS LIGHTNING AND HAIL ARE POSSIBLE WITH THESE STORMS...WHICH WILL BE OVER NORTHEAST CHERRY COUNTY OF NORTH CENTRAL NEBRASKA UNTIL 730 PM CDT THIS EVENING. RODDA
The office that day
Everything else NWS North Platte, NE issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 9, 5:20 PM MDT | Severe Thunderstorm Warning | LBF | Cherry | 40 min |
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.