Alert archive / Nebraska / Severe Thunderstorm Warnings in 1987
Severe Thunderstorm Warning 49, NWS North Platte, NE
NWS North Platte, NE issued this severe thunderstorm warning at Jul 10, 1987, 5:57 PM MDT for Cherry County, Nebraska. It was in force for 3 hr. 2 reports came from inside the area while it was in force.
The area
The counties it named, with what was reported inside it.
The facts
- Issued
- Jul 10, 1987, 5:57 PM MDT (23:57 UTC)
- Expired
- Jul 10, 1987, 8:55 PM MDT
- In force
- 3 hr
- Issued by
- NWS North Platte, NE
- Area
- Whole counties
County Cherry County, NE
The radar
The WSR-88D network and its archive begin in 1991, so there is no radar volume for this alert.
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Jul 10, 6:05 PM MDT | Hail 0.75 | Cherry, NE | |
| Jul 10, 6:30 PM MDT | Hail 0.75 | Cherry, NE |
NCEI Storm Data entries that began inside the alert's area while it was in force. Before 2003 the local storm report archive is thin, so this is the record of what happened rather than what was phoned in. Storm Data before 1996 records only tornadoes, thunderstorm wind and hail.
The nearest sounding before it
N. Platte/Lee Bi, NE (KLBF), launched 12:00Z, 12.0 hours before the alert went out and 163 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
- 1772 J/kg
- Mixed-layer CIN
- -474 J/kg
- Mixed-layer LCL
- 1524 m above ground
- 0-6 km bulk shear
- 23 kt
- 0-1 km storm-relative helicity
- 104 m²/s²
- 0-3 km storm-relative helicity
- 83 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 KBFF 110157 SVRVTN NEC031-110255- BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE VALENTINE NE ISSUED BY SCOTTSBLUFF NE 757 PM MDT FRI JUL 10 1987 THE NATIONAL WEATHER SERVICE HAS ISSUED A SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 855 PM MDT FOR PEOPLE IN THE FOLLOWING COUNTY OF NORTH CENTRAL NEBRASKA...EASTERN CHERRY AT 750 PM MDT SEVERE THUNDERSTORMS WERE 17 MILES SOUTHWEST AND 38 MILES SOUTHWEST OF VALENTINE NEBRASKA MOVING EAST AT 30 MPH. SEVERE THUNDERSTORMS PRODUCE LARGE HAIL...GREATER THAN 3/4 INCH IN DIAMETER...DAMAGING WINDS AND VERY HEAVY RAINS THAT CAN QUICKLY FLOOD A LOW LYING AREA. REPORTS OF SEVERE WEATHER OR DAMAGE CAN BE GIVVEN TO A LAW ENFORCEMENT AGENCY FOR RELAY TO THE NATIONAL WEATHER SERVICE. PERSONS DRIVING IN THE WARNED AREA SHOULD WATCH OUT FOR WATER OVER ROADS...IN UNDERPASSES AND NEAR SMALL STREAMS. KARR
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 10, 4:28 PM MDT, 1 hour 29 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE NORTH PLATTE NE 425 PM MDT FRI JUL 10 1987 STRONG THUNDERSTORMS WERE DEVELOPING IN SOUTHWEST NEBRASKA THIS AFTERNOON. AT 420 PM MDT STRONG THUNDERSTORMS HAD JUST DEVELOPED IN SOUTH CENTRAL KEITH COUNTY OF SOUTHWEST NEBRASKA. THE STRONG THUNDERSTORMS WERE 7 MILES SOUTHEAST OF OGALLALA NEBRASKA WHICH IS IN CENTRAL KEITH COUNTY. NO THUNDERSTORM MOVEMENT HAD YET BEEN DETERMINED DUE TO BEING NEWLY DEVELOPED. LISTEN FOR LATER STATEMENTS WHEN EXACT MOVEMENT HAS BEEN DETERMINED. PERSONS IN SOUTHWEST KEITH COUNTY CAN ALREADY LOOK FOR DANGEROUS LIGHTNING...HEAVY RAINS AND BRIEF GUSTY WINDS AS THESE THUNDERSTORMS CONTINUE TO DEVELOP DURING THE AFTERNOON HOURS. MEYER
Special weather statement, Jul 10, 5:29 PM MDT, 28 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE NORTH PLATTE NE 625 PM CDT FRI JUL 10 1987 STRONG THUNDERSTORMS CONTINUED ACROSS SOUTHWEST NEBRASKA THIS AFTERNOON. AT 620 PM CDT A STRONG THUNDERSTORM WAS IN EXTREME NORTHWEST LINCOLN COUNTY OF SOUTHWEST NEBRASKA. THE STRONG THUNDERSTORM WAS 25 MILES NORTHWEST OF NORTH PLATTE NEBRASKA MOVING NORTHEAST AT 20 MILES AN HOUR. OTHER WEAKER THUNDERSTORMS WERE SCATTERED BETWEEN OGALLALA AND PAXTON IN KEITH COUNTY ALSO IN SOUTHWEST NEBRASKA. THESE WEAKER THUNDERSTORMS WERE ALSO MOVING NORTHEAST AT 20 MILES AN HOUR. ANOTHER STRONG THUNDERSTORM HAD DEVELOPED IN NORTHWEST RED-WILLOW COUNTY IN SOUTHWEST NEBRASKA. THIS STRONG THUNDERSTORM WAS 7 MILES NORTHWEST OF MCCOOK NEBRASKA ALSO MOVING NORTHEAST AT 20 MILES AN HOUR. PEOPLE IN PARTS OF SOUTHWEST NEBRASKA CAN EXPECT DANGEROUS LIGHTNING...SMALL HAIL...LOCALLY HEAVY RAIN AND BRIEF GUSTY WINDS AS THESE THUNDERSTORMS MOVE ACROSS THE REGION DURING THE AFTERNOON AND EVENING HOURS. MEYER
The office that day
Everything else NWS North Platte, NE issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 9, 6:12 PM MDT | Severe Thunderstorm Warning | LBF | Dundy, Hitchcock | 63 min |
| Jul 9, 6:12 PM MDT | Severe Thunderstorm Warning | LBF | Lincoln | 63 min |
| Jul 9, 6:35 PM MDT | Severe Thunderstorm Warning | LBF | Cherry | 40 min |
| Jul 9, 6:47 PM MDT | Severe Thunderstorm Warning | LBF | Grant, Hooker | 58 min |
| Jul 9, 7:00 PM MDT | Severe Thunderstorm Warning | LBF | Cherry | 15 min |
| Jul 9, 7:04 PM MDT | Severe Thunderstorm Warning | LBF | Dundy, Hitchcock | 56 min |
| Jul 9, 7:04 PM MDT | Severe Thunderstorm Warning | LBF | Custer, Lincoln | 56 min |
| Jul 9, 7:15 PM MDT | Severe Thunderstorm Warning | LBF | Cherry | 45 min |
| Jul 9, 8:48 PM MDT | Tornado Warning | LBF | Rock | 27 min |
| Jul 10, 12:43 AM MDT | Severe Thunderstorm Warning | LBF | Holt | 62 min |
| Jul 10, 5:15 PM MDT | Severe Thunderstorm Warning | LBF | Cherry | 115 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; verification from NCEI's Storm Data; the sounding from the Mesonet's radiosonde archive.