Alert archive / Nebraska / Severe Thunderstorm Warnings in 1986
Severe Thunderstorm Warning 86, NWS North Platte, NE
NWS North Platte, NE issued this severe thunderstorm warning at Jul 24, 1986, 10:47 PM CDT for Red Willow County, Nebraska. It was in force for 33 min. 1 report 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 24, 1986, 10:47 PM CDT (03:47 UTC)
- Expired
- Jul 24, 1986, 11:20 PM CDT
- In force
- 33 min
- Issued by
- NWS North Platte, NE
- Area
- Whole counties
County Red Willow 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 24, 10:49 PM CDT | Thunderstorm Wind 0 | Red Willow, 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 00:00Z, 3.8 hours before the alert went out and 107 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
- 669 J/kg
- Mixed-layer CIN
- -101 J/kg
- Mixed-layer LCL
- 1490 m above ground
- 0-6 km bulk shear
- 41 kt
- 0-1 km storm-relative helicity
- 39 m²/s²
- 0-3 km storm-relative helicity
- 87 m²/s²
- Significant tornado parameter
- 0.1
- Supercell composite
- 5.4
The text
As transmitted, in the capitals the NWS used until 2016.
000 TTAA00 KLBF 250347 SVRLBF NEC145-250437- BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE NORTH PLATTE NE 1047 PM CDT THU JUL 24 1986 THE NATIONAL WEATHER SERVICE HAS ISSUED A SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 1137 PM CDT FOR PEOPLE IN THE FOLLOWING COUNTY OF SOUTHWEST NEBRASKA...NORTHERN RED-WILLOW AT 1037 PM CDT RADAR INDICATED A SEVERE THUNDERSTORM 5 MILES NORTH OF MCCOOK NEBRASKA. MOVING TOWARD THE SOUTHEAST AT 30 MPH. THIS WARNING INCLUDES THE CITY OF MCCOOK. IF THREATENING WEATHER APPROACHES...GET TO A REINFORCED SHELTER AND PREPARE FOR STRONG DAMAGING WIND..LARGE HAIL..VERY HEAVY RAIN..AND DANGEROUS LIGHTNING. 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. SMALLFIELD 0344Z
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 24, 7:42 PM CDT, 3 hours 5 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE NORTH PLATTE NE 640 PM MDT THU JUL 24 1986 ...A LINE OF VERY STRONG THUNDERSTORMS WAS MOVING INTO WEST CENTRAL NEBRASKA... A LINE OF INTENSE THUNDERSTORMS EXTENDED FROM JUST WEST OF OGALLALA ON NORTHEAST TO 30 MILES NORTHWEST OF NORTHPLATTE AND WERE MOVING SOUTHEAST AT 30 MPH. THESE STORMS COULD PRODUCE HEAVY RAIN.. VERY STRONG WINDS AND HAIL BETWEEN 7 AND 9 PM MDT AS THEY MOVE ACROSS WEST CENTRAL NEBRASKA. CARPER
Local storm report, Jul 24, 9:38 PM CDT, 1 hour 9 minutes before
STORM REPORT
NATIONAL WEATHER SERVICE NORTH PLATTE NE
935 PM CDT THU JUL 24 1986
THE FOLLOWING IS A SUMMARY OF SEVERE WEATHER REPORTS IN SOUTHWEST
AND WEST CENTRAL NEBRASKA:
1820 CDT ASBY..VERY STRONG WINDS AND VERY HEAVY RAIN.
2025 CDT 3 MILES NORTH OF HERSHY.. 3/4 INCH HAIL.
2045 CDT 3 MILES WEST OF NORTH PLATTE..GOLF BALL SIZE HAIL.
2050 CDT 6 MILES SOUTHWEST LEE BIRD FIELD..3/4 INCH HAIL..HEAVY RAIN
40 TO 50 MPH WINDS.
CARPERLocal storm report, Jul 24, 10:08 PM CDT, 39 minutes before
STORM REPORT...UPDATE...
NATIONAL WEATHER SERVICE NORTH PLATTE NE
1005 PM CDT THU JUL 24 1986
THE FOLLOWING IS A SUMMARY OF SEVERE WEATHER REPORTS IN SOUTHWEST
AND WEST CENTRAL NEBRASKA:
620 PM CDT ASBY..VERY STRONG WINDS AND VERY HEAVY RAIN.
825 PM CDT 3 MILES NORTH OF HERSHY.. 3/4 INCH HAIL.
845 PM CDT 3 MILES WEST OF NORTH PLATTE..GOLF BALL SIZE HAIL.
850 PM CDT 6 MILES SOUTHWEST LEE BIRD FIELD..3/4 INCH HAIL..HEAVY RAIN
40 TO 50 MPH WINDS.
945 PM CDT HAYS CENTER...BRIEF GOLF SISE HAIL...HEAVY RAIN..
10 MPH WIND
NEWLANDThe office that day
Everything else NWS North Platte, NE issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 24, 8:03 PM CDT | Severe Thunderstorm Warning | LBF | Lincoln | 57 min |
Nearby
Severe Thunderstorm Warnings in Nebraska, 1986Every severe thunderstorm warning in 1986
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.