Alert archive / Nebraska / Severe Thunderstorm Warnings in 1986

Severe Thunderstorm Warning 49, NWS Hastings, NE

July 11, 1986Adams County, Clay County, Nebraska

NWS Hastings, NE issued this severe thunderstorm warning at Jul 11, 1986, 10:30 PM CDT for Adams County, Clay County, Nebraska. It was in force for 60 min.

The area

The counties it named.

The facts

Issued
Jul 11, 1986, 10:30 PM CDT (03:30 UTC)
Expired
Jul 11, 1986, 11:30 PM CDT
In force
60 min
Issued by
NWS Hastings, NE
Area
Whole counties

Counties Adams County, NE, Clay 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, 3.5 hours before the alert went out and 183 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.

Skew-T log-pSkew-T log-p diagram, Omaha, NE at 00:00Z on 1986-07-12Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Omaha, NE at 00:00Z on 1986-07-12The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 46 square meters per square second.193958Sfc1 km3 km6 km9 kmRMLM
The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.
Mixed-layer CAPE
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
3578 m above ground
0-6 km bulk shear
35 kt
0-1 km storm-relative helicity
46 m²/s²
0-3 km storm-relative helicity
81 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

000 
TTAA00 KGRI 120330
SVRGRI
NEC001-035-120430-

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE GRAND ISLAND NE
1030 PM CDT FRI JUL 11 1986

THE NATIONAL WEATHER SERVICE HAS ISSUED A SEVERE THUNDERSTORM 
WARNING EFFECTIVE UNTIL 1130 PM CDT FOR PEOPLE IN THE FOLLOWING 
COUNTIES OF

SOUTH CENTRAL NEBRASKA...ADAMS AND CLAY

AT 1030 PM CDT A SEVERE THUNDERSTORM WAS 5 MILES SOUTH OF HASTINGS
NEBRASKA MOVING EAST AT 25 MPH.

 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.

JFD  RLT

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 11, 5:45 PM CDT, 4 hours 45 minutes before
SPECIAL WEATHER STATEMENT AND RADAR SUMMARY
NATIONAL WEATHER SERVICE GRAND ISLAND NE
530 PM CDT FRI JULY 11 1986

...SEVERE THUNDERSTORM WATCH FOR A LARGE PART OF SOUTH CENTRAL
   NEBRASKA AND A PART OF NORTH CENTRAL KANSAS UNTIL 1000 PM CDT...

AT 530 PM CDT AN AREA OF WIDELY SCATTERED THUNDERSTORMS WAS MOVING EAST
AT 30 MILES AN HOUR ACROSS WESTERN AND WEST CENTRAL AREAS OF NEBRASKA.
THE STRONGEST OF THESE THUNDERSTORMS WAS 50 MILES NORTHEAST OF NORTH
PLATTE...10 MILES NORTHWEST OF BROKEN BOW.  AS THIS STORM CROSSED ARNOLD
NEBRASKA...IT HAD MARBLE SIZE HAIL AND STRONG WINDS.  ANOTHER STRONG
THUNDERSTORM IN THE SAME VICINITY WAS 10 MILES EAST OF BROKEN BOW.
OTHER THUNDERSHOWERS WERE FROM 10 TO 30 MILES EAST OF MULLEN...AND 30
MILES EAST OF IMPERIAL IN SOUTHWEST NEBRASKA.
OTHER THUNDERSTORMS WERE IN A SMALL AREA OF NORTHWEST KANSAS...MOVING
EAST AT 30 MILES AN HOUR.  THE STRONGEST OF THESE STORMS WAS 35 MILES
WEST OF HILL CITY.
JFD
Special weather statement, Jul 11, 6:46 PM CDT, 3 hours 44 minutes before
SPECIAL WEATHER STATEMENT AND RADAR SUMMARY
NATIONAL WEATHER SERVICE GRAND ISLAND NE
630 PM CDT FRI JULY 11 1986

...SEVERE THUNDERSTORM WATCH FOR A LARGE PART OF SOUTH CENTRAL
   NEBRASKA AND A PART OF NORTH CENTRAL KANSAS UNTIL 1000 PM CDT...

AT 630 PM CDT A SMALL AREA OF STRONG THUNDERSTORMS WAS MOVING ACROSS
NORTHERN SECTIONS OF CENTRAL NEBRASKA.  THESE WERE 15 MILES WIDE AND
EXTENDED FROM 40 MILES NORTHWEST OF GRAND ISLAND TO 45 MILES SOUTHWEST
OF ONEILL.  THESE THUNDERSTORMS WERE MOVING EAST NORTHEAST AT 25 MILES
AN HOUR.  AS THE STRONGEST OF THESE STORMS PASSED JUST NORTH OF BURWELL
HEAVY RAINS FELL AND PEA SIZE HAIL COVERED THE GROUND.
ANOTHER VERY STRONG THUNDERSTORM WAS 25 MILES EAST OF MULLEN IN WEST
CENTRAL NEBRASKA.  THIS STORM HAD BEEN INCREASING IN INTENSITY AS IT
MOVED SOUTHEAST AT 25 MILES AN HOUR AND WILL BE IN THE BROKEN BOW
VICINITY BY 730 PM CDT.
OTHER THUNDERSTORMS WERE IN A SMALL AREA OF NORTHWEST KANSAS...MOVING
EAST AT 25 MILES AN HOUR.  THIS AREA WAS 40 MILES IN DIAMETER WITH THE
STRONGEST STORM IN THE HILL CITY VICINITY.
Special weather statement, Jul 11, 7:43 PM CDT, 2 hours 47 minutes before
SPECIAL WEATHER STATEMENT AND RADAR SUMMARY
NATIONAL WEATHER SERVICE GRAND ISLAND NE
730 PM CDT FRI JULY 11 1986

...SEVERE THUNDERSTORM WATCH FOR A LARGE PART OF SOUTH CENTRAL
   NEBRASKA AND A PART OF NORTH CENTRAL KANSAS UNTIL 1000 PM CDT...

AT 730 PM CDT A SMALL BUT INTENSE AREA OF THUNDERSTORMS WAS MOVING INTO
NORTHWEST SECTIONS PF CENTRAL NEBRASKA.  THE AREA WAS 40 MILES IN
DIAMETER AND CENTERED 20 MILES NORTH OF BROKEN BOW.  IT WAS MOVING SOUTH-
EAST AT 30 MILES AN HOUR WITH ONE STORM MOVING ACROSS BROKEN BOW AROUND
800 PM THIS EVENING.
ANOTHER STRONG THUNDERSTORM WAS 15 MILES WEST OF NORTH PLATTE IN WESTERN
NEBRASKA.  IT TOO WAS MOVING SOUTHEAST AT 30 MILES AN HOUR AND HAD BEEN
INTENSIFYING.
OTHER INTENSE THUNDERSTORMS WERE SCATTERED ABOUT NORTHWEST KANSAS.  THESE
WERE IN AN AREA 25 MILES WIDE THAT STRETCHED FROM 50 MILES NORTHEAST OF
HILL CITY TO 45 MILES SOUTH SOUTHWEST OF HILL CITY.  THESE STORMS WERE
MOVING 2EAST AT 25 MILES AN HOUR.
JFD
Special weather statement, Jul 11, 8:55 PM CDT, 1 hour 35 minutes before
SPECIAL WEATHER STATEMENT AND RADAR SUMMARY
NATIONAL WEATHER SERVICE GRAND ISLAND NE
845 PM CDT FRI JULY 11 1986

...SEVERE THUNDERSTORM WATCH FOR A LARGE PART OF SOUTH CENTRAL
   NEBRASKA AND A PART OF NORTH CENTRAL KANSAS UNTIL 1000 PM CDT...

AT 845 PM CDT A SPRAWLING AREA OF SCATTERED INTENSE THUNDERSTORMS WAS IN
CENTRAL AND WESTERN NEBRASKA AND NORTH CENTRAL KANSAS.  THE AREA WAS 115
MILES WIDE STRETCHING WEST OF A LINE FROM 25 MILES SOUTHEAST OF AINSWORTH
TO NEAR ORD TO 35 MILES SOUTH OF HASTINGS NEBRASKA.  THE STRONG THUNDER-
STORMS WERE...25 MILES SOUTHEAST OF AINSWORTH...5 MILES NORTH OF ORD...
10 TO 15 MILES EAST AND SOUTHEAST OF BROKEN BOW...IN THE HOLDREDGE
VICINITY...10 MILES SOUTH OF NORTH PLATTE...AND ALONG THE KANSAS NEBRASKA
BORDER...SOUTH OF HASTINGS...ALL IN NEBRASKA AND IN KANSAS...50 MILES
NORTHEAST OF HILL CITY.  ALL THESE INTENSE THUNDERSTORMS WERE MOVING EAST
SOUTHEAST AT 25 MILES AN HOUR.  MOST OF qTHESE STORMS HAVE HAD PEA TO
MARBLE SIZE HAIL AND HEAVY RAINS AS THEY PASSED AND THE STORM JUST SOUTH
OF NORTH PLATTE NEBRASKA HAD A FUNNEL CLOUD ASSOCIATED WITH IT.
JFD
Special weather statement, Jul 11, 9:45 PM CDT, 45 minutes before
SPECIAL WEATHER STATEMENT AND RADAR SUMMARY
NATIONAL WEATHER SERVICE GRAND ISLAND NE
935 PM CDT FRI JULY 11 1986

...SEVERE THUNDERSTORM WATCH FOR A LARGE PART OF SOUTH CENTRAL
   NEBRASKA AND A PART OF NORTH CENTRAL KANSAS UNTIL 1000 PM CDT...

AT 935 PM CDT SCATTERED INTENSE THUNDERSTORMS CONTINUED ACROSS A LARGE
PORTION OF CENTRAL AND INTO WESTERN NEBRASKA AND PART OF NORTH CENTRAL
KANSAS.  THE AREA OF STORMS WAS WEST OF A LINE FROM ONEILL TO 15 MILES
WEST OF COLUMBUS TO 20 MILES WEST OF FAIRBURY IN NEBRASKA.  IT EXTENDED
WEST FOR ABOUT 150 MILES.  IN KANSAS...THE AREA OF STRONG THUNDERSTORMS
WAS 40 MILES WIDE STRETCHING FROM 40 MILES NORTH OF CONCORDIA TO 40 MILES
SOUTH SOUTHWEST OF HILL CITY.  ALL THE THUNDERSTORMS WERE MOVING EAST AT
25 MILES AN HOUR.
THE MOST INTENSE THUNDERSTORMS WERE IN NEBRASKA...25 MILES WEST OF
COLUMBUS...15 MILES SOUTHWEST OF HASTINGS...FROM 45 TO 80 MILES WEST
SOUTHWEST OF GRAND ISLAND...AND\ 25 MILES WEST OF FAIRBURY.  ALL OF THESE
STORMS HAD PRODUCED HEAVY RAINS AND PEA TO MARBLE SIZE HAIL.
JFD
Special weather statement, Jul 11, 9:46 PM CDT, 44 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE GRAND ISLAND NE
847 PM CDT FRI JULY 11 1986

A LINE OF INTENSE THUNDERSTORMS EXTENDED FROM WEST OF GRAND ISLAND
THROUGH THE NORTHEAST.  IT WAS MOVING RAPIDLY SOUTHEASTWARD.  AT 845 NO
SEVERE WEATHER HAD BEEN REPORTED IN THE LOCAL AREA...BUT RESIDENTS
SHOULD REMAIN ALERT FOR THE POSSIBILITY OF SEVERE THUNDERSTORMS
DEVELOPING ABRUPTLY.  PLEASE LISTEN TO LOCAL RADIO...TELEVISION...OR
NATIONAL WEATHER jSERVICE RADIO FOR THE LATEST WARNINGS OR ADVISORIES.

The office that day

Everything else NWS Hastings, NE issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Jul 11, 10:11 PM CDTSevere Thunderstorm WarningGIDHall, Hamilton49 min
Jul 12, 12:14 AM CDTSevere Thunderstorm WarningGIDThayer46 min
Jul 12, 2:41 AM CDTSevere Thunderstorm WarningGIDSherman, Valley54 min
Jul 12, 3:11 AM CDTSevere Thunderstorm WarningGIDGreeley, Howard, Merrick, Nance59 min
Jul 12, 4:17 AM CDTSevere Thunderstorm WarningGIDHamilton, Polk, York43 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; the sounding from the Mesonet's radiosonde archive.