Alert archive / Nebraska / Severe Thunderstorm Warnings in 1987

Severe Thunderstorm Warning 20, NWS Hastings, NE

June 27, 1987Furnas County, Harlan County, Phelps County, Nebraska

NWS Hastings, NE issued this severe thunderstorm warning at Jun 27, 1987, 11:05 PM CDT for Furnas County, Harlan County, Phelps County, Nebraska. It was in force for 55 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
Jun 27, 1987, 11:05 PM CDT (04:05 UTC)
Expired
Jun 28, 1987, 12:00 AM CDT
In force
55 min
Issued by
NWS Hastings, NE
Area
Whole counties

Counties Furnas County, NE, Harlan County, NE, Phelps 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

TimeReportWhereRemark
Jun 27, 11:15 PM CDTThunderstorm Wind 0Furnas, 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, 4.1 hours before the alert went out and 127 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, N. Platte/Lee Bi, NE at 00:00Z on 1987-06-28Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1847 joules per kilogram.LCLLFCEL10008507005003002001001 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, N. Platte/Lee Bi, NE at 00:00Z on 1987-06-28The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 59 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
1847 J/kg
Mixed-layer CIN
-110 J/kg
Mixed-layer LCL
1834 m above ground
0-6 km bulk shear
52 kt
0-1 km storm-relative helicity
59 m²/s²
0-3 km storm-relative helicity
306 m²/s²
Significant tornado parameter
0.3
Supercell composite
10.8

Open this sounding in Storm Lab

The text

The text of this product is not in the archive. The NWS text archive before 2002 is incomplete.

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, Jun 27, 7:46 PM CDT, 3 hours 19 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE GRAND ISLAND NE
745 PM CDT SAT JUN 27 1987

...SEVERE THUNDERSTORM WATCH FOR PARTS OF WESTERN AND CENTRAL NEBRASKA
    UNTIL 100 AM CDT...

...VERY HEAVY THUNDERSTORMS ACROSS PORTIONS OF NORTH CENTRAL NEBRASKA
EXTENDING INTO WEST CENTRAL NEBRASKA...

AT 730 PM CDT A 20 MILE WIDE BAND OF VERY HEAVY THUNDERSTORMS EXTENDED
FROM JUST SOUTH OF VALENTINE IN NORTH CENTRAL NEBRASKA TO 40 MILES WEST
NORTHWEST OF NORTH PLATTE.  THE THUNDERSTORMS WERE MOVING TO THE
SOUTHEAST AT 25 MILES AN HOUR AND WERE CAPABLE OF PRODUCING VERY HEAVY
RAINS...STRONG GUSTY WINDS...AND LARGE HAIL.  THE MOST INTENSE
THUNDERSTORM WAS LOCATED ABOUT 10 MILES TO THE WEST OF MULLEN IN
NORTH CENTRAL NEBRASKA.

JMK
Special weather statement, Jun 27, 8:42 PM CDT, 2 hours 23 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE GRAND ISLAND NE
840 PM CDT SAT JUN 27 1987

...SEVERE THUNDERSTORM WATCH FOR PARTS OF WESTERN AND CENTRAL NEBRASKA
    UNTIL 100 AM CDT...

...VERY HEAVY THUNDERSTORMS ACROSS PORTIONS OF NORTH CENTRAL NEBRASKA
EXTENDING INTO WEST CENTRAL NEBRASKA...

AT 830 PM CDT A 30 MILE WIDE BAND OF VERY HEAVY THUNDERSTORMS WERE
LOCATED IN WEST CENTRAL NEBRASKA.  THESE THUNDERSTROMS EXTENDED FROM
JUST WEST OF BROKEN BOW TO 40 MILES NORTHWEST OF IMPERIAL.  AN ISOLATED
VERY HEAVY THUNDERSTORM WAS LOCATED IN NORTH CENTRAL NEBRASKA JUST TO
SOUTHEAST OF AINWORTH.  THIS THUNDERSTORM PRODUCED PEA SIZED HAIL AND
BRIEF HEAVY RAIN AS IT PASSED THROUGH AIN\SWORTH SHORTLY AFTER 800 PM
CDT.  ALL THE THUNDERSTORMS WERE MOVING TO THE SOUTH SOUTHEAST AT 30
MILES AN HOUR AND WERE CAPABLE OF PRODUCING VERY HEAVY RAIN...STRONG
GUSTY WINDS...AND LARGE HAIL.
JMK

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 27, 9:11 PM CDTSevere Thunderstorm WarningGIDBuffalo64 min
Jun 27, 11:31 PM CDTTornado WarningGIDNuckolls, Webster29 min
Jun 28, 5:51 PM CDTSevere Thunderstorm WarningGIDGreeley, Nance69 min
Jun 28, 6:05 PM CDTTornado WarningGIDNance25 min
Jun 28, 6:43 PM CDTSevere Thunderstorm WarningGIDNance62 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.