Alert archive / Nebraska / Severe Thunderstorm Warnings in 1987

Severe Thunderstorm Warning 41, NWS North Platte, NE

July 9, 1987Cherry County, Nebraska

NWS North Platte, NE issued this severe thunderstorm warning at Jul 9, 1987, 6:35 PM MDT for Cherry County, Nebraska. It was in force for 40 min.

The area

The counties it named.

The facts

Issued
Jul 9, 1987, 6:35 PM MDT (00:35 UTC)
Expired
Jul 9, 1987, 7:15 PM MDT
In force
40 min
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.

The nearest sounding before it

N. Platte/Lee Bi, NE (KLBF), launched 00:00Z, 0.6 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.

Skew-T log-pSkew-T log-p diagram, N. Platte/Lee Bi, NE at 00:00Z on 1987-07-10Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 4171 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 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 1987-07-10The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 111 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
4171 J/kg
Mixed-layer CIN
-14 J/kg
Mixed-layer LCL
1305 m above ground
0-6 km bulk shear
22 kt
0-1 km storm-relative helicity
111 m²/s²
0-3 km storm-relative helicity
233 m²/s²
Significant tornado parameter
0.0
Supercell composite
12.3

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, Jul 9, 3:55 PM MDT, 2 hours 40 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, 1 hour 31 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, 1 hour 18 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
Special weather statement, Jul 9, 6:13 PM MDT, 22 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE VALENTINE NE
705 PM CDT THU JUL 9 1987

...SEVERE THUNDERSTORM WARNING FOR CHERRY COUNTY OF NORTH CENTRAL
NEBRASKA HAS EXPIRED...A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT
UNTIL 11 PM CDT FOR CHERRY COUNTY OF NORTH CENTRAL NEBRASKA.

AT 7 PM CDT RADAR INDICATED A LINE OF STRONG THUNDERSTORMS EXTENDING
FROM NORTH OF SPARKS NEAR THE NEBRASKA STATE LINT TO RIGHT OVER
VALENTINE NEBRASKA. THESE THUNDERSTORMS WERE MOVING SOUTHEAST AT 15
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 CEUNTRAL NEBRASKA UNTIL 730 PM CDT THIS EVENING.

PEA SIZE HAIL WAS REPORTED OVER THE TOWN OF VALENTIN AROUND 615 PM
CDT.

RODDA
Special weather statement, Jul 9, 6:16 PM MDT, 19 minutes before
SPECIAL WEATHER STATEMENT...CORRECTION
NATIONAL WEATHER SERVICE VALENTINE NE
705 PM CDT THU JUL 9 1987

...SEVERE THUNDERSTORM WARNING FOR CHERRY COUNTY OF NORTH CENTRAL
NEBRASKA HAS EXPIRED...A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT
UNTIL 11 PM CDT FOR CHERRY COUNTY OF NORTH CENTRAL NEBRASKA.

AT 7 PM CDT RADAR INDICATED A LINE OF STRONG THUNDERSTORMS EXTENDING
FROM NORTH OF SPARKS NEAR THE NEBRASKA STATE LINE TO RIGHT OVER
VALENTINE NEBRASKA. THESE THUNDERSTORMS WERE MOVING SOUTHEAST AT 15
MPH.

BRIEF HEAVY RAIN...STRONG GUSTY WINDS...DANGERIOUS LIGHTNING AND HAIL
ARE POSSIBLE WITH THESE STORMS...WHICH WILL BE OVER NORTHEAST CHERRY
COUNTY VOF NORTH CENTRAL NEBRASKA UNTIL 730 PM CDT THIS EVENING.

PEA SIZE HAIL WAS REPORTED OVER THE TOWN OF VALENTIN AROUND 645 PM
CDT.

RODDA

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 9, 6:12 PM MDTSevere Thunderstorm WarningLBFDundy, Hitchcock63 min
Jul 9, 6:12 PM MDTSevere Thunderstorm WarningLBFLincoln63 min
Jul 9, 6:47 PM MDTSevere Thunderstorm WarningLBFGrant, Hooker58 min
Jul 9, 7:00 PM MDTSevere Thunderstorm WarningLBFCherry15 min
Jul 9, 7:04 PM MDTSevere Thunderstorm WarningLBFDundy, Hitchcock56 min
Jul 9, 7:04 PM MDTSevere Thunderstorm WarningLBFCuster, Lincoln56 min
Jul 9, 7:15 PM MDTSevere Thunderstorm WarningLBFCherry45 min
Jul 9, 8:48 PM MDTTornado WarningLBFRock27 min
Jul 10, 12:43 AM MDTSevere Thunderstorm WarningLBFHolt62 min
Jul 10, 5:15 PM MDTSevere Thunderstorm WarningLBFCherry115 min
Jul 10, 5:57 PM MDTSevere Thunderstorm WarningLBFCherry3 hr

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.