Alert archive / Nebraska / Severe Thunderstorm Warnings in 1986

Severe Thunderstorm Warning 54, NWS North Platte, NE

June 29, 1986Holt County, Rock County, Nebraska

NWS North Platte, NE issued this severe thunderstorm warning at Jun 29, 1986, 5:25 PM CDT for Holt County, Rock County, Nebraska. It was in force for 50 min.

The area

The counties it named.

The facts

Issued: Jun 29, 1986, 5:25 PM CDT (22:25 UTC)
Expired: Jun 29, 1986, 6:15 PM CDT
In force: 50 min
Issued by: NWS North Platte, NE
Area: Whole counties

Counties Holt County, NE, Rock 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 12:00Z, 10.4 hours before the alert went out and 190 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-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

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: 1397 J/kg
Mixed-layer CIN: -247 J/kg
Mixed-layer LCL: 1513 m above ground
0-6 km bulk shear: 34 kt
0-1 km storm-relative helicity: 103 m²/s²
0-3 km storm-relative helicity: 128 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.1

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 29, 5:12 PM CDT, 13 minutes before

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE NORTH PLATTE NE
510 PM CDT SUN JUN 29 1986

...A TORNADO WATCH REMAINS IN EFFECT FOR NORTH CENTRAL NEBRASKA UNTIL
1000 PM CDT...

INTENSE THUNDERSTORMS CONTINUED TO MOVE ACROSS PARTS OF WEST CENTRAL
AND NORTH CENTRAL NEBRASKA THIS EVENING.

AT 505 PM CDT A VERY STRONG THUNDERSTORM WAS MOVING ACROSS SOUTHERN
CUSTER COUNTY.  THIS THUNDERSTROM WAS 5 MILES WEST OF OCONTO NEBRASKA
OR ABOUT 35 MILES EAST OF NORTH PLATTE NEBRASKA MOVING TO THE EAST AT
20 MILES AN HOUR.

PERSONS IN THE VICINTIY OF THESE THUNDERSTORMS CAN EXPECT HAIL..LOCALLY
HEAVY RAIN..GUSTY WINDS AND DANGEROUS LIGHTNING.

MEYER

The office that day

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

Issued	Product	Office	Counties	Lasted
Jun 28, 9:17 PM CDT	Tornado Warning	LBF	Knox	23 min
Jun 28, 9:48 PM CDT	Tornado Warning	LBF	Cedar, Knox	32 min
Jun 29, 12:06 AM CDT	Severe Thunderstorm Warning	LBF	Cherry	54 min
Jun 29, 3:14 PM CDT	Severe Thunderstorm Warning	LBF	Keya Paha	26 min
Jun 29, 3:44 PM CDT	Severe Thunderstorm Warning	LBF	Boyd, Keya Paha	56 min
Jun 29, 4:21 PM CDT	Severe Thunderstorm Warning	LBF	Holt, Rock	59 min
Jun 29, 5:47 PM CDT	Severe Thunderstorm Warning	LBF	Cedar	43 min
Jun 29, 6:23 PM CDT	Severe Thunderstorm Warning	LBF	Antelope, Knox	52 min
Jun 29, 6:23 PM CDT	Severe Thunderstorm Warning	LBF	Garfield, Wheeler	52 min

Nearby

Severe Thunderstorm Warnings in Nebraska, 1986 Every 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.