Alert archive / Nebraska / Severe Thunderstorm Warnings in 1986

Severe Thunderstorm Warning 3, NWS Hastings, NE

April 17, 1986Harlan County, Phelps County, Nebraska

NWS Hastings, NE issued this severe thunderstorm warning at Apr 17, 1986, 6:28 PM CST for Harlan County, Phelps County, Nebraska. It was in force for 57 min.

The area

The counties it named.

The facts

Issued
Apr 17, 1986, 6:28 PM CST (00:28 UTC)
Expired
Apr 17, 1986, 7:25 PM CST
In force
57 min
Issued by
NWS Hastings, NE
Area
Whole counties

Counties 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.

The nearest sounding before it

N. Platte/Lee Bi, NE (KLBF), launched 00:00Z, 0.5 hours before the alert went out and 133 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 1986-04-18Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 35 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 1986-04-18The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 204 square meters per square second.1939587897Sfc1 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
35 J/kg
Mixed-layer CIN
-139 J/kg
Mixed-layer LCL
1206 m above ground
0-6 km bulk shear
60 kt
0-1 km storm-relative helicity
204 m²/s²
0-3 km storm-relative helicity
411 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.

The office that day

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

IssuedProductOfficeCountiesLasted
Apr 17, 6:28 PM CSTSevere Thunderstorm WarningGIDBuffalo, Dawson57 min
Apr 17, 7:29 PM CSTSevere Thunderstorm WarningGIDBuffalo, Sherman46 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.