Alert archive / Nebraska / Severe Thunderstorm Warnings in 1986

Severe Thunderstorm Warning 3, NWS North Platte, NE

April 17, 1986Hayes County, Nebraska

NWS North Platte, NE issued this severe thunderstorm warning at Apr 17, 1986, 4:07 PM CST for Hayes County, Nebraska. It was in force for 13 min.

The area

The counties it named.

The facts

Issued: Apr 17, 1986, 4:07 PM CST (22:07 UTC)
Expired: Apr 17, 1986, 4:20 PM CST
In force: 13 min
Issued by: NWS North Platte, NE
Area: Whole counties

County Hayes 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, 10.1 hours before the alert went out and 78 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: 0 J/kg
Mixed-layer CIN: No buoyant parcel
Mixed-layer LCL: NaN m above ground
0-6 km bulk shear: 32 kt
0-1 km storm-relative helicity: 223 m²/s²
0-3 km storm-relative helicity: 222 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

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, Apr 17, 2:01 PM CST, 2 hours 6 minutes before

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE NORTH PLATTE NE
2 PM CST THU APR 17 1986

THUNDERSTORMS HAS DEVELOPED AND HAVE MOVED INTO SOUTHWEST AND
WEST CENTRAL NEBRASKA..FROM 60 MILES SOUTHWEST OF NORTH PLATTE
TO 75 MILES NORTHWEST OF NORTH PLATTE NEBRASKA. THEAVIEST
THUNDERSTORM WAS 55 MILES WEST OF NORTH PLATTE NEBRASKA AND
HAS PRODUCED MARBLE SIZE HAIL AND HEAVY RAIN.

THESE THUNDERSTORMS WERE MOVING TO THE NORTHEAST AT ABOUT 25 MPH.
"
COFFIN

The office that day

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

Issued	Product	Office	Counties	Lasted
Apr 17, 2:01 PM CST	Tornado Warning	LBF	Keith	29 min
Apr 17, 2:51 PM CST	Severe Thunderstorm Warning	LBF	Keith, Lincoln, Perkins	39 min
Apr 17, 3:34 PM CST	Severe Thunderstorm Warning	LBF	Hayes	46 min
Apr 17, 3:40 PM CST	Tornado Warning	LBF	Arthur, Keith	20 min
Apr 17, 4:17 PM CST	Severe Thunderstorm Warning	LBF	Frontier, Red Willow	38 min
Apr 17, 4:25 PM CST	Tornado Warning	LBF	Frontier, Lincoln	20 min
Apr 17, 4:56 PM CST	Severe Thunderstorm Warning	LBF	Red Willow	59 min
Apr 17, 5:44 PM CST	Tornado Warning	LBF	Lincoln	16 min
Apr 17, 5:58 PM CST	Severe Thunderstorm Warning	LBF	Custer	57 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.