Alert archive / Nebraska / Severe Thunderstorm Warnings in 1996

Severe Thunderstorm Warning 310, NWS North Platte, NE

August 4, 1996Chase County, Nebraska

NWS North Platte, NE issued this severe thunderstorm warning at Aug 4, 1996, 9:05 PM MDT for Chase County, Nebraska. It was in force for 60 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: Aug 4, 1996, 9:05 PM MDT (03:05 UTC)
Expired: Aug 4, 1996, 10:05 PM MDT
In force: 60 min
Issued by: NWS North Platte, NE
Area: Whole counties

County Chase County, NE

The radar

The Goodland radar (KGLD), 129 km from the middle of the area, began a volume at 03:13 UTC, the scan nearest the moment this went out.

Open the radar archive at this moment

The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.

What was reported inside it

Time	Report	Where	Remark
Aug 4, 9:15 PM MDT	Hail 0.88	Imperial, 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.

The nearest sounding before it

N. Platte/Lee Bi, NE (KLBF), launched 00:00Z, 3.1 hours before the alert went out and 114 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: 3040 J/kg
Mixed-layer CIN: -28 J/kg
Mixed-layer LCL: 1320 m above ground
0-6 km bulk shear: 57 kt
0-1 km storm-relative helicity: 38 m²/s²
0-3 km storm-relative helicity: 81 m²/s²
Significant tornado parameter: 0.7
Supercell composite: 6.9

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

000 
TTAA00 KLBF 050306
SVRLBF
NEC029-050405-

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE NORTH PLATTE NE
1005 PM CDT (905 PM MDT) SUN AUG 4 1996

THE NATIONAL WEATHER SERVICE IN NORTH PLATTE NE HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 1005 PM MDT (1105 PM CDT)
FOR PEOPLE IN THE FOLLOWING LOCATION...

IN SOUTHWEST NEBRASKA

   ...SOUTHERN CHASE COUNTY
 
AT 905 PM MDT...A SEVERE THUNDERSTORM WAS INDICATED BY NORTH PLATTE
DOPPLER RADAR 15 MILES SOUTHWEST OF IMPERIAL OR 9 MILES SOUTH
SOUTHWEST OF CHAMPION MOVING EAST AT 33 MPH.

DAMAGING HAIL AND/OR DESTRUCTIVE WINDS CAN BE EXPECTED NEAR...
  ENDERS                       BY 932 PM MDT
  WAUNETA                      BY 945 PM MDT


 A TORNADO WATCH IS ALSO IN EFFECT.  SEVERE THUNDERSTORMS CAN
PRODUCE TORNADOES.
 
SEVERE THUNDERSTORMS PRODUCE DAMAGING WIND IN EXCESS OF 55 MPH...
DESTRUCTIVE HAIL...DEADLY LIGHTNING...AND VERY HEAVY RAIN.  FOR YOUR
PROTECTION MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR POSSIBLE.

IF SEVERE WEATHER IS OBSERVED...CONTACT YOUR LOCAL LAW ENFORCEMENT
AGENCY AND ASK THEM TO RELAY YOUR INFORMATION TO THE NATIONAL
WEATHER SERVICE.

JWS

The office that day

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

Issued	Product	Office	Counties	Lasted
Aug 4, 6:13 PM MDT	Severe Thunderstorm Warning	LBF	Cherry, Hooker	62 min
Aug 4, 6:28 PM MDT	Severe Thunderstorm Warning	LBF	Cherry	62 min
Aug 4, 6:39 PM MDT	Severe Thunderstorm Warning	LBF	Grant	31 min
Aug 4, 6:58 PM MDT	Severe Thunderstorm Warning	LBF	Thomas	47 min
Aug 4, 7:06 PM MDT	Severe Thunderstorm Warning	LBF	Brown	59 min
Aug 4, 7:13 PM MDT	Severe Thunderstorm Warning	LBF	Deuel, Keith	57 min
Aug 4, 8:21 PM MDT	Severe Thunderstorm Warning	LBF	Lincoln	59 min
Aug 4, 8:32 PM MDT	Severe Thunderstorm Warning	LBF	Rock	63 min
Aug 4, 9:26 PM MDT	Severe Thunderstorm Warning	LBF	Holt	34 min
Aug 4, 9:31 PM MDT	Severe Thunderstorm Warning	LBF	Custer	64 min

Nearby

Severe Thunderstorm Warnings in Nebraska, 1996 Every severe thunderstorm warning in 1996

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; radar from the NEXRAD Level II archive.