Alert archive / Nebraska / Severe Thunderstorm Warnings in 1996

Severe Thunderstorm Warning 196, NWS North Platte, NE

July 22, 1996Brown County, Nebraska

NWS North Platte, NE issued this severe thunderstorm warning at Jul 22, 1996, 7:43 AM CDT for Brown County, Nebraska. It was in force for 62 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: Jul 22, 1996, 7:43 AM CDT (12:43 UTC)
Expired: Jul 22, 1996, 8:45 AM CDT
In force: 62 min
Issued by: NWS North Platte, NE
Area: Whole counties

County Brown County, NE

The radar

The North Platte radar (KLNX), 75 km from the middle of the area, began a volume at 12:42 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
Jul 22, 8:35 AM CDT	Hail 0.88	Long Pine, 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 12:00Z, 0.7 hours before the alert went out and 155 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: 1041 J/kg
Mixed-layer CIN: -159 J/kg
Mixed-layer LCL: 916 m above ground
0-6 km bulk shear: 44 kt
0-1 km storm-relative helicity: 48 m²/s²
0-3 km storm-relative helicity: 226 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.3

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KLBF 221245
SVRLBF
NEC017-221345-

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE NORTH PLATTE NE
743 AM CDT MON JUL 22 1996

THE NATIONAL WEATHER SERVICE IN NORTH PLATTE NE HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 845 AM CDT
FOR PEOPLE IN THE FOLLOWING LOCATION...

IN NORTH CENTRAL NEBRASKA

   ...BROWN COUNTY
 
AT 743 AM CDT...A SEVERE THUNDERSTORM WAS INDICATED BY NORTH PLATTE
DOPPLER RADAR 9 MILES WEST SOUTHWEST OF AINSWORTH OR 6 MILES SOUTH
SOUTHEAST OF JOHNSTOWN MOVING SOUTHEAST AT 46 MPH.

DAMAGING HAIL AND/OR DESTRUCTIVE WINDS CAN BE EXPECTED NEAR...
  AINSWORTH                    BY 756 AM CDT
  MOON LAKE                    BY 757 AM CDT
  LONG PINE                    BY 804 AM CDT
 
IF YOU ARE CAUGHT OUTSIDE...TAKE SHELTER IN A STRONG BUILDING.
DAMAGING WIND...LARGE HAIL...VERY HEAVY RAIN AND DEADLY LIGHTNING ARE
ALL POSSIBLE IN SEVERE THUNDERSTORMS.  STAY INSIDE AWAY FROM WINDOWS.

The office that day

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

Issued	Product	Office	Counties	Lasted
Jul 21, 7:50 PM CDT	Severe Thunderstorm Warning	LBF	Logan	65 min
Jul 21, 8:15 PM CDT	Tornado Warning	LBF	Logan	30 min
Jul 21, 8:57 PM CDT	Severe Thunderstorm Warning	LBF	Lincoln	63 min
Jul 22, 6:02 AM CDT	Severe Thunderstorm Warning	LBF	Grant	48 min
Jul 22, 6:16 AM CDT	Tornado Warning	LBF	Arthur, Grant	49 min
Jul 22, 6:50 AM CDT	Severe Thunderstorm Warning	LBF	McPherson	60 min
Jul 22, 7:46 AM CDT	Severe Thunderstorm Warning	LBF	Lincoln, McPherson	64 min
Jul 22, 7:55 AM CDT	Severe Thunderstorm Warning	LBF	Cherry	50 min
Jul 22, 8:25 AM CDT	Severe Thunderstorm Warning	LBF	Rock	65 min
Jul 22, 8:30 AM CDT	Severe Thunderstorm Warning	LBF	Lincoln	60 min
Jul 22, 9:12 AM CDT	Severe Thunderstorm Warning	LBF	Frontier	58 min
Jul 22, 9:50 AM CDT	Severe Thunderstorm Warning	LBF	Keith	60 min
Jul 22, 10:12 AM CDT	Severe Thunderstorm Warning	LBF	Deuel	33 min
Jul 22, 10:31 AM CDT	Severe Thunderstorm Warning	LBF	Perkins	64 min
Jul 22, 10:38 AM CDT	Tornado Warning	LBF	Perkins	32 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.