Alert archive / Nebraska / Severe Thunderstorm Warnings in 1996

Severe Thunderstorm Warning 199, NWS North Platte, NE

July 22, 1996Rock County, Nebraska

NWS North Platte, NE issued this severe thunderstorm warning at Jul 22, 1996, 8:25 AM CDT for Rock County, Nebraska. It was in force for 65 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, 8:25 AM CDT (13:25 UTC)
Expired
Jul 22, 1996, 9:30 AM CDT
In force
65 min
Issued by
NWS North Platte, NE
Area
Whole counties

County Rock County, NE

The radar

The North Platte radar (KLNX), 106 km from the middle of the area, began a volume at 13:29 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

TimeReportWhereRemark
Jul 22, 8:52 AM CDTHail 1Bassett, 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, 1.4 hours before the alert went out and 172 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 12:00Z on 1996-07-22Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1041 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 12:00Z on 1996-07-22The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 48 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
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 221328
SVRLBF
NEC149-221430-

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

THE NATIONAL WEATHER SERVICE IN NORTH PLATTE NE HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 930 AM CDT
FOR PEOPLE IN THE FOLLOWING LOCATION...

IN NORTH CENTRAL NEBRASKA

   ...SOUTHERN ROCK COUNTY
 
AT 825 AM CDT...A SEVERE THUNDERSTORM WAS INDICATED BY NORTH PLATTE
DOPPLER RADAR 25 MILES SOUTH SOUTHEAST OF AINSWORTH OR 9 MILES WEST
OF ROSE MOVING SOUTHEAST AT 34 MPH.

DAMAGING HAIL AND/OR DESTRUCTIVE WINDS CAN BE EXPECTED NEAR...
  ROSE                         BY 842 AM CDT
 
IF SEVERE WEATHER IS OBSERVED...CONTACT YOUR LOCAL LAW ENFORCEMENT
AGENCY AND ASK THEM TO RELAY YOUR INFORMATION TO THE NATIONAL
WEATHER SERVICE.



PARKER

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 21, 7:50 PM CDTSevere Thunderstorm WarningLBFLogan65 min
Jul 21, 8:15 PM CDTTornado WarningLBFLogan30 min
Jul 21, 8:57 PM CDTSevere Thunderstorm WarningLBFLincoln63 min
Jul 22, 6:02 AM CDTSevere Thunderstorm WarningLBFGrant48 min
Jul 22, 6:16 AM CDTTornado WarningLBFArthur, Grant49 min
Jul 22, 6:50 AM CDTSevere Thunderstorm WarningLBFMcPherson60 min
Jul 22, 7:43 AM CDTSevere Thunderstorm WarningLBFBrown62 min
Jul 22, 7:46 AM CDTSevere Thunderstorm WarningLBFLincoln, McPherson64 min
Jul 22, 7:55 AM CDTSevere Thunderstorm WarningLBFCherry50 min
Jul 22, 8:30 AM CDTSevere Thunderstorm WarningLBFLincoln60 min
Jul 22, 9:12 AM CDTSevere Thunderstorm WarningLBFFrontier58 min
Jul 22, 9:50 AM CDTSevere Thunderstorm WarningLBFKeith60 min
Jul 22, 10:12 AM CDTSevere Thunderstorm WarningLBFDeuel33 min
Jul 22, 10:31 AM CDTSevere Thunderstorm WarningLBFPerkins64 min
Jul 22, 10:38 AM CDTTornado WarningLBFPerkins32 min

Nearby

Severe Thunderstorm Warnings in Nebraska, 1996Every 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.