Alert archive / Nebraska / Severe Thunderstorm Warnings in 1996

Severe Thunderstorm Warning 293, NWS North Platte, NE

August 4, 1996Grant County, Nebraska

NWS North Platte, NE issued this severe thunderstorm warning at Aug 4, 1996, 12:30 AM MDT for Grant County, Nebraska. It was in force for 50 min. 2 reports 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, 12:30 AM MDT (06:30 UTC)
Expired
Aug 4, 1996, 1:20 AM MDT
In force
50 min
Issued by
NWS North Platte, NE
Area
Whole counties

County Grant County, NE

What was reported inside it

TimeReportWhereRemark
Aug 4, 12:35 AM MDTHail 0.75Hyannis, NE
Aug 4, 12:50 AM MDTHail 0.75Whitman, 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, 6.5 hours before the alert went out and 129 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 1996-08-04Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1795 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 1996-08-04The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 36 square meters per square second.19395878Sfc1 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
1795 J/kg
Mixed-layer CIN
-166 J/kg
Mixed-layer LCL
1454 m above ground
0-6 km bulk shear
39 kt
0-1 km storm-relative helicity
36 m²/s²
0-3 km storm-relative helicity
45 m²/s²
Significant tornado parameter
0.0
Supercell composite
1.2

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KLBF 040631
SVRLBF
NEC075-040720-

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE NORTH PLATTE NE
130 AM CDT (1230 AM MDT) SUN AUG 4 1996

THE NATIONAL WEATHER SERVICE IN NORTH PLATTE NE HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 120 AM MDT (220 AM CDT)
FOR PEOPLE IN THE FOLLOWING LOCATION...

IN WEST CENTRAL NEBRASKA

   ...CENTRAL AND EASTERN GRANT COUNTY
 
AT 1229 AM MDT...A SEVERE THUNDERSTORM WAS INDICATED BY NORTH PLATTE
DOPPLER RADAR 44 MILES WEST SOUTHWEST OF MULLEN OR 10 MILES SOUTH OF
ASHBY MOVING NORTHEAST AT 28 MPH.

DAMAGING HAIL AND/OR DESTRUCTIVE WINDS CAN BE EXPECTED NEAR...
  HYANNIS                      BY 1240 AM MDT
 
IF YOU ARE IN THE PATH OF THIS STORM...GO INSIDE A STRONG BUILDING.
STAY AWAY FROM WINDOWS.  DO NOT USE TELEPHONES OR ELECTRICAL
APPLIANCES...UNLESS IN AN EMERGENCY...UNTIL THE STORM HAS PASSED.

BOWMAN

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

Local storm report, Aug 3, 9:08 PM MDT, 3 hours 22 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE  NORTH PLATTE NE
1007 PM CDT SAT AUG 3 1996

TIME(CDT)  .....CITY LOCATION.....STATE   ...EVENT/REMARKS...
           ....COUNTY LOCATION....

0550 PM    4 NE HAY SPRINGS          NE   WIND DAMAGE
08/03/96   SHERIDAN                       SEVERAL LARGE TREE LIMBS
                                          DOWNED

1002 PM    4 NE HAY SPRINGS          NE   1.00 INCH HAIL
08/03/96   SHERIDAN

WERT
Special weather statement, Aug 3, 9:25 PM MDT, 3 hours 5 minutes before
NEZ004-005-022>025-035>037-056>059-069>071-040400-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE NORTH PLATTE NE
1024 PM CDT (924 PM MDT) SAT AUG 3 1996

...TORNADO WATCH NUMBER 909 CANCELLED FOR MOST OF WESTERN NEBRASKA
AND THE EASTERN NEBRASKA PANHANDLE...

THE TORNADO WATCH WHICH HAD BEEN IN EFFECT UNTIL MIDNIGHT CDT
(1100 PM MDT) FOR MUCH OF WESTERN NEBRASKA AND THE EASTERN
NEBRASKA PANHANDLE HAS BEEN CANCELLED...WITH THE EXCEPTION OF CHERRY
AND SHERIDAN COUNTY...WHERE THE WATCH REMAINS IN EFFECT.

ALTHOUGH SCATTERED THUNDERSTORMS ARE POSSIBLE OVER THE AREA
TONIGHT...SEVERE THUNDERSTORMS ARE NO LONGER EXPECTED THROUGH AT
LEAST MIDNIGHT CDT OVER MUCH OF SOUTHWEST AND WEST CENTRAL
NEBRASKA...AND OVER GARDEN AND DEUEL COUNTIES IN THE NEBRASKA
PANHANDLE.

FURTHER NORTH OVER SHERIDAN AND CHERRY COUNTY...STRONG TO SEVERE
THUNDERSTORMS ARE STILL POSSIBLE...AND THEREFORE THE TORNADO WATCH
WILL CONTINUE IN EFFECT FOR THESE TWO COUNTIES UNTIL MIDNIGHT CDT
(1100 PM MDT).

WERT

The office that day

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

IssuedProductOfficeCountiesLasted
Aug 3, 7:55 PM MDTSevere Thunderstorm WarningLBFSheridan60 min
Aug 3, 8:55 PM MDTSevere Thunderstorm WarningLBFSheridan65 min
Aug 3, 10:00 PM MDTSevere Thunderstorm WarningLBFSheridan60 min
Aug 3, 10:23 PM MDTFlash Flood WarningLBFSheridan3 hr
Aug 3, 10:52 PM MDTSevere Thunderstorm WarningLBFCherry63 min
Aug 3, 11:20 PM MDTSevere Thunderstorm WarningLBFSheridan65 min
Aug 4, 12:39 AM MDTSevere Thunderstorm WarningLBFCherry61 min
Aug 4, 1:10 AM MDTSevere Thunderstorm WarningLBFCherry, Hooker65 min
Aug 4, 1:39 AM MDTSevere Thunderstorm WarningLBFThomas61 min
Aug 4, 1:51 AM MDTSevere Thunderstorm WarningLBFCherry64 min
Aug 4, 2:14 AM MDTSevere Thunderstorm WarningLBFBrown, Loup, Rock61 min
Aug 4, 2:14 AM MDTSevere Thunderstorm WarningLBFBlaine61 min
Aug 4, 4:53 PM MDTSevere Thunderstorm WarningLBFGarden67 min
Aug 4, 5:40 PM MDTSevere Thunderstorm WarningLBFArthur, Grant60 min
Aug 4, 5:51 PM MDTTornado WarningLBFArthur34 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.