Alert archive / Nebraska / Severe Thunderstorm Warnings in 1996

Severe Thunderstorm Warning 296, NWS North Platte, NE

August 4, 1996Thomas County, Nebraska

NWS North Platte, NE issued this severe thunderstorm warning at Aug 4, 1996, 2:39 AM CDT for Thomas County, Nebraska. It was in force for 61 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, 2:39 AM CDT (07:39 UTC)
Expired: Aug 4, 1996, 3:40 AM CDT
In force: 61 min
Issued by: NWS North Platte, NE
Area: Whole counties

County Thomas County, NE

What was reported inside it

Time	Report	Where	Remark
Aug 4, 3:15 AM CDT	Hail 0.75	Thedford, 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, 7.7 hours before the alert went out and 87 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: 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 040739
SVRLBF
NEC171-040840-

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE NORTH PLATTE NE
239 AM CDT SUN AUG 4 1996

THE NATIONAL WEATHER SERVICE IN NORTH PLATTE NE HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 340 AM CDT
FOR PEOPLE IN THE FOLLOWING LOCATION...

IN NORTH CENTRAL NEBRASKA

   ...THOMAS COUNTY
 
AT 240 AM CDT DOPPLER RADAR INDICATED THE LEADING EDGE OF THE SEVERE
THUNDERSTORMS 6 MILES NORTHEAST OF MULLEN. MOVEMENT OF THIS LINE OF
STORMS WAS EAST SOUTHEAST AT 30 MPH.  YOU CAN EXPECT STRONG DAMAGING
WINDS AS THE STORM NEARS SENECA AROUND 245 AM CDT...AND THEDFORD
AROUND 310 AM CDT.
 
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.

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, 10:08 PM CDT, 4 hours 31 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, 10:25 PM CDT, 4 hours 14 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.

Issued	Product	Office	Counties	Lasted
Aug 3, 8:55 PM CDT	Severe Thunderstorm Warning	LBF	Sheridan	60 min
Aug 3, 9:55 PM CDT	Severe Thunderstorm Warning	LBF	Sheridan	65 min
Aug 3, 11:00 PM CDT	Severe Thunderstorm Warning	LBF	Sheridan	60 min
Aug 3, 11:23 PM CDT	Flash Flood Warning	LBF	Sheridan	3 hr
Aug 3, 11:52 PM CDT	Severe Thunderstorm Warning	LBF	Cherry	63 min
Aug 4, 12:20 AM CDT	Severe Thunderstorm Warning	LBF	Sheridan	65 min
Aug 4, 1:30 AM CDT	Severe Thunderstorm Warning	LBF	Grant	50 min
Aug 4, 1:39 AM CDT	Severe Thunderstorm Warning	LBF	Cherry	61 min
Aug 4, 2:10 AM CDT	Severe Thunderstorm Warning	LBF	Cherry, Hooker	65 min
Aug 4, 2:51 AM CDT	Severe Thunderstorm Warning	LBF	Cherry	64 min
Aug 4, 3:14 AM CDT	Severe Thunderstorm Warning	LBF	Brown, Loup, Rock	61 min
Aug 4, 3:14 AM CDT	Severe Thunderstorm Warning	LBF	Blaine	61 min
Aug 4, 5:53 PM CDT	Severe Thunderstorm Warning	LBF	Garden	67 min
Aug 4, 6:40 PM CDT	Severe Thunderstorm Warning	LBF	Arthur, Grant	60 min
Aug 4, 6:51 PM CDT	Tornado Warning	LBF	Arthur	34 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.