Alert archive / Nebraska / Severe Thunderstorm Warnings in 1992

Severe Thunderstorm Warning 101, NWS North Platte, NE

July 18, 1992Holt County, Rock County, Nebraska

NWS North Platte, NE issued this severe thunderstorm warning at Jul 18, 1992, 4:52 PM CDT for Holt County, Rock County, Nebraska. It was in force for 38 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 18, 1992, 4:52 PM CDT (21:52 UTC)
Expired: Jul 18, 1992, 5:30 PM CDT
In force: 38 min
Issued by: NWS North Platte, NE
Area: Whole counties

Counties Holt County, NE, Rock County, NE

What was reported inside it

Time	Report	Where	Remark
Jul 18, 5:25 PM CDT	Hail 0.75	Rock, 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. Storm Data before 1996 records only tornadoes, thunderstorm wind and hail.

The nearest sounding before it

N. Platte/Lee Bi, NE (KLBF), launched 12:00Z, 9.9 hours before the alert went out and 190 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: 0 J/kg
Mixed-layer CIN: No buoyant parcel
Mixed-layer LCL: NaN m above ground
0-6 km bulk shear: 37 kt
0-1 km storm-relative helicity: 147 m²/s²
0-3 km storm-relative helicity: 194 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 4.7

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KOFK 182152
SVROFK
NEC149-089-182230-

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING 
NATIONAL WEATHER SERVICE NORFOLK NE
452 PM CDT SAT JUL 18 1992

THE NATIONAL WEATHER SERVICE HAS ISSUED A SEVERE THUNDERSTORM 
WARNING EFFECTIVE UNTIL 530 PM CDT FOR PEOPLE IN THE FOLLOWING 
COUNTIES

   IN THE NORTH CENTRAL PART OF NEBRASKA
      NORTHERN ROCK...NORTHWEST HOLT

AT 545PM CDT NORFOLK RADAR SHOWED SEVERE THUNDERSTORMS ABOUT 55
MILES NORTHWEST OF O NEILL MOVING SOUTHEAST. THE STORMS WILL PASS
THROUGH BASSETT.. NEWPORT AND STUART... REACHING ATKINSON BY 515PM.

PEOPLE IN THE PATH OF THIS STORM SHOULD TAKE SHELTER IMMEDIATELY.
PREPARE FOR DAMAGING WINDS...LARGE HAIL...DEADLY LIGHTNING UAND
VERY HEAVY RAIN THAT CAN QUICKLY FLOOD A LOW LYING AREA.
REMEMBER SEVERE THUNDERSTORMS CAN ALSO PRODUCE A TORNADO WITH
LITTLE OR NO WARNING.

 A TORNNADO WATCH REMAINS IN EFFECT UNTIL 9 PM IN NORTHCENTRAL
 NEBRASKA.

 SMITH

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

Special weather statement, Jul 18, 4:01 PM CDT, 51 minutes before

NEZ006-007-012-017-182300-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE NORTH PLATTE NE
401 PM CDT SAT JUL 18 1992

...A TORNADO WATCH IS IN EFFECT UNTIL 9 PM CDT FOR PARTS OF SOUTHWEST
   AND WEST CENTRAL NEBRASKA...

AT 355 PM CDT...RADAR SHOWED THUNDERSTORMS WITH BRIEF HEAVY RAIN 5
MILES NORTH OF THEDFORD...OR 55 MILES NORTH OF NORTH PLATTE.

THE STORMS WERE MOVING SOUTHEAST AT 20 MILES AN HOUR.

THESE STORMS WILL BE MOVING INTO THEDFORD BY 410 PM CDT AND THE HALSEY
FOREST BY 445 PM CDT.  PEOPLE IN THESE AREAS SHOULD SEEK REINFORCED
SHELTER AS PEA TO MARBLE SIZED HAIL...40 TO 50 MILE AN HOUR WINDS...
VERY HEAVY RAINS AND DANGEROUS LIGHTNING WILL ACCOMPANY THESE STORMS.

WALAWEN]DER

The office that day

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

Issued	Product	Office	Counties	Lasted
Jul 18, 6:43 AM CDT	Severe Thunderstorm Warning	LBF	Lincoln	32 min
Jul 18, 8:13 AM CDT	Severe Thunderstorm Warning	LBF	Frontier	32 min
Jul 18, 4:12 PM CDT	Severe Thunderstorm Warning	LBF	Thomas	33 min
Jul 18, 5:06 PM CDT	Severe Thunderstorm Warning	LBF	Custer	39 min
Jul 18, 5:36 PM CDT	Severe Thunderstorm Warning	LBF	Holt, Rock	69 min
Jul 18, 5:42 PM CDT	Tornado Warning	LBF	Custer	33 min
Jul 18, 5:51 PM CDT	Severe Thunderstorm Warning	LBF	Garfield, Wheeler	54 min
Jul 18, 6:16 PM CDT	Tornado Warning	LBF	Custer	29 min
Jul 18, 6:20 PM CDT	Severe Thunderstorm Warning	LBF	Hitchcock	40 min
Jul 18, 6:45 PM CDT	Severe Thunderstorm Warning	LBF	Rock	30 min
Jul 18, 6:45 PM CDT	Severe Thunderstorm Warning	LBF	Garfield	60 min
Jul 18, 6:45 PM CDT	Tornado Warning	LBF	Custer	30 min

Nearby

Severe Thunderstorm Warnings in Nebraska, 1992 Every severe thunderstorm warning in 1992

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.