Alert archive / Nebraska / Severe Thunderstorm Warnings in 1992

Severe Thunderstorm Warning 98, NWS North Platte, NE

July 18, 1992Lincoln County, Nebraska

NWS North Platte, NE issued this severe thunderstorm warning at Jul 18, 1992, 6:43 AM CDT for Lincoln County, Nebraska. It was in force for 32 min.

The area

The counties it named.

The facts

Issued
Jul 18, 1992, 6:43 AM CDT (11:43 UTC)
Expired
Jul 18, 1992, 7:15 AM CDT
In force
32 min
Issued by
NWS North Platte, NE
Area
Whole counties

County Lincoln County, NE

The nearest sounding before it

N. Platte/Lee Bi, NE (KLBF), launched 00:00Z, 11.7 hours before the alert went out and 15 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 1992-07-18Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 143 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 1992-07-18The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -31 square meters per square second.193958Sfc1 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
143 J/kg
Mixed-layer CIN
-22 J/kg
Mixed-layer LCL
1995 m above ground
0-6 km bulk shear
28 kt
0-1 km storm-relative helicity
-31 m²/s²
0-3 km storm-relative helicity
77 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KLBF 181143
SVRLBF
NEC111-181215-

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING 
NATIONAL WEATHER SERVICE NORTH PLATTE NE
643 AM CDT SAT JUL 18 1992

THE NATIONAL WEATHER SERVICE HAS ISSUED A SEVERE THUNDERSTORM 
WARNING EFFECTIVE UNTIL 715 AM CDT FOR PEOPLE IN THE FOLLOWING 
COUNTY

   IN THE SOUTHWEST PART OF NEBRASKA
      CENTRAL LINCOLN

AT 639 PM CST A SEVERE THUNDERSTORM WAS REPORTED BY THE PUBLIC
3 MILES SOUTH OF HERSHEY OR ABOUT 10 MILES WEST SOUTHWEST OF
NORTH PLATTE.  1 INCH HAIL WAS REPORTED AT HERSHEY.  THIS STORM
IS MOVING SOUTHEAST AT 15 MILES AN HOUR.  DICKENS IS IN THE PATH
OF THIS SEVERE THUNDERSTORM.

IF YOU ARE IN THE AREA THREATENED BY THE STORM...GO TO A REINFORCED
SHELTER AND PREPARE FOR STRONG DAMAGING WIND...LARGE HAIL...VERY
HEAVY RAIN...AND DEADLY LIGHTNING.

INTENSE LIGHTNING IS REPORTED WITH THIS STORM.  IF OUTDOORS...
STAY AWAY FROM HIGH OBJECTS.  MOVE INDOOR IF POSSIBLE.  WHEN
INDOORS...STAY AWAY FROM WINDOWS AND DOORS AND AVOID USING
TELEPHONES AND ELECTRICAL EQUIPMENT.

 MONSON 1142Z

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, 5:26 AM CDT, 1 hour 17 minutes before
NEZ012-016-017-181130-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE NORTH PLATTE NE
525 AM CDT SAT JUL 18 1992

...STRONG THUNDERSTORMS DEVELOPING ACROSS SOUTHWEST NEBRASKA...

AT 520 AM CDT STRONG THUNDERSTORMS WHICH DEVELOPED VERY RAPIDLY THIS
MORNING HAVE CONTINUED TO INCREASE IN INTENSITY.  THE THUNDERSTORMS
WERE ON A LINE FROM WELLFLEET ABOUT 20 MILES SOUTH OF NORTH PLATTE TO
ABOUT 10 MILES SOUTH OF STOCKVILLE OR ABOUT 40 MILES SOUTHEAST OF NORTH
PLATTE.

BRIEF HEAVY RAIN ALONG WITH PEA TO MARBLE SIZE HAIL CAN BE EXPECTED
WITH THESE THUNDERSTORMS THIS MORNING NEAR THE COMMUNITIES OF
MAYWOOD...CURTIS AND STOCKVILLE.

THE THUNDERSTORMS ARE MOVING SOUTHEAST AT 15 MILES AN HOUR.
@
IF THREATENING WEATHER APPROACHES...MOVE TO A PLACE OF SHELTER
IMMEDIATELY.

MONSON
Special weather statement, Jul 18, 6:19 AM CDT, 24 minutes before
NEZ012-016-017-181230-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE NORTH PLATTE NE
620 AM CDT SAT JUL 18 1992

...STRONG THUNDERSTORMS CONTINUING ACROSS SOUTHWEST NEBRASKA...

AT 615 AM CDT STRONG THUNDERSTORMS WERE CONTINUING ACROSS SOUTHWEST
NEBRASKA.  VERY STRONG THUNDERSTORMS WERE ABOUT 5 MILES SOUTH OF NORTH
PLATTE TO WELLFLEET ABOUT 20 MILES SOUTH OF NORTH PLATTE.  THESE
THUNDERSTORMS WERE PRODUCING VERY HEAVY RAIN FOR A SHORT PERIOD OF TIME
WITH PEA SIZE HAIL.

ANOTHER AREA OF VERY STRONG THUNDERSTORMS WAS NEAR STOCKVILLE ABOUT 40
MILES SOUTHEAST OF NORTH PLATTE TO ABOUT 10 MILES EAST OF MCCOOK OR
ABOUT 60 MILES SOUTH OF NORTH PLATTE.  VERY HEAVY RAIN ALONG WITH SMALL
HAIL IS LIKELY WITH THESE THUNDERSTORMS.

BETWEEN 520 AND 530 THIS MORNING PEA TO MARBLE SIZE HAIL WAS REPORTED
IN CURTIS AND AT 550 PEA SIZE HAIL WAS REPORTED IN NORTH PLATTE ALONG
WITH HEAVY RAIN.

THE THUNDERSTORMS HAVE BEEN MOVING SOUTHEAST AT 15 MILES AN HOUR.

IF THREATENING WEATHER APPROACHES...MOVE TO A PLACE OF SHELTER
IMMEDIATELY.

MONSON

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 18, 8:13 AM CDTSevere Thunderstorm WarningLBFFrontier32 min
Jul 18, 4:12 PM CDTSevere Thunderstorm WarningLBFThomas33 min
Jul 18, 4:52 PM CDTSevere Thunderstorm WarningLBFHolt, Rock38 min
Jul 18, 5:06 PM CDTSevere Thunderstorm WarningLBFCuster39 min
Jul 18, 5:36 PM CDTSevere Thunderstorm WarningLBFHolt, Rock69 min
Jul 18, 5:42 PM CDTTornado WarningLBFCuster33 min
Jul 18, 5:51 PM CDTSevere Thunderstorm WarningLBFGarfield, Wheeler54 min
Jul 18, 6:16 PM CDTTornado WarningLBFCuster29 min
Jul 18, 6:20 PM CDTSevere Thunderstorm WarningLBFHitchcock40 min
Jul 18, 6:45 PM CDTSevere Thunderstorm WarningLBFRock30 min
Jul 18, 6:45 PM CDTSevere Thunderstorm WarningLBFGarfield60 min
Jul 18, 6:45 PM CDTTornado WarningLBFCuster30 min

Nearby

Severe Thunderstorm Warnings in Nebraska, 1992Every 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; the sounding from the Mesonet's radiosonde archive.