Alert archive / Nebraska / Severe Thunderstorm Warnings in 1992

Severe Thunderstorm Warning 13, NWS North Platte, NE

May 15, 1992Madison County, Nebraska

NWS North Platte, NE issued this severe thunderstorm warning at May 15, 1992, 10:26 PM CDT for Madison County, Nebraska. It was in force for 34 min.

The area

The counties it named.

The facts

Issued
May 15, 1992, 10:26 PM CDT (03:26 UTC)
Expired
May 15, 1992, 11:00 PM CDT
In force
34 min
Issued by
NWS North Platte, NE
Area
Whole counties

County Madison County, NE

The nearest sounding before it

Omaha, NE (KOVN), launched 00:00Z, 3.4 hours before the alert went out and 122 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, Omaha, NE at 00:00Z on 1992-05-16Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 857 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, Omaha, NE at 00:00Z on 1992-05-16The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 129 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
857 J/kg
Mixed-layer CIN
-158 J/kg
Mixed-layer LCL
1298 m above ground
0-6 km bulk shear
24 kt
0-1 km storm-relative helicity
129 m²/s²
0-3 km storm-relative helicity
231 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.4

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KOFK 160326
SVROFK
NEC119-160400-

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING 
NATIONAL WEATHER SERVICE NORFOLK NE
1026 PM CDT FRI MAY 15 1992

THE NATIONAL WEATHER SERVICE HAS ISSUED A SEVERE THUNDERSTORM 
WARNING EFFECTIVE UNTIL 1100 PM CDT FOR PEOPLE IN THE FOLLOWING 
COUNTY

   IN THE NORTHEAST PART OF NEBRASKA
      MADISON

AT 1022 PM CDT DAMAGING WINDS WERE REPORTED 10 MILES WEST OF
NORFOLK.  THESE WINDS WILL SPREAD ACROSS ALL OF MADISON COUNTY.

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

 A TORNADO WATCH CONTINUES UNTIL MIDNIGHT.

 MILLER

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, May 15, 9:46 PM CDT, 40 minutes before
NEZ007-012-016-017-160350-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE NORTH PLATTE NE
950 PM CDT FRI MAY 15 1992

...TORNADO WATCH UNTIL 10 PM CDT...

AT 945 PM CDT...EXTREMELY STRONG THUNDERSTORMS CONTINUED ACROSS PORTIONS
OF SOUTHWEST AND WEST CENTRAL NEBRASKA.  THE THUNDERSTORMS WERE LOCATED
IN A 30 MILE WIDE FROM 10 MILES SOUTH OF BROKEN BOW TO 15 MILES SOUTH OF
NORTH PLATTE TO 15 MILES EAST OF GRANT. BROKEN BOW AND GRANT ARE 50 MILES
EAST NORTHEAST AND 50 MILES WEST SOUTHWEST OF NORTH PLATTE RESPECTIVELY.

THE STRONGEST THUNDERSTORM WAS 5 MILES NORTHEAST OF WELLFEET OR 20 MILES
SOUTH OF NORTH PLATTE. THIS THUNDERSTORM WILL LIKELY PRODUCE VERY HEAVY
RAIN..SMALL HAIL..GUSTY WINDS AS IT MOVES EAST AT 25 MILES AN HOUR.

BRIEF PERIODS OF HEAVY RAIN AND GUSTY WINDS MAY ACCOMPANY THE OTHER
THUNDERSTORMS. IN ADDITION..FREQUENT CLOUD TO GROUND LIGHTNING WAS
ACCOMPANYING THE STORMS.
<
PERSONS NEAR THUNDERSTORMS SHOULD BE PREPARED TO TAKE SHELTER.
PERSONS NEAR THE THUNDERSTORMS SHOULD ALSO MONITOR LOCAL RADIO..
TELEVISION AND NOAA WEATHER RADIO FOR FURTHER STATEMENTS AND
POSSIBLE WARNINGS.

ABBAS

The office that day

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

IssuedProductOfficeCountiesLasted
May 15, 7:02 PM CDTTornado WarningLBFHolt43 min
May 15, 7:15 PM CDTSevere Thunderstorm WarningLBFAntelope45 min
May 15, 7:15 PM CDTSevere Thunderstorm WarningLBFPierce60 min
May 15, 7:47 PM CDTSevere Thunderstorm WarningLBFHolt28 min
May 15, 8:05 PM CDTTornado WarningLBFLincoln40 min
May 15, 8:22 PM CDTSevere Thunderstorm WarningLBFAntelope, Knox, Pierce68 min
May 15, 8:22 PM CDTSevere Thunderstorm WarningLBFHolt68 min
May 15, 8:46 PM CDTTornado WarningLBFKnox29 min
May 15, 9:19 PM CDTTornado WarningLBFKnox, Pierce41 min
May 15, 10:01 PM CDTSevere Thunderstorm WarningLBFAntelope, Pierce59 min
May 15, 10:37 PM CDTSevere Thunderstorm WarningLBFColfax, Platte, Stanton28 min
May 15, 11:09 PM CDTSevere Thunderstorm WarningLBFLincoln51 min
May 16, 5:06 PM CDTSevere Thunderstorm WarningLBFPierce69 min
May 16, 5:06 PM CDTSevere Thunderstorm WarningLBFAntelope54 min
May 16, 5:54 PM CDTSevere Thunderstorm WarningLBFWayne66 min
May 16, 6:19 PM CDTSevere Thunderstorm WarningLBFMadison, Pierce56 min
May 16, 6:41 PM CDTTornado WarningLBFWayne34 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.