Alert archive / Nebraska / Severe Thunderstorm Warnings in 2002

Severe Thunderstorm Warning 113, NWS Omaha, NE

May 28, 2002Lancaster County, Saline County, Nebraska

NWS Omaha, NE issued this severe thunderstorm warning at May 28, 2002, 1:48 AM CDT for Lancaster County, Saline County, Nebraska. It was in force for 27 min. No storm report in the archive falls inside the area while it was in force.

The area

The outline as issued.

The facts

Issued
May 28, 2002, 1:48 AM CDT (06:48 UTC)
Expired
May 28, 2002, 2:15 AM CDT
In force
27 min
Issued by
NWS Omaha, NE
Area
Counties, with a storm outline in the text

Counties Lancaster County, NE, Saline County, NE

The radar

The Omaha radar (KOAX), 94 km from the middle of the area, began a volume at 06:43 UTC, the scan nearest the moment this went out.

Open the radar archive at this moment

The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.

The watch it was issued in

The SPC watch in force over the same counties when this warning went out.

IssuedProductOfficeLasted
May 27, 10:30 PM CDTSevere Thunderstorm WatchSPC5 hr

The nearest sounding before it

Omaha, NE (KOAX), launched 00:00Z, 6.8 hours before the alert went out and 94 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 2002-05-28Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 555 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 2002-05-28The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -16 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
555 J/kg
Mixed-layer CIN
-117 J/kg
Mixed-layer LCL
1882 m above ground
0-6 km bulk shear
19 kt
0-1 km storm-relative helicity
-16 m²/s²
0-3 km storm-relative helicity
49 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.1

Open this sounding in Storm Lab

The text

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

000 
WUUS53 KOAX 280648
SVROMA
NEC109-151-280715-

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE OMAHA NE
147 AM CDT TUE MAY 28 2002

THE NATIONAL WEATHER SERVICE IN OMAHA HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  LANCASTER COUNTY IN SOUTHEAST NEBRASKA
  SALINE COUNTY IN SOUTHEAST NEBRASKA

* UNTIL 215 AM CDT

* AT 148 AM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM 8 MILES SOUTH OF CRETE...OR ABOUT 20 MILES
  NORTHWEST OF BEATRICE...MOVING NORTHEAST AT 25 MPH.

* THE SEVERE THUNDERSTORM WILL BE NEAR...
  CRETE AROUND 155 AM CDT
  SPRAGUE...ROCA...DENTON AROUND 215 AM CDT

THE PUBLIC REPORTED QUARTER SIZE HAIL 2 MILES NORTH OF WILBER AT 145 
AM CDT.

LARGE HAIL IS LIKELY WITH THIS STORM. GO TO A SAFE PLACE INSIDE YOUR
HOME OR BUSINESS. STAY AWAY FROM WINDOWS AND GLASS DOORS.

LAT...LON 4053 9711 4047 9695 4053 9691 4064 9658
          4080 9679

WIESE

The office that day

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

IssuedProductOfficeCountiesLasted
May 27, 11:45 PM CDTSevere Thunderstorm WarningOAXButler, Seward45 min
May 27, 11:48 PM CDTSevere Thunderstorm WarningOAXPawnee42 min
May 27, 11:58 PM CDTSevere Thunderstorm WarningOAXGage32 min
May 28, 12:07 AM CDTSevere Thunderstorm WarningOAXAntelope38 min
May 28, 12:29 AM CDTSevere Thunderstorm WarningOAXGage31 min
May 28, 12:29 AM CDTSevere Thunderstorm WarningOAXButler46 min
May 28, 12:38 AM CDTSevere Thunderstorm WarningOAXJohnson37 min
May 28, 12:53 AM CDTSevere Thunderstorm WarningOAXSaline37 min
May 28, 12:59 AM CDTSevere Thunderstorm WarningOAXGage, Johnson46 min
May 28, 1:12 AM CDTSevere Thunderstorm WarningOAXJefferson33 min
May 28, 1:46 AM CDTSevere Thunderstorm WarningOAXGage, Jefferson44 min
May 28, 2:12 AM CDTSevere Thunderstorm WarningOAXCass, Lancaster, Otoe48 min
May 28, 2:25 AM CDTSevere Thunderstorm WarningOAXDouglas, Washington35 min
May 28, 2:30 AM CDTSevere Thunderstorm WarningOAXSarpy30 min
May 28, 2:34 AM CDTFlash Flood WarningOAXGage, Jefferson4 hr
May 28, 3:07 AM CDTSevere Thunderstorm WarningOAXSarpy23 min
May 28, 3:14 AM CDTFlash Flood WarningOAXJohnson, Pawnee4 hr

Nearby

Severe Thunderstorm Warnings in Nebraska, 2002Every severe thunderstorm warning in 2002

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; radar from the NEXRAD Level II archive.