Alert archive / Nebraska / Severe Thunderstorm Warnings in 1997

Severe Thunderstorm Warning 3, NWS Omaha, NE

March 8, 1997Burt County, Nebraska

NWS Omaha, NE issued this severe thunderstorm warning at Mar 8, 1997, 8:55 PM CST for Burt County, Nebraska. It was in force for 35 min. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued
Mar 8, 1997, 8:55 PM CST (02:55 UTC)
Expired
Mar 8, 1997, 9:30 PM CST
In force
35 min
Issued by
NWS Omaha, NE
Area
Whole counties

County Burt County, NE

The radar

The Omaha radar (KOAX), 59 km from the middle of the area, began a volume at 02:58 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 nearest sounding before it

Omaha, NE (KOAX), launched 00:00Z, 2.9 hours before the alert went out and 59 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 1997-03-09Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 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 1997-03-09The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 176 square meters per square second.1939587897117Sfc1 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
2746 m above ground
0-6 km bulk shear
50 kt
0-1 km storm-relative helicity
176 m²/s²
0-3 km storm-relative helicity
454 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 KOMA 090255 RRA
SVROMA
NEC021-090330-

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE OMAHA/VALLEY NE
855 PM CST SAT MAR 8 1997

* SEVERE THUNDERSTORM WARNING FOR
  BURT COUNTY - IN EAST CENTRAL NEBRASKA

* UNTIL 930 PM CST
 
* SOME LOCATIONS AFFECTED
  OAKLAND                      BY AROUND 855 PM CST
  LYONS                        BY AROUND 900 PM CST
  CRAIG                        BY AROUND 900 PM CST
  TEKAMAH                      BY AROUND 910 PM CST
  DECATUR                      BY AROUND 915 PM CST

* AT 855 PM CST...A SEVERE THUNDERSTORM WAS INDICATED BY DOPPLER
RADAR 50 MILES NORTHWEST OF OMAHA OR 8 MILES SOUTHWEST OF OAKLAND
MOVING EAST NORTHEAST AT 45 MPH.

THIS STORM PRODUCED 1 INCH HAIL AT HOWELLS AT 830 PM.
 
THIS SEVERE THUNDERSTORM MAY PRODUCE LARGE HAIL...GREATER THAN 3/4
INCH IN DIAMETER AND DESTRUCTIVE WINDS OF OVER 60 MPH.  GET INTO
A SAFE BUILDING...AWAY FROM WINDOWS OR GLASS DOORS
.

THIS WARNING REPLACES THE WARNING PREVIOUSLY ISSUED FOR DODGE...
COLFAX AND CUMING COUNTIES.

CHERMOK
&

The office that day

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

IssuedProductOfficeCountiesLasted
Mar 8, 8:29 PM CSTSevere Thunderstorm WarningOAXColfax, Cuming, Dodge46 min
Mar 8, 8:37 PM CSTSevere Thunderstorm WarningOAXAntelope, Madison, Pierce48 min
Mar 8, 11:50 PM CSTSevere Thunderstorm WarningOAXButler, Dodge, Saunders45 min
Mar 9, 2:01 AM CSTSevere Thunderstorm WarningOAXLancaster34 min

Nearby

Severe Thunderstorm Warnings in Nebraska, 1997Every severe thunderstorm warning in 1997

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.