Alert archive / Kansas / Severe Thunderstorm Warnings in 1997

Severe Thunderstorm Warning 10, NWS Topeka, KS

April 2, 1997Ottawa County, Kansas

NWS Topeka, KS issued this severe thunderstorm warning at Apr 2, 1997, 5:14 AM CST for Ottawa County, Kansas. It was in force for 31 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
Apr 2, 1997, 5:14 AM CST (11:14 UTC)
Expired
Apr 2, 1997, 5:45 AM CST
In force
31 min
Issued by
NWS Topeka, KS
Area
Whole counties

County Ottawa County, KS

The radar

The Topeka radar (KTWX), 123 km from the middle of the area, began a volume at 11:18 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

Topeka, KS (KTOP), launched 00:00Z, 11.2 hours before the alert went out and 174 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, Topeka, KS at 00:00Z on 1997-04-02Temperature 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, Topeka, KS at 00:00Z on 1997-04-02The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 85 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
1911 m above ground
0-6 km bulk shear
27 kt
0-1 km storm-relative helicity
85 m²/s²
0-3 km storm-relative helicity
192 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 KTOP 021114 RRA
SVRTOP
KSC143-021145-

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE TOPEKA KS
514 AM CST WED APR 2 1997

* SEVERE THUNDERSTORM WARNING FOR
  WESTERN OTTAWA COUNTY - NORTH CENTRAL KANSAS

* UNTIL 545 AM CST
 
* SOME LOCATIONS AFFECTED
  MINNEAPOLIS
  SUMMERVILLE

* AT 512 AM CST RADAR INDICATED A SEVERE THUNDERSTORM 33 MILES
SOUTH  OF CONCORDIA...OR 3 MILES SOUTHEAST OF ADA MOVING
EAST-NORTHEAST  AT 20 MPH:.

* THE STORM WILL BE 
  JUST NORTHWEST OF MINNEAPOLIS AROUND 545 AM
 
THIS IS A DANGEROUS STORM!  STAY INDOORS AWAY FROM WINDOWS!

SW

The office that day

Everything else NWS Topeka, KS issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Apr 2, 5:50 AM CSTSevere Thunderstorm WarningTOPOttawa45 min

Nearby

Severe Thunderstorm Warnings in Kansas, 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.