Alert archive / Kansas / Tornado Warnings in 1987

Tornado Warning 2, NWS Wichita, KS

May 21, 1987Montgomery County, Kansas

NWS Wichita, KS issued this tornado warning at May 21, 1987, 6:37 PM CDT for Montgomery County, Kansas. It was in force for 31 min.

The area

The counties it named.

The facts

Issued
May 21, 1987, 6:37 PM CDT (23:37 UTC)
Expired
May 21, 1987, 7:08 PM CDT
In force
31 min
Issued by
NWS Wichita, KS
Area
Whole counties

County Montgomery County, KS

The radar

The WSR-88D network and its archive begin in 1991, so there is no radar volume for this alert.

The nearest sounding before it

Springfield, MO (KUMN), launched 12:00Z, 11.6 hours before the alert went out and 175 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, Springfield, MO at 12:00Z on 1987-05-21Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1974 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, Springfield, MO at 12:00Z on 1987-05-21The 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
1974 J/kg
Mixed-layer CIN
-97 J/kg
Mixed-layer LCL
910 m above ground
0-6 km bulk shear
18 kt
0-1 km storm-relative helicity
31 m²/s²
0-3 km storm-relative helicity
84 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 KICT 212337
TORICT
KSC125-037-220040-
 
BULLETIN - EBS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE WICHITA KS
637 PM CDT THU MAY 21 1987
 
THE NATIONAL WEATHER SERVICE HAS ISSUED A TORNADO WARNING
EFFECTIVE UNTIL 740 PM CDT FOR THE FOLLOWING COUNTIES OF
 
SOUTHEAST KANSAS... EASTERN MONTGOMERY... CRAWFORD
 
AT 635 PM CDTA SEVERE THUNDERSTORM WHICH HAS HAD SEVERAL REPORTS
OF A TORNADO WAS LOCATED JUST NORTHEAST OF COFFEYVILLE...MOVI NG
NORTHEAST AT 35 MPH.
 
THIS TORNADO WAS ON THE GROUND AND CAUSING DAMAGE.  ALL PEOPLE NEAR
THIS DANGEROUS STORM SHOULD TAKE COVER IMMEDIATELY.
 
STEADHAM

The office that day

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

IssuedProductOfficeCountiesLasted
May 21, 5:13 PM CDTSevere Thunderstorm WarningICTCrawford, Labette47 min
May 21, 5:34 PM CDTSevere Thunderstorm WarningICTCherokee56 min
May 21, 6:10 PM CDTSevere Thunderstorm WarningICTCrawford, Labette30 min
May 21, 6:39 PM CDTTornado WarningICTLabette29 min

Nearby

Tornado Warnings in Kansas, 1987Every tornado warning in 1987Tornadoes in 1987

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.