Alert archive / Kansas / Severe Thunderstorm Warnings in 1987

Severe Thunderstorm Warning 112, NWS Topeka, KS

August 19, 1987Atchison County, Kansas

NWS Topeka, KS issued this severe thunderstorm warning at Aug 19, 1987, 3:18 PM CDT for Atchison County, Kansas. It was in force for 42 min.

The area

The counties it named.

The facts

Issued
Aug 19, 1987, 3:18 PM CDT (20:18 UTC)
Expired
Aug 19, 1987, 4:00 PM CDT
In force
42 min
Issued by
NWS Topeka, KS
Area
Whole counties

County Atchison 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

Topeka, KS (KTOP), launched 12:00Z, 8.3 hours before the alert went out and 66 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 12:00Z on 1987-08-19Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 189 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, Topeka, KS at 12:00Z on 1987-08-19The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 12 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
189 J/kg
Mixed-layer CIN
-204 J/kg
Mixed-layer LCL
954 m above ground
0-6 km bulk shear
35 kt
0-1 km storm-relative helicity
12 m²/s²
0-3 km storm-relative helicity
135 m²/s²
Significant tornado parameter
0.0
Supercell composite
-0.1

Open this sounding in Storm Lab

The text

The text of this product is not in the archive. The NWS text archive before 2002 is incomplete.

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, Aug 19, 2:34 PM CDT, 44 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE TOPEKA KS
235 PM CDT WED AUG 19 1987

...SEVERE THUNDERSTORM WATCH FOR NORTHEAST AND MOST OF EAST CENTRAL
   KANSAS UNTIL 9 PM CDT...

AT 230 PM CDT...THERE WERE NO THUNDERSTORMS IN ANY PART OF KANSAS.
HOWEVER...VERY STRONG THUNDERSTORMS WERE IN SOUTHEAST NEBRASKA
APPROACHING NORTHEAST KANSAS. THE STORMS EXTENDED FROM ABOUT 5 MILES
NORTH OF FALLS CITY NEBRASKA WEST TO NEAR BEATRICE NEBRASKA AND ON
BACK WEST INTO SOUTH CENTRAL NEBRASKA NORTH OF CONCORDIA.

THESE STORMS WERE MOVING TO THE SOUTH SOUTHEAST AT 30 MILES AN
HOUR AND WILL BE COMING INTO THE NORHTEAST KANSAS COUNTIES OF
MARSHALL...NEMAHA...BROWNA AND DONIPHAN COUNTIES BY AROUND 3 PM.

HAIL...STRONG WINDS AND HEAVY RAINS HAVE BEEN ASSOCIATED WITH THESE
STORMS AS THEY MOVED THROUGH EASTERN NEBRASKA LATE THIS MORNING
THROUGH EARLY THIS AFTERNOON. RESIDENTS IN NORTHEAST KANSAS SHOULD
BE ALERT AS THESE STORMS PA(SS AND BE PREPARED TO TAKE COVER IF
THREATENING WEATHER IS OBSERVEED OR A WARNING IS ISSUED.

BILLS
Special weather statement, Aug 19, 2:50 PM CDT, 28 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE CONCORDIA KS
250 PM CDT WED AUG 19 1987

A SEVERE THUNDERSTORM WATCH IS IN EFFECT FOR NORTH CENTRAL AND MOST
OF CENTRAL KANSAS UNTIL 9 PM CDT THIS EVENING..THE WATCH ALSO IS
IN EFFECT FOR ADJACENT ARES OF EASTERN KANSAS AND SOUTHEAST NEBRASKA.

AT 250 PM CDT NO THUNDERSTORMS WERE IN CENTRAL OR NORTH CENTRAL KANSAS.
STRONG TO INTENSE THUNDERSTORMS WERE IN SOUTHEAST NEBRASKA..SOME 60
MILES NORTH OF BELLEVILLE AND ABOUT 50 MILES NORTH OF WASHINGTON.
THE THUNDERSTORMS WERE MOVING SOUTHEAST AT 30 TO 35 MILES AN HOUR
AND CAN WILL MOVE INTO NORTHERN WASHINGTON COUNTY OF NORTHCENTRAL
KASNAS BY 330 PM CDT.

HAIL..STRONG WINDS AND HEAVY RAINS HA3VE BEEN REPORTED FROM THESE
STORMS IN NEBRASKA..PERSONS IN NORTHERN WASHINGTON COUNTY SHOULD
BE ALERT FOR THESE THUNDERSTORMS AND BE PREPARED TO SEEK SAFE
SHELTER IF THREATENING WEATHER PPROACHES.
SCHNEIDER

The office that day

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

IssuedProductOfficeCountiesLasted
Aug 19, 3:18 PM CDTSevere Thunderstorm WarningTOPBrown32 min
Aug 19, 4:20 PM CDTSevere Thunderstorm WarningTOPPottawatomie50 min
Aug 19, 4:20 PM CDTSevere Thunderstorm WarningTOPMarshall, Nemaha32 min
Aug 19, 4:39 PM CDTSevere Thunderstorm WarningTOPJackson, Pottawatomie41 min
Aug 19, 5:00 PM CDTSevere Thunderstorm WarningTOPAtchison, Jefferson50 min
Aug 19, 5:00 PM CDTSevere Thunderstorm WarningTOPShawnee, Wabaunsee50 min
Aug 19, 5:36 PM CDTSevere Thunderstorm WarningTOPDouglas, Franklin, Osage44 min
Aug 19, 6:16 PM CDTSevere Thunderstorm WarningTOPFranklin, Lyon, Osage, Wabaunsee44 min
Aug 19, 6:44 PM CDTSevere Thunderstorm WarningTOPAnderson46 min

Nearby

Severe Thunderstorm Warnings in Kansas, 1987Every severe thunderstorm warning 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.