Alert archive / Kansas / Severe Thunderstorm Warnings in 1987
Severe Thunderstorm Warning 112, NWS Topeka, KS
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.
- 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
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.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 19, 3:18 PM CDT | Severe Thunderstorm Warning | TOP | Brown | 32 min |
| Aug 19, 4:20 PM CDT | Severe Thunderstorm Warning | TOP | Pottawatomie | 50 min |
| Aug 19, 4:20 PM CDT | Severe Thunderstorm Warning | TOP | Marshall, Nemaha | 32 min |
| Aug 19, 4:39 PM CDT | Severe Thunderstorm Warning | TOP | Jackson, Pottawatomie | 41 min |
| Aug 19, 5:00 PM CDT | Severe Thunderstorm Warning | TOP | Atchison, Jefferson | 50 min |
| Aug 19, 5:00 PM CDT | Severe Thunderstorm Warning | TOP | Shawnee, Wabaunsee | 50 min |
| Aug 19, 5:36 PM CDT | Severe Thunderstorm Warning | TOP | Douglas, Franklin, Osage | 44 min |
| Aug 19, 6:16 PM CDT | Severe Thunderstorm Warning | TOP | Franklin, Lyon, Osage, Wabaunsee | 44 min |
| Aug 19, 6:44 PM CDT | Severe Thunderstorm Warning | TOP | Anderson | 46 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.