Alert archive / Indiana / Severe Thunderstorm Warnings in 1987
Severe Thunderstorm Warning 100, NWS Indianapolis, IN
NWS Indianapolis, IN issued this severe thunderstorm warning at Jul 6, 1987, 7:33 PM EST for Clay County, Vigo County, Indiana. It was in force for 27 min.
The area
The counties it named.
The facts
- Issued
- Jul 6, 1987, 7:33 PM EST (00:33 UTC)
- Expired
- Jul 6, 1987, 8:00 PM EST
- In force
- 27 min
- Issued by
- NWS Indianapolis, IN
- Area
- Whole counties
Counties Clay County, IN, Vigo County, IN
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
Salem-Leckrone, IL (KSLO), launched 00:00Z, 0.6 hours before the alert went out and 166 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
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 1512 m above ground
- 0-6 km bulk shear
- 43 kt
- 0-1 km storm-relative helicity
- 38 m²/s²
- 0-3 km storm-relative helicity
- 148 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, Jul 6, 2:21 PM EST, 5 hours 12 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE INDIANAPOLIS INDIANA 219 PM EST MON JUL 6 1987 A SEVERE THUNDERSTORM WARNING IS IN EFFECT FOR LAWRENCE COUNTY UNTIL 250 PM...A SEVERE THUNDERSTORM WATCH IS IN EFFECT FOR SOUTHERN INDIANA UNTIL 5 PM...AND A FLASH FLOOD WATCH IS IN EFFECT FOR PART OF WEST CENTRAL...SOUTHWEST AND SOUTH CENTRAL INDIANA FOR THIS AFTERNOON AND EVENING. AT 205 PM EST RADAR SHOWED A LINE OF VERY STRONG THUNDERSTORMS FROM 30 MILES SOUTH OF TERRE HAUTE TO 10 MILES WEST OF SEYMOUR. THE MOST THREATENING STORM WAS 5 MILES WEST OF BEDFORD. THESE STORMS ARE PRODUCING TORRENTIAL RAINS OVER ALREADY RAIN-SOAKED GROUND. PEOPLE ALONG SMALL STREAMS AND CREEKS SHOULD BE ALERT TO RAPIDLY RISING WATER. HEAVY RAINS WILL COVER ROADS SO MOTORISTS SHOULD DRIVE WITH EXTREME CAUTION. DO NOT ATTEMPT TO CROSS FLOWING WATER. SOME OF THE STORMS MAY ALSO PRODUCE DAMAGING WINDS...SMALL HAIL AND FREQUENT DANGEROUS LIGHTNING. ALLSOPP
Special weather statement, Jul 6, 4:05 PM EST, 3 hours 28 minutes before
SPECIAL WEATHER STATEMENT...SUMMARY OF WATCHES IN EFFECT FOR INDIANA... NATIONAL WEATHER SERVICE INDIANAPOLIS INDIANA 403 PM EST MON JUL 6 1987 HERE IS A SUMMARY OF WEATHER WATCHES NOW IN EFFECT FOR INDIANA. A SEVERE THUNDERSTORM WATCH IS IN EFFECT FOR CENTRAL AND SOUTHERN INDIANA UNTIL 900 PM EST. SOME CITIES INCLUDED ARE TERRE HAUTE... INDIANAPOLIS...RICHMOND...BLOOMINGTON...COLUMBUS...BEDFORD...VERSAILLES ...SALEM AND NEW ALBANY. A FLASH FLOOD WATCH IS IN EFFECT OVER PART OF WEST CENTRAL...SOUTHWEST AND SOUTH CENTRAL INDIANA FOR THE REST OF THIS AFTERNOON AND EVENING. SOME CITIES INCLUDED ARE BLOOMINGTON...BEDFORD...COLUMBUS...SULLIVAN AND VINCENNES. A FLASH FLOOD WARNING REMAINS IN EFFECT FOR GREENE COUNTY OF WEST CENTRAL INDIANA UNTIL 530 PM. THIS MEANS FLASH FLOODING OF SMALL STREAMS AND CREEKS AS WELL AS SOME ROADS AND LOW LYING AREAS IS IMMINENT OR OCCURING IN GREENE COUNTY. STAY TUNED TO THIS SOURCE FOR ADDITIONAL STGATEMENTS OR WARNINGS. ALLSOPP
Special weather statement, Jul 6, 4:44 PM EST, 2 hours 49 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE INDIANAPOLIS INDIANA 445 PM EST MON JUL 6 1987 SEVERE THUNDERSTORM WATCHES ARE IN EFFECT FOR CENTRAL AND SOUTHERN INDIANA UNTIL 900 PM EST THIS EVENING. SOME CITIES INCLUDED IN THE WATCH ARE TERRE HAUTE INDIANAPOLIS BLOOMINGTON COLUMBUS AND BEDFORD. AT 422 PM EST RADAR AT INDIANAPOLIS SHOWED VERY STRONG THUNDERSTORMS IN A LINE FROM OWENSBURG IN GREENE COUNTY TO NEAR BEDFORD AND TO CROTHERVILLE IN JACKSON COUNTY AND LEXINGTON INDIANA WHICH IS 25 NORTH OF LOUISVILLE KENTUCKY. THESE STORMS WERE PRODUCING TORRENTIAL RAINS OVER ALREADY RAIN-SOAKED GROUND. PEOPLE ALONG SMALL STREAMS AND CREEKS SHOULD BE ALERT TO RAPIDLY RISING WATER. HEAVY RAINS WILL COVER ROADS SO MOTORISTS SHOULD DRIVE WITH EXTREME CAUTION. DO NOT ATTEMPT TO CROSS FLOWING WATER. SOME OF THE HEAVIER STORMS MAY ALSO PRODUCE DAMAGING WINDS HAIL AND DANGEROUS LIGHTNING AS IT MOVES EAST AT 30 MILES AN HO^UR. IF THREATENING CONDITIONS ARE SIGHTED MOVE TO A SAFE PLACE AT ONCE. REPORTS SEVERE WEATHER TO YOUR NEAREST LAW ENFORCEMENT AGENCY FOR RELAY TO THE NATIONAL WEATHER SERVICE. KOLDITZ
Special weather statement, Jul 6, 5:30 PM EST, 2 hours 3 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE INDIANAPOLIS INDIANA 530 PM EST MON JUL 6 1987 SEVERE THUNDERSTORM WATCHES ARE IN EFFECT FOR CENTRAL AND SOUTHERN INDIANA UNTIL 900 PM EST AND FOR SOUTHWEST INDIANA UNTIL 10 PM EST. SOME CITTIES INCLUDED ARE TERRE HAUTE INDIANAPOLIS BLOOMINGTON COLUMBUS AND BEDFORD. A FLASH FLOOD WATCH CONTINUES IN EFFECT FOR PARTS OF WEST CENTRAL... SOUTHWEST AND SOUTH CENTRAL INDIANA INTO THE EVENING. SOME CITIES INCLUDED ARE BLOOMINGTON...BEDFORD...COLUMBUS...SULLIVAN AND VINCENNES. THE FLASH FLOOD WARNING FOR GREEN COUNTY OF WEST CENTRAL INDIANA HAS EXPIRED AT 530 PM EST. A SEVERE THUNDERSTORM WARNING ISSUED AT 512 PM EST IS IN EFFECT UNTIL 550 PM EST ALONG THE EXTREME SOUTHERN BORDER OF TIPPECANOE COUNTY AND EXTREME NORTHERN MONTGOMERY COUNTY. MOVEMENT WAS SLIGHTLY SOUTH OF EAST AND THE TOWN OF LINDEN MAY FEEL THE EFFECTS OF THE STORM AT 530 PM EST. . TORRENTIAL RAINS...DAMAGING WINDS AND HAIL MAY ACCOMPANY THE STORM AS IT PASSES THROUGH. IF THREATENING CONDITIONS ARE SIGHTED MOVE TO A SAFE PLACE AT ONCE. REPORT SEVERE WEATHER TO YOUR NEAREST LAW ENFORCEMENT AGENCY FOR RELAY TO THE NATIONAL WEATHER SERVICE. KOLDITZ
Special weather statement, Jul 6, 6:05 PM EST, 1 hour 28 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE INDIANAPOLIS INDIANA 600 PM EST MON JUL 6 1987 THE SEVERE THUNDERSTORM WARNING FOR EXTREME SOUTHERN TIPPECANOE AND EXTREME NORTHERN MONTGOMERY COUNTIES EXPIRED AT 550 PM EST THIS EVENING. THE HEAVIEST PART OF THE THUNDERSTORM WENT JUST SOUTH OF LINDEN. AT 539 PM EST AMATEUR RADIO OPERATORS REPORTED A FUNNEL CLOUD ALOFT 2 MILES SOUTH OF LINDEN. BY 543 PM THE FUNNEL WENT BACK INTO THE CLOUDS. AT 555 PM RADAR AT INDIANAPOLIS SHOWED THE STORM DECREASING IN INTENSITY. STATE POLICE AT LAFAYETTE REPORTED TORRENTIAL RAINS AND VIVID LIGHTNING DISPLAY IN THE LINDEN AREA. NO FLOODING OCCURRED. THE STORM WAS MOVING EAST AT 15 TO 20 MILES AN HOUR TOWARD COLFAX IN CLINTON COUNTY. TORRENTIAL RAINS...STRONG GUSTY WINDS AND DANGEROUS LIGHTNING MAY ACCOMPANY THIS STORM AS IT TRACKS EAST. . IF THREATENING CONDITIONS ARE SIGHTED MOVE TO A SAFE PLACE AT ONCE. REPORT SEVERE WEATHER TO YOUR NEAREST LAW ENFORCEMENT AGENCY FOR RELAY TO THE NATIONAL WEATHER SERVICE. KOLDITZ
The office that day
Everything else NWS Indianapolis, IN issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 6, 7:11 PM EST | Severe Thunderstorm Warning | IND | Pulaski | 34 min |
| Jul 6, 7:20 PM EST | Severe Thunderstorm Warning | IND | Benton, White | 30 min |
| Jul 6, 7:42 PM EST | Severe Thunderstorm Warning | IND | Parke | 33 min |
| Jul 6, 7:52 PM EST | Severe Thunderstorm Warning | IND | Carroll, Tippecanoe | 38 min |
| Jul 6, 8:35 PM EST | Flash Flood Warning | IND | Clay, Vigo | 2 hr |
| Jul 6, 8:35 PM EST | Flash Flood Warning | IND | Owen | 2 hr |
Nearby
Severe Thunderstorm Warnings in Indiana, 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.