Alert archive / Indiana / Severe Thunderstorm Warnings in 1989

Severe Thunderstorm Warning 16, NWS Northern Indiana

June 1, 1989Blackford County, Indiana

NWS Northern Indiana issued this severe thunderstorm warning at Jun 1, 1989, 2:58 PM EST for Blackford County, Indiana. It was in force for 47 min. 1 report came from inside the area while it was in force.

The area

The counties it named, with what was reported inside it.

The facts

Issued
Jun 1, 1989, 2:58 PM EST (19:58 UTC)
Expired
Jun 1, 1989, 3:45 PM EST
In force
47 min
Issued by
NWS Northern Indiana
Area
Whole counties

County Blackford County, IN

The radar

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

What was reported inside it

TimeReportWhereRemark
Jun 1, 3:09 PM ESTHail 1Blackford, IN

NCEI Storm Data entries that began inside the alert's area while it was in force. Before 2003 the local storm report archive is thin, so this is the record of what happened rather than what was phoned in. Storm Data before 1996 records only tornadoes, thunderstorm wind and hail.

The nearest sounding before it

Dayton/James M C, OH (KDAY), launched 12:00Z, 8.0 hours before the alert went out and 115 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, Dayton/James M C, OH at 12:00Z on 1989-06-01Temperature 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, Dayton/James M C, OH at 12:00Z on 1989-06-01The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 72 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
NaN m above ground
0-6 km bulk shear
32 kt
0-1 km storm-relative helicity
72 m²/s²
0-3 km storm-relative helicity
49 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.9

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, Jun 1, 9:09 AM EST, 5 hours 49 minutes before
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Special weather statement, Jun 1, 9:39 AM EST, 5 hours 19 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE SOUTH BEND IN
940 AM EST THU JUN 1 1989

...FLASH FLOOD WARNING FOR ELKHART COUNTY UNTIL 1130 AM EST...
...SMALL STREAM AND URBAN FLOOD WARNING FOR ST. JOSEPH COUNTY INDIANA
   UNTIL NOON EST.

AT 935 AM EST...RADAR INDICATED MORE THUNDERSTORMS EMBEDDED IN A LARGE
AREA OF HEAVY RAIN COVERING ALL OF NORTHWEST INDIANA WEST OF A SOUTH
BEND TO PLYMOUTH LINE...25 MILES SOUTH OF SOUTH BEND.

AT THIS TIME NO SEVERE WEATHER IS EXPECTED WITH THESE THUNDERSTORMS
HOWEVER ANOTHER HALF-INCH OF RAIN OR MORE MAY OCCUR OVER ALREADY
DRENCHED GROUND FROM SOUTH BEND WEST TO GARY INDIANA AS THESE STORMS
MOVE EAST DURING THE NEXT TWO OR THREE HOURS.

PERSONS IN LOW LYING AREAS SHOULD CONSTANTLY MONITOR CONDITIONS FOR
THE POSSIBLITY OF FLOODING.
MCCLUNG
Special weather statement, Jun 1, 9:57 AM EST, 5 hours 1 minute before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE FORT WAYNE IN
955 AM EST THU JUN 1 1989

...FLASH FLOOD WATCH FOR ALL OF NORTHEAST INDIANA TODAY...

AT 951 AM EST THUNDERSTORMS WITH HEAVY RAINS EXTENDED FROM 20 MILES
NORTH OF DEFIANCE OHIO TO 15 MILES NORTHEAST OF MARION IN NORTHEAST
INDIANA.

THESE THUNDERSTORMS WERE MOVING SOUTHEAST AT 25 MPH AND CONTAINED
GUSTY WINDS AND DANGEROUS LIGHTNING. THESE THUNDERSTORMS MAY PRODUCE
BRIEF FLOODING OF LOW LYING ROADWAYS.

BY 1055 AM EST THESE THUNDERSTORMS WILL HAVE MOVED OUT OF NORTHEAST
INDIANA AND NORTHWEST OHIO WITH ADDITONAL THUNDERSTORMS MOVING INTO
WESTERN PORTIONS OF NORTHEAST INDIANA FROM NORTHWEST INDIANA.

MARSHALL
Special weather statement, Jun 1, 10:57 AM EST, 4 hours 1 minute before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE FORT WAYNE IN
1058 AM EST THU JUN 1 1989

...FLASH FLOOD WATCH FOR ALL OF NORTHEAST INDIANA TODAY...

AT 1051 AM EST THUNDERSTORMS WITH HEAVY RAINS WERE OCCURRING ACROSS
NORTHEAST INDIANA TO THE WEST OF A LINE EXTENDING FROM 50 MILES
SOUTHWEST OF FORT WAYNE OR 15 MILES WEST OF WABASH TO 35 MILES WEST
OF FORT WAYNE TO 45 MILES NORTH OF FORT WAYNE IN NORTHEAST INDIANA.

THESE THUNDERSTORMS WERE MOVING EAST AT 25 MPH AND CONTAINED
DANGEROUS LIGHTNING. THESE THUNDERSTORMS MAY PRODUCE FLOODING OF
LOW LYING ROADWAYS AND SMALL STREAMS.

BY 1155 AM EST THESE THUNDERSTORMS WILL MOVE TO A POSITION EXTENDING
FROM 25 MILES SOUTHWEST OF FORT WAYNE OR '15 MILES SOUTHWEST OF
HUNTINGTON TO JUST EAST OF FORT WAYNE TO 35 MILES NORTHWEST OF DEFIANCE
OHIO.
MARSHALL

The office that day

Everything else NWS Northern Indiana issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Jun 1, 2:24 PM ESTSevere Thunderstorm WarningIWXGrant51 min
Jun 1, 3:20 PM ESTSevere Thunderstorm WarningIWXJay40 min
Jun 1, 3:36 PM ESTTornado WarningIWXJay24 min

Nearby

Severe Thunderstorm Warnings in Indiana, 1989Every severe thunderstorm warning in 1989

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; verification from NCEI's Storm Data; the sounding from the Mesonet's radiosonde archive.