Alert archive / Indiana / Severe Thunderstorm Warnings in 1990

Severe Thunderstorm Warning 16, NWS Northern Indiana

June 30, 1990Allen County, Indiana

NWS Northern Indiana issued this severe thunderstorm warning at Jun 30, 1990, 6:16 PM EST for Allen County, Indiana. It was in force for 29 min.

The area

The counties it named.

The facts

Issued
Jun 30, 1990, 6:16 PM EST (23:16 UTC)
Expired
Jun 30, 1990, 6:45 PM EST
In force
29 min
Issued by
NWS Northern Indiana
Area
Whole counties

County Allen 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

Dayton/James M C, OH (KDAY), launched 12:00Z, 11.3 hours before the alert went out and 151 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 1990-06-30Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1097 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, Dayton/James M C, OH at 12:00Z on 1990-06-30The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 120 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
1097 J/kg
Mixed-layer CIN
-42 J/kg
Mixed-layer LCL
1020 m above ground
0-6 km bulk shear
32 kt
0-1 km storm-relative helicity
120 m²/s²
0-3 km storm-relative helicity
135 m²/s²
Significant tornado parameter
0.5
Supercell composite
3.1

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

000 
TTAA00 KFWA 302316
SVRFWA
INC003-302345-
 
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE FORT WAYNE IN
616 PM EST SAT JUN 30 1990
 
THE NATIONAL WEATHER SERVICE IN FORT WAYNE HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL  645 PM EST
FOR PEOPLE IN THE FOLLOWING COUNTY...
 
IN NORTHEAST INDIANA
          ...SOUTHERN ALLEN
 
A SEVERE THUNDERSTORM WARNING HAS BEEN ISSUED FOR SOUTHERN ALLEN
COUNTY INCLUDING THE CITY OF FORT WAYNE. 3/4 INCH HAIL HAS BEEN
REPORTED.
 
 
WHEN THUNDERSTORMS ARE OCCURRING...PEOPLE SHOULD MOVE INSIDE A
STRONG BUILDING.  DO NOT STAND BY WINDOWS.  DON'T USE TELEPHONES
OR ELECTRICAL APPLIANCES UNLESS IN AN EMERGENCY UNTIL THE STORM
HAS PASSED.  MOTORISTS SHOULD NOT DRIVE INTO LOW WATER CROSSINGS.

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 30, 3:20 PM EST, 2 hours 56 minutes before
INZ001-002-004-005-MIZ001-007-008-302115-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE SOUTH BEND IN
315 PM EST SAT JUN 30 1990

...SEVERE THUNDERSTORM WATCH FOR NORTHERN INDIANA AND SOUTHWEST LOWER
MICHIGAN UNTIL 10 PM EST/11 PM EDT...

AT 300 PM EST...THUNDERSTORMS WERE LOCATED OVER NORTHEAST ILLINOIS
AND SOUTHERN LAKE MICHIGAN.

THE THUNDERSTORMS OVER LAND WERE LOCATED FROM CHICAGO TO NEAR ELGIN
ILLINOIS.

MOVEMENT WAS EAST SOUTHEAST AT 30 MILES AN HOUR.

MW
Special weather statement, Jun 30, 4:00 PM EST, 2 hours 16 minutes before
INZ003-005-006-OHZ01-302230-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE FORT WAYNE IN
400 PM EST SAT JUN 30 1990

...SEVERE THUNDERSTORM WATCH IN EFFECT FOR NORTHEAST INDIANA UNTIL
10 PM EST...
...SEVERE THUNDERSTORM WATCH IN EFFCT FOR EXTREME NORTHWEST OHIO
UNTIL 10 PM EDT...

AT 4 PM EST A THUNDERSTORM WITH DANGEROUS LIGHTNING...BRIEF HEAVY RAIN
AND GUSTY WINDS WAS LOCATED 45 MILES NORTH NORTHEAST OF FORT WAYNE OR
NEAR LAKE JAMES IN NORTHERN STEUBEN COUNTY OF NORTHEAST INDIANA.

THE THUNDERSTORM WAS MOVING SOUTHEAST AT 25 MPH. BY 6 PM EDT THIS
THUNDERSTORM WILL BE 40 MILES NORTHEAST OF FORT WAYNE OR 10 MILES NORTH
OF BRYAN OHIO.

OTHER THUNDERSTORMS WITH VERY HEAVY RAIN WERE IN CENTRAL INDIANA FROM
LAFAYETTE TO CONNERSVILLE. THEY WERE MOVING EAST AT 25 MPH.
-
HAYES
Special weather statement, Jun 30, 4:09 PM EST, 2 hours 7 minutes before
INZ001-002-004-005-MIZ001-007-008-302115-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE SOUTH BEND IN
410 PM EST SAT JUN 30 1990

...SEVERE THUNDERSTORM WATCH FOR NORTHERN INDIANA AND SOUTHWEST LOWER
MICHIGAN UNTIL 10 PM EST/11 PM EDT...

AT 405 PM EST...THUNDERSTORMS WERE LOCATED OVER MICHIGAN CITY INDIANA
...NORTHWEST TO 5 MILES EAST OF CHICAGO ILLINIOS.

MOVEMENT WAS EAST SOUTHEAST AT 30 MILES AN HOUR.

THESE THUNDERSTORMS CAN PRODUCE SMALL HAIL...GUSTY WINDS...AND
DANGEROUS LIGHTNING. TAKE SHELTER ON THE APPROACH OF THESE STORMS.
REPORT ANY SEVERE WEATHER INCIDENTS TO THE LOCAL AUTHORITIES.

GALLAGHER
Special weather statement, Jun 30, 4:37 PM EST, 1 hour 39 minutes before
INZ003-005-006-OHZ01-302300-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE FORT WAYNE IN
436 PM EST SAT JUN 30 1990

...SEVERE THUNDERSTORM WATCH IN EFFECT FOR NORTHEAST INDIANA UNTIL
10 PM EST...
...SEVERE THUNDERSTORM WATCH IN EFFCT FOR EXTREME NORTHWEST OHIO
UNTIL 10 PM EDT...

AT 430 PM EST ALL THUNDERSTORMS HAD DISSIPATED IN NORTHEAST INDIANA
AND NORTHWEST OHIO.

THUNDERSTORMS WERE DEVELOPING IN NORTHWEST INDIANA AND MOVING SOUTHEAST
AT 25 MPH.

STAY TUNED TO NOAA WEATHER RADIO FOR PUBLIC RADIO FOR UPDATES.
HAYES
Special weather statement, Jun 30, 5:00 PM EST, 1 hour 16 minutes before
INZ003-005-006-OHZ01-302300-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE FORT WAYNE IN
500 PM EST SAT JUN 30 1990

...SEVERE THUNDERSTORM WATCH IN EFFECT FOR NORTHEAST INDIANA UNTIL
10 PM EST...
...SEVERE THUNDERSTORM WATCH IN EFFCT FOR EXTREME NORTHWEST OHIO
UNTIL 10 PM EDT...

AT 455 PM EST THERE WERE NO THUNDERSTORMS IN NORTHEAST INDIANA OR
EXTREME NORTHWEST OHIO. THUNDERSTORMS WERE LOCATED FROM 30 MILES
NORTHWEST OF FORT WAYNE OR NEAR0 WARSAW TO 20 MILES SOUTHWEST OF SOUTH
BEND INDIANA. THESE STORMS WERE MOVING SOUTHEAST AT 25 MPH.

STAY TUNED TO NOAA WEATHER RADIO UPDATES.
HAYES
Special weather statement, Jun 30, 5:27 PM EST, 49 minutes before
INZ003-005-006-OHZ01-302330-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE FORT WAYNE IN
530 PM EST SAT JUN 30 1990

...SEVERE THUNDERSTORM WATCH IN EFFECT FOR NORTHEAST INDIANA UNTIL
10 PM EST...
...SEVERE THUNDERSTORM WATCH IN EFFCT FOR EXTREME NORTHWEST OHIO
UNTIL 10 PM EDT...

AT 425 PM EST THUNDERSTORMS WERE LOCATED FROM 20 MILES WEST OF FORT
WAYNE OR NEAR SOUTH WHITLEY TO 35 MILES SOUTHWEST OF SOUTH BEND
INDIANA. OTHER THUNDERSTORMS WERE LOCATED 25 MILES EAST OF FORT WAYNE
OR NEAR PAULDING OHIO AND 30 MILES SOUTHWEST OF FORT WAYNE OR NEAR
WABASH INDIANA.

THESE THUNDERSTORMS WERE DEVELOPING RAPIDLY AND MOVING SOUTHEAST AT 25
MPH. THEY CONTAINED DANGEROUS LIGHTNING...BRIEF HEAVUY RAIN...SMALL HAIL
AND GUSTY WINDS.
-
PEOPLE IN NORTHEAST INDIANA AND EXTREME NORTHWEST OHIO SHOULD
REMAIN ALERT FOR THE DEVELOPMENT OF THUNDERSTORMS IN THEIR AREAS.
BE PREPARED TO MOVE TO SHELTER IN CASE OF STRONG STORM DEVELOPMENT.
HAYES

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 30, 5:45 PM ESTSevere Thunderstorm WarningIWXHuntington45 min
Jun 30, 5:49 PM ESTSevere Thunderstorm WarningIWXWhitley41 min
Jun 30, 6:19 PM ESTSevere Thunderstorm WarningIWXWells26 min
Jun 30, 6:22 PM ESTSevere Thunderstorm WarningIWXHuntington, Wells53 min

Nearby

Severe Thunderstorm Warnings in Indiana, 1990Every severe thunderstorm warning in 1990

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.