Alert archive / Indiana / Severe Thunderstorm Warnings in 1994

Severe Thunderstorm Warning 48, NWS Northern Indiana

July 20, 1994Allen County, Indiana

NWS Northern Indiana issued this severe thunderstorm warning at Jul 20, 1994, 5:36 PM EST for Allen County, Indiana. It was in force for 33 min.

The area

The counties it named.

The facts

Issued
Jul 20, 1994, 5:36 PM EST (22:36 UTC)
Expired
Jul 20, 1994, 6:09 PM EST
In force
33 min
Issued by
NWS Northern Indiana
Area
Whole counties

County Allen County, IN

The nearest sounding before it

Dayton/James M C, OH (KDAY), launched 12:00Z, 10.6 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 1994-07-20Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1594 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 1994-07-20The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -19 square meters per square second.1939Sfc1 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
1594 J/kg
Mixed-layer CIN
-96 J/kg
Mixed-layer LCL
1081 m above ground
0-6 km bulk shear
8 kt
0-1 km storm-relative helicity
-19 m²/s²
0-3 km storm-relative helicity
5 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

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, Jul 20, 4:30 PM EST, 1 hour 6 minutes before
INZ003>005-012>016-MIZ077>079-202200-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE SOUTH BEND IN
430 PM EST WED JUL 20 1994

 ...A SEVERE THUNDERSTORM WATCH IS IN EFFECT FOR ALL OF NORTH CENTRAL
INDIANA AND SOUTHWEST LOWER MICHIGAN UNTIL 900 PM EST/1000 PM EDT...

AT 425 PM EST...RADAR INDICATED A STRONG THUNDERSTORM WAS OVER FULTON
COUNTY 15 MILES SOUTHWEST OF ROCHESTER...NEAR GRASS CREEK. THIS STORM
WAS MOVING NORTHEAST AT 25 MPH. SOME COMMUNITIES IN THE PATH OF THIS
STORM INCLUDE ROCHESTER.

IF YOU ARE IN THE PATH OF THIS STORM TAKE SHELTER INDOORS IMMEDIATELY.
DO NOT USE YOUR TELEPHONE OR OTHER ELECTRICAL APPLIANCES.

THUNDERSTORMS ARE EXPECTED TO CONTINUE TO DEVELOP LATE THIS AFTERNOON
OVER THE REGION. SOME OF THESE MAY BE SEVERE. STAY TUNED TO YOUR LOCAL
TELEVISION OR RADIO STATION FOR LATER UPDATES AND POSSIBLE WARNINGS.
.
STREU
Special weather statement, Jul 20, 4:39 PM EST, 57 minutes before
INZ003>005-012>016-MIZ077>079-202200-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE SOUTH BEND IN
430 PM EST WED JUL 20 1994

 ...A SEVERE THUNDERSTORM WATCH IS IN EFFECT FOR ALL OF NORTH CENTRAL
INDIANA AND SOUTHWEST LOWER MICHIGAN UNTIL 900 PM EST/1000 PM EDT...

AT 425 PM EST...RADAR INDICATED A STRONG THUNDERSTORM WAS OVER FULTON
COUNTY 15 MILES SOUTHWEST OF ROCHESTER...NEAR GRASS CREEK. THIS STORM
WAS MOVING NORTHEAST AT 25 MPH. SOME COMMUNITIES IN THE PATH OF THIS
STORM INCLUDE ROCHESTER.

IF YOU ARE IN THE PATH OF THIS STORM TAKE SHELTER INDOORS IMMEDIATELY.
DO NOT USE YOUR TELEPHONE OR OTHER ELECTRICAL APPLIANCES.

THUNDERSTORMS ARE EXPECTED TO CONTINUE TO DEVELOP LATE THIS A:FTERNOON
OVER THE REGION. SOME OF THESE MAY BE SEVERE. STAY TUNED TO YOUR LOCAL
TELEVISION OR RADIO STATION FOR LATER UPDATES AND POSSIBLE WARNINGS.
.
STREU
Special weather statement, Jul 20, 5:15 PM EST, 21 minutes before
INZ006>009-017-018-024>027-032>034-OHZ001-004-015-202330-
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE FORT WAYNE IN
515 PM EST WED JUL 20 1994

...A SEVERE THUNDERSTORM WATCH IS IN EFFECT FOR PART OF NORTHEAST INDIANA
UNTIL 9 PM EST...

AT 515 PM EST/615 PM EDT...THUNDERSTORMS EXTENDED FROM 20 MILES NORTHWEST
OF FORT WAYNE TO 15 MILES SOUTHWEST OF THE CITY TO MARION INDIANA. THESE
STORMS WERE MOVING NORTHEAST AT 30 MILES PER HOUR AND THEY CONTAINED
DANGEROUS LIGHTNING...GUSTY WINDS...HEAVY RAIN AND SMALL HAIL.

THE STONGEST OF THE STORMS WILL MOVE ACROSS THE FORT WAYNE METRO AREA...
OSSIAN AND BLUFFTON BY 7PM EST.

BY 6 PM EST OR 7 PM EDT...THE STORMS WILL BE LOCATED ALONG A LINE FROM
20 MILES NORTH OF FORT WAYNE TO FORT WAYNE TO 50 MILES SOUTH OF THE CITY.
STAY INSIDE AS THESE STORMS MOVE THROUGH YOUR AREA.

WITSAMAN
Special weather statement, Jul 20, 5:20 PM EST, 16 minutes before
INZ003>005-012>016-MIZ077>079-202330-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE SOUTH BEND IN
520 PM EST WED JUL 20 1994

 ...A SEVERE THUNDERSTORM WATCH IS IN EFFECT FOR ALL OF NORTH CENTRAL
INDIANA AND SOUTHWEST LOWER MICHIGAN UNTIL 900 PM EST / 1000 PM EDT...

AT 515 PM EST...RADAR INDICATED THAT STRONG THUNDERSTORMS WERE ALONG A
LINE FROM 2 MILES EAST OF THOMASTON OR 15 MILES SOUTH OF LAPORTE TO
3 MILES NORTH OF ETNA GREEN OR 15 MILES EAST OF PLYMOUTH.  THESE STORMS
WERE MOVING TO THE NORTHEAST AT 30 MILES AN HOUR.

IF YOU ARE IN THE PATH OF THESE STORMS TAKE SHELTER INDOORS IMMEDIATELY.
DO NOT USE YOUR TELEPHONE OR OTHER ELECTRICAL APPLIANCES.

THUNDERSTORMS ARE EXPECTED TO xCONTINUE TO DEVELOP LATE THIS AFTERNOON
OVER THE REGION.  SOME OF THESE MAY BE SEVERE.  STAY TUNED TO YOUR
LOCAL TELEVISION OR RADIO STATION FOR LATER UPDATES AND POSSIBLE
WARNINGS.

SPRIGGS
Special weather statement, Jul 20, 5:20 PM EST, 16 minutes before
INZ003>005-012>016-MIZ077>079-202330-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE SOUTH BEND IN
520 PM EST WED JUL 20 1994

 ...A SEVERE THUNDERSTORM WATCH IS IN EFFECT FOR ALL OF NORTH CENTRAL
INDIANA AND SOUTHWEST LOWER MICHIGAN UNTIL 900 PM EST / 1000 PM EDT...

AT 515 PM EST...RADAR INDICATED THAT STRONG THUNDERSTORMS WERE ALONG A
LINE FROM 2 MILES EAST OF THOMASTON OR 15 MILES SOUTH OF LAPORTE TO
3 MILES NORTH OF ETNA GREEN OR 15 MILES EAST OF PLYMOUTH.  THESE STORMS
WERE MOVING TO THE NORTHEAST AT 30 MILES AN HOUR.

IF YOU ARE IN THE PATH OF THESE STORMS TAKE SHELTER INDOORS IMMEDIATELY.
DO NOT USE YOUR TELEPHONE OR OTHER ELECTRICAL APPLIANCES.

THUNDERSTORMS ARE EXPECTED TO xCONTINUE TO DEVELOP LATE THIS AFTERNOON
OVER THE REGION.  SOME OF THESE MAY BE SEVERE.  STAY TUNED TO YOUR
LOCAL TELEVISION OR RADIO STATION FOR LATER UPDATES AND POSSIBLE
WARNINGS.

SPRIGGS
Special weather statement, Jul 20, 5:21 PM EST, 15 minutes before
INZ006>009-017-018-024>027-032>034-OHZ001-004-015-202330-
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE FORT WAYNE IN
515 PM EST WED JUL 20 1994

...A SEVERE THUNDERSTORM WATCH IS IN EFFECT FOR PART OF NORTHEAST INDIANA
UNTIL 9 PM EST...

AT 515 PM EST/615 PM EDT...THUNDERSTORMS EXTENDED FROM 20 MILES NORTHWEST
OF FORT WAYNE TO 15 MILES SOUTHWEST OF THE CITY TO MARION INDIANA. THESE
STORMS WERE MOVING NORTHEAST AT 30 MILES PER HOUR AND THEY CONTAINED
DANGEROUS LIGHTNING...GUSTY WINDS...HEAVY RAIN AND SMALL HAIL.

THE STONGEST OF THE STORMS WILL MOVE ACROSS THE FORT WAYNE METRO AREA...
OSSIAN AND BLUFFTON BY 7PM EST.

BY 6 PM EST OR 7 PM EDT...THE STORMS WILL BE LOCATED ALONG A LINE FROzM
20 MILES NORTH OF FORT WAYNE TO FORT WAYNE TO 50 MILES SOUTH OF THE CITY.
STAY INSIDE AS THESE STORMS MOVE THROUGH YOUR AREA.

WITSAMAN

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 20, 6:01 PM ESTSevere Thunderstorm WarningIWXWilliams29 min

Nearby

Severe Thunderstorm Warnings in Indiana, 1994Every severe thunderstorm warning in 1994

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.