Alert archive / Michigan / Severe Thunderstorm Warnings in 1994

Severe Thunderstorm Warning 178, NWS Indianapolis, IN

July 20, 1994Berrien County, Michigan

NWS Indianapolis, IN issued this severe thunderstorm warning at Jul 20, 1994, 6:32 PM EDT for Berrien County, Michigan. It was in force for 23 min.

The area

The counties it named.

The facts

Issued
Jul 20, 1994, 6:32 PM EDT (22:32 UTC)
Expired
Jul 20, 1994, 6:55 PM EDT
In force
23 min
Issued by
NWS Indianapolis, IN
Area
Whole counties

County Berrien County, MI

The nearest sounding before it

Detroit, MI (KFNT), launched 12:00Z, 10.5 hours before the alert went out and 262 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, Detroit, MI at 12:00Z on 1994-07-20Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1598 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, Detroit, MI at 12:00Z on 1994-07-20The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 3 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
1598 J/kg
Mixed-layer CIN
-50 J/kg
Mixed-layer LCL
948 m above ground
0-6 km bulk shear
19 kt
0-1 km storm-relative helicity
3 m²/s²
0-3 km storm-relative helicity
35 m²/s²
Significant tornado parameter
0.1
Supercell composite
1.0

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, 3:06 PM EDT, 3 hours 26 minutes before
INZ028-029-035-036-043>045-051>053-202010-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE INDIANAPOLIS IN
206 PM EST WED JUL 20 1994

...STRONG THUNDERSTORMS OVER WEST CENTRAL INDIANA...

AT 200 PM WEATHER RADAR INDICATED AN AREA OF THUNDERSTORMS DEVELOPING
FROM JUST SOUTH OF LAFAYETTE TO ABOUT 20 MILES NORTHWEST OF TERRE
HAUTE. THE STRONGEST STORMS IN THIS AREA WERE OVER VERMILLION COUNTY
SOUTHWEST OF NEWPORT. OTHER STRONG STORMS WERE JUST NORTHWEST OF
CRAWFORDSVILLE.

THESE STORM WERE MOVING TO THE NORTHEAST AROUND 25 MILES AN HOUR.
SEVERAL OF THESE STORMS HAVE BEEN TRAVELLING ALONG THE SAME PATH. THIS
MAY RESULT IN SOME LOCALLY HEAVY RAINFALL OVER PORTIONS OF WEST CENTRAL
INDIANA.

AT SIGNS OF AN IMPENDING STORM...TOWERING THUNDERHEADS...DARKENING
SKIES...LIGHTNING AND INCREASING WINDS...MOVE TO A PLACE OF SAFETY.
TUNE IN NOAA WEATHER RADIO OR YOUR LOCAL RADIO OR TV STATION FOR
THE LATEST WEATHER INFORMATION.
Special weather statement, Jul 20, 3:07 PM EDT, 3 hours 25 minutes before
INZ028-029-035-036-043>045-051>053-202010-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE INDIANAPOLIS IN
206 PM EST WED JUL 20 1994

...STRONG THUNDERSTORMS OVER WEST CENTRAL INDIANA...

AT 200 PM WEATHER RADAR INDICATED AN AREA OF THUNDERSTORMS DEVELOPING
FROM JUST SOUTH OF LAFAYETTE TO ABOUT 20 MILES NORTHWEST OF TERRE
HAUTE. THE STRONGEST STORMS IN THIS AREA WERE OVER VERMILLION COUNTY
SOUTHWEST OF NEWPORT. OTHER STRONG STORMS WERE JUST NORTHWEST OF
CRAWFORDSVILLE.

THESE STORM WERE MOVING TO THE NORTHEAST AROUND 25 MILES AN HOUR.
SEVERAL OF THESE STORMS HAVE BEEN TRAVELLING ALONG THE SAME PATH. THIS
MAY RESULT IN SOME LOCALLY HEAVY RAINFALL OVER PORTIONS OF WEST CENTRAL
INDIANA.

AT SIGNS OF AN IMPENDING STORM...TOWERING THUNDERHEADS...DARKENING
SKIES...LIGHTNING AND INCREASING WINDS...MOVE TO A PLACE OF SAFETY.
TUNE IN NOAA WEATHER RADIO OR YOUR LOCAL RADIO OR TV STATION FOR
THE LATEST WEATHER INFORMATION.
Special weather statement, Jul 20, 3:55 PM EDT, 2 hours 37 minutes before
INZ028>031-035>040-043>048-051>056-064-065-202055-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE INDIANAPOLIS IN
255 PM EST WED JUL 20 1994

...STRONG THUNDERSTORMS CONTINUE OVER WEST CENTRAL AND CENTRAL
INDIANA....

AT 250 PM WEATHER RADAR INDICATED STRONG THUNDERSTORMS CONTINUING TO
DEVELOP OVER CENTRAL PORTIONS OF THE STATE...SOME WITH HEAVY RAIN.
SOME OF THE STRONGEST STORMS WERE OVER CLINTON COUNTY...JUST WEST OF
FRANKFORT...AND IN PARKE COUNTY WEST OF SHADES STATE PARK.

SMALL HAIL WAS REPORTED IN THE COLFAX AREA OF SOUTHWEST CLINTON COUNTY
AROUND 240 PM. SMALL HAIL WAS ALSO REPORTED IN FOUNTAIN COUNTY NEAR
I-74 AROUND 250 PM. SINCE MANY OF THESE STORMS ARE FOLLOWING ALONG THE
SAME PATH MANY AREAS WILL ALSO RECEIVE SOME LOCALLY HEAVY RAINFALL.

SOME OF THESE STORMS MAY CONTAIN SMALL HAIL...GUSTY WINDS...DEADLY
LIGHTNING AND VERY HEAVY DOWNPOURS OF RAIN.
Special weather statement, Jul 20, 5:28 PM EDT, 1 hour 4 minutes before
INZALL-210200-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE INDIANAPOLIS IN
428 PM EST WED JUL 20 1994

IN INDIANA THE SEVERE THUNDERSTORM WATCH IS IN EFFECT UNTIL 9 PM EST
AND INCLUDES THAT PART OF INDIANA...

NORTH OF A LINE FROM 10 MILES NORTH OF LAFAYETTE TO 10 MILES SOUTH OF
FORT WAYNE.

SOME CITIES INCLUDED ARE... SOUTH BEND...ANGOLA...LOGANSPORT...
RENSSELAER AND FORT WAYNE.

REMEMBER...A WATCH MEANS THAT CONDITIONS ARE FAVORABLE FOR SEVERE
WEATHER IN AND CLOSE TO THE WATCH AREA. PERSONS IN THESE AREAS SHOULD
BE ON THE LOOKOUT FOR THREATENING WEATHER CONDITIONS AND LISTEN FOR
LATER STATEMENTS AND POSSIBLE WARNINGS.
STEIGERWALDT

Nearby

Severe Thunderstorm Warnings in Michigan, 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.