Alert archive / Michigan / Severe Thunderstorm Warnings in 1994

Severe Thunderstorm Warning 39, NWS Grand Rapids, MI

June 28, 1994Hillsdale County, Michigan

NWS Grand Rapids, MI issued this severe thunderstorm warning at Jun 28, 1994, 7:34 PM EDT for Hillsdale County, Michigan. It was in force for 41 min.

The area

The counties it named.

The facts

Issued
Jun 28, 1994, 7:34 PM EDT (23:34 UTC)
Expired
Jun 28, 1994, 8:15 PM EDT
In force
41 min
Issued by
NWS Grand Rapids, MI
Area
Whole counties

County Hillsdale County, MI

The nearest sounding before it

Detroit, MI (KFNT), launched 12:00Z, 11.6 hours before the alert went out and 133 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 1994-06-28Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 15 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 1994-06-28The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 63 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
15 J/kg
Mixed-layer CIN
-55 J/kg
Mixed-layer LCL
983 m above ground
0-6 km bulk shear
27 kt
0-1 km storm-relative helicity
63 m²/s²
0-3 km storm-relative helicity
61 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

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

000 
WUUS1 KLAN 282335 RRA
SVRLAN
MIC023-059-290015-
 
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE LANSING MI
734 PM EDT TUE JUN 28 1994
 
THE NATIONAL WEATHER SERVICE IN LANSING HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL  815 PM EDT
FOR PEOPLE IN THE FOLLOWING LOCATIONS...
 
IN SOUTH CENTRAL MICHIGAN
 
   ...SOUTHEASTERN BRANCH COUNTY...WESTERN HILLSDALE COUNTY
 
AT 732 PM EDT...NATIONAL WEATHER SERVICE RADAR INDICATED A SEVERE
THUNDERSTORM IN SOUTHWEST BRANCH COUNTY NEAR CALIFORNIA...OR 40 MILES
SOUTH OF BATTLE CREEK. THE STORM WAS MOVING NORTHEAST AT 30 MILES AN
HOUR...AND WILL MOVE INTO SOUTHWEST HILLSDALE COUNTY NEAR READING AT 745
PM. THE STORM SHOULD REACH THE CITY OF HILLSDALE BY 800 PM.
 
A TORNADO WATCH IS ALSO IN EFFECT FOR THE WARNED AREA.  REMEMBER
SEVERE THUNDERSTORMS CAN AND OCCASIONALLY DO PRODUCE TORNADOES
WITH LITTLE OR NO ADVANCE WARNING.  REMAIN CALM BUT BE ALERT TO
RAPIDLY CHANGING WEATHER CONDITIONS.
 
 
BORIS

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 28, 6:58 PM EDT, 36 minutes before
MIZ051-056-057-058-064-065-071-072-282350-

SPECIAL WEATHER STATEMENT
FOR SOUTHWEST LOWER MICHIGAN
NATIONAL WEATHER SERVICE GRAND RAPIDS MI
658 PM EDT TUE JUN 28 1994

...THE TORNADO WATCH FOR SOUTHWEST LOWER MICHIGAN HAS BEEN CANCELLED...

THE TORNADO WATCH FOR SOUTHWEST LOWER MICHIGAN HAS BEEN CANCELLED. AT
650 PM EDT... WEATHER RADAR SHOWED A LINE OF THUNDERSTORMS EAST OF THE
AREA... STRETCHING FROM LANSING TO BATTLE CREEK. THE STORMS WERE MOVING
EAST AND WILL NO LONGER EFFECT SOUTHWEST LOWER MICHIGAN.
MJK
Special weather statement, Jun 28, 6:59 PM EDT, 35 minutes before
MIZ051-056-057-058-064-065-071-072-282350-

SPECIAL WEATHER STATEMENT
FOR SOUTHWEST LOWER MICHIGAN
NATIONAL WEATHER SERVICE GRAND RAPIDS MI
658 PM EDT TUE JUN 28 1994

...THE TORNADO WATCH FOR SOUTHWEST LOWER MICHIGAN HAS BEEN CANCELLED...

THE TORNADO WATCH FOR SOUTHWEST LOWER MICHIGAN HAS BEEN CANCELLED. AT
650 PM EDT... WEATHER RADAR SHOWED A LINE OF THUNDERSTORMS EAST OF THE
AREA... STRETCHING FROM LANSING TO BATTLE CREEK. THE STORMS WERE MOVING
EAST AND WILL NO LONGER EFFECT SOUTHWEST LOWER MICHIGAN.
MJK
Special weather statement, Jun 28, 7:12 PM EDT, 22 minutes before
MIZ046-052-059-066-067-073-074-080-081-282350-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE LANSING MI
712 PM EDT TUE JUN 28 1994

...TORNADO WATCH REMAINS IN EFFECT UNTIL 1000 PM EDT FOR ALL OF SOUTH
CENTRAL LOWER MICHIGAN...

A TORNADO WATCH REMAINS IN EFFECT FOR SOUTH CENTRAL LOWER MICHIGAN
UNTIL 1000 PM EDT THIS EVENING.  THIS WATCH INCLUDES THE COUNTIES OF
ISABELLA...GRATIOT...CLINTON...EATON...INGHAM...CALHOUN...JACKSON...
BRANCH...AND HILLSDALE.  SOME CITIES INCLUDED IN THE WATCH ARE MOUNT
PLEASANT...ITHACA...LANSING...JACKSON...BATTLE CREEK...COLDWATER...
AND HILLSDALE.

AT 707 PM EDT...NATIONAL WEATHER SERVICE RADAR INDICATED A LINE OF
STRONG THUNDERSTORMS FROM SAGINAW...SOUTHWEST TO LANSING...TO COLDWATER.
THE STRONGEST THUNDERSTORM WAS LOCATED OVER THE TOWN OF HOLT...WHICH IS
7 MILES SOUTH OF LANSING.  THESE STORMS WERE MOVING TO THE EAST
NORTHEAST AT 30 MILES AN HOUR AND WILL AFFECT THE COMMUNITIES OF OKEMOS
AND HASLETT BETWEEN 715 AND 730 PM.  ANOTHER STRONG THUNDERSTORM WAS
LOCATED NEAR BRONSON...OR ABOUT 35 MILES SOUTH OF BATTLE CREEK.  THIS
STORM WILL AFFECT THE TOWN OF COLDWATER BETWEEN 720 AND 745 PM.

THESE THUNDERSTORMS MAY CONTAIN DAMAGING WINDS...LARGE HAIL...VERY
HEAVY RAIN...AND DEADLY LIGHTNING.

REMEMBER...A TORNADO WATCH MEANS CONDITIONS ARE FAVORABLE FOR THE
DEVELOPMENT OF TORNADOES. THUNDERSTORMS CAN PRODUCE TORNADOES WITH
LITTLE OR NO WARNING...SO BE PREPARED TO TAKE SHELTER IF THREATENING
WEATHER APPROACHES.

STAY TUNED TO NATIONAL WEATHER SERVICE WEATHER RADIO...OR LOCAL
RADIO AND TELEVISION STATIONS...FOR LATER STATEMENTS AND POSSIBLE
WARNINGS.

SHEETS
Special weather statement, Jun 28, 7:13 PM EDT, 21 minutes before
MIZ046-052-059-066-067-073-074-080-081-282350-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE LANSING MI
712 PM EDT TUE JUN 28 1994

...TORNADO WATCH REMAINS IN EFFECT UNTIL 1000 PM EDT FOR ALL OF SOUTH
CENTRAL LOWER MICHIGAN...

A TORNADO WATCH REMAINS IN EFFECT FOR SOUTH CENTRAL LOWER MICHIGAN
UNTIL 1000 PM EDT THIS EVENING.  THIS WATCH INCLUDES THE COUNTIES OF
ISABELLA...GRATIOT...CLINTON...EATON...INGHAM...CALHOUN...JACKSON...
BRANCH...AND HILLSDALE.  SOME CITIES INCLUDED IN THE WATCH ARE MOUNT
PLEASANT...ITHACA...LANSING...JACKSON...BATTLE CREEK...COLDWATER...
AND HILLSDALE.

AT 707 PM EDT...NATIONAL WEATHER SERVICE RADAR INDICATED A LINE OF
STRONG THUNDERSTORMS FROM SAGINAW...SOUTHWEST TO LANSING...TO COLDWATER.
THE STRONGEST THUNDERSTORM WAS LOCATED OVER THE TOWN OF HOLT...WHICH IS
7 MILES SOUTH OF LANSING.  THESE STORMS WERE MOVING TO THE EAST
NORTHEAST AT 30 MILES AN HOUR AND WILL AFFECT THE COMMUNITIES OF OKEMOS
AND HASLETT BETWEEN 715 AND 730 PM.  ANOTHER STRONG THUNDERSTORM WAS
LOCATED NEAR BRONSON...OR ABOUT 35 MILES SOUTH OF BATTLE CREEK.  THIS
STORM WILL AFFECT THE TOWN OF COLDWATER BETWEEN 720 AND 745 PM.

THESE THUNDERSTORMS MAY CONTAIN DAMAGING WINDS...LARGE HAIL...VERY
HEAVY RAIN...AND DEADLY LIGHTNING.

REMEMBER...A TORNADO WATCH MEANS CONDITIONS ARE FAVORABLE FOR THE
DEVELOPMENT OF TORNADOES. THUNDERSTORMS CAN PRODUCE TORNADOES WITH
LITTLE OR NO WARNING...SO BE PREPARED TO TAKE SHELTER IF THREATENING
WEATHER APPROACHES.

STAY TUNED TO NATIONAL WEATHER SERVICE WEATHER RADIO...OR LOCAL
RADIO AND TELEVISION STATIONS...FOR LATER STATEMENTS AND POSSIBLE
WARNINGS.

SHEETS
Special weather statement, Jun 28, 7:14 PM EDT, 20 minutes before
MIZ020-021-025>027-031>033-037>039-043>045-050-290115-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE MUSKEGON    MI
714 PM EDT TUE JUN 28 1994

...THE TORNADO WATCH FOR WEST CENTRAL LOWER AND PARTS OF NORTHWEST
LOWER MICHIGAN WAS CANCELLED...

...THE SEVERE THUNDERSTORM WATCH FOR THE GRAND TRAVERSE BAY AREA WAS
CANCELLED...

THE TORNADO WATCH WAS NO LONGER IN EFFECT FOR THE WEST CENTRAL LOWER
MICHIGAN COUNTIES OF WEXFORD... MISSAUKEE... LAKE... OSCEOLA...
NEWAYGO... MECOSTA... AND MUSKEGON.

THE SEVERE THUNDERSTORM WATCH WAS NO LONGER IN EFFECT FOR THE NORTHWEST
LOWER MICHIGAN COUNTIES OF LEELANAU... BENZIE... GRAND TRAVERSE...
ANTRIM AND KALKASKA.

AT 710 PM EDT... WEATHER RADAR SHOWED NO PRECIPITATION FALLING ACROSS
THE NORTHWEST OR WEST CENTRAL LOWER MICHIGAN REGION OR OVER NORTHERN
LAKE MICHIGAN. HOWEVER THERE WILL STILL BE A GOOD CHANCE OF SHOWERS AND
THUNDERSTORMS FOR THIS EVENING. SOME THUNDERSTORMS MAY CONTAIN BRIEF
HEAVY RAIN... GUSTY WINDS AND SMALL HAIL.

AT SIGNS OF AN IMPENDING STORM...TOWERING THUNDERHEADS...DARKENING
SKIES...LIGHTNING AND INCREASING WINDS...MOVE TO A PLACE OF SAFETY.
TUNE IN NATIONAL WEATHER SERVICE WEATHER RADIO OR YOUR LOCAL RADIO
OR TV STATION FOR THE LATEST WEATHER INFORMATION.

THIS WILL BE THE LAST STATEMENT ISSUED CONCERNING THIS WEATHER
EVENT.  HOWEVER...YOUR NATIONAL WEATHER SERVICE WILL CONTINUE TO
MONITOR CONDITIONS AND LATER STATEMENTS WILL BE ISSUED IF
REDEVELOPMENT OCCURS.

JSB
Special weather statement, Jun 28, 7:16 PM EDT, 18 minutes before
MIZ020-021-025>027-031>033-037>039-043>045-050-290115-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE MUSKEGON    MI
714 PM EDT TUE JUN 28 1994

...THE TORNADO WATCH FOR WEST CENTRAL LOWER AND PARTS OF NORTHWEST
LOWER MICHIGAN WAS CANCELLED...

...THE SEVERE THUNDERSTORM WATCH FOR THE GRAND TRAVERSE BAY AREA WAS
CANCELLED...

THE TORNADO WATCH WAS NO LONGER IN EFFECT FOR THE WEST CENTRAL LOWER
MICHIGAN COUNTIES OF WEXFORD... MISSAUKEE... LAKE... OSCEOLA...
NEWAYGO... MECOSTA... AND MUSKEGON.

THE SEVERE THUNDERSTORM WATCH WAS NO LONGER IN EFFECT FOR THE NORTHWEST
LOWER MICHIGAN COUNTIES OF LEELANAU... BENZIE... GRAND TRAVERSE...
ANTRIM AND KALKASKA.

AT 710 PM EDT... WEATHER RADAR SHOWED NO PRECIPITATION FALLING ACROSS
THE NORTHWEST OR WEST CENTRAL LOWER MICHIGAN REGION OR OVER NORTHERN
LAKE MICHIGAN. HOWEVER THERE WILL STILL BE A GOOD CHANCE OF SHOWERS AND
THUNDERSTORMS FOR THIS EVENING. SOME THUNDERSTORMS MAY CONTAIN BRIEF
HEAVY RAIN... GUSTY WINDS AND SMALL HAIL.

AT SIGNS OF AN IMPENDING STORM...TOWERING THUNDERHEADS...DARKENING
SKIES...LIGHTNING AND INCREASING WINDS...MOVE TO A PLACE OF SAFETY.
TUNE IN NATIONAL WEATHER SERVICE WEATHER RADIO OR YOUR LOCAL RADIO
OR TV STATION FOR THE LATEST WEATHER INFORMATION.

THIS WILL BE THE LAST STATEMENT ISSUED CONCERNING THIS WEATHER
EVENT.  HOWEVER...YOUR NATIONAL WEATHER SERVICE WILL CONTINUE TO
MONITOR CONDITIONS AND LATER STATEMENTS WILL BE ISSUED IF
REDEVELOPMENT OCCURS.

JSB

The office that day

Everything else NWS Grand Rapids, MI issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Jun 28, 5:54 PM EDTSevere Thunderstorm WarningGRREaton51 min
Jun 28, 6:13 PM EDTSevere Thunderstorm WarningGRRCalhoun38 min
Jun 28, 6:32 PM EDTSevere Thunderstorm WarningGRRClinton19 min
Jun 28, 7:34 PM EDTSevere Thunderstorm WarningGRRBranch15 min

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.