Alert archive / Michigan / Severe Thunderstorm Warnings in 1998

Severe Thunderstorm Warning 92, NWS Northern Indiana

June 26, 1998Branch County, Saint Joseph County, Michigan

NWS Northern Indiana issued this severe thunderstorm warning at Jun 26, 1998, 1:24 AM EDT for Branch County, Saint Joseph County, Michigan. It was in force for 61 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 26, 1998, 1:24 AM EDT (05:24 UTC)
Expired
Jun 26, 1998, 2:25 AM EDT
In force
61 min
Issued by
NWS Northern Indiana
Area
Whole counties

Counties Branch County, MI, Saint Joseph County, MI

The radar

The Northern Indiana radar (KIWX), 70 km from the middle of the area, began a volume at 05:27 UTC, the scan nearest the moment this went out.

Open the radar archive at this moment

The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.

What was reported inside it

TimeReportWhereRemark
Jun 26, 2:00 AM EDTThunderstorm WindColdwater, MISEVERAL TREES BLOWN DOWN ACROSS COUNTY.

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.

The watch it was issued in

The SPC watch in force over the same counties when this warning went out.

IssuedProductOfficeLasted
Jun 25, 8:45 PM EDTSevere Thunderstorm WatchSPC6 hr

The nearest sounding before it

Detroit, MI (KDTX), launched 00:00Z, 5.4 hours before the alert went out and 177 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 00:00Z on 1998-06-26Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1482 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 00:00Z on 1998-06-26The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 46 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
1482 J/kg
Mixed-layer CIN
-45 J/kg
Mixed-layer LCL
1969 m above ground
0-6 km bulk shear
30 kt
0-1 km storm-relative helicity
46 m²/s²
0-3 km storm-relative helicity
120 m²/s²
Significant tornado parameter
0.0
Supercell composite
8.6

Open this sounding in Storm Lab

The text

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

003 
WUUS53 KIWX 260524 RRA
SVRFWA
MIC023-149-260625-

BULLETIN- EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE NORTHERN INDIANA
1224 AM EST FRI JUN 26 1998

THE NATIONAL WEATHER SERVICE IN NORTHERN INDIANA HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  BRANCH COUNTY IN SOUTH CENTRAL LOWER MICHIGAN
  ST JOSEPH COUNTY IN SOUTHWESTERN LOWER MICHIGAN

* UNTIL 225 AM EDT (125 AM EST)

* AT 125 AM EDT... DOPPLER RADAR AT NORTH WEBSTER INDICATED A
  LINE OF SEVERE THUNDERSTORMS EXTENDING FROM UNION CITY TO
  CONSTANTINE MOVING EAST AT 40 MPH.

* THE SEVERE THUNDERSTORMS WILL MOVE THROUGH THE COMMUNITIES OF

  COLON
  BURR OAK

SEEK SHELTER INSIDE A STURDY BUILDING AWAY FROM WINDOWS.  SEVERE
THUNDERSTORMS PRODUCE DESTRUCTIVE HAIL AND DAMAGING WINDS.

TAL/JLA

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 25, 9:06 PM EDT, 4 hours 18 minutes before
MIZ077>081-260630-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE NORTHERN INDIANA
806 PM EST THU JUN 25 1998

...SEVERE THUNDERSTORM WATCH IN EFFECT UNTIL 300 AM EDT...

A SEVERE THUNDERSTORM WATCH HAS BEEN ISSUED FOR SOUTHWEST LOWER
MICHIGAN UNTIL 300 AM EDT. SOME OF THE COUNTIES IN SOUTHWEST LOWER
MICHIGAN INCLUDED IN THE WATCH ARE BERRIEN...CASS...ST JOSEPH...
BRANCH...AND HILLSDALE.

A SEVERE THUNDERSTORM WATCH MEANS CONDITIONS ARE FAVORABLE FOR
THUNDERSTORMS CAPABLE OF PRODUCING LARGE HAIL AND DAMAGING WINDS IN
AND CLOSE TO THE WATCH AREA. REMEMBER...SEVERE THUNDERSTORMS CAN
PRODUCE TORNADOES WITH LITTLE ADVANCE WARNING.

STAY TUNED TO NOAA WEATHER RADIO OR LOCAL MEDIA FOR FURTHER
STATEMENTS AND POSSIBLE WARNINGS.

TAL
Special weather statement, Jun 25, 9:06 PM EDT, 4 hours 18 minutes before
MIZ077>081-260630-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE NORTHERN INDIANA
806 PM EST THU JUN 25 1998

...SEVERE THUNDERSTORM WATCH IN EFFECT UNTIL 300 AM EDT...

A SEVERE THUNDERSTORM WATCH HAS BEEN ISSUED FOR SOUTHWEST LOWER
MICHIGAN UNTIL 300 AM EDT. SOME OF THE COUNTIES IN SOUTHWEST LOWER
MICHIGAN INCLUDED IN THE WATCH ARE BERRIEN...CASS...ST JOSEPH...
BRANCH...AND HILLSDALE.

A SEVERE THUNDERSTORM WATCH MEANS CONDITIONS ARE FAVORABLE FOR
THUNDERSTORMS CAPABLE OF PRODUCING LARGE HAIL AND DAMAGING WINDS IN
AND CLOSE TO THE WATCH AREA. REMEMBER...SEVERE THUNDERSTORMS CAN
PRODUCE TORNADOES WITH LITTLE ADVANCE WARNING.

STAY TUNED TO NOAA WEATHER RADIO OR LOCAL MEDIA FOR FURTHER
STATEMENTS AND POSSIBLE WARNINGS.

TAL

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 25, 8:16 PM EDTSevere Thunderstorm WarningIWXBranch, Saint Joseph44 min
Jun 25, 11:44 PM EDTSevere Thunderstorm WarningIWXBerrien31 min
Jun 26, 12:14 AM EDTSevere Thunderstorm WarningIWXCass46 min
Jun 26, 1:29 AM EDTSevere Thunderstorm WarningIWXBerrien46 min
Jun 26, 1:59 AM EDTSevere Thunderstorm WarningIWXHillsdale46 min
Jun 26, 2:08 AM EDTSevere Thunderstorm WarningIWXBerrien47 min
Jun 26, 5:41 AM EDTSevere Thunderstorm WarningIWXBranch34 min
Jun 26, 6:03 AM EDTSevere Thunderstorm WarningIWXHillsdale47 min

Nearby

Severe Thunderstorm Warnings in Michigan, 1998Every severe thunderstorm warning in 1998

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; radar from the NEXRAD Level II archive.