Alert archive / Michigan / Severe Thunderstorm Warnings in 1998

Severe Thunderstorm Warning 85, NWS Gaylord, MI

June 24, 1998Crawford County, Michigan

NWS Gaylord, MI issued this severe thunderstorm warning at Jun 24, 1998, 10:42 PM EDT for Crawford County, Michigan. It was in force for 63 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 24, 1998, 10:42 PM EDT (02:42 UTC)
Expired: Jun 24, 1998, 11:45 PM EDT
In force: 63 min
Issued by: NWS Gaylord, MI
Area: Whole counties

County Crawford County, MI

What was reported inside it

Time	Report	Where	Remark
Jun 24, 11:30 PM EDT	Thunderstorm Wind 60	Frederic, MI	Strong winds downed trees and powerlines. One tree fell on a house damaging the roof.

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.

Issued	Product	Office	Lasted
Jun 24, 10:30 PM EDT	Tornado Watch	SPC	5 hr

The nearest sounding before it

Alpena, MI (KAPX), launched 00:00Z, 2.7 hours before the alert went out and 179 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-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

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: 1646 J/kg
Mixed-layer CIN: -44 J/kg
Mixed-layer LCL: 985 m above ground
0-6 km bulk shear: 57 kt
0-1 km storm-relative helicity: 241 m²/s²
0-3 km storm-relative helicity: 340 m²/s²
Significant tornado parameter: 3.7
Supercell composite: 15.6

Open this sounding in Storm Lab

The text

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

327 
WUUS1 KAPN 250244 RRA
SVRAPN
MIC039-250345-

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE GAYLORD MI
1042 PM EDT WED JUN 24 1998

THE NATIONAL WEATHER SERVICE IN GAYLORD HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  CRAWFORD COUNTY IN NORTHWESTERN LOWER MICHIGAN

* UNTIL 1145 PM EDT

* AT 1040 PM EDT... NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
  A SEVERE THUNDERSTORM 14 MILES NORTHWEST OF GRAYLING MOVING
  SOUTHEAST AT 25 MPH.

* THE SEVERE THUNDERSTORM WILL REACH...
  GRAYLING BY 1118 PM EDT


A TORNADO WATCH IS ALSO IN EFFECT FOR THE WARNED AREA. SEVERE
THUNDERSTORMS OCCASIONALLY PRODUCE TORNADOES...AND CAN DO SO
RATHER QUICKLY. MOVE INTO AN INTERIOR ROOM ON THE LOWEST FLOOR.

SMITH

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 24, 10:07 PM EDT, 35 minutes before

MIZ008-015>036-041-042-252330-

SEVERE WEATHER OUTLOOK
NATIONAL WEATHER SERVICE GAYLORD MI
1007 PM EDT WED JUN 24 1998

...SEVERE WEATHER POTENTIAL STATEMENT FOR NORTHERN LOWER AND EASTERN
UPPER MICHIGAN...

DISPATCHERS PLEASE NOTIFY YOUR EMERGENCY MANAGERS IMMEDIATELY.

THESE STORMS MAY BE CAPABLE OF PRODUCING WIND GUSTS TO 30 MPH... PEA
SIZED HAIL AND BRIEF HEAVY DOWNPOURS. AGAIN... NONE OF THESE STORMS ARE
EXPECTED TO BECOME SEVERE.

STAY TUNED TO NOAA WEATHER RADIO OR YOUR LOCAL CABLE OR RADIO STATION
FOR THE LATEST WEATHER INFORMATION CONCERNING THE THREAT OF SEVERE
WEATHER IN NORTHERN LOWER MICHIGAN OR EASTERN UPPER MICHIGAN.

Special weather statement, Jun 24, 10:16 PM EDT, 26 minutes before

MIZ016>036-041-042-250615-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE GAYLORD MI
1016 PM EDT WED JUN 24 1998

...TORNADO WATCH 661 IN EFFECT UNTIL 3 AM EDT FOR ALL OF NORTHERN
LOWER MICHIGAN...

THE NATIONAL WEATHER SERVICE HAS ISSUED A TORNADO WATCH FOR ALL OF
NORTHERN LOWER MICHIGAN AND THE ADJACENT COASTAL WATERS OF LAKE
MICHIGAN AND LAKE HURON UNTIL 3 AM EDT.

TORNADOES...HAIL TO 2 INCHES IN DIAMETER AND THUNDERSTORM GUSTS TO 80
MPH WILL BE POSSIBLE ACROSS THE WATCH AREA DURING THE LATE EVENING
AND EARLY OVERNIGHT HOURS.

REMEMBER...A TORNADO WATCH MEANS TORNADOES ARE POSSIBLE IN AND NEAR
THE WATCH AREA. LARGE HAIL AND DAMAGING WINDS MAY ALSO OCCUR. BE
READY TO MOVE TO SHELTER IF A WARNING IS ISSUED FOR YOUR AREA.

BAK

Special weather statement, Jun 24, 10:16 PM EDT, 26 minutes before

MIZ016>036-041-042-250615-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE GAYLORD MI
1016 PM EDT WED JUN 24 1998

...TORNADO WATCH 661 IN EFFECT UNTIL 3 AM EDT FOR ALL OF NORTHERN
LOWER MICHIGAN...

THE NATIONAL WEATHER SERVICE HAS ISSUED A TORNADO WATCH FOR ALL OF
NORTHERN LOWER MICHIGAN AND THE ADJACENT COASTAL WATERS OF LAKE
MICHIGAN AND LAKE HURON UNTIL 3 AM EDT.

TORNADOES...HAIL TO 2 INCHES IN DIAMETER AND THUNDERSTORM GUSTS TO 80
MPH WILL BE POSSIBLE ACROSS THE WATCH AREA DURING THE LATE EVENING
AND EARLY OVERNIGHT HOURS.

REMEMBER...A TORNADO WATCH MEANS TORNADOES ARE POSSIBLE IN AND NEAR
THE WATCH AREA. LARGE HAIL AND DAMAGING WINDS MAY ALSO OCCUR. BE
READY TO MOVE TO SHELTER IF A WARNING IS ISSUED FOR YOUR AREA.

BAK

Special weather statement, Jun 24, 10:30 PM EDT, 12 minutes before

MIZ016>036-041-042-250725-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE GAYLORD MI
1030 PM EDT WED JUN 24 1998

THE NATIONAL WEATHER SERVICE HAS ISSUED A DGF EFFECTIVE SDFG FOR FG.
THE FOLLOWING LOCATIONS ARE INCLUDED IN THIS WINTER STORM WATCH...

IN LOWER MICHIGAN

   ...EMMET... CHEBOYGAN... PRESQUE ISLE... CHARLEVOIX... LEELANAU
   ...ANTRIM... OTSEGO... MONTMORENCY... ALPENA... BENZIE
   ...GRAND TRAVERSE... KALKASKA... CRAWFORD... OSCODA... ALCONA
   ...MANISTEE... WEXFORD... MISSAUKEE... ROSCOMMON... OGEMAW... IOSCO
   ...GLADWIN... ARENAC

AT 1030 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
CLUSTER OF INTENSIFYING THUNDERSTORMS EXTENDING FROM SOUTH OF
CHEBOYGAN SOUTHWEST THROUGH THE MANCELONA AND KALKASKA AREAS.
RECENT RADAR INDICATIONS HAVE SHOWN AN EXPANSION BOTH NORTH AND
SOUTH OF THIS AREA OF THUNDERSTORMS AS IT MOVES TO THE EAST AROUND
30 MPH.

THUNDERSTORM ACTIVITY WILL REACH THE I-75 CORRIDOR NORTH OF HOUGHTON
LAKE BETWEEN 1045 AND 1100 PM. LARGE HAIL WILL BE POSSIBLE WITH
THESE STORMS...AN INCH AND A HALF DIAMETER HAIL HAD BEEN REPORTED AS
THESE STORMS PASSED THROUGH THE BAY SHORE AREA IN CHARLEVOIX COUNTY
AT 955 PM. DAMAGING WINDS BETWEEN 60 AND 80 MPH WILL ALSO BE
POSSIBLE WITH THESE THUNDERSTORMS...ALONG WITH THE THREAT OF
ISOLATED TORNADOES.

REMEMBER...A TORNADO WATCH MEANS TORNADOES ARE POSSIBLE IN AND NEAR
THE WATCH AREA. LARGE HAIL AND DAMAGING WINDS MAY ALSO OCCUR. BE
READY TO MOVE TO SHELTER IF A WARNING IS ISSUED FOR YOUR AREA.

HURLEY

Special weather statement, Jun 24, 10:30 PM EDT, 12 minutes before

MIZ016>036-041-042-250725-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE GAYLORD MI
1030 PM EDT WED JUN 24 1998

THE NATIONAL WEATHER SERVICE HAS ISSUED A DGF EFFECTIVE SDFG FOR FG.
THE FOLLOWING LOCATIONS ARE INCLUDED IN THIS WINTER STORM WATCH...

IN LOWER MICHIGAN

   ...EMMET... CHEBOYGAN... PRESQUE ISLE... CHARLEVOIX... LEELANAU
   ...ANTRIM... OTSEGO... MONTMORENCY... ALPENA... BENZIE
   ...GRAND TRAVERSE... KALKASKA... CRAWFORD... OSCODA... ALCONA
   ...MANISTEE... WEXFORD... MISSAUKEE... ROSCOMMON... OGEMAW... IOSCO
   ...GLADWIN... ARENAC

AT 1030 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
CLUSTER OF INTENSIFYING THUNDERSTORMS EXTENDING FROM SOUTH OF
CHEBOYGAN SOUTHWEST THROUGH THE MANCELONA AND KALKASKA AREAS.
RECENT RADAR INDICATIONS HAVE SHOWN AN EXPANSION BOTH NORTH AND
SOUTH OF THIS AREA OF THUNDERSTORMS AS IT MOVES TO THE EAST AROUND
30 MPH.

THUNDERSTORM ACTIVITY WILL REACH THE I-75 CORRIDOR NORTH OF HOUGHTON
LAKE BETWEEN 1045 AND 1100 PM. LARGE HAIL WILL BE POSSIBLE WITH
THESE STORMS...AN INCH AND A HALF DIAMETER HAIL HAD BEEN REPORTED AS
THESE STORMS PASSED THROUGH THE BAY SHORE AREA IN CHARLEVOIX COUNTY
AT 955 PM. DAMAGING WINDS BETWEEN 60 AND 80 MPH WILL ALSO BE
POSSIBLE WITH THESE THUNDERSTORMS...ALONG WITH THE THREAT OF
ISOLATED TORNADOES.

REMEMBER...A TORNADO WATCH MEANS TORNADOES ARE POSSIBLE IN AND NEAR
THE WATCH AREA. LARGE HAIL AND DAMAGING WINDS MAY ALSO OCCUR. BE
READY TO MOVE TO SHELTER IF A WARNING IS ISSUED FOR YOUR AREA.

HURLEY

Special weather statement, Jun 24, 10:35 PM EDT, 7 minutes before

MIZ016>036-041-042-250725-

SPECIAL WEATHER STATEMENT...CORRECTED.
NATIONAL WEATHER SERVICE GAYLORD MI
1030 PM EDT WED JUN 24 1998

THE NATIONAL WEATHER SERVICE HAS ISSUED A TORNADO WATCH UNTIL 300 AM
EDT FOR THE FOLLOWING LOCATIONS...

ALL OF NORTHERN LOWER MICHIGAN:

   ...EMMET... CHEBOYGAN... PRESQUE ISLE... CHARLEVOIX... LEELANAU
   ...ANTRIM... OTSEGO... MONTMORENCY... ALPENA... BENZIE
   ...GRAND TRAVERSE... KALKASKA... CRAWFORD... OSCODA... ALCONA
   ...MANISTEE... WEXFORD... MISSAUKEE... ROSCOMMON... OGEMAW... IOSCO
   ...GLADWIN... ARENAC

AT 1030 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
CLUSTER OF INTENSIFYING THUNDERSTORMS EXTENDING FROM SOUTH OF
CHEBOYGAN SOUTHWEST THROUGH THE MANCELONA AND KALKASKA AREAS.
RECENT RADAR INDICATIONS HAVE SHOWN AN EXPANSION BOTH NORTH AND
SOUTH OF THIS AREA OF THUNDERSTORMS AS IT MOVES TO THE EAST AROUND
30 MPH.

THUNDERSTORM ACTIVITY WILL REACH THE I-75 CORRIDOR NORTH OF HOUGHTON
LAKE BETWEEN 1045 AND 1100 PM. LARGE HAIL WILL BE POSSIBLE WITH
THESE STORMS...AN INCH AND A HALF DIAMETER HAIL HAD BEEN REPORTED AS
THESE STORMS PASSED THROUGH THE BAY SHORE AREA IN CHARLEVOIX COUNTY
AT 955 PM. DAMAGING WINDS BETWEEN 60 AND 80 MPH WILL ALSO BE
POSSIBLE WITH THESE THUNDERSTORMS...ALONG WITH THE THREAT OF
ISOLATED TORNADOES.

REMEMBER...A TORNADO WATCH MEANS TORNADOES ARE POSSIBLE IN AND NEAR
THE WATCH AREA. LARGE HAIL AND DAMAGING WINDS MAY ALSO OCCUR. BE
READY TO MOVE TO SHELTER IF A WARNING IS ISSUED FOR YOUR AREA.

HURLEY

The office that day

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

Issued	Product	Office	Counties	Lasted
Jun 24, 8:51 PM EDT	Severe Thunderstorm Warning	APX	Leelanau	49 min
Jun 24, 9:22 PM EDT	Severe Thunderstorm Warning	APX	Antrim, Charlevoix	63 min
Jun 24, 9:54 PM EDT	Severe Thunderstorm Warning	APX	Emmet	46 min
Jun 24, 10:20 PM EDT	Severe Thunderstorm Warning	APX	Kalkaska	65 min
Jun 24, 10:23 PM EDT	Severe Thunderstorm Warning	APX	Cheboygan	62 min
Jun 24, 11:11 PM EDT	Tornado Warning	APX	Crawford	49 min
Jun 24, 11:25 PM EDT	Severe Thunderstorm Warning	APX	Oscoda	65 min
Jun 25, 1:38 AM EDT	Severe Thunderstorm Warning	APX	Wexford	42 min
Jun 25, 7:09 PM EDT	Severe Thunderstorm Warning	APX	Alpena, Presque Isle	61 min
Jun 25, 7:27 PM EDT	Severe Thunderstorm Warning	APX	Mackinac	63 min
Jun 25, 7:39 PM EDT	Severe Thunderstorm Warning	APX	Leelanau	61 min
Jun 25, 7:39 PM EDT	Severe Thunderstorm Warning	APX	Antrim	61 min
Jun 25, 7:51 PM EDT	Severe Thunderstorm Warning	APX	Alpena	49 min

Nearby

Severe Thunderstorm Warnings in Michigan, 1998 Every 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.