Alert archive / Michigan / Severe Thunderstorm Warnings in 1998

Severe Thunderstorm Warning 123, NWS Gaylord, MI

June 26, 1998Roscommon County, Michigan

NWS Gaylord, MI issued this severe thunderstorm warning at Jun 26, 1998, 1:27 AM EDT for Roscommon County, Michigan. It was in force for 63 min. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued: Jun 26, 1998, 1:27 AM EDT (05:27 UTC)
Expired: Jun 26, 1998, 2:30 AM EDT
In force: 63 min
Issued by: NWS Gaylord, MI
Area: Whole counties

County Roscommon County, MI

The nearest sounding before it

Alpena, MI (KAPX), launched 00:00Z, 5.5 hours before the alert went out and 193 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: 1154 J/kg
Mixed-layer CIN: -5 J/kg
Mixed-layer LCL: 1190 m above ground
0-6 km bulk shear: 70 kt
0-1 km storm-relative helicity: 114 m²/s²
0-3 km storm-relative helicity: 125 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 1.8

Open this sounding in Storm Lab

The text

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

017 
WUUS1 KAPN 260529 RRA
SVRAPN
MIC143-260630-

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE GAYLORD MI
127 AM EDT FRI JUN 26 1998

THE NATIONAL WEATHER SERVICE IN GAYLORD HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  ROSCOMMON COUNTY IN NORTHEASTERN LOWER MICHIGAN

* UNTIL 230 AM EDT

* AT 125 AM EDT... NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM 3 MILES WEST OF HOUGHTON LAKE MOVING EAST AT 35
  MPH.

* THE SEVERE THUNDERSTORMS WILL REACH...
  HOUGHTON LAKE BY 132 AM EDT
  ST HELEN BY 141 AM EDT

DAMAGING WINDS...LARGE HAIL...AND FREQUENT CLOUD TO GROUND
LIGHTNING CAN RESULT FROM SEVERE THUNDERSTORMS. PERSONS IN AND NEAR
THESE AREAS SHOULD REMAIN INDOORS AWAY FROM WINDOWS UNTIL THE STORM
HAS PASSED.

NORCROSS/SPRIGGS

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.

NWS Gaylord, MI wrote its last area forecast discussion before this severe thunderstorm warning went out at Jun 25, 11:55 AM EDT, 13 hours 32 minutes earlier.

Area forecast discussion, Jun 25, 11:55 AM EDT, 13 hours 32 minutes before

AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE GAYLORD MI
1154 AM EDT THU JUN 25 1997

WILL MAKE COSMETIC CHANGES TO NRN LWR/ERN UPR ZONES FOR THE AFTN. DYING
NOCTURNAL CONVECTION/THINNING CLD DEBRIS ALREADY NOTED ON STLT IMAGES
AND WITH RECENT OBS. WILL ADJUST TEMPS AS NECESSARY...THO IT APPEARS
ONGOING FCST IS FINE.

OBVIOUS CONCERN TDA WILL BE WITH SVR WX. MODIFIED 12Z KAPX SOUNDING
VERY IMPRESSIVE AS FAR AS SFC BASED INSTBY AND (ESP) WITH SHEAR
PROFILE. MODIFIED CAPES (ASSUMING 88/68 REGIME) PEAK AT 3000-3500
J/KG...WITH LI'S AROUND -9...SWEAT AT 389...TT'S AT 50...AND SHOWALTER
INDEX OF -2. MOST IMPRESSIVE IS SHEAR PROFILE/SR HELICITY ASSUMING A
STORM MOTION CLOSE TO 850-500 MB AVE WIND (260 AT 40 KTS)...SR
HELICITIES OF 306 IN 0-2KM LYR AND AROUND 350 IN 0-3KM LYR. CERTAINLY
HAVE TO WATCH THE SRN PTNS OF NRN LWR (ALONG-SOUTH OF M-32) THIS AFTN
AS THIS REGION SHOULD HEAT UP QUITE NICELY. UPR SUPPORT ONCE AGAIN
NOTED...WITH GOOD 500 MB JET CORE OF 50-55 KTS MOVING IN ALONG WITH
SOME UPR LVL DIVERGENCE DUE TO PDVA AND FVRBL POSITIONING UNDER UPR LVL
JET CORES...ONLY TDA IT APPEARS AS IF IT WILL BE MORE FROM RIGHT
ENTRANCE FORCING OF JET SPEED GRADIENT TO THE NORTH.

HUtRLEY

In the hours before

Local storm report, Jun 25, 9:52 PM EDT, 3 hours 35 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE GAYLORD MI
952 PM EDT THU JUN 25 1998

TIME(EDT)  .....CITY LOCATION..... STATE  ...EVENT/REMARKS...
           ....COUNTY LOCATION....

0810 PM    2 NE KALKASKA             MI   TORNADO
06/25/98   KALKASKA

0823 PM    GAYLORD                   MI   70 MPH TSTM GUST
06/25/98   OTSEGO                         5 MILES EAST OF GAYLORD 6
                                          INCH LIMBS DOWN

0830 PM    WATERS                    MI   WIND DAMAGE
06/25/98   OTSEGO                         DOZEN LARGE OAKS 18-24
                                          INCH DIAMETER SNAPPED OFF

Local storm report, Jun 25, 9:52 PM EDT, 3 hours 35 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE GAYLORD MI
952 PM EDT THU JUN 25 1998

TIME(EDT)  .....CITY LOCATION..... STATE  ...EVENT/REMARKS...
           ....COUNTY LOCATION....

0810 PM    2 NE KALKASKA             MI   TORNADO
06/25/98   KALKASKA

0823 PM    GAYLORD                   MI   70 MPH TSTM GUST
06/25/98   OTSEGO                         5 MILES EAST OF GAYLORD 6
                                          INCH LIMBS DOWN

0830 PM    WATERS                    MI   WIND DAMAGE
06/25/98   OTSEGO                         DOZEN LARGE OAKS 18-24
                                          INCH DIAMETER SNAPPED OFF

Special weather statement, Jun 25, 10:14 PM EDT, 3 hours 13 minutes before

MIZ008-015>036-041-042-260700-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE GAYLORD MI
1014 PM EDT THU JUN 25 1998

...TWO WATCHES CONTINUE IN EFFECT FOR THE AREA...

...A TORNADO WATCH CONTINUES IN EFFECT UNTIL 1 AM EDT FOR THE
FOLLOWING LOCATIONS...

IN UPPER MICHIGAN

   ...CHIPPEWA AND MACKINAC COUNTIES

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...
   AND IOSCO COUNTIES.

...A SEVERE THUNDERSTORM WATCH CONTINUES IN EFFECT UNTIL 3 AM
EDT FOR THE FOLLOWING LOCATIONS...

IN LOWER MICHIGAN

   ...GLADWIN AND ARENAC COUNTIES.

SEVERAL WAVES OF STRONG TO SEVERE THUNDERSTORMS WILL CROSS THE AREA
THROUGH THE OVERNIGHT HOURS.  DUE TO THE WARM AND MUGGY AIR OVER THE
AREA AND STRONG WINDS ALOFT THE ENTIRE SPECTRUM OF SEVERE WEATHER
MAY ACCOMPANY THESE STORMS OVERNIGHT.  HEAVY RAIN...NEARLY
CONTINUOUS LIGHTNING...LARGE HAIL...DAMAGING THUNDERSTORM
WINDS...AND EVEN TORNADOES MAY BE ASSOCIATED WITH THESE STORMS.

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.

STAY TUNED TO NOAA WEATHER RADIO OR YOUR LOCAL TELEVISION OR RADIO
STATIONS FOR THE LATEST ON THIS LATEST SEVERE WEATHER WATCH.

HIRSCH

Special weather statement, Jun 25, 10:14 PM EDT, 3 hours 13 minutes before

MIZ008-015>036-041-042-260700-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE GAYLORD MI
1014 PM EDT THU JUN 25 1998

...TWO WATCHES CONTINUE IN EFFECT FOR THE AREA...

...A TORNADO WATCH CONTINUES IN EFFECT UNTIL 1 AM EDT FOR THE
FOLLOWING LOCATIONS...

IN UPPER MICHIGAN

   ...CHIPPEWA AND MACKINAC COUNTIES

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...
   AND IOSCO COUNTIES.

...A SEVERE THUNDERSTORM WATCH CONTINUES IN EFFECT UNTIL 3 AM
EDT FOR THE FOLLOWING LOCATIONS...

IN LOWER MICHIGAN

   ...GLADWIN AND ARENAC COUNTIES.

SEVERAL WAVES OF STRONG TO SEVERE THUNDERSTORMS WILL CROSS THE AREA
THROUGH THE OVERNIGHT HOURS.  DUE TO THE WARM AND MUGGY AIR OVER THE
AREA AND STRONG WINDS ALOFT THE ENTIRE SPECTRUM OF SEVERE WEATHER
MAY ACCOMPANY THESE STORMS OVERNIGHT.  HEAVY RAIN...NEARLY
CONTINUOUS LIGHTNING...LARGE HAIL...DAMAGING THUNDERSTORM
WINDS...AND EVEN TORNADOES MAY BE ASSOCIATED WITH THESE STORMS.

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.

STAY TUNED TO NOAA WEATHER RADIO OR YOUR LOCAL TELEVISION OR RADIO
STATIONS FOR THE LATEST ON THIS LATEST SEVERE WEATHER WATCH.

HIRSCH

Special weather statement, Jun 26, 1:05 AM EDT, 22 minutes before

MIZ008-015>036-041-042-260700-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE GAYLORD MI
105 AM EDT FRI JUN 26 1998

...TORNADO WATCH EXPIRED FOR THE FOLLOWING LOCATIONS...

IN UPPER MICHIGAN

   ...CHIPPEWA AND MACKINAC COUNTIES

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...
   AND IOSCO COUNTIES.

...A SEVERE THUNDERSTORM WATCH THAT WAS IN EFFECT UNTIL 3 AM HAS
BEEN CANCELLED
AT 1 AM EDT FOR THE FOLLOWING LOCATIONS...

IN LOWER MICHIGAN

   ...GLADWIN AND ARENAC COUNTIES.

SEVERAL LINES OF STRONG TO SEVERE THUNDERSTORMS MOVED ACROSS THE AREA
THIS EVENING. THE TORNADO WATCH FOR MOST OF NORTHERN MICHIGAN HAS
BEEN ALLOWED
TO EXPIRE AT 100 AM EDT. A SEVERE THUNDERSTORM WATCH IN EFFECT UNTIL
300 AM
FOR GLADWIN AND ARENEAC COUNTIES HAS BEEN CANCELLED AT 100 AM.

SHOWERS AND THUNDERSTORMS WILL CONTINUE TO MOVE ACROSS NORTHERN
LOWER AND EASTERN
UPPER THROUGH THE OVERNIGHT HOURS BUT NONE ARE EXPECTED TO BE
SEVERE. HOWEVER...
THESE STORMS MAY PRODUCE SMALL HAIL... GUSTY WINDS... VERY HEAVY
RAIN AND
FREQUENT DANGEROUS CLOUD TO GROUND LIGHTNING AS THEY PASS OVERHEAD.
IF THUNDERSTORMS
APPROACH YOUR LOCALE MOVE INDOORS AWAY FROM WINDOWS AND DOORS AND
STAY AWAY FROM
ELECTRI>CAL APPLIANCES. DO NOT USE THE TELEPHONE WHILE THUNDERSTORMS
ARE NEAR UNLESS
YOU HAVE AN EMERGENCY.

STAY TUNED TO NOAA WEATHER RADIO OR YOUR LOCAL TELEVISION OR RADIO
STATIONS FOR THE LATEST ON THIS LATEST SEVERE WEATHER WATCH.

KEITH

Special weather statement, Jun 26, 1:05 AM EDT, 22 minutes before

MIZ008-015>036-041-042-260700-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE GAYLORD MI
105 AM EDT FRI JUN 26 1998

...TORNADO WATCH EXPIRED FOR THE FOLLOWING LOCATIONS...

IN UPPER MICHIGAN

   ...CHIPPEWA AND MACKINAC COUNTIES

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...
   AND IOSCO COUNTIES.

...A SEVERE THUNDERSTORM WATCH THAT WAS IN EFFECT UNTIL 3 AM HAS
BEEN CANCELLED
AT 1 AM EDT FOR THE FOLLOWING LOCATIONS...

IN LOWER MICHIGAN

   ...GLADWIN AND ARENAC COUNTIES.

SEVERAL LINES OF STRONG TO SEVERE THUNDERSTORMS MOVED ACROSS THE AREA
THIS EVENING. THE TORNADO WATCH FOR MOST OF NORTHERN MICHIGAN HAS
BEEN ALLOWED
TO EXPIRE AT 100 AM EDT. A SEVERE THUNDERSTORM WATCH IN EFFECT UNTIL
300 AM
FOR GLADWIN AND ARENEAC COUNTIES HAS BEEN CANCELLED AT 100 AM.

SHOWERS AND THUNDERSTORMS WILL CONTINUE TO MOVE ACROSS NORTHERN
LOWER AND EASTERN
UPPER THROUGH THE OVERNIGHT HOURS BUT NONE ARE EXPECTED TO BE
SEVERE. HOWEVER...
THESE STORMS MAY PRODUCE SMALL HAIL... GUSTY WINDS... VERY HEAVY
RAIN AND
FREQUENT DANGEROUS CLOUD TO GROUND LIGHTNING AS THEY PASS OVERHEAD.
IF THUNDERSTORMS
APPROACH YOUR LOCALE MOVE INDOORS AWAY FROM WINDOWS AND DOORS AND
STAY AWAY FROM
ELECTRI>CAL APPLIANCES. DO NOT USE THE TELEPHONE WHILE THUNDERSTORMS
ARE NEAR UNLESS
YOU HAVE AN EMERGENCY.

STAY TUNED TO NOAA WEATHER RADIO OR YOUR LOCAL TELEVISION OR RADIO
STATIONS FOR THE LATEST ON THIS LATEST SEVERE WEATHER WATCH.

KEITH

The office that day

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

Issued	Product	Office	Counties	Lasted
Jun 25, 8:08 PM EDT	Severe Thunderstorm Warning	APX	Otsego	62 min
Jun 25, 8:12 PM EDT	Severe Thunderstorm Warning	APX	Charlevoix, Cheboygan	63 min
Jun 25, 8:17 PM EDT	Tornado Warning	APX	Kalkaska	63 min
Jun 25, 8:21 PM EDT	Severe Thunderstorm Warning	APX	Crawford	64 min
Jun 25, 8:30 PM EDT	Severe Thunderstorm Warning	APX	Montmorency, Presque Isle	65 min
Jun 25, 8:47 PM EDT	Tornado Warning	APX	Crawford	48 min
Jun 25, 8:51 PM EDT	Severe Thunderstorm Warning	APX	Benzie, Leelanau	64 min
Jun 25, 8:55 PM EDT	Severe Thunderstorm Warning	APX	Oscoda	65 min
Jun 25, 9:05 PM EDT	Severe Thunderstorm Warning	APX	Alpena	60 min
Jun 25, 9:26 PM EDT	Severe Thunderstorm Warning	APX	Alcona	64 min
Jun 25, 10:04 PM EDT	Severe Thunderstorm Warning	APX	Wexford	46 min
Jun 25, 10:40 PM EDT	Severe Thunderstorm Warning	APX	Otsego	65 min
Jun 25, 10:43 PM EDT	Severe Thunderstorm Warning	APX	Roscommon	62 min
Jun 25, 11:17 PM EDT	Severe Thunderstorm Warning	APX	Ogemaw	48 min
Jun 25, 11:26 PM EDT	Tornado Warning	APX	Ogemaw	49 min
Jun 25, 11:31 PM EDT	Severe Thunderstorm Warning	APX	Iosco	64 min
Jun 25, 11:41 PM EDT	Severe Thunderstorm Warning	APX	Alcona	49 min
Jun 26, 12:28 AM EDT	Tornado Warning	APX	Iosco	47 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; the sounding from the Mesonet's radiosonde archive.