Alert archive / Michigan / Tornado Warnings in 1998

Tornado Warning 13, NWS Gaylord, MI

June 26, 1998Iosco County, Michigan

NWS Gaylord, MI issued this tornado warning at Jun 26, 1998, 12:28 AM EDT for Iosco County, Michigan. It was in force for 47 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, 12:28 AM EDT (04:28 UTC)
Expired
Jun 26, 1998, 1:15 AM EDT
In force
47 min
Issued by
NWS Gaylord, MI
Area
Whole counties

County Iosco County, MI

The watch it was issued in

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

IssuedProductOfficeLasted
Jun 25, 6:30 PM EDTTornado WatchSPC7 hr

The nearest sounding before it

Alpena, MI (KAPX), launched 00:00Z, 4.5 hours before the alert went out and 123 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, Alpena, MI at 00:00Z on 1998-06-26Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1154 joules per kilogram.LCLEL10008507005003002001001 km2 km3 km6 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Alpena, MI at 00:00Z on 1998-06-26The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 114 square meters per square second.1939587897117Sfc1 km3 km6 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
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.

000 
TTAA00 KAPN 260430 RRA
TORAPN
MIC069-MIZ539-260515-

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE GAYLORD MI
1228 AM EDT FRI JUN 26 1998

THE NATIONAL WEATHER SERVICE IN GAYLORD HAS ISSUED A

* TORNADO WARNING FOR...
  IOSCO COUNTY INCLUDING ADJACENT COASTAL WATERS IN NORTHEASTERN LOWER
  MICHIGAN

* UNTIL 115 AM EDT

* AT 1225 AM EDT... SPOTTERS REPORTED A TORNADO 15 MILES NORTHEAST
  OF LUPTON...NEAR SOUTH BRANCH. THE STORM WAS MOVING EAST AT 35 MPH.

* THE TORNADO THREAT IS EXPECTED TO BE GREATEST AT...

  LONG LAKE BY 1235 AM EDT
  HALE BY 1240 AM EDT

PERSONS IN AND NEAR THESE AREAS SHOULD IMMEDIATELY MOVE INTO A
BASEMENT OR INTERIOR ROOM ON THE LOWEST FLOOR AWAY FROM WINDOWS.

NORCROSS/HURLEY
&

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 25, 8:08 PM EDTSevere Thunderstorm WarningAPXOtsego62 min
Jun 25, 8:12 PM EDTSevere Thunderstorm WarningAPXCharlevoix, Cheboygan63 min
Jun 25, 8:17 PM EDTTornado WarningAPXKalkaska63 min
Jun 25, 8:21 PM EDTSevere Thunderstorm WarningAPXCrawford64 min
Jun 25, 8:30 PM EDTSevere Thunderstorm WarningAPXMontmorency, Presque Isle65 min
Jun 25, 8:47 PM EDTTornado WarningAPXCrawford48 min
Jun 25, 8:51 PM EDTSevere Thunderstorm WarningAPXBenzie, Leelanau64 min
Jun 25, 8:55 PM EDTSevere Thunderstorm WarningAPXOscoda65 min
Jun 25, 9:05 PM EDTSevere Thunderstorm WarningAPXAlpena60 min
Jun 25, 9:26 PM EDTSevere Thunderstorm WarningAPXAlcona64 min
Jun 25, 10:04 PM EDTSevere Thunderstorm WarningAPXWexford46 min
Jun 25, 10:40 PM EDTSevere Thunderstorm WarningAPXOtsego65 min
Jun 25, 10:43 PM EDTSevere Thunderstorm WarningAPXRoscommon62 min
Jun 25, 11:17 PM EDTSevere Thunderstorm WarningAPXOgemaw48 min
Jun 25, 11:26 PM EDTTornado WarningAPXOgemaw49 min
Jun 25, 11:31 PM EDTSevere Thunderstorm WarningAPXIosco64 min
Jun 25, 11:41 PM EDTSevere Thunderstorm WarningAPXAlcona49 min
Jun 26, 1:27 AM EDTSevere Thunderstorm WarningAPXRoscommon63 min

Nearby

Tornado Warnings in Michigan, 1998Every tornado warning in 1998Tornadoes 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.