Alert archive / Michigan / Tornado Warnings in 1998

Tornado Warning 2, NWS Gaylord, MI

May 19, 1998Montmorency County, Michigan

NWS Gaylord, MI issued this tornado warning at May 19, 1998, 4:48 PM EDT for Montmorency County, Michigan. It was in force for 62 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
May 19, 1998, 4:48 PM EDT (20:48 UTC)
Expired
May 19, 1998, 5:50 PM EDT
In force
62 min
Issued by
NWS Gaylord, MI
Area
Whole counties

County Montmorency County, MI

What was reported inside it

TimeReportWhereRemark
May 19, 5:05 PM EDTTornado F0Atlanta, MIThe brief tornado touchdown occurred in association with a supercell which developed when easterly winds associated with an outflow boundary from earlier storms interacted with westerly synoptic scale winds. The tornado briefly touched down then quickly lifted

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 nearest sounding before it

Detroit, MI (KDTX), launched 12:00Z, 8.8 hours before the alert went out and 263 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 1998-05-19Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 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 1998-05-19The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 70 square meters per square second.1939Sfc1 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
2084 m above ground
0-6 km bulk shear
13 kt
0-1 km storm-relative helicity
70 m²/s²
0-3 km storm-relative helicity
76 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 
TTAA00 KAPN 192048 RRA
TORAPN
MIC119-192150-

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE GAYLORD MI
448 PM EDT TUE MAY 19 1998

THE NATIONAL WEATHER SERVICE IN GAYLORD HAS ISSUED A

* TORNADO WARNING FOR...
  MONTMORENCY COUNTY IN NORTHEASTERN LOWER MICHIGAN

* UNTIL 550 PM EDT

* AT 447 PM EDT... NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
  A TORNADO 4 MILES SOUTHEAST OF ATLANTA MOVING SOUTHEAST AT 25 MPH.

* THE TORNADO THREAT IS >EXPECTED TO BE GREATEST NEAR...
  LOCKWOOD LAKE AT 456 PM EDT

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

The office that day

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

IssuedProductOfficeCountiesLasted
May 19, 1:01 PM EDTSevere Thunderstorm WarningAPXOtsego49 min
May 19, 1:26 PM EDTSevere Thunderstorm WarningAPXMontmorency34 min
May 19, 1:56 PM EDTSevere Thunderstorm WarningAPXPresque Isle34 min
May 19, 2:01 PM EDTSevere Thunderstorm WarningAPXAlpena49 min
May 19, 2:08 PM EDTSevere Thunderstorm WarningAPXOscoda47 min
May 19, 2:15 PM EDTSevere Thunderstorm WarningAPXAlcona65 min
May 19, 2:33 PM EDTSevere Thunderstorm WarningAPXIosco47 min
May 19, 3:25 PM EDTSevere Thunderstorm WarningAPXIosco30 min
May 19, 4:07 PM EDTSevere Thunderstorm WarningAPXArenac33 min
May 19, 4:13 PM EDTSevere Thunderstorm WarningAPXArenac32 min
May 19, 4:18 PM EDTSevere Thunderstorm WarningAPXIosco32 min
May 19, 4:28 PM EDTSevere Thunderstorm WarningAPXMontmorency67 min
May 19, 4:45 PM EDTTornado WarningAPXIosco, Ogemaw65 min
May 19, 5:05 PM EDTSevere Thunderstorm WarningAPXArenac35 min
May 19, 5:12 PM EDTTornado WarningAPXAlcona, Alpena63 min
May 19, 5:14 PM EDTTornado WarningAPXArenac36 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; verification from NCEI's Storm Data; the sounding from the Mesonet's radiosonde archive.