Alert archive / Michigan / Severe Thunderstorm Warnings in 1998

Severe Thunderstorm Warning 21, NWS Gaylord, MI

May 19, 1998Oscoda County, Michigan

NWS Gaylord, MI issued this severe thunderstorm warning at May 19, 1998, 2:08 PM EDT for Oscoda 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
May 19, 1998, 2:08 PM EDT (18:08 UTC)
Expired
May 19, 1998, 2:55 PM EDT
In force
47 min
Issued by
NWS Gaylord, MI
Area
Whole counties

County Oscoda County, MI

The nearest sounding before it

Detroit, MI (KDTX), launched 12:00Z, 6.1 hours before the alert went out and 225 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 191808 RRA
SVRAPN
MIC135-191855-

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE GAYLORD MI
208 PM EDT TUE MAY 19 1998

THE NATIONAL WEATHER SERVICE IN GAYLORD HAS ISSUED A

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

* UNTIL 255 PM EDT

* AT 205 PM EDT... NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
  A SEVERE THUNDERSTORM 10 MILES SOUTHEAST OF MIO OR 4 MILES SOUTH
  OF MCKINLEY MOVING EAST AT 30 MPH.

* THE SEVERE THUNDERSTORM WILL BE NEAR...
  MACK LAKE AT 220 PM EDT

DAMAGING WINDS...LARGE HAIL...AND FREQUENT CLOUD TO GROUND
LIGHTNING CAN RESULT FROM SEVERE THUNDERSTORMS. PERSONS IN AND NEAR
THESE AREAS SHOULD MzOVE INTO A STURDY BUILDING AWAY FROM WINDOWS.

HIRSCH

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, 2:15 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, 4:48 PM EDTTornado WarningAPXMontmorency62 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

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; the sounding from the Mesonet's radiosonde archive.