Alert archive / Michigan / Severe Thunderstorm Warnings in 1987

Severe Thunderstorm Warning 8, NWS Gaylord, MI

June 8, 1987Emmet County, Michigan

NWS Gaylord, MI issued this severe thunderstorm warning at Jun 8, 1987, 12:35 AM EDT for Emmet County, Michigan. It was in force for 55 min.

The area

The counties it named.

The facts

Issued
Jun 8, 1987, 12:35 AM EDT (04:35 UTC)
Expired
Jun 8, 1987, 1:30 AM EDT
In force
55 min
Issued by
NWS Gaylord, MI
Area
Whole counties

County Emmet County, MI

The radar

The WSR-88D network and its archive begin in 1991, so there is no radar volume for this alert.

The nearest sounding before it

Sault Ste Marie, MI (KSSM), launched 00:00Z, 4.6 hours before the alert went out and 111 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, Sault Ste Marie, MI at 00:00Z on 1987-06-08Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 295 joules per kilogram.LCLLFCEL10008507005003002001001 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, Sault Ste Marie, MI at 00:00Z on 1987-06-08The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 140 square meters per square second.19395878Sfc1 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
295 J/kg
Mixed-layer CIN
-288 J/kg
Mixed-layer LCL
886 m above ground
0-6 km bulk shear
52 kt
0-1 km storm-relative helicity
140 m²/s²
0-3 km storm-relative helicity
209 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.1

Open this sounding in Storm Lab

The text

The text of this product is not in the archive. The NWS text archive before 2002 is incomplete.

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

Local storm report, Jun 7, 10:41 PM EDT, 1 hour 54 minutes before
LOCAL STORM REPORT
NATIONAL WEATHER SERVICE SAULT STE MARIE MI
1035 PM EDT SUN JUN 7 1987

 ...RAINFALL REPORTS FROM EARLY MORNING SVR TSTM WARNING...

MAC BRIDGE......................  2.35 INCHES
GRAND MARAIS....................  2.00 INCHES
NEWBERRY........................  1.60 INCHES
RUDYARD.........................  1.23 INCHES
DETOUR..........................  1.18 INCHES
STRONGS.........................  1.03 INCHES
HULBERT.........................  0.70 INCH
SAULT SAINTE MARIE, MI..........  0.22 INCHES
WHITEFISH POINT.................  0.15 INCHES

RDPRUITT

Nearby

Severe Thunderstorm Warnings in Michigan, 1987Every severe thunderstorm warning in 1987

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.