Alert archive / Michigan / Severe Thunderstorm Warnings in 1991

Severe Thunderstorm Warning 6, NWS Gaylord, MI

May 28, 1991Missaukee County, Michigan

NWS Gaylord, MI issued this severe thunderstorm warning at May 28, 1991, 5:38 PM EDT for Missaukee County, Michigan. It was in force for 23 hr.

The area

The counties it named.

The facts

Issued
May 28, 1991, 5:38 PM EDT (21:38 UTC)
Expired
May 29, 1991, 4:45 PM EDT
In force
23 hr
Issued by
NWS Gaylord, MI
Area
Whole counties

County Missaukee County, MI

The nearest sounding before it

Green Bay/Straub, WI (KGRB), launched 12:00Z, 9.6 hours before the alert went out and 239 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, Green Bay/Straub, WI at 12:00Z on 1991-05-28Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1199 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, Green Bay/Straub, WI at 12:00Z on 1991-05-28The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 36 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
1199 J/kg
Mixed-layer CIN
-56 J/kg
Mixed-layer LCL
972 m above ground
0-6 km bulk shear
28 kt
0-1 km storm-relative helicity
36 m²/s²
0-3 km storm-relative helicity
60 m²/s²
Significant tornado parameter
0.0
Supercell composite
1.3

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

Special weather statement, May 28, 5:13 PM EDT, 25 minutes before
MIZ043-044-045-046-047-063-282200-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE HOUGHTON LAKE MI
510 PM EDT TUE MAY 28 1991

...SEVERE THUNDERSTORMS OVER OTSEGO COUNTY...

AT 510 PM EDT...TWO SEVERE THUNDERSTORMS WERE NEAR GAYLORD IN
OTSEGO COUNDY. ONE WAS 5 MILES NORTHEAST AND THE OTHER WAS 10 MILES
SOUTHWEST. BOTH WERE MOVING EAST AT 45 TO 50 MPH.

IF YOU HAVE NOT TAKEN COVER YET...DO IT NOW.
LH

The office that day

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

IssuedProductOfficeCountiesLasted
May 28, 5:09 PM EDTSevere Thunderstorm WarningAPXCheboygan, Montmorency, Presque Isle66 min
May 28, 5:18 PM EDTSevere Thunderstorm WarningAPXMontmorency42 min
May 28, 6:12 PM EDTSevere Thunderstorm WarningAPXPresque Isle63 min
May 28, 6:22 PM EDTSevere Thunderstorm WarningAPXOscoda68 min
May 28, 6:34 PM EDTSevere Thunderstorm WarningAPXAlpena56 min
May 28, 6:53 PM EDTSevere Thunderstorm WarningAPXAlcona67 min
May 28, 7:19 PM EDTSevere Thunderstorm WarningAPXIosco56 min
May 28, 7:26 PM EDTSevere Thunderstorm WarningAPXMason, Oceana64 min

Nearby

Severe Thunderstorm Warnings in Michigan, 1991Every severe thunderstorm warning in 1991

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.