Alert archive / Michigan / Severe Thunderstorm Warnings in 1995

Severe Thunderstorm Warning 21, NWS Gaylord, MI

July 13, 1995Alpena County, Montmorency County, Michigan

NWS Gaylord, MI issued this severe thunderstorm warning at Jul 13, 1995, 2:38 PM EDT for Alpena County, Montmorency County, Michigan. It was in force for 52 min.

The area

The counties it named.

The facts

Issued
Jul 13, 1995, 2:38 PM EDT (18:38 UTC)
Expired
Jul 13, 1995, 3:30 PM EDT
In force
52 min
Issued by
NWS Gaylord, MI
Area
Whole counties

Counties Alpena County, MI, Montmorency County, MI

The nearest sounding before it

Alpena, MI (KAPX), launched 12:00Z, 6.6 hours before the alert went out and 109 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 12:00Z on 1995-07-13Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1002 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, Alpena, MI at 12:00Z on 1995-07-13The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 119 square meters per square second.193958Sfc1 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
1002 J/kg
Mixed-layer CIN
-254 J/kg
Mixed-layer LCL
370 m above ground
0-6 km bulk shear
31 kt
0-1 km storm-relative helicity
119 m²/s²
0-3 km storm-relative helicity
115 m²/s²
Significant tornado parameter
0.0
Supercell composite
1.0

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

000 
TTAA00 KAPN 131839 RRA
SVRAPN
MIC007-119-131930-
 
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE ALPENA MI
238 PM EDT THU JUL 13 1995
 
THE NATIONAL WEATHER SERVICE IN ALPENA HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL  330 PM EDT
FOR PEOPLE IN THE FOLLOWING LOCATIONS...
 
IN NORTHEAST LOWER PENINSULA
 
   ...ALPENA COUNTY...MONTMORENCY COUNTY
 
...THIS WARNING ALSO INCLUDES THE ADJACENT COASTAL WATERS FOR THE
COUNTIES JUST MENTIONED
 
AT 235 PM...NATIONAL WEATHER SERVICE RADAR INDICATED A SEVERE
THUNDERSTORM 10 MILES NORTHWEST OF ATLANTA. THE STORM WAS MOVING
SOUTHEAST AT 40 MPH.
 
THE SEVERE THUNDERSTORM WILL MOVE TO HILLMAN BY 245 PM...THEN TO 7 MILES
SOUTH OF LACHINE BY 3 PM. GUSTY WINDS TO 60 MPH WILL BE POSSIBLE WITH
THIS STORM.
 
STAY AWAY FROM WINDOWS AND AVOID USING TELEPHONES. IF YOU SEE
LIGHTNING WHILE YOU ARE OUTSIDE...YOU ARE TOO CLOSE TO THE
THUNDERSTORM. MOVE INSIDE.

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 13, 12:57 PM EDTSevere Thunderstorm WarningAPXMackinac63 min
Jul 13, 1:29 PM EDTSevere Thunderstorm WarningAPXCharlevoix, Cheboygan, Emmet61 min
Jul 13, 1:54 PM EDTSevere Thunderstorm WarningAPXMackinac51 min
Jul 13, 2:08 PM EDTSevere Thunderstorm WarningAPXLeelanau37 min
Jul 13, 2:21 PM EDTSevere Thunderstorm WarningAPXAntrim, Kalkaska54 min
Jul 13, 2:25 PM EDTSevere Thunderstorm WarningAPXCheboygan, Presque Isle65 min
Jul 13, 3:02 PM EDTSevere Thunderstorm WarningAPXMissaukee, Wexford43 min
Jul 13, 3:10 PM EDTSevere Thunderstorm WarningAPXAlcona50 min
Jul 13, 3:31 PM EDTSevere Thunderstorm WarningAPXAlpena44 min
Jul 13, 3:40 PM EDTSevere Thunderstorm WarningAPXLake, Osceola50 min
Jul 13, 3:49 PM EDTSevere Thunderstorm WarningAPXAlcona, Iosco56 min
Jul 13, 4:02 PM EDTTornado WarningAPXAlcona43 min
Jul 13, 4:15 PM EDTTornado WarningAPXArenac60 min

Nearby

Severe Thunderstorm Warnings in Michigan, 1995Every severe thunderstorm warning in 1995

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.