Alert archive / Michigan / Severe Thunderstorm Warnings in 1996

Severe Thunderstorm Warning 21, NWS Detroit, MI

April 19, 1996Lenawee County, Washtenaw County, Michigan

NWS Detroit, MI issued this severe thunderstorm warning at Apr 19, 1996, 11:20 PM EDT for Lenawee County, Washtenaw County, Michigan. It was in force for 40 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
Apr 19, 1996, 11:20 PM EDT (03:20 UTC)
Expired
Apr 20, 1996, 12:00 AM EDT
In force
40 min
Issued by
NWS Detroit, MI
Area
Whole counties

Counties Lenawee County, MI, Washtenaw County, MI

The radar

The Detroit radar (KDTX), 80 km from the middle of the area, began a volume at 03:22 UTC, the scan nearest the moment this went out.

Open the radar archive at this moment

The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.

The nearest sounding before it

Detroit, MI (KDTX), launched 00:00Z, 3.3 hours before the alert went out and 84 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 00:00Z on 1996-04-20Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1 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, Detroit, MI at 00:00Z on 1996-04-20The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 58 square meters per square second.1939587897117Sfc1 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
1 J/kg
Mixed-layer CIN
-28 J/kg
Mixed-layer LCL
2067 m above ground
0-6 km bulk shear
39 kt
0-1 km storm-relative helicity
58 m²/s²
0-3 km storm-relative helicity
79 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 KDTX 200324
SVRDTX
MIC091-161-200400-
 
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE DETROIT PONTIAC MI
1120 PM EDT FRI APR 19 1996
 
THE NATIONAL WEATHER SERVICE IN DETROIT PONTIAC HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL MIDNIGHT EDT
FOR PEOPLE IN THE FOLLOWING LOCATIONS...
 
IN SOUTHEAST LOWER MICHIGAN
 
   ...NORTHEASTERN LENAWEE COUNTY...EASTERN WASHTENAW COUNTY
 
A SEVERE THUNDERSTORM HAS BEEN OBSERVED NORTH OF TECUMSEH IN LENAWEE
BY DOPPLER RADAR AT 1120 PM AND IS MOVING TO THE NORTHEAST AT 35 MPH
AND WILL REACH SALINE IN WASHTENAW COUNTY BY 1135 PM AND NEAR YPSILANTI
BY 1150 PM. THIS STORM HAS A HISTORY OF LARGE HAIL. DAMAGING WINDS
ARE ALSO  POSSIBLE.
 
SEVERE THUNDERSTORMS PRODUCE DAMAGING WIND IN EXCESS OF 55
MPH...DESTRUCTIVE HAIL...DEADLY LIGHTNING...AND VERY HEAVY RAIN.
FOR YOUR PROTECTION MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR
OF YOUR HOME OR BUSINESS.  HEAVY RAIN.S FLOOD ROADS QUICKLY SO
DON'T DRIVE INTO AREAS WHERE WATER COVERS THE ROAD.
 
 
 
&

The office that day

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

IssuedProductOfficeCountiesLasted
Apr 19, 10:29 PM EDTSevere Thunderstorm WarningDTXLenawee46 min
Apr 20, 1:50 AM EDTSevere Thunderstorm WarningDTXMonroe40 min
Apr 20, 2:45 PM EDTSevere Thunderstorm WarningDTXSanilac45 min

Nearby

Severe Thunderstorm Warnings in Michigan, 1996Every severe thunderstorm warning in 1996

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; radar from the NEXRAD Level II archive.