Alert archive / Michigan / Severe Thunderstorm Warnings in 2015

Severe Thunderstorm Warning 21, NWS Detroit, MI

June 14, 2015Lenawee County, Michigan

NWS Detroit, MI issued this severe thunderstorm warning at Jun 14, 2015, 1:34 PM EDT for Lenawee County, Michigan. It was in force for 41 min. 1 report came from inside the area while it was in force.

The area

The outline as issued, with what was reported inside it.

The facts

Issued
Jun 14, 2015, 1:34 PM EDT (17:34 UTC)
Expired
Jun 14, 2015, 2:15 PM EDT
In force
41 min
Issued by
NWS Detroit, MI
Area
Storm-based polygon
Hail
1.0 in
Wind
60.0 mph

County Lenawee County, MI

The radar

The Detroit radar (KDTX), 94 km from the middle of the area, began a volume at 17:36 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.

What was reported inside it

TimeReportWhereRemark
Jun 14, 1:50 PM EDTHAIL 0.754 S Tecumseh, MI

Local storm reports filed while the alert was in force, from inside its polygon or its counties.

The nearest sounding before it

Detroit, MI (KDTX), launched 12:00Z, 5.6 hours before the alert went out and 98 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 2015-06-14Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 285 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Detroit, MI at 12:00Z on 2015-06-14The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 130 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
285 J/kg
Mixed-layer CIN
-21 J/kg
Mixed-layer LCL
490 m above ground
0-6 km bulk shear
36 kt
0-1 km storm-relative helicity
130 m²/s²
0-3 km storm-relative helicity
145 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.7

Open this sounding in Storm Lab

The text

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

047 
WUUS53 KDTX 141734
SVRDTX
MIC091-141815-
/O.NEW.KDTX.SV.W.0021.150614T1734Z-150614T1815Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE DETROIT/PONTIAC MI
134 PM EDT SUN JUN 14 2015

THE NATIONAL WEATHER SERVICE IN DETROIT/PONTIAC HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  NORTHEASTERN LENAWEE COUNTY IN SOUTHEASTERN MICHIGAN...

* UNTIL 215 PM EDT

* AT 133 PM EDT...A SEVERE THUNDERSTORM WAS LOCATED NEAR ADRIAN...
  MOVING NORTHEAST AT 30 MPH.

  HAZARD...60 MPH WIND GUSTS AND QUARTER SIZE HAIL. 

  SOURCE...RADAR INDICATED. 

  IMPACT...HAIL DAMAGE TO VEHICLES IS EXPECTED. EXPECT WIND DAMAGE 
           TO ROOFS...SIDING AND TREES. 

* THIS SEVERE THUNDERSTORM WILL BE NEAR...
  TECUMSEH AROUND 150 PM EDT.
  BRITTON AROUND 155 PM EDT.

OTHER LOCATIONS IMPACTED BY THIS SEVERE THUNDERSTORM INCLUDE
CADMUS...RIDGEWAY...ROME CENTER...MACON...HOLLOWAY AND TIPTON.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

FOR YOUR PROTECTION MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF A
BUILDING.

THIS THUNDERSTORM IS CAPABLE OF PRODUCING ALL TYPES OF SEVERE
WEATHER...INCLUDING EXTREMELY LARGE HAIL...DESTRUCTIVE STRAIGHT LINE
WINDS...AND TORNADOES. MOVE QUICKLY TO A SAFE SHELTER...SUCH AS AN
INTERIOR ROOM...A BATHROOM OR CLOSET OR BASEMENT.

&&

LAT...LON 4196 8423 4207 8410 4208 8377 4188 8377
      4187 8419
TIME...MOT...LOC 1733Z 246DEG 37KT 4195 8412 

HAIL...1.00IN
WIND...60MPH
 
$$

SC
3 follow-up statements
877 
WWUS53 KDTX 141740
SVSDTX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE DETROIT/PONTIAC MI
140 PM EDT SUN JUN 14 2015

MIC091-141815-
/O.CON.KDTX.SV.W.0021.000000T0000Z-150614T1815Z/
LENAWEE MI-
140 PM EDT SUN JUN 14 2015

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 215 PM EDT
FOR NORTHEASTERN LENAWEE COUNTY...

AT 140 PM EDT...A SEVERE THUNDERSTORM WAS LOCATED NEAR ADRIAN...
MOVING EAST AT 45 MPH.

HAZARD...GOLF BALL SIZE HAIL AND 70 MPH WIND GUSTS. 

SOURCE...RADAR INDICATED. 

IMPACT...PEOPLE AND ANIMALS OUTDOORS WILL BE INJURED. EXPECT HAIL 
         DAMAGE TO ROOFS...SIDING...WINDOWS AND VEHICLES. EXPECT 
         CONSIDERABLE TREE DAMAGE. WIND DAMAGE IS ALSO LIKELY TO 
         MOBILE HOMES...ROOFS AND OUTBUILDINGS. 

THIS SEVERE STORM WILL BE NEAR...
  TECUMSEH AROUND 150 PM EDT.
  BRITTON AROUND 155 PM EDT.
  DEERFIELD AROUND 200 PM EDT.

OTHER LOCATIONS IMPACTED BY THIS SEVERE THUNDERSTORM INCLUDE
RIDGEWAY...MACON...HOLLOWAY AND TIPTON.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

FOR YOUR PROTECTION MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF A
BUILDING.

THIS THUNDERSTORM IS CAPABLE OF PRODUCING ALL TYPES OF SEVERE
WEATHER...INCLUDING EXTREMELY LARGE HAIL...DESTRUCTIVE STRAIGHT LINE
WINDS...AND TORNADOES. MOVE QUICKLY TO A SAFE SHELTER...SUCH AS AN
INTERIOR ROOM...A BATHROOM OR CLOSET OR BASEMENT.

&&

LAT...LON 4196 8419 4207 8410 4208 8377 4188 8377
      4188 8414
TIME...MOT...LOC 1740Z 259DEG 40KT 4195 8405 

HAIL...1.75IN
WIND...70MPH
 
$$

SC
252 
WWUS53 KDTX 141754
SVSDTX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE DETROIT/PONTIAC MI
154 PM EDT SUN JUN 14 2015

MIC091-141815-
/O.CON.KDTX.SV.W.0021.000000T0000Z-150614T1815Z/
LENAWEE MI-
154 PM EDT SUN JUN 14 2015

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 215 PM EDT
FOR NORTHEASTERN LENAWEE COUNTY...

AT 153 PM EDT...A SEVERE THUNDERSTORM WAS LOCATED NEAR TECUMSEH...
MOVING EAST AT 35 MPH.

HAZARD...60 MPH WIND GUSTS AND QUARTER SIZE HAIL. 

SOURCE...RADAR INDICATED. 

IMPACT...HAIL DAMAGE TO VEHICLES IS EXPECTED. EXPECT WIND DAMAGE TO 
         ROOFS...SIDING AND TREES. 

THIS SEVERE STORM WILL BE NEAR...
  DEERFIELD AROUND 200 PM EDT.

OTHER LOCATIONS IMPACTED BY THIS SEVERE THUNDERSTORM INCLUDE
RIDGEWAY...MACON AND HOLLOWAY.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

FOR YOUR PROTECTION MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF A
BUILDING.

&&

LAT...LON 4197 8402 4207 8396 4208 8377 4188 8377
      4188 8396
TIME...MOT...LOC 1753Z 257DEG 32KT 4198 8389 

HAIL...1.00IN
WIND...60MPH
 
$$

SC
642 
WWUS53 KDTX 141805
SVSDTX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE DETROIT/PONTIAC MI
205 PM EDT SUN JUN 14 2015

MIC091-141815-
/O.EXP.KDTX.SV.W.0021.000000T0000Z-150614T1815Z/
LENAWEE MI-
205 PM EDT SUN JUN 14 2015

...THE SEVERE THUNDERSTORM WARNING FOR NORTHEASTERN LENAWEE COUNTY
WILL EXPIRE AT 215 PM EDT...
        
THE STORM WHICH PROMPTED THE WARNING HAS WEAKENED BELOW SEVERE LIMITS
AND EXITED THE WARNED AREA. THEREFORE THE WARNING WILL BE ALLOWED TO
EXPIRE.

A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 900 PM EDT FOR
SOUTHEASTERN MICHIGAN.

LAT...LON 4197 8402 4207 8396 4208 8377 4188 8377
      4188 8396
TIME...MOT...LOC 1803Z 246DEG 37KT 4198 8389 

$$

SC

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 14, 9:18 AM EDTMarine Dense Fog AdvisoryDTX25 hr
Jun 14, 12:01 PM EDTSpecial Weather StatementDTXLivingston59 min
Jun 14, 2:10 PM EDTAreal Flood AdvisoryDTXWashtenaw, Wayne3 hr
Jun 14, 2:20 PM EDTSpecial Weather StatementDTXMonroe25 min
Jun 14, 2:26 PM EDTSpecial Weather StatementDTXLenawee34 min
Jun 14, 2:28 PM EDTFlash Flood WarningDTXMacomb, Oakland, Washtenaw, Wayne3 hr
Jun 14, 2:35 PM EDTSpecial Weather StatementDTXWayne25 min
Jun 14, 2:44 PM EDTSpecial Marine WarningDTX61 min
Jun 14, 2:49 PM EDTSpecial Weather StatementDTXMonroe26 min
Jun 14, 2:53 PM EDTAreal Flood AdvisoryDTXLenawee, Monroe3 hr
Jun 14, 3:00 PM EDTSpecial Weather StatementDTXWashtenaw30 min
Jun 14, 3:08 PM EDTSevere Thunderstorm WarningDTXLenawee, Monroe, Washtenaw, Wayne67 min
Jun 14, 3:20 PM EDTFlash Flood WarningDTXLenawee, Monroe, Washtenaw, Wayne3 hr
Jun 14, 3:25 PM EDTSpecial Weather StatementDTXLenawee35 min
Jun 14, 3:58 PM EDTSpecial Marine WarningDTX62 min
Jun 14, 4:18 PM EDTSpecial Weather StatementDTXMonroe42 min
Jun 14, 7:41 PM EDTAreal Flood AdvisoryDTXWashtenaw, Wayne2 hr

Nearby

Severe Thunderstorm Warnings in Michigan, 2015Every severe thunderstorm warning in 2015

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.