Alert archive / Michigan / Severe Thunderstorm Warnings in 2013

Severe Thunderstorm Warning 48, NWS Detroit, MI

June 24, 2013Oakland County, Michigan

NWS Detroit, MI issued this severe thunderstorm warning at Jun 24, 2013, 7:38 PM EDT for Oakland County, Michigan. It was in force for 67 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
Jun 24, 2013, 7:38 PM EDT (23:38 UTC)
Expired
Jun 24, 2013, 8:45 PM EDT
In force
67 min
Issued by
NWS Detroit, MI
Area
Storm-based polygon
Hail
0.75 in
Wind
60.0 mph

County Oakland County, MI

The radar

The Detroit radar (KDTX), 8 km from the middle of the area, began a volume at 23:40 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 12:00Z, 11.6 hours before the alert went out and 8 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 2013-06-24Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 113 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 12:00Z on 2013-06-24The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -41 square meters per square second.1939Sfc1 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
113 J/kg
Mixed-layer CIN
-192 J/kg
Mixed-layer LCL
1213 m above ground
0-6 km bulk shear
9 kt
0-1 km storm-relative helicity
-41 m²/s²
0-3 km storm-relative helicity
-49 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

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.

NWS Detroit, MI wrote its last area forecast discussion before this severe thunderstorm warning went out at Jun 24, 7:32 PM EDT, 6 minutes earlier.

Area forecast discussion, Jun 24, 7:32 PM EDT, 6 minutes before
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Hazardous weather outlook, Jun 24, 4:27 AM EDT, 15 hours 11 minutes before
HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE DETROIT/PONTIAC MI
427 AM EDT MON JUN 24 2013

MIZ047>049-053>055-060>063-068>070-075-076-082-083-250830-
MIDLAND-BAY-HURON-SAGINAW-TUSCOLA-SANILAC-SHIAWASSEE-GENESEE-LAPEER-
ST. CLAIR-LIVINGSTON-OAKLAND-MACOMB-WASHTENAW-WAYNE-LENAWEE-MONROE-
427 AM EDT MON JUN 24 2013

THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF SOUTHEAST
MICHIGAN.

.DAY ONE...TODAY AND TONIGHT

THUNDERSTORMS ARE POSSIBLE THIS AFTERNOON AND TONIGHT ACROSS
SOUTHEAST MICHIGAN. WIDESPREAD SEVERE WEATHER IS NOT ANTICIPATED
BUT AN ISOLATED THUNDERSTORM MAY PRODUCE WIND GUSTS TO 60 MPH AND
BRIEF HEAVY RAINFALL. STORM MOTION WILL BE WEST TO EAST AT 20 MPH.

.DAYS TWO THROUGH SEVEN...TUESDAY THROUGH SUNDAY

A VIGOROUS SHORTWAVE WILL TRACK THROUGH THE CENTRAL GREAT LAKES
TUESDAY AND TUESDAY NIGHT...BRINGING A CHANCE OF THUNDERSTORMS TO
THE AREA. THERE IS A SLIGHT RISK FOR SEVERE WEATHER ON TUESDAY
PRIMARILY DURING THE DAYTIME HOURS. DAMAGING WIND GUSTS...LARGE
HAIL...AND HEAVY RAINFALL WILL BE THE PRIMARY THREATS.

THE POTENTIAL FOR THUNDERSTORMS WILL CONTINUE FOR SOUTHEAST
MICHIGAN WEDNESDAY THROUGH FRIDAY AS AN UNSTABLE AIRMASS REMAINS
OVER THE REGION.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION IS NOT ANTICIPATED FOR TODAY AND TONIGHT.

LCZ422-423-460-LEZ444-LHZ361>363-421-422-441>443-462>464-250830-
ST. CLAIR RIVER-DETROIT RIVER-LAKE ST. CLAIR-
MICHIGAN WATERS OF LAKE ERIE FROM DETROIT RIVER TO NORTH CAPE MI-
LAKE HURON FROM 5NM EAST OF MACKINAC BRIDGE TO PRESQUE ISLE LT
BEYOND 5 NM OFF SHORE-
LAKE HURON FROM PRESQUE ISLE LIGHT TO STURGEON POINT MI BEYOND 5NM
OFF SHORE-
LAKE HURON FROM STURGEON POINT TO ALABASTER MI BEYOND 5NM OFF SHORE-
OUTER SAGINAW BAY SW OF ALABASTER TO PORT AUSTIN MI TO INNER SAGINAW
BAY-INNER SAGINAW BAY SW OF POINT AU GRES TO BAY PORT MI-
PORT AUSTIN TO HARBOR BEACH MI-HARBOR BEACH TO PORT SANILAC MI-
PORT SANILAC TO PORT HURON MI-
LAKE HURON FROM PORT AUSTIN TO HARBOR BEACH BEYOND 5NM OFF SHORE-
LAKE HURON FROM HARBOR BEACH TO PORT SANILAC BEYOND 5NM OFF SHORE-
LAKE HURON FROM PORT SANILAC TO PORT HURON BEYOND 5NM OFF SHORE-
427 AM EDT MON JUN 24 2013

THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF LAKE ERIE...LAKE
HURON AND LAKE ST CLAIR.

.DAY ONE...TODAY AND TONIGHT

THUNDERSTORMS ARE POSSIBLE THIS AFTERNOON AND TONIGHT FOR THE
CENTRAL GREAT LAKES REGION. WIDESPREAD SEVERE WEATHER IS NOT
ANTICIPATED BUT AN ISOLATED THUNDERSTORM MAY PRODUCE WIND GUSTS TO
50 KNOTS AND BRIEF HEAVY RAINFALL. STORM MOTION WILL BE WEST TO
EAST BETWEEN 15 AND 20 KNOTS.

.DAYS TWO THROUGH SEVEN...TUESDAY THROUGH SUNDAY

A VIGOROUS SHORTWAVE WILL TRACK THROUGH THE CENTRAL GREAT LAKES
TUESDAY AND TUESDAY NIGHT...BRINGING A CHANCE OF THUNDERSTORMS TO
THE AREA. THERE IS A SLIGHT RISK FOR SEVERE WEATHER ON TUESDAY
PRIMARILY DURING THE DAYTIME HOURS. DAMAGING WIND GUSTS...LARGE
HAIL...AND HEAVY RAINFALL WILL BE THE PRIMARY THREATS.

THE POTENTIAL FOR THUNDERSTORMS WILL CONTINUE FOR SOUTHEAST
MICHIGAN WEDNESDAY THROUGH FRIDAY AS AN UNSTABLE AIRMASS REMAINS
OVER THE REGION.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION IS NOT ANTICIPATED FOR TODAY AND TONIGHT.

CB

YOU CAN OBTAIN YOUR LATEST NATIONAL WEATHER SERVICE FORECASTS ONLINE
AT WWW.WEATHER.GOV/DETROIT (ALL LOWER CASE).

In the hours before

Special weather statement, Jun 24, 6:46 PM EDT, 52 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE DETROIT/PONTIAC MI
646 PM EDT MON JUN 24 2013

MIZ060-061-068-242345-
GENESEE-LIVINGSTON-SHIAWASSEE-
646 PM EDT MON JUN 24 2013

...SPECIAL WEATHER STATEMENT...

AT 642 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
THUNDERSTORMS ALONG A LINE EXTENDING FROM 8 MILES WEST OF LAINGSBURG
TO FOWLERVILLE TO 13 MILES WEST OF PINCKNEY...MOVING EAST AT 20 MPH.

WINDS GREATER THAN 30 MPH...OCCASIONAL CLOUD TO GROUND LIGHTNING...
BRIEF MODERATE DOWNPOURS...ARE POSSIBLE WITH THESE STORMS.

* THUNDERSTORMS WILL BE NEAR...
  GREGORY AND FOWLERVILLE BY 655 PM EDT...
  PERRY AND LAINGSBURG BY 700 PM EDT...
  MORRICE BY 710 PM EDT...
  OAK GROVE AND PINCKNEY BY 715 PM EDT...
  HOWELL AND COHOCTAH BY 720 PM EDT...
  BANCROFT BY 725 PM EDT...
  BYRON BY 730 PM EDT...

GUSTY WINDS MAY CAUSE SMALL OBJECTS SUCH AS TRASH BINS TO BLOW
AROUND. STAY AWAY FROM HIGH OBJECTS OUTDOORS SUCH AS TREES. SEEK
SHELTER IN A STURDY STRUCTURE UNTIL THESE STORMS HAVE PASSED.

MANN
Special weather statement, Jun 24, 7:18 PM EDT, 20 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE DETROIT/PONTIAC MI
718 PM EDT MON JUN 24 2013

MIZ060-061-068-069-250015-
GENESEE-LIVINGSTON-OAKLAND-SHIAWASSEE-
718 PM EDT MON JUN 24 2013

...SIGNIFICANT WEATHER ADVISORY...

AT 714 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
STRONG THUNDERSTORM 5 MILES NORTH OF HOWELL...MOVING NORTHEAST AT 30
MPH.

WINDS GREATER THAN 40 MPH...OCCASIONAL CLOUD TO GROUND LIGHTNING...
BRIEF MODERATE DOWNPOURS...ARE POSSIBLE WITH THIS STORM.

* THE THUNDERSTORM WILL BE NEAR...
  HARTLAND BY 730 PM EDT...
  LINDEN BY 740 PM EDT...
  FENTON BY 745 PM EDT...
  HOLLY BY 755 PM EDT...
  GOODRICH BY 810 PM EDT...
  ORTONVILLE BY 815 PM EDT...

GUSTY WINDS MAY CAUSE SMALL OBJECTS SUCH AS TRASH BINS TO BLOW
AROUND. STAY AWAY FROM HIGH OBJECTS OUTDOORS SUCH AS TREES. SEEK
SHELTER IN A STURDY STRUCTURE UNTIL THIS STORM HAS PASSED.

MANN

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 24, 7:24 PM EDTSevere Thunderstorm WarningDTXLivingston51 min

Nearby

Severe Thunderstorm Warnings in Michigan, 2013Every severe thunderstorm warning in 2013

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.