Alert archive / Michigan / Severe Thunderstorm Warnings in 2015

Severe Thunderstorm Warning 18, NWS Detroit, MI

June 8, 2015Huron County, Sanilac County, Tuscola County, Michigan

NWS Detroit, MI issued this severe thunderstorm warning at Jun 8, 2015, 1:24 PM EDT for Huron County, Sanilac County, Tuscola County, Michigan. It was in force for 81 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 8, 2015, 1:24 PM EDT (17:24 UTC)
Expired: Jun 8, 2015, 2:45 PM EDT
In force: 81 min
Issued by: NWS Detroit, MI
Area: Storm-based polygon
Hail: 1.0 in
Wind: 60.0 mph

Counties Huron County, MI, Sanilac County, MI, Tuscola County, MI

The radar

The Detroit radar (KDTX), 109 km from the middle of the area, began a volume at 17:25 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, 5.4 hours before the alert went out and 106 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-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

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: 117 J/kg
Mixed-layer CIN: -30 J/kg
Mixed-layer LCL: 580 m above ground
0-6 km bulk shear: 35 kt
0-1 km storm-relative helicity: 76 m²/s²
0-3 km storm-relative helicity: 84 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 8, 1:05 PM EDT, 19 minutes earlier.

Area forecast discussion, Jun 8, 1:05 PM EDT, 19 minutes before

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Hazardous weather outlook, Jun 8, 4:43 AM EDT, 8 hours 41 minutes before

HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE DETROIT/PONTIAC MI
443 AM EDT MON JUN 8 2015

MIZ047>049-053>055-060>063-068>070-075-076-082-083-090845-
MIDLAND-BAY-HURON-SAGINAW-TUSCOLA-SANILAC-SHIAWASSEE-GENESEE-LAPEER-
ST. CLAIR-LIVINGSTON-OAKLAND-MACOMB-WASHTENAW-WAYNE-LENAWEE-MONROE-
443 AM EDT MON JUN 8 2015

THIS HAZARDOUS WEATHER OUTLOOK IS FOR SOUTHEAST MICHIGAN.

.DAY ONE...TODAY AND TONIGHT

THUNDERSTORMS ARE LIKELY DURING THE AFTERNOON AND EVENING. THE
STRONGEST STORMS COULD APPROACH SEVERE LIMITS WITH DIME SIZE HAIL
AND WIND GUSTS NEAR 50 MPH. THE BEST TIME WINDOW FOR STORMS IS
FROM 3 PM TO 9 PM. MOVEMENT WILL BE WEST TO EAST AT 30 MPH.

SHOWERS AND A FEW WEAK THUNDERSTORMS PRIOR TO SUNRISE WILL MOVE
OUT OF THE AREA WITH AN EQUALLY WEAK COLD FRONT BY MID MORNING.
THIS WILL ALLOW CLOUDS TO DECREASE ENOUGH FOR DAYTIME HEATING TO
LIFT TEMPERATURES TOWARD 80 BY MID AFTERNOON AS ANOTHER WAVE OF
LOW PRESSURE MOVES THROUGH LOWER MICHIGAN. CLUSTERS OF THUNDERSTORMS
THAT DEVELOP DURING THE AFTERNOON WILL LAST THROUGH MID EVENING
BEFORE WEAKENING TOWARD MIDNIGHT.

.DAYS TWO THROUGH SEVEN...TUESDAY THROUGH SUNDAY

THERE IS A CHANCE OF THUNDERSTORMS WEDNESDAY AND FROM THURSDAY
NIGHT THROUGH FRIDAY AS AN ACTIVE WEATHER PATTERN CONTINUES
THROUGH THE END OF THE WEEK.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION IS NOT PLANNED FOR TODAY AND TONIGHT.

LCZ460-LEZ444-LHZ361>363-421-422-441>443-462>464-090845-
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-
443 AM EDT MON JUN 8 2015

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

.DAY ONE...TODAY AND TONIGHT

THUNDERSTORMS ARE LIKELY DURING THE AFTERNOON AND EVENING...MAINLY
OVER SAGINAW BAY...THE SOUTH HALF OF LAKE HURON...LAKE ST CLAIR
AND WESTERN LAKE ERIE. THE STRONGEST STORMS COULD PRODUCE DIME
SIZE HAIL AND WIND GUSTS NEAR 45 KNOTS. THE BEST TIME WINDOW FOR
STORMS IS FROM 3 PM TO 9 PM. MOVEMENT WILL BE WEST TO EAST AT 25
KNOTS.

SHOWERS AND A FEW WEAK THUNDERSTORMS PRIOR TO SUNRISE WILL MOVE
OUT OF THE AREA WITH AN EQUALLY WEAK COLD FRONT BY MID MORNING.
THIS WILL ALLOW CLOUDS TO DECREASE ENOUGH FOR DAYTIME HEATING TO
LIFT TEMPERATURES TOWARD 80 OVER LAND AREAS BY MID AFTERNOON AS
ANOTHER WAVE OF LOW PRESSURE MOVES THROUGH LOWER MICHIGAN.
CLUSTERS OF THUNDERSTORMS THAT DEVELOP DURING THE AFTERNOON WILL
LAST THROUGH MID EVENING BEFORE WEAKENING TOWARD MIDNIGHT.

.DAYS TWO THROUGH SEVEN...TUESDAY THROUGH SUNDAY

THERE IS A CHANCE OF THUNDERSTORMS WEDNESDAY AND FROM THURSDAY
NIGHT THROUGH FRIDAY AS AN ACTIVE WEATHER PATTERN CONTINUES
THROUGH THE END OF THE WEEK.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION IS NOT PLANNED FOR TODAY AND TONIGHT.

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

BT

In the hours before

Special weather statement, Jun 8, 12:27 PM EDT, 57 minutes before

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE DETROIT/PONTIAC MI
1227 PM EDT MON JUN 8 2015

MIZ048-081700-
BAY-
1227 PM EDT MON JUN 8 2015

...A STRONG THUNDERSTORM WILL AFFECT CENTRAL BAY COUNTY...

AT 1227 PM EDT...A STRONG THUNDERSTORM WAS NEAR LINWOOD...OR NEAR
AUBURN...MOVING EAST AT 35 MPH.

WIND GUSTS UP TO 50 MPH AND DIME SIZE HAIL ARE POSSIBLE WITH THIS
STORM.

LOCATIONS IMPACTED INCLUDE...
AUBURN...KAWKAWLIN...LINWOOD...CRUMP...WILLARD AND BAY CITY STATE
RECREATION AREA.

TORRENTIAL RAINFALL IS ALSO OCCURRING WITH THIS STORM...AND MAY CAUSE
LOCALIZED FLOODING. DO NOT DRIVE YOUR VEHICLE THROUGH FLOODED
ROADWAYS.

FREQUENT CLOUD TO GROUND LIGHTNING IS OCCURRING WITH THIS STORM.
LIGHTNING CAN STRIKE 15 MILES AWAY FROM A THUNDERSTORM. SEEK A SAFE
SHELTER INSIDE A BUILDING OR VEHICLE.

LAT...LON 4382 8392 4379 8394 4378 8393 4377 8395
      4376 8395 4377 8396 4375 8396 4371 8394
      4367 8391 4364 8380 4359 8412 4369 8417
      4377 8417 4385 8392
TIME...MOT...LOC 1627Z 252DEG 29KT 4370 8406

OROW

Special weather statement, Jun 8, 1:10 PM EDT, 14 minutes before

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The office that day

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

Issued	Product	Office	Counties	Lasted
Jun 7, 9:09 PM EDT	Special Weather Statement	DTX	Livingston, Oakland	51 min
Jun 7, 10:05 PM EDT	Special Weather Statement	DTX	Macomb, Oakland	55 min
Jun 7, 10:40 PM EDT	Special Weather Statement	DTX	Macomb, Saint Clair	65 min
Jun 8, 12:23 PM EDT	Special Marine Warning	DTX		82 min
Jun 8, 12:27 PM EDT	Special Weather Statement	DTX	Bay	33 min
Jun 8, 12:35 PM EDT	Severe Thunderstorm Warning	DTX	Bay	55 min
Jun 8, 1:10 PM EDT	Special Weather Statement	DTX	Tuscola	65 min
Jun 8, 1:36 PM EDT	Special Marine Warning	DTX		114 min
Jun 8, 2:13 PM EDT	Special Marine Warning	DTX		92 min
Jun 8, 3:18 PM EDT	Special Weather Statement	DTX	Sanilac	42 min
Jun 8, 4:02 PM EDT	Special Weather Statement	DTX	Sanilac	43 min
Jun 8, 5:15 PM EDT	Special Weather Statement	DTX	Lenawee	75 min
Jun 8, 5:22 PM EDT	Special Weather Statement	DTX	Saint Clair	38 min
Jun 8, 6:06 PM EDT	Special Weather Statement	DTX	Livingston	54 min
Jun 8, 6:12 PM EDT	Special Marine Warning	DTX		93 min
Jun 8, 6:47 PM EDT	Special Weather Statement	DTX	Monroe	43 min
Jun 8, 7:00 PM EDT	Special Weather Statement	DTX	Lenawee	60 min
Jun 8, 7:28 PM EDT	Special Weather Statement	DTX	Sanilac	62 min

Nearby

Severe Thunderstorm Warnings in Michigan, 2015 Every 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.