Alert archive / Michigan / Severe Thunderstorm Warnings in 2015

Severe Thunderstorm Warning 10, NWS Detroit, MI

May 27, 2015Monroe County, Michigan

NWS Detroit, MI issued this severe thunderstorm warning at May 27, 2015, 1:00 PM EDT for Monroe County, Michigan. It was in force for 75 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: May 27, 2015, 1:00 PM EDT (17:00 UTC)
Expired: May 27, 2015, 2:15 PM EDT
In force: 75 min
Issued by: NWS Detroit, MI
Area: Storm-based polygon
Hail: 1.0 in
Wind: 60.0 mph

County Monroe County, MI

The radar

The Detroit radar (KDTX), 87 km from the middle of the area, began a volume at 17:04 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, 5.0 hours before the alert went out and 89 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: 15 J/kg
Mixed-layer CIN: -66 J/kg
Mixed-layer LCL: 902 m above ground
0-6 km bulk shear: 39 kt
0-1 km storm-relative helicity: 127 m²/s²
0-3 km storm-relative helicity: 113 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 May 27, 11:34 AM EDT, 1 hour 26 minutes earlier.

Area forecast discussion, May 27, 11:34 AM EDT, 1 hour 26 minutes before

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Hazardous weather outlook, May 27, 4:21 AM EDT, 8 hours 39 minutes before

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In the hours before

Local storm report, May 27, 8:24 AM EDT, 4 hours 36 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE DETROIT/PONTIAC MI
824 AM EDT WED MAY 27 2015

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

0700 AM     HEAVY RAIN       OIL CITY                43.61N 84.59W
05/27/2015  M1.10 INCH       MIDLAND            MI   CO-OP OBSERVER

            24 HOUR TOTAL.

&&

SS

Special weather statement, May 27, 12:11 PM EDT, 49 minutes before

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE DETROIT/PONTIAC MI
1211 PM EDT WED MAY 27 2015

MIZ082-271700-
LENAWEE MI-
1211 PM EDT WED MAY 27 2015

...SIGNIFICANT WEATHER ADVISORY FOR CENTRAL LENAWEE COUNTY UNTIL 100
PM EDT...

AT 1211 PM EDT...DOPPLER RADAR WAS TRACKING A STRONG THUNDERSTORM
NEAR HUDSON...MOVING NORTHEAST AT 40 MPH.

HALF INCH HAIL AND WINDS IN EXCESS OF 40 MPH WILL BE POSSIBLE WITH
THIS STORM.

THIS STRONG THUNDERSTORM WILL BE NEAR...
  CLAYTON AROUND 1220 PM EDT.
  ADRIAN AROUND 1235 PM EDT.
  TECUMSEH AROUND 1250 PM EDT.
  DEERFIELD AND BRITTON AROUND 1255 PM EDT.

OTHER LOCATIONS IMPACTED BY THIS STORM INCLUDE PALMYRA...CADMUS...
RIDGEWAY...HOLLOWAY...CANANDAIGUA...MEDINA...SENECA...SAND CREEK...
FAIRFIELD AND LIME CREEK.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 4188 8436 4205 8378 4184 8377 4175 8436
TIME...MOT...LOC 1611Z 245DEG 34KT 4181 8433

MR

Special weather statement, May 27, 12:52 PM EDT, 8 minutes before

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE DETROIT/PONTIAC MI
1252 PM EDT WED MAY 27 2015

MIZ082-083-271745-
LENAWEE MI-MONROE MI-
1252 PM EDT WED MAY 27 2015

...SIGNIFICANT WEATHER ADVISORY FOR MONROE AND NORTHEASTERN LENAWEE
COUNTIES UNTIL 145 PM EDT...

AT 1251 PM EDT...DOPPLER RADAR WAS TRACKING A STRONG THUNDERSTORM
NEAR BRITTON...OR NEAR BLISSFIELD...MOVING NORTHEAST AT 40 MPH.

HALF INCH HAIL AND WINDS IN EXCESS OF 40 MPH WILL BE POSSIBLE WITH
THIS STORM.

THIS STRONG THUNDERSTORM WILL BE NEAR...
  DEERFIELD AND BRITTON AROUND 1255 PM EDT.
  PETERSBURG AROUND 100 PM EDT.
  DUNDEE AND IDA AROUND 110 PM EDT.
  MILAN AROUND 115 PM EDT.
  MAYBEE AROUND 120 PM EDT.
  CARLETON AROUND 135 PM EDT.
  FLAT ROCK AROUND 145 PM EDT.

OTHER LOCATIONS IMPACTED BY THIS STORM INCLUDE RIDGEWAY...WOODLAND
BEACH...MACON...AZALIA...ESTRAL BEACH...SOUTH ROCKWOOD...OAKVILLE...
SCOFIELD...HOLLOWAY AND NEWPORT.

THIS STORM MAY INTENSIFY...SO BE CERTAIN TO MONITOR LOCAL RADIO AND
TV STATIONS...AS WELL AS LOCAL CABLE TV OUTLETS...FOR ADDITIONAL
INFORMATION AND POSSIBLE WARNINGS FROM THE NATIONAL WEATHER SERVICE.

LAT...LON 4180 8391 4207 8399 4209 8329 4203 8319
      4202 8319 4203 8317 4200 8318 4201 8321
      4199 8321 4197 8325 4192 8327 4194 8331
      4192 8334 4189 8334 4190 8338 4189 8337
TIME...MOT...LOC 1651Z 245DEG 33KT 4193 8386

MR

Special weather statement, May 27, 12:54 PM EDT, 6 minutes before

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE DETROIT/PONTIAC MI
1254 PM EDT WED MAY 27 2015

MIZ076-271745-
WAYNE MI-
1254 PM EDT WED MAY 27 2015

...SIGNIFICANT WEATHER ADVISORY FOR NORTHWESTERN WAYNE COUNTY UNTIL
145 PM EDT...

AT 1253 PM EDT...DOPPLER RADAR WAS TRACKING A STRONG THUNDERSTORM
NEAR YPSILANTI...MOVING NORTHEAST AT 35 MPH.

HALF INCH HAIL AND WINDS IN EXCESS OF 40 MPH WILL BE POSSIBLE WITH
THIS STORM.

THIS STRONG THUNDERSTORM WILL BE NEAR...
  CANTON AROUND 110 PM EDT.
  NORTHVILLE AROUND 115 PM EDT.
  LIVONIA AROUND 125 PM EDT.

OTHER LOCATIONS IMPACTED BY THIS STORM INCLUDE REDFORD...PLYMOUTH...
WESTLAND AND GARDEN CITY.

THIS STORM MAY INTENSIFY...SO BE CERTAIN TO MONITOR LOCAL RADIO AND
TV STATIONS...AS WELL AS LOCAL CABLE TV OUTLETS...FOR ADDITIONAL
INFORMATION AND POSSIBLE WARNINGS FROM THE NATIONAL WEATHER SERVICE.

LAT...LON 4237 8355 4244 8348 4244 8326 4237 8330
      4224 8354
TIME...MOT...LOC 1653Z 226DEG 30KT 4228 8358

MR

The office that day

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

Issued	Product	Office	Counties	Lasted
May 27, 4:01 AM EDT	Small Craft Advisory	DTX		18 hr
May 27, 12:11 PM EDT	Special Weather Statement	DTX	Lenawee	49 min
May 27, 12:52 PM EDT	Special Weather Statement	DTX	Monroe	53 min
May 27, 12:54 PM EDT	Special Weather Statement	DTX	Wayne	51 min
May 27, 1:09 PM EDT	Special Marine Warning	DTX		96 min
May 27, 1:29 PM EDT	Severe Thunderstorm Warning	DTX	Wayne	20 min
May 27, 1:59 PM EDT	Special Weather Statement	DTX	Saint Clair	46 min
May 27, 2:21 PM EDT	Special Weather Statement	DTX	Livingston	54 min
May 27, 2:34 PM EDT	Severe Thunderstorm Warning	DTX	Livingston, Washtenaw	56 min
May 27, 2:40 PM EDT	Severe Thunderstorm Warning	DTX	Oakland	65 min
May 27, 2:59 PM EDT	Special Weather Statement	DTX	Macomb, Saint Clair	46 min
May 27, 3:06 PM EDT	Severe Thunderstorm Warning	DTX	Macomb	54 min
May 27, 3:19 PM EDT	Special Marine Warning	DTX		56 min
May 27, 3:24 PM EDT	Severe Thunderstorm Warning	DTX	Saint Clair	44 min
May 27, 4:12 PM EDT	Special Marine Warning	DTX		48 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.