Alert archive / Michigan / Severe Thunderstorm Warnings in 2015
Severe Thunderstorm Warning 11, NWS Detroit, MI
NWS Detroit, MI issued this severe thunderstorm warning at May 27, 2015, 1:29 PM EDT for Wayne County, Michigan. It was in force for 20 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, 1:29 PM EDT (17:29 UTC)
- Expired
- May 27, 2015, 1:49 PM EDT
- In force
- 20 min
- Issued by
- NWS Detroit, MI
- Area
- Storm-based polygon
- Hail
- 0.75 in
- Wind
- 60.0 mph
County Wayne County, MI
The radar
The Detroit radar (KDTX), 49 km from the middle of the area, began a volume at 17:31 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 watch it was issued in
The SPC watch in force over the same counties when this warning went out.
| Issued | Product | Office | Lasted |
|---|---|---|---|
| May 27, 1:08 PM EDT | Severe Thunderstorm Watch | SPC | 6 hr |
The nearest sounding before it
Detroit, MI (KDTX), launched 12:00Z, 5.5 hours before the alert went out and 50 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.
- 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
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 55 minutes earlier.
Area forecast discussion, May 27, 11:34 AM EDT, 1 hour 55 minutes before
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</html>Hazardous weather outlook, May 27, 1:25 PM EDT, 4 minutes before
HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE DETROIT/PONTIAC MI 125 PM EDT WED MAY 27 2015 MIZ047>049-053>055-060>063-068>070-075-076-082-083-280830- MIDLAND-BAY-HURON-SAGINAW-TUSCOLA-SANILAC-SHIAWASSEE-GENESEE-LAPEER- ST. CLAIR-LIVINGSTON-OAKLAND-MACOMB-WASHTENAW-WAYNE-LENAWEE-MONROE- 125 PM EDT WED MAY 27 2015 THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF SOUTHEAST MICHIGAN. .DAY ONE...TODAY AND TONIGHT SCATTERED THUNDERSTORMS CAN BE EXPECTED THIS AFTERNOON INTO EARLY THIS EVENING AS A COLD FRONT MOVES THROUGH THE AREA. THERE IS A SLIGHT RISK FOR SEVERE WEATHER...MAINLY SOUTH OF THE INTERSTATE 69 CORRIDOR. THE STRONGEST THUNDERSTORMS WILL BE CAPABLE OF PRODUCING WIND GUSTS TO 60 MPH AND LARGE HAIL TO 1 INCH IN DIAMETER. STORM MOTION WILL BE TO THE NORTHEAST AT APPROXIMATELY 40 MPH. .DAYS TWO THROUGH SEVEN...THURSDAY THROUGH TUESDAY THE POTENTIAL FOR THUNDERSTORMS EXISTS ON FRIDAY AND SATURDAY IN ADVANCE OF ANOTHER COLD FRONT. .SPOTTER INFORMATION STATEMENT... DISPATCHERS...PLEASE NOTIFY YOUR EMERGENCY MANAGER IMMEDIATELY. SPOTTER ACTIVATION MAY BE NEEDED INTO THIS EARLY EVENING. LCZ460-LEZ444-LHZ361>363-421-422-441>443-462>464-280830- 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- 125 PM EDT WED MAY 27 2015 THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF LAKE ERIE...LAKE HURON AND LAKE ST CLAIR. .DAY ONE...TODAY AND TONIGHT SCATTERED THUNDERSTORMS CAN BE EXPECTED THIS AFTERNOON INTO EARLY THIS EVENING AS A COLD FRONT MOVES THROUGH THE AREA. THERE IS A SLIGHT RISK FOR SEVERE WEATHER...MAINLY FROM THE ST CLAIR RIVER SOUTHWARD. THE STRONGEST THUNDERSTORMS WILL BE CAPABLE OF PRODUCING WIND GUSTS TO 60 MPH AND LARGE HAIL TO 1 INCH IN DIAMETER. STORM MOTION WILL BE TO THE NORTHEAST AT APPROXIMATELY 40 KNOTS. SMALL CRAFT ADVISORIES ARE IN EFFECT TODAY FOR SAGINAW BAY AND THE NEARSHORE WATERS OF LAKE HURON FROM PORT AUSTIN TO HARBOR BEACH. REFER TO THE LATEST MARINE FORECASTS FOR ADDITIONAL INFORMATION. .DAYS TWO THROUGH SEVEN...THURSDAY THROUGH TUESDAY THE POTENTIAL FOR THUNDERSTORMS EXISTS ON FRIDAY AND SATURDAY IN ADVANCE OF ANOTHER COLD FRONT. .SPOTTER INFORMATION STATEMENT... DISPATCHERS...PLEASE NOTIFY YOUR EMERGENCY MANAGER IMMEDIATELY. SPOTTER ACTIVATION MAY BE NEEDED INTO THIS EARLY EVENING. YOU CAN OBTAIN YOUR LATEST NATIONAL WEATHER SERVICE FORECASTS ONLINE AT WWW.WEATHER.GOV/DETROIT (ALL LOWER CASE). CB/DG
In the hours before
Local storm report, May 27, 8:24 AM EDT, 5 hours 5 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.
&&
SSSpecial weather statement, May 27, 12:11 PM EDT, 1 hour 18 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, 37 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
MRSpecial weather statement, May 27, 12:54 PM EDT, 35 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
MRThe 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, 1:00 PM EDT | Severe Thunderstorm Warning | DTX | Monroe | 75 min |
| May 27, 1:09 PM EDT | Special Marine Warning | DTX | 96 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, 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.