Alert archive / Michigan / Severe Thunderstorm Warnings in 2014
Severe Thunderstorm Warning 21, NWS Detroit, MI
NWS Detroit, MI issued this severe thunderstorm warning at May 13, 2014, 2:44 PM EDT for Genesee County, Lapeer County, Oakland County, Michigan. It was in force for 61 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
- May 13, 2014, 2:44 PM EDT (18:44 UTC)
- Expired
- May 13, 2014, 3:45 PM EDT
- In force
- 61 min
- Issued by
- NWS Detroit, MI
- Area
- Storm-based polygon
- Hail
- 0.75 in
- Wind
- 60.0 mph
Counties Genesee County, MI, Lapeer County, MI, Oakland County, MI
The radar
The Detroit radar (KDTX), 21 km from the middle of the area, began a volume at 18:45 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
| Time | Report | Where | Remark |
|---|---|---|---|
| May 13, 3:14 PM EDT | TSTM WND GST 60 | Oxford, MI | FENCE BLOWN OVER |
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, 6.7 hours before the alert went out and 18 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
- 680 J/kg
- Mixed-layer CIN
- -140 J/kg
- Mixed-layer LCL
- 792 m above ground
- 0-6 km bulk shear
- 34 kt
- 0-1 km storm-relative helicity
- 188 m²/s²
- 0-3 km storm-relative helicity
- 144 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
475
WUUS53 KDTX 131844
SVRDTX
MIC049-087-125-131945-
/O.NEW.KDTX.SV.W.0021.140513T1844Z-140513T1945Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE DETROIT/PONTIAC MI
244 PM EDT TUE MAY 13 2014
THE NATIONAL WEATHER SERVICE IN DETROIT/PONTIAC HAS ISSUED A
* SEVERE THUNDERSTORM WARNING FOR...
GENESEE COUNTY IN SOUTHEAST MICHIGAN...
LAPEER COUNTY IN SOUTHEAST MICHIGAN...
OAKLAND COUNTY IN SOUTHEAST MICHIGAN...
* UNTIL 345 PM EDT
* AT 240 PM EDT...A SEVERE THUNDERSTORM WAS LOCATED NEAR HARTLAND...
AND MOVING NORTHEAST AT 65 MPH.
HAZARD...60 MPH WIND GUSTS.
SOURCE...RADAR INDICATED.
IMPACT...EXPECT DAMAGE TO ROOFS...SIDING AND TREES.
* THE SEVERE THUNDERSTORM WILL BE NEAR...
HOLLY AND DAVISBURG AROUND 250 PM EDT.
HOLLY STATE RECREATION AREA AROUND 255 PM EDT.
ORTONVILLE AND GOODRICH AROUND 300 PM EDT.
HADLEY AND METAMORA AROUND 305 PM EDT.
LAPEER AND THORNVILLE AROUND 310 PM EDT.
ATTICA AROUND 315 PM EDT.
THE WARNING INCLUDES AREAS SURROUNDING THESE LOCATIONS...
LUM... SWARTZ CREEK... ROCHESTER...
PONTIAC... OXFORD... OTTER LAKE...
OTISVILLE... ORTONVILLE... MOUNT MORRIS...
MILFORD... METAMORA... LINDEN...
LAPEER... IMLAY CITY... HOLLY...
HADLEY... GRAND BLANC... GOODRICH...
FLINT... FENTON... DRYDEN...
DAVISON... COLUMBIAVILLE... CLIO...
CLARKSTON... BURTON... ALMONT...
PRECAUTIONARY/PREPAREDNESS ACTIONS...
FOR YOUR PROTECTION MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF A
BUILDING.
&&
LAT...LON 4289 8310 4266 8310 4251 8366 4279 8368
4278 8391 4322 8380 4323 8300 4290 8298
TIME...MOT...LOC 1844Z 226DEG 55KT 4272 8368
HAIL...<.75IN
WIND...60MPH
$$
BEHNKE3 follow-up statements
803
WWUS53 KDTX 131859
SVSDTX
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE DETROIT/PONTIAC MI
259 PM EDT TUE MAY 13 2014
MIC049-087-125-131945-
/O.CON.KDTX.SV.W.0021.000000T0000Z-140513T1945Z/
GENESEE MI-LAPEER MI-OAKLAND MI-
259 PM EDT TUE MAY 13 2014
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT FOR OAKLAND...
LAPEER AND EASTERN GENESEE COUNTIES UNTIL 345 PM EDT...
AT 257 PM EDT...A SEVERE THUNDERSTORM WAS LOCATED NEAR ORTONVILLE...
AND MOVING NORTHEAST AT 65 MPH.
HAZARD...60 MPH WIND GUSTS.
SOURCE...RADAR INDICATED.
IMPACT...EXPECT DAMAGE TO ROOFS...SIDING AND TREES.
THE SEVERE THUNDERSTORM WILL BE NEAR...
HADLEY AND METAMORA AROUND 305 PM EDT.
LAPEER AND THORNVILLE AROUND 310 PM EDT.
ATTICA AROUND 315 PM EDT.
LUM AND KINGS MILL AROUND 320 PM EDT.
GOODLAND TOWNSHIP AND BURNSIDE AROUND 325 PM EDT.
THE WARNING INCLUDES AREAS SURROUNDING THESE LOCATIONS...
LUM... ROCHESTER... PONTIAC...
OXFORD... OTTER LAKE... OTISVILLE...
ORTONVILLE... MOUNT MORRIS... MILFORD...
METAMORA... LINDEN... LAPEER...
IMLAY CITY... HOLLY... HADLEY...
GRAND BLANC... GOODRICH... FLINT...
FENTON... DRYDEN... DAVISON...
COLUMBIAVILLE... CLARKSTON... BURTON...
ALMONT...
PRECAUTIONARY/PREPAREDNESS ACTIONS...
FOR YOUR PROTECTION MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF A
BUILDING.
&&
LAT...LON 4289 8310 4266 8310 4251 8366 4279 8368
4278 8386 4322 8366 4323 8300 4290 8298
TIME...MOT...LOC 1859Z 226DEG 55KT 4288 8345
HAIL...<.75IN
WIND...60MPH
$$
MM263
WWUS53 KDTX 131915
SVSDTX
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE DETROIT/PONTIAC MI
315 PM EDT TUE MAY 13 2014
MIC049-131925-
/O.CAN.KDTX.SV.W.0021.000000T0000Z-140513T1945Z/
GENESEE MI-
315 PM EDT TUE MAY 13 2014
...THE SEVERE THUNDERSTORM WARNING FOR EAST CENTRAL GENESEE COUNTY IS
CANCELLED...
THE STORM WHICH PROMPTED THE WARNING HAS MOVED OUT OF THE WARNED
AREA.
LAT...LON 4289 8310 4266 8310 4251 8366 4271 8367
4284 8359 4288 8345 4304 8345 4322 8338
4323 8300 4290 8298
TIME...MOT...LOC 1915Z 233DEG 40KT 4302 8323
$$
MIC087-125-131945-
/O.CON.KDTX.SV.W.0021.000000T0000Z-140513T1945Z/
LAPEER MI-OAKLAND MI-
315 PM EDT TUE MAY 13 2014
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT FOR OAKLAND AND
LAPEER COUNTIES UNTIL 345 PM EDT...
AT 310 PM EDT...A SEVERE THUNDERSTORM WAS LOCATED NEAR METAMORA...AND
MOVING NORTHEAST AT 45 MPH.
HAZARD...60 MPH WIND GUSTS.
SOURCE...RADAR INDICATED.
IMPACT...EXPECT DAMAGE TO ROOFS...SIDING AND TREES.
THE SEVERE THUNDERSTORM WILL BE NEAR...
ATTICA AROUND 320 PM EDT.
LUM AND IMLAY CITY AROUND 325 PM EDT.
GOODLAND TOWNSHIP AROUND 330 PM EDT.
BURNSIDE AROUND 335 PM EDT.
THE WARNING INCLUDES AREAS SURROUNDING THESE LOCATIONS...
LUM... ROCHESTER... PONTIAC...
OXFORD... ORTONVILLE... MILFORD...
METAMORA... LAPEER... IMLAY CITY...
HADLEY... DRYDEN... CLARKSTON...
ALMONT...
PRECAUTIONARY/PREPAREDNESS ACTIONS...
FOR YOUR PROTECTION MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF A
BUILDING.
&&
LAT...LON 4289 8310 4266 8310 4251 8366 4271 8367
4284 8359 4288 8345 4304 8345 4322 8338
4323 8300 4290 8298
TIME...MOT...LOC 1915Z 233DEG 40KT 4302 8323
HAIL...<.75IN
WIND...60MPH
$$
MM411
WWUS53 KDTX 131927
SVSDTX
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE DETROIT/PONTIAC MI
327 PM EDT TUE MAY 13 2014
MIC087-125-131945-
/O.CON.KDTX.SV.W.0021.000000T0000Z-140513T1945Z/
LAPEER MI-OAKLAND MI-
327 PM EDT TUE MAY 13 2014
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT FOR NORTHERN
OAKLAND AND EASTERN LAPEER COUNTIES UNTIL 345 PM EDT...
AT 323 PM EDT...A SEVERE THUNDERSTORM WAS LOCATED NEAR LUM...AND
MOVING NORTHEAST AT 65 MPH.
HAZARD...60 MPH WIND GUSTS.
SOURCE...RADAR INDICATED.
IMPACT...EXPECT DAMAGE TO ROOFS...SIDING AND TREES.
THE SEVERE THUNDERSTORM WILL AFFECT MAINLY RURAL AREAS OF EASTERN
LAPEER AND NORTHERN OAKLAND COUNTIES.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
FOR YOUR PROTECTION MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF A
BUILDING.
&&
LAT...LON 4289 8310 4266 8310 4256 8350 4269 8354
4280 8347 4288 8339 4304 8329 4323 8326
4323 8300 4290 8298
TIME...MOT...LOC 1928Z 228DEG 56KT 4314 8300
HAIL...<.75IN
WIND...60MPH
$$
MMThe office that day
Everything else NWS Detroit, MI issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 13, 3:59 AM EDT | Marine Dense Fog Advisory | DTX | 19 hr | |
| May 13, 2:31 PM EDT | Severe Thunderstorm Warning | DTX | Livingston | 44 min |
| May 13, 2:37 PM EDT | Severe Thunderstorm Warning | DTX | Washtenaw | 53 min |
| May 13, 2:51 PM EDT | Severe Thunderstorm Warning | DTX | Huron, Sanilac, Tuscola | 54 min |
| May 13, 2:58 PM EDT | Special Marine Warning | DTX | 92 min | |
| May 13, 3:17 PM EDT | Severe Thunderstorm Warning | DTX | Oakland, Wayne | 58 min |
| May 13, 3:23 PM EDT | Severe Thunderstorm Warning | DTX | Monroe | 67 min |
| May 13, 3:25 PM EDT | Severe Thunderstorm Warning | DTX | Macomb, Saint Clair | 80 min |
| May 13, 3:29 PM EDT | Special Marine Warning | DTX | 91 min | |
| May 13, 3:33 PM EDT | Severe Thunderstorm Warning | DTX | Lapeer, Sanilac | 57 min |
| May 13, 5:10 PM EDT | Special Marine Warning | DTX | 65 min |
Nearby
Severe Thunderstorm Warnings in Michigan, 2014Every severe thunderstorm warning in 2014
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.