Alert archive / Michigan / Tornado Warnings in 2012
Tornado Warning 6, NWS Detroit, MI
NWS Detroit, MI issued this tornado warning at Mar 15, 2012, 6:28 PM EDT for Washtenaw County, Michigan. It was in force for 47 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
- Mar 15, 2012, 6:28 PM EDT (22:28 UTC)
- Expired
- Mar 15, 2012, 7:15 PM EDT
- In force
- 47 min
- Issued by
- NWS Detroit, MI
- Area
- Storm-based polygon
County Washtenaw County, MI
The radar
The Detroit radar (KDTX), 59 km from the middle of the area, began a volume at 22:28 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 |
|---|---|---|---|
| Mar 15, 6:30 PM EDT | HAIL 1 | Ann Arbor, MI |
Local storm reports filed while the alert was in force, from inside its polygon or its counties.
The watch it was issued in
The SPC watch in force over the same counties when this warning went out.
| Issued | Product | Office | Lasted |
|---|---|---|---|
| Mar 15, 4:28 PM EDT | Severe Thunderstorm Watch | SPC | 7 hr |
The nearest sounding before it
Detroit, MI (KDTX), launched 12:00Z, 10.5 hours before the alert went out and 62 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
- 2007 J/kg
- Mixed-layer CIN
- -65 J/kg
- Mixed-layer LCL
- 802 m above ground
- 0-6 km bulk shear
- 18 kt
- 0-1 km storm-relative helicity
- 78 m²/s²
- 0-3 km storm-relative helicity
- 66 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
679 WFUS53 KDTX 152228 TORDTX MIC161-152315- /O.NEW.KDTX.TO.W.0006.120315T2228Z-120315T2315Z/ BULLETIN - EAS ACTIVATION REQUESTED TORNADO WARNING NATIONAL WEATHER SERVICE DETROIT/PONTIAC MI 628 PM EDT THU MAR 15 2012 THE NATIONAL WEATHER SERVICE IN DETROIT/PONTIAC HAS ISSUED A * TORNADO WARNING FOR... SOUTHEASTERN WASHTENAW COUNTY IN SOUTHEAST MICHIGAN... * UNTIL 715 PM EDT * AT 626 PM EDT...TRAINED WEATHER SPOTTERS REPORTED A FUNNEL CLOUD NEAR SALINE. A TORNADO MAY DEVELOP AT ANY TIME. DOPPLER RADAR SHOWED THIS DANGEROUS STORM MOVING SOUTHEAST AT 30 MPH. IN ADDITION...LARGE HAIL OVER 2 INCHES IN DIAMETER IS POSSIBLE WITH THIS STORM AND WITH ADDITIONAL STORMS TO THE NORTH. * THIS DANGEROUS STORM WILL BE NEAR... MILAN AND WHITTAKER AROUND 640 PM EDT. THE WARNING INCLUDES AREAS SURROUNDING THESE LOCATIONS... WILLIS... DIXBORO... YPSILANTI... SALINE... MILAN... ANN ARBOR... PRECAUTIONARY/PREPAREDNESS ACTIONS... TAKE COVER NOW. MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF A STURDY BUILDING. AVOID WINDOWS. IF IN A MOBILE HOME...A VEHICLE OR OUTDOORS...MOVE TO THE CLOSEST SUBSTANTIAL SHELTER AND PROTECT YOURSELF FROM FLYING DEBRIS. && LAT...LON 4228 8397 4236 8355 4208 8354 4208 8380 TIME...MOT...LOC 2227Z 314DEG 26KT 4217 8373 $$ SC/KURIMSKI
3 follow-up statements
607 WWUS53 KDTX 152237 RRA SVSDTX SEVERE WEATHER STATEMENT NATIONAL WEATHER SERVICE DETROIT/PONTIAC MI 637 PM EDT THU MAR 15 2012 MIC161-152315- /O.CON.KDTX.TO.W.0006.000000T0000Z-120315T2315Z/ WASHTENAW MI- 637 PM EDT THU MAR 15 2012 ...A TORNADO WARNING REMAINS IN EFFECT FOR SOUTHEASTERN WASHTENAW COUNTY UNTIL 715 PM EDT... AT 636 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO. THIS DANGEROUS STORM WAS LOCATED NEAR SALINE...MOVING SOUTHEAST AT 15 MPH. IN ADDITION...LARGE HAIL OVER 2 INCHES IN DIAMETER IS POSSIBLE WITH THIS STORM AND WITH ADDITIONAL STORMS TO THE NORTH. THIS DANGEROUS STORM WILL BE NEAR... PITTSFIELD TOWNSHIP AROUND 645 PM EDT. MILAN AROUND 700 PM EDT. WHITTAKER AND WILLIS AROUND 710 PM EDT. THE WARNING INCLUDES AREAS SURROUNDING THESE LOCATIONS... WILLIS... DIXBORO... YPSILANTI... SALINE... MILAN... ANN ARBOR... PRECAUTIONARY/PREPAREDNESS ACTIONS... TAKE COVER NOW. MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF A STURDY BUILDING. AVOID WINDOWS. IF IN A MOBILE HOME...A VEHICLE OR OUTDOORS...MOVE TO THE CLOSEST SUBSTANTIAL SHELTER AND PROTECT YOURSELF FROM FLYING DEBRIS. && LAT...LON 4228 8397 4236 8355 4208 8354 4208 8380 TIME...MOT...LOC 2237Z 304DEG 15KT 4217 8377 $$ KURIMSKI
135 WWUS53 KDTX 152250 SVSDTX SEVERE WEATHER STATEMENT NATIONAL WEATHER SERVICE DETROIT/PONTIAC MI 650 PM EDT THU MAR 15 2012 MIC161-152315- /O.CON.KDTX.TO.W.0006.000000T0000Z-120315T2315Z/ WASHTENAW MI- 650 PM EDT THU MAR 15 2012 ...A TORNADO WARNING REMAINS IN EFFECT FOR SOUTHEASTERN WASHTENAW COUNTY UNTIL 715 PM EDT... AT 649 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO. THIS DANGEROUS STORM WAS LOCATED NEAR MILAN...MOVING SOUTHEAST AT 20 MPH. THIS DANGEROUS STORM WILL BE NEAR... MILAN AROUND 700 PM EDT. WHITTAKER AND WILLIS AROUND 705 PM EDT. THE WARNING INCLUDES AREAS SURROUNDING THESE LOCATIONS... WILLIS... DIXBORO... YPSILANTI... SALINE... MILAN... ANN ARBOR... PRECAUTIONARY/PREPAREDNESS ACTIONS... TAKE COVER NOW. MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF A STURDY BUILDING. AVOID WINDOWS. IF IN A MOBILE HOME...A VEHICLE OR OUTDOORS...MOVE TO THE CLOSEST SUBSTANTIAL SHELTER AND PROTECT YOURSELF FROM FLYING DEBRIS. && LAT...LON 4228 8397 4236 8355 4208 8354 4208 8380 TIME...MOT...LOC 2250Z 307DEG 16KT 4212 8371 $$ KURIMSKI
051 WWUS53 KDTX 152305 SVSDTX SEVERE WEATHER STATEMENT NATIONAL WEATHER SERVICE DETROIT/PONTIAC MI 705 PM EDT THU MAR 15 2012 MIC161-152316- /O.EXP.KDTX.TO.W.0006.000000T0000Z-120315T2315Z/ WASHTENAW MI- 705 PM EDT THU MAR 15 2012 ...THE TORNADO WARNING FOR SOUTHEASTERN WASHTENAW COUNTY WILL EXPIRE AT 715 PM EDT... THE STORM WHICH PROMPTED THE WARNING HAS WEAKENED BELOW SEVERE LIMITS...AND NO LONGER POSES AN IMMEDIATE THREAT TO LIFE OR PROPERTY. HOWEVER SMALL HAIL...GUSTY WINDS AND HEAVY RAIN ARE STILL POSSIBLE WITH THIS THUNDERSTORM. IN ADDITION...STRONG THUNDERSTORMS MAY REDEVELOP...AND A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 9 PM EDT. LAT...LON 4228 8397 4236 8355 4208 8354 4208 8380 TIME...MOT...LOC 2306Z 307DEG 16KT 4208 8363 $$ KURIMSKI
The office that day
Everything else NWS Detroit, MI issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Mar 15, 10:35 AM EDT | Special Marine Warning | DTX | 55 min | |
| Mar 15, 10:55 AM EDT | Severe Thunderstorm Warning | DTX | Macomb, Wayne | 30 min |
| Mar 15, 12:56 PM EDT | Special Marine Warning | DTX | 94 min | |
| Mar 15, 1:56 PM EDT | Special Marine Warning | DTX | 64 min | |
| Mar 15, 3:03 PM EDT | Severe Thunderstorm Warning | DTX | Huron | 72 min |
| Mar 15, 3:06 PM EDT | Special Marine Warning | DTX | 105 min | |
| Mar 15, 3:24 PM EDT | Special Marine Warning | DTX | 2 hr | |
| Mar 15, 3:28 PM EDT | Special Marine Warning | DTX | 92 min | |
| Mar 15, 3:31 PM EDT | Severe Thunderstorm Warning | DTX | Bay | 59 min |
| Mar 15, 4:01 PM EDT | Severe Thunderstorm Warning | DTX | Huron | 48 min |
| Mar 15, 4:09 PM EDT | Severe Thunderstorm Warning | DTX | Livingston | 81 min |
| Mar 15, 4:26 PM EDT | Severe Thunderstorm Warning | DTX | Genesee, Saginaw | 30 min |
| Mar 15, 4:28 PM EDT | Severe Thunderstorm Warning | DTX | Bay | 77 min |
| Mar 15, 4:36 PM EDT | Severe Thunderstorm Warning | DTX | Lenawee | 84 min |
| Mar 15, 4:40 PM EDT | Severe Thunderstorm Warning | DTX | Genesee, Tuscola | 95 min |
| Mar 15, 4:42 PM EDT | Severe Thunderstorm Warning | DTX | Shiawassee | 55 min |
| Mar 15, 4:53 PM EDT | Special Marine Warning | DTX | 97 min | |
| Mar 15, 4:57 PM EDT | Severe Thunderstorm Warning | DTX | Washtenaw | 93 min |
| Mar 15, 5:07 PM EDT | Tornado Warning | DTX | Livingston, Washtenaw | 53 min |
| Mar 15, 5:28 PM EDT | Special Marine Warning | DTX | 92 min | |
| Mar 15, 5:28 PM EDT | Tornado Warning | DTX | Washtenaw | 62 min |
| Mar 15, 5:33 PM EDT | Severe Thunderstorm Warning | DTX | Monroe | 87 min |
| Mar 15, 5:37 PM EDT | Severe Thunderstorm Warning | DTX | Lapeer, Tuscola | 83 min |
| Mar 15, 5:45 PM EDT | Tornado Warning | DTX | Monroe | 16 min |
| Mar 15, 6:16 PM EDT | Severe Thunderstorm Warning | DTX | Genesee, Tuscola | 29 min |
| Mar 15, 6:22 PM EDT | Special Marine Warning | DTX | 113 min | |
| Mar 15, 6:33 PM EDT | Severe Thunderstorm Warning | DTX | Lenawee | 42 min |
| Mar 15, 6:34 PM EDT | Severe Thunderstorm Warning | DTX | Tuscola | 56 min |
| Mar 15, 6:44 PM EDT | Tornado Warning | DTX | Lapeer | 34 min |
| Mar 15, 6:45 PM EDT | Severe Thunderstorm Warning | DTX | Oakland | 29 min |
| Mar 15, 6:51 PM EDT | Flash Flood Warning | DTX | Washtenaw | 3 hr |
| Mar 15, 6:57 PM EDT | Special Marine Warning | DTX | 93 min | |
| Mar 15, 6:58 PM EDT | Tornado Warning | DTX | Lenawee, Monroe | 47 min |
| Mar 15, 7:03 PM EDT | Severe Thunderstorm Warning | DTX | Wayne | 25 min |
| Mar 15, 7:06 PM EDT | Severe Thunderstorm Warning | DTX | Huron, Sanilac | 54 min |
| Mar 15, 7:12 PM EDT | Special Marine Warning | DTX | 2 hr | |
| Mar 15, 7:17 PM EDT | Severe Thunderstorm Warning | DTX | Lapeer | 73 min |
| Mar 15, 7:19 PM EDT | Flash Flood Warning | DTX | Genesee, Lapeer, Tuscola | 5 hr |
| Mar 15, 7:26 PM EDT | Severe Thunderstorm Warning | DTX | Bay | 16 min |
| Mar 15, 7:47 PM EDT | Severe Thunderstorm Warning | DTX | Monroe | 52 min |
| Mar 15, 7:52 PM EDT | Severe Thunderstorm Warning | DTX | Lapeer | 47 min |
| Mar 15, 7:55 PM EDT | Severe Thunderstorm Warning | DTX | Lenawee | 44 min |
Nearby
Tornado Warnings in Michigan, 2012Every tornado warning in 2012Tornadoes in 2012
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.