Alert archive / Michigan / Severe Thunderstorm Warnings in 2017
Severe Thunderstorm Warning 13, NWS Detroit, MI
NWS Detroit, MI issued this severe thunderstorm warning at Jun 17, 2017, 4:45 PM EDT for Genesee County, Saginaw County, Michigan. It was in force for 45 min. 2 reports 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
- Jun 17, 2017, 4:45 PM EDT (20:45 UTC)
- Expired
- Jun 17, 2017, 5:30 PM EDT
- In force
- 45 min
- Issued by
- NWS Detroit, MI
- Area
- Storm-based polygon
- Hail
- 0.75 in
- Wind
- 60.0 mph
Counties Genesee County, MI, Saginaw County, MI
The radar
The Detroit radar (KDTX), 73 km from the middle of the area, began a volume at 20:46 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 |
|---|---|---|---|
| Jun 17, 4:51 PM EDT | TSTM WND DMG | 6 Sse Marion Springs, MI | REPORT OF MULTIPLE TREES DOWN |
| Jun 17, 4:57 PM EDT | TSTM WND DMG | 3 Wnw Chesaning, MI | REPORTS OF MULTIPLE TREES AND WIRES DOWN |
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, 8.8 hours before the alert went out and 74 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
- 700 J/kg
- Mixed-layer CIN
- -66 J/kg
- Mixed-layer LCL
- 1156 m above ground
- 0-6 km bulk shear
- 28 kt
- 0-1 km storm-relative helicity
- 126 m²/s²
- 0-3 km storm-relative helicity
- 116 m²/s²
- Significant tornado parameter
- 0.2
- Supercell composite
- 3.3
The text
As transmitted.
908
WUUS53 KDTX 172045
SVRDTX
MIC049-145-172130-
/O.NEW.KDTX.SV.W.0013.170617T2045Z-170617T2130Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Detroit/Pontiac MI
445 PM EDT SAT JUN 17 2017
The National Weather Service in Detroit/Pontiac has issued a
* Severe Thunderstorm Warning for...
Southern Saginaw County in southeastern Michigan...
Northwestern Genesee County in southeastern Michigan...
* Until 530 PM EDT
* At 445 PM EDT, a severe thunderstorm was located near Marion
Springs, or 11 miles west of Chesaning, moving east at 40 mph.
HAZARD...60 mph wind gusts.
SOURCE...Radar indicated.
IMPACT...Expect damage to roofs, siding, and trees.
* This severe thunderstorm will be near,
Oakley around 500 PM EDT.
Chesaning around 505 PM EDT.
Montrose around 525 PM EDT.
Birch Run around 530 PM EDT.
Other locations impacted by this severe thunderstorm include
Chesaning, Birch Run, Frankenmuth, Montrose, Oakley, Brant, Fosters,
Fenmore, Burt and Gera.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
&&
LAT...LON 4323 8436 4340 8370 4321 8370 4312 8393
4313 8393 4313 8437
TIME...MOT...LOC 2045Z 263DEG 33KT 4318 8435
HAIL...<.75IN
WIND...60MPH
$$
Mann3 follow-up statements
959
WWUS53 KDTX 172058
SVSDTX
Severe Weather Statement
National Weather Service Detroit/Pontiac MI
458 PM EDT SAT JUN 17 2017
MIC049-145-172130-
/O.CON.KDTX.SV.W.0013.000000T0000Z-170617T2130Z/
Saginaw MI-Genesee MI-
458 PM EDT SAT JUN 17 2017
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 530 PM EDT
FOR SOUTHERN SAGINAW AND NORTHWESTERN GENESEE COUNTIES...
At 458 PM EDT, a severe thunderstorm was located near Chesaning,
moving east at 45 mph.
HAZARD...60 mph wind gusts.
SOURCE...Radar indicated.
IMPACT...Expect damage to roofs, siding, and trees.
This severe storm will be near...
Montrose around 515 PM EDT.
Birch Run around 525 PM EDT.
Frankenmuth around 530 PM EDT.
Other locations impacted by this severe thunderstorm include
Chesaning, Birch Run, Frankenmuth, Montrose, Oakley, Brant, Fosters,
Fenmore, Burt and Gera.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
&&
LAT...LON 4323 8436 4340 8370 4321 8370 4312 8393
4313 8393 4313 8437
TIME...MOT...LOC 2058Z 258DEG 39KT 4322 8416
HAIL...<.75IN
WIND...60MPH
$$
Mann839
WWUS53 KDTX 172109
SVSDTX
Severe Weather Statement
National Weather Service Detroit/Pontiac MI
509 PM EDT SAT JUN 17 2017
MIC049-145-172130-
/O.CON.KDTX.SV.W.0013.000000T0000Z-170617T2130Z/
Saginaw MI-Genesee MI-
509 PM EDT SAT JUN 17 2017
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 530 PM EDT
FOR SOUTHERN SAGINAW AND NORTHWESTERN GENESEE COUNTIES...
At 509 PM EDT, a severe thunderstorm was located 7 miles northwest of
Montrose, or 7 miles northeast of Chesaning, moving east at 45 mph.
HAZARD...60 mph wind gusts.
SOURCE...Radar indicated.
IMPACT...Expect damage to roofs, siding, and trees.
This severe storm will be near...
Montrose around 515 PM EDT.
Birch Run around 525 PM EDT.
Frankenmuth around 530 PM EDT.
Other locations impacted by this severe thunderstorm include
Chesaning, Birch Run, Frankenmuth, Montrose, Oakley, Fosters, Burt,
Gera, Layton Corners and Bridgeport.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
&&
LAT...LON 4326 8421 4340 8370 4321 8370 4312 8393
4313 8393 4313 8430
TIME...MOT...LOC 2109Z 256DEG 39KT 4324 8400
HAIL...<.75IN
WIND...60MPH
$$
Mann040
WWUS53 KDTX 172130
SVSDTX
Severe Weather Statement
National Weather Service Detroit/Pontiac MI
530 PM EDT SAT JUN 17 2017
MIC049-145-172140-
/O.EXP.KDTX.SV.W.0013.000000T0000Z-170617T2130Z/
Saginaw MI-Genesee MI-
530 PM EDT SAT JUN 17 2017
...THE SEVERE THUNDERSTORM WARNING FOR SOUTHERN SAGINAW AND
NORTHWESTERN GENESEE COUNTIES HAS EXPIRED...
The storm which prompted the warning has weakened below severe
limits, and no longer poses an immediate threat to life or property.
Therefore the warning has been allowed to expire. However gusty
winds are still possible with this thunderstorm.
LAT...LON 4326 8421 4340 8370 4321 8370 4312 8393
4313 8393 4313 8430
TIME...MOT...LOC 2130Z 263DEG 33KT 4326 8376
$$
MannThe office that day
Everything else NWS Detroit, MI issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 17, 8:23 AM EDT | Special Weather Statement | DTX | Saginaw, Sanilac, Tuscola | 67 min |
| Jun 17, 10:33 AM EDT | Special Weather Statement | DTX | Sanilac | 57 min |
| Jun 17, 1:40 PM EDT | Special Weather Statement | DTX | Bay, Midland | 95 min |
| Jun 17, 3:44 PM EDT | Small Craft Advisory | DTX | 28 hr | |
| Jun 17, 3:45 PM EDT | Special Weather Statement | DTX | Midland | 60 min |
| Jun 17, 4:14 PM EDT | Special Weather Statement | DTX | Wayne | 31 min |
| Jun 17, 4:36 PM EDT | Special Weather Statement | DTX | Saginaw | 54 min |
| Jun 17, 5:28 PM EDT | Special Weather Statement | DTX | Tuscola | 47 min |
| Jun 17, 6:05 PM EDT | Severe Thunderstorm Warning | DTX | Sanilac, Tuscola | 55 min |
| Jun 17, 6:25 PM EDT | Special Marine Warning | DTX | 95 min | |
| Jun 17, 6:55 PM EDT | Special Weather Statement | DTX | Genesee, Lapeer, Shiawassee | 65 min |
Nearby
Severe Thunderstorm Warnings in Michigan, 2017Every severe thunderstorm warning in 2017
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.