Alert archive / Michigan / Tornado Warnings in 2021

Tornado Warning 1, NWS Detroit, MI

June 26, 2021Bay County, Michigan

NWS Detroit, MI issued this tornado warning at Jun 26, 2021, 4:45 PM EDT for Bay County, Michigan. It was in force for 30 min. No storm report in the archive falls inside the area while it was in force.

The area

The outline as issued.

The facts

Issued
Jun 26, 2021, 4:45 PM EDT (20:45 UTC)
Expired
Jun 26, 2021, 5:15 PM EDT
In force
30 min
Issued by
NWS Detroit, MI
Area
Storm-based polygon
Tornado
Radar indicated
Hail
0.0 in

County Bay County, MI

The radar

The Detroit radar (KDTX), 118 km from the middle of the area, began a volume at 20:48 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.

IssuedProductOfficeLasted
Jun 26, 4:04 PM EDTTornado WatchSPC6 hr

The nearest sounding before it

Detroit, MI (KDTX), launched 12:00Z, 8.8 hours before the alert went out and 117 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-pSkew-T log-p diagram, Detroit, MI at 12:00Z on 2021-06-26Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 492 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Detroit, MI at 12:00Z on 2021-06-26The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 90 square meters per square second.19395878Sfc1 km3 km6 km9 kmRMLM
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
492 J/kg
Mixed-layer CIN
-3 J/kg
Mixed-layer LCL
493 m above ground
0-6 km bulk shear
42 kt
0-1 km storm-relative helicity
90 m²/s²
0-3 km storm-relative helicity
139 m²/s²
Significant tornado parameter
0.2
Supercell composite
1.5

Open this sounding in Storm Lab

The text

As transmitted.

392 
WFUS53 KDTX 262045
TORDTX
MIC017-262115-
/O.NEW.KDTX.TO.W.0001.210626T2045Z-210626T2115Z/

BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service Detroit/Pontiac MI
445 PM EDT Sat Jun 26 2021

The National Weather Service in Detroit/Pontiac has issued a

* Tornado Warning for...
  Southwestern Bay County in southeastern Michigan...

* Until 515 PM EDT.
    
* At 444 PM EDT, a severe thunderstorm capable of producing a tornado
  was located over Auburn, moving northeast at 35 mph.

  HAZARD...Tornado.

  SOURCE...Radar indicated rotation.

  IMPACT...Flying debris will be dangerous to those caught without 
           shelter. Mobile homes will be damaged or destroyed. 
           Damage to roofs, windows, and vehicles will occur.  Tree 
           damage is likely.

* This dangerous storm will be near...
  Bay City and Kawkawlin around 500 PM EDT.

Other locations in the path of this tornadic thunderstorm include
Linwood.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

TAKE COVER NOW! Move to a basement or an interior room on the lowest
floor of a sturdy building. Avoid windows. If you are outdoors, in a
mobile home, or in a vehicle, move to the closest substantial shelter
and protect yourself from flying debris.

&&

LAT...LON 4383 8392 4379 8389 4374 8391 4370 8389
      4369 8387 4367 8381 4365 8380 4357 8402
      4357 8417 4366 8417
TIME...MOT...LOC 2044Z 234DEG 30KT 4360 8412 

TORNADO...RADAR INDICATED
HAIL...0.00IN

$$

SC
3 follow-up statements
470 
WWUS53 KDTX 262052
SVSDTX

Severe Weather Statement
National Weather Service Detroit/Pontiac MI
452 PM EDT Sat Jun 26 2021

MIC017-262115-
/O.CON.KDTX.TO.W.0001.000000T0000Z-210626T2115Z/
Bay MI-
452 PM EDT Sat Jun 26 2021

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 515 PM EDT FOR
SOUTHWESTERN BAY COUNTY...
    
At 452 PM EDT, a severe thunderstorm capable of producing a tornado
was located over Auburn, moving northeast at 35 mph.

HAZARD...Tornado.

SOURCE...Radar indicated rotation.

IMPACT...Flying debris will be dangerous to those caught without 
         shelter. Mobile homes will be damaged or destroyed. Damage 
         to roofs, windows, and vehicles will occur.  Tree damage is 
         likely.

This dangerous storm will be near...
  Kawkawlin around 500 PM EDT.
  Linwood around 505 PM EDT.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

TAKE COVER NOW! Move to a basement or an interior room on the lowest
floor of a sturdy building. Avoid windows. If you are outdoors, in a
mobile home, or in a vehicle, move to the closest substantial shelter
and protect yourself from flying debris.

&&

LAT...LON 4383 8392 4380 8389 4374 8391 4370 8389
      4368 8385 4364 8390 4358 8402 4359 8411
      4366 8417
TIME...MOT...LOC 2052Z 221DEG 31KT 4364 8407 

TORNADO...RADAR INDICATED
HAIL...0.00IN

$$

KDK
966 
WWUS53 KDTX 262104
SVSDTX

Severe Weather Statement
National Weather Service Detroit/Pontiac MI
504 PM EDT Sat Jun 26 2021

MIC017-262115-
/O.CON.KDTX.TO.W.0001.000000T0000Z-210626T2115Z/
Bay MI-
504 PM EDT Sat Jun 26 2021

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 515 PM EDT FOR CENTRAL
BAY COUNTY...
    
At 504 PM EDT, a severe thunderstorm capable of producing a tornado
was located over Linwood, or 8 miles northwest of Bay City, moving
northeast at 35 mph.

HAZARD...Tornado.

SOURCE...Radar indicated rotation.

IMPACT...Flying debris will be dangerous to those caught without 
         shelter. Mobile homes will be damaged or destroyed. Damage 
         to roofs, windows, and vehicles will occur.  Tree damage is 
         likely.

This tornadic thunderstorm will remain over mainly rural areas of
central Bay County, including the following locations... Bay City
State Recreation Area.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

TAKE COVER NOW! Move to a basement or an interior room on the lowest
floor of a sturdy building. Avoid windows. If you are outdoors, in a
mobile home, or in a vehicle, move to the closest substantial shelter
and protect yourself from flying debris.

&&

LAT...LON 4374 8391 4370 8389 4368 8385 4364 8390
      4363 8398 4367 8403 4373 8405 4380 8395
      4380 8389
TIME...MOT...LOC 2104Z 234DEG 30KT 4370 8396 

TORNADO...RADAR INDICATED
HAIL...0.00IN

$$

KDK
386 
WWUS53 KDTX 262112
SVSDTX

Severe Weather Statement
National Weather Service Detroit/Pontiac MI
512 PM EDT Sat Jun 26 2021

MIC017-262122-
/O.EXP.KDTX.TO.W.0001.000000T0000Z-210626T2115Z/
Bay MI-
512 PM EDT Sat Jun 26 2021

...THE TORNADO WARNING FOR CENTRAL BAY COUNTY WILL EXPIRE AT 515 PM
EDT...
        
The storm which prompted the warning has moved out of the area.
Therefore, the warning will be allowed to expire.

A Tornado Watch remains in effect until 1000 PM EDT for southeastern
Michigan.

LAT...LON 4374 8391 4370 8389 4368 8385 4364 8390
      4363 8398 4367 8403 4373 8405 4380 8395
      4380 8389
TIME...MOT...LOC 2112Z 234DEG 30KT 4373 8390 

$$

KDK

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 25, 8:02 PM EDTSpecial Weather StatementDTXMacomb28 min
Jun 25, 8:12 PM EDTSpecial Weather StatementDTXLapeer78 min
Jun 25, 8:32 PM EDTSpecial Marine WarningDTX73 min
Jun 26, 12:15 AM EDTAreal Flood AdvisoryDTXWashtenaw, Wayne3 hr
Jun 26, 12:58 AM EDTFlash Flood WarningDTXWashtenaw, Wayne5 hr
Jun 26, 2:20 AM EDTAreal Flood AdvisoryDTXMacomb, Oakland, Saint Clair3 hr
Jun 26, 2:51 AM EDTRiver Flood WarningDTXWayne36 hr
Jun 26, 2:52 AM EDTRiver Flood WarningDTXWayne36 hr
Jun 26, 3:15 AM EDTRiver Flood WarningDTXWayne32 hr
Jun 26, 4:00 AM EDTFlood WatchDTXBay, Genesee, Huron, Lapeer, Lenawee, Livingston and 11 more22 hr
Jun 26, 5:54 AM EDTAreal Flood WarningDTXWashtenaw, Wayne10 hr
Jun 26, 8:57 AM EDTRiver Flood WarningDTXMacomb17 hr
Jun 26, 9:45 AM EDTMarine Dense Fog AdvisoryDTX24 hr
Jun 26, 2:53 PM EDTSmall Craft AdvisoryDTX7 hr
Jun 26, 3:05 PM EDTSpecial Weather StatementDTXSanilac40 min
Jun 26, 3:12 PM EDTSpecial Marine WarningDTX78 min
Jun 26, 3:44 PM EDTSpecial Weather StatementDTXBay46 min
Jun 26, 4:16 PM EDTSpecial Marine WarningDTX59 min
Jun 26, 5:07 PM EDTSpecial Marine WarningDTX47 min
Jun 26, 5:32 PM EDTSevere Thunderstorm WarningDTXShiawassee58 min
Jun 26, 5:37 PM EDTSpecial Marine WarningDTX53 min
Jun 26, 5:42 PM EDTSevere Thunderstorm WarningDTXSaginaw50 min
Jun 26, 6:05 PM EDTTornado WarningDTXShiawassee55 min
Jun 26, 6:10 PM EDTSevere Thunderstorm WarningDTXGenesee80 min
Jun 26, 6:17 PM EDTTornado WarningDTXGenesee43 min
Jun 26, 6:41 PM EDTSevere Thunderstorm WarningDTXLivingston79 min
Jun 26, 6:43 PM EDTTornado WarningDTXGenesee42 min
Jun 26, 6:49 PM EDTSevere Thunderstorm WarningDTXLapeer43 min
Jun 26, 7:38 PM EDTTornado WarningDTXLivingston35 min
Jun 26, 7:55 PM EDTSpecial Weather StatementDTXLapeer, Oakland65 min

Nearby

Tornado Warnings in Michigan, 2021Every tornado warning in 2021Tornadoes in 2021

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.