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2020 [KDTX] DETROIT Flash Flood (FF) Warning (W) Number 5

Listing of Counties/Parishes/Zones Included in Product

RADAR Composite at Issuance Time

Storm Based Warning History

813 
WGUS53 KDTX 201229
FFWDTX
MIC111-201815-
/O.NEW.KDTX.FF.W.0005.200520T1229Z-200520T1815Z/
/00000.3.DM.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
Flash Flood Warning
National Weather Service Detroit/Pontiac MI
829 AM EDT Wed May 20 2020

...FLASH FLOOD EMERGENCY FOR LOCATIONS DOWNSTREAM OF SANFORD DAM...

The National Weather Service in Detroit/Pontiac has issued a

* Flash Flood Warning for...
  The Tittabawassee River from Sanford Dam to the Chippawassee School
  Area in...
  East central Midland County in southeastern Michigan...

* Until 215 PM EDT.

* At 817 AM EDT, county dispatch reported uncontrolled flow through 
  the emergency spillway and the imminent failure of Sanford Dam on 
  the Tittabawassee River.

  THIS IS A FLASH FLOOD EMERGENCY FOR LOCATIONS DOWNSTREAM OF 
SANFORD DAM TO THE CHIPPAWASSEE SCHOOL AREA AND MIDLAND! SEEK HIGHER 
GROUND NOW!

  HAZARD...Life threatening flash flooding from the failure of 
           Sanford Dam.

  SOURCE...County dispatch.

  IMPACT...This is a PARTICULARLY DANGEROUS SITUATION. SEEK HIGHER 
           GROUND NOW! IMMEDIATE EVACUATION for areas downstream 
           from the Sanford Dam along the Tittabawassee River.

* The nearest downstream town is Sanford...located immediately below
  the dam. The town of Averill is 3.5 miles downstream and the
  Chippawassee School Area is 8.5 miles downstream. Areas downstream
  from the Sanford Dam along the Tittabawassee River should be
  prepared for flooding.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

If you are in low lying areas below the Sanford Dam you should move
to higher ground immediately. Follow evacuation instructions provided
by your local emergency officials. Do not attempt to drive across
flooded roadways.

Move to higher ground now. This is an extremely dangerous and
life-threatening situation. Do not attempt to travel unless you are
fleeing an area subject to flooding or under an evacuation order.

&&

LAT...LON 4368 8436 4368 8442 4353 8417 4357 8417

FLASH FLOOD...OBSERVED
FLASH FLOOD DAMAGE THREAT...CATASTROPHIC
DAM FAILURE...OCCURRING

$$

Behnke
090 
WGUS73 KDTX 201607
FFSDTX

Flash Flood Statement
National Weather Service Detroit/Pontiac MI
1207 PM EDT Wed May 20 2020

MIC111-201552-
/O.CAN.KDTX.FF.W.0005.000000T0000Z-200520T1815Z/
/00000.0.DM.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Midland MI-
1207 PM EDT Wed May 20 2020

...THE FLASH FLOOD WARNING FOR EAST CENTRAL MIDLAND COUNTY IS
CANCELLED...

Now that the flood wave from the breach of Edenville and Sanford 
Dams has passed, rapid significant rises along the Tittabawassee 
river are no longer expected. Hence, the Flash Flood Warning for the 
river has been cancelled. Remaining major flooding along the river 
will be addressed by the existing areal flood warning along the 
immediate river basin.

Major flooding will continue along the Tittabawassee as runoff from 
excessive heavy rainfall continues and river level rises are 
exacerbated by the drainage of Wixom Lake and Sanford Lake now that 
the dams have been breached.

While remaining in significant flood, river levels should slowly 
begin to fall between Edenville and Sanford today. The river should 
crest at Midland this afternoon or evening at record levels most 
likely somewhere between 35 and 36 feet with significant flooding 
continuing in the city. River levels will continue to rise, but more 
gradually, through tonight downstream of Midland as the runoff 
continues to work its way toward the Saginaw River.

Follow evacuation instructions provided by your local emergency 
officials as river levels remain extremely high. Do not attempt to 
drive across flooded roadways. Please continue to heed any remaining 
road closures as well..

LAT...LON 4368 8436 4368 8442 4353 8417 4357 8417

$$

DG
Permalink to 202005201229-KDTX-WGUS53-FFWDTX
813 
WGUS53 KDTX 201229
FFWDTX
MIC111-201815-
/O.NEW.KDTX.FF.W.0005.200520T1229Z-200520T1815Z/
/00000.3.DM.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
Flash Flood Warning
National Weather Service Detroit/Pontiac MI
829 AM EDT Wed May 20 2020

...FLASH FLOOD EMERGENCY FOR LOCATIONS DOWNSTREAM OF SANFORD DAM...

The National Weather Service in Detroit/Pontiac has issued a

* Flash Flood Warning for...
  The Tittabawassee River from Sanford Dam to the Chippawassee School
  Area in...
  East central Midland County in southeastern Michigan...

* Until 215 PM EDT.

* At 817 AM EDT, county dispatch reported uncontrolled flow through 
  the emergency spillway and the imminent failure of Sanford Dam on 
  the Tittabawassee River.

  THIS IS A FLASH FLOOD EMERGENCY FOR LOCATIONS DOWNSTREAM OF 
SANFORD DAM TO THE CHIPPAWASSEE SCHOOL AREA AND MIDLAND! SEEK HIGHER 
GROUND NOW!

  HAZARD...Life threatening flash flooding from the failure of 
           Sanford Dam.

  SOURCE...County dispatch.

  IMPACT...This is a PARTICULARLY DANGEROUS SITUATION. SEEK HIGHER 
           GROUND NOW! IMMEDIATE EVACUATION for areas downstream 
           from the Sanford Dam along the Tittabawassee River.

* The nearest downstream town is Sanford...located immediately below
  the dam. The town of Averill is 3.5 miles downstream and the
  Chippawassee School Area is 8.5 miles downstream. Areas downstream
  from the Sanford Dam along the Tittabawassee River should be
  prepared for flooding.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

If you are in low lying areas below the Sanford Dam you should move
to higher ground immediately. Follow evacuation instructions provided
by your local emergency officials. Do not attempt to drive across
flooded roadways.

Move to higher ground now. This is an extremely dangerous and
life-threatening situation. Do not attempt to travel unless you are
fleeing an area subject to flooding or under an evacuation order.

&&

LAT...LON 4368 8436 4368 8442 4353 8417 4357 8417

FLASH FLOOD...OBSERVED
FLASH FLOOD DAMAGE THREAT...CATASTROPHIC
DAM FAILURE...OCCURRING

$$

Behnke
Permalink to 202005201607-KDTX-WGUS73-FFSDTX
090 
WGUS73 KDTX 201607
FFSDTX

Flash Flood Statement
National Weather Service Detroit/Pontiac MI
1207 PM EDT Wed May 20 2020

MIC111-201552-
/O.CAN.KDTX.FF.W.0005.000000T0000Z-200520T1815Z/
/00000.0.DM.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Midland MI-
1207 PM EDT Wed May 20 2020

...THE FLASH FLOOD WARNING FOR EAST CENTRAL MIDLAND COUNTY IS
CANCELLED...

Now that the flood wave from the breach of Edenville and Sanford 
Dams has passed, rapid significant rises along the Tittabawassee 
river are no longer expected. Hence, the Flash Flood Warning for the 
river has been cancelled. Remaining major flooding along the river 
will be addressed by the existing areal flood warning along the 
immediate river basin.

Major flooding will continue along the Tittabawassee as runoff from 
excessive heavy rainfall continues and river level rises are 
exacerbated by the drainage of Wixom Lake and Sanford Lake now that 
the dams have been breached.

While remaining in significant flood, river levels should slowly 
begin to fall between Edenville and Sanford today. The river should 
crest at Midland this afternoon or evening at record levels most 
likely somewhere between 35 and 36 feet with significant flooding 
continuing in the city. River levels will continue to rise, but more 
gradually, through tonight downstream of Midland as the runoff 
continues to work its way toward the Saginaw River.

Follow evacuation instructions provided by your local emergency 
officials as river levels remain extremely high. Do not attempt to 
drive across flooded roadways. Please continue to heed any remaining 
road closures as well..

LAT...LON 4368 8436 4368 8442 4353 8417 4357 8417

$$

DG

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