Alert archive / Michigan / Flash Flood Warnings in 2020
Flash Flood Warning 9, NWS Gaylord, MI
NWS Gaylord, MI issued this flash flood warning at Jul 19, 2020, 6:35 AM EDT for Antrim County, Grand Traverse County, Leelanau County, Michigan. It was in force for 3 hr. 4 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
- Jul 19, 2020, 6:35 AM EDT (10:35 UTC)
- Expired
- Jul 19, 2020, 9:45 AM EDT
- In force
- 3 hr
- Issued by
- NWS Gaylord, MI
- Area
- Storm-based polygon
- Flood severity
- None
Counties Antrim County, MI, Grand Traverse County, MI, Leelanau County, MI
The radar
The NCL Michigan radar (KAPX), 69 km from the middle of the area, began a volume at 10:35 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 |
|---|---|---|---|
| Jul 19, 7:00 AM EDT | HEAVY RAIN 1.98 | 4 Wsw Bates, MI | COCORAHS STATION MI-GT-1 TRAVERSE CITY 4.1 E. |
| Jul 19, 7:20 AM EDT | HEAVY RAIN 1.75 | 2 Wnw Traverse City, MI | CO-OP OBSERVER STATION TCMM4 TRAVERSE CITY MUNSON. |
| Jul 19, 8:00 AM EDT | HEAVY RAIN 3.22 | 4 Sw Greilickville, MI | COCORAHS STATION MI-GT-27 TRAVERSE CITY 4.7 W. |
| Jul 19, 8:53 AM EDT | HEAVY RAIN 2.61 | 2 Se Traverse City, MI | ASOS STATION KTVC TRAVERSE CITY - CHERRY CAPITAL AIRPORT. |
Local storm reports filed while the alert was in force, from inside its polygon or its counties.
The nearest sounding before it
Green Bay/Straub, WI (KGRB), launched 00:00Z, 10.6 hours before the alert went out and 202 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
- 293 J/kg
- Mixed-layer CIN
- -321 J/kg
- Mixed-layer LCL
- 1478 m above ground
- 0-6 km bulk shear
- 25 kt
- 0-1 km storm-relative helicity
- 122 m²/s²
- 0-3 km storm-relative helicity
- 312 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.1
The text
As transmitted.
085
WGUS53 KAPX 191035
FFWAPX
MIC009-055-089-191345-
/O.NEW.KAPX.FF.W.0009.200719T1035Z-200719T1345Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BULLETIN - EAS ACTIVATION REQUESTED
Flash Flood Warning
National Weather Service Gaylord MI
635 AM EDT Sun Jul 19 2020
The National Weather Service in Gaylord has issued a
* Flash Flood Warning for...
Southwestern Antrim County in northern Michigan...
Central Grand Traverse County in northern Michigan...
South Central Leelanau County in northern Michigan...
* Until 945 AM EDT.
* At 635 AM EDT, Doppler radar indicated thunderstorms producing
heavy rain across the warned area. Between 1 and 2 inches of rain
have fallen. Flash flooding is ongoing or expected to begin
shortly.
HAZARD...Flash flooding caused by thunderstorms.
SOURCE...Doppler radar.
IMPACT...Flooding of small creeks and streams, urban areas,
highways, streets and underpasses as well as other
drainage and low lying areas.
* Some locations that will experience flash flooding include...
Traverse City, Elk Rapids, Traverse City State Park,
Greilickville, Williamsburg, Fouch and Bates.
Additional rainfall amounts up to 1 inch are possible in the warned
area.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Turn around, don't drown when encountering flooded roads. Most flood
deaths occur in vehicles.
&&
LAT...LON 4478 8586 4482 8589 4483 8565 4495 8531
4485 8532 4485 8533 4482 8532 4481 8533
4474 8533 4470 8580 4473 8582 4477 8582
FLASH FLOOD...RADAR INDICATED
$$
kfarina2 follow-up statements
756
WGUS73 KAPX 191220
FFSAPX
Flash Flood Statement
National Weather Service Gaylord MI
820 AM EDT Sun Jul 19 2020
MIC009-055-089-191345-
/O.CON.KAPX.FF.W.0009.000000T0000Z-200719T1345Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Antrim MI-Grand Traverse MI-Leelanau MI-
820 AM EDT Sun Jul 19 2020
...FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 945 AM EDT THIS
MORNING FOR SOUTHWESTERN ANTRIM, CENTRAL GRAND TRAVERSE AND SOUTH
CENTRAL LEELANAU COUNTIES...
At 820 AM EDT, Doppler radar indicated thunderstorms producing heavy
rain across the warned area. Between 1 and 2 inches of rain have
fallen. Flash flooding is possible in Traverse City and the
surrounding areas, even though rain is tapering off.
HAZARD...Flash flooding caused by thunderstorms.
SOURCE...Doppler radar.
IMPACT...Flooding of small creeks and streams, urban areas,
highways, streets and underpasses as well as other
drainage and low lying areas.
Some locations that will experience flash flooding include...
Traverse City, Elk Rapids, Traverse City State Park,
Greilickville, Williamsburg, Fouch and Bates.
Additional rainfall amounts up to 1 inch are possible in the warned
area.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Turn around, don't drown when encountering flooded roads. Most flood
deaths occur in vehicles.
&&
LAT...LON 4478 8586 4482 8589 4483 8565 4495 8531
4485 8532 4485 8533 4482 8532 4481 8533
4474 8533 4470 8580 4473 8582 4477 8582
FLASH FLOOD...RADAR INDICATED
$$
JZ119
WGUS73 KAPX 191340
FFSAPX
Flash Flood Statement
National Weather Service Gaylord MI
940 AM EDT Sun Jul 19 2020
MIC009-055-089-191350-
/O.EXP.KAPX.FF.W.0009.000000T0000Z-200719T1345Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Antrim MI-Grand Traverse MI-Leelanau MI-
940 AM EDT Sun Jul 19 2020
...FLASH FLOOD WARNING WILL EXPIRE AT 945 AM EDT THIS MORNING FOR
SOUTHWESTERN ANTRIM, CENTRAL GRAND TRAVERSE AND SOUTH CENTRAL
LEELANAU COUNTIES...
The heavy rain has ended. Flooding is no longer expected to pose a
threat. Please continue to heed any remaining road closures.
LAT...LON 4478 8586 4482 8589 4483 8565 4495 8531
4485 8532 4485 8533 4482 8532 4481 8533
4474 8533 4470 8580 4473 8582 4477 8582
$$
JZThe office that day
Everything else NWS Gaylord, MI issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 19, 3:41 AM EDT | Small Craft Advisory | APX | 40 hr | |
| Jul 19, 3:43 AM EDT | Beach Hazards Statement | APX | Benzie, Charlevoix, Emmet, Leelanau, Manistee | 16 hr |
| Jul 19, 3:45 AM EDT | Special Weather Statement | APX | Chippewa, Mackinac | 2 hr |
| Jul 19, 3:57 AM EDT | Special Marine Warning | APX | 48 min | |
| Jul 19, 3:59 AM EDT | Severe Thunderstorm Warning | APX | Chippewa | 61 min |
| Jul 19, 4:04 AM EDT | Special Marine Warning | APX | 116 min | |
| Jul 19, 4:33 AM EDT | Severe Thunderstorm Warning | APX | Charlevoix | 27 min |
| Jul 19, 4:52 AM EDT | Special Marine Warning | APX | 38 min | |
| Jul 19, 4:52 AM EDT | Special Weather Statement | APX | Antrim, Emmet, Grand Traverse, Leelanau | 53 min |
| Jul 19, 5:03 AM EDT | Special Marine Warning | APX | 57 min | |
| Jul 19, 5:26 AM EDT | Severe Thunderstorm Warning | APX | Antrim, Charlevoix, Cheboygan, Emmet, Otsego | 64 min |
| Jul 19, 5:37 AM EDT | Severe Thunderstorm Warning | APX | Cheboygan, Presque Isle | 68 min |
| Jul 19, 5:44 AM EDT | Special Marine Warning | APX | 61 min | |
| Jul 19, 5:56 AM EDT | Special Marine Warning | APX | 34 min | |
| Jul 19, 6:01 AM EDT | Special Weather Statement | APX | Montmorency, Otsego | 44 min |
| Jul 19, 6:07 AM EDT | Severe Thunderstorm Warning | APX | Grand Traverse, Kalkaska, Leelanau, Missaukee, Wexford | 53 min |
| Jul 19, 6:14 AM EDT | Severe Thunderstorm Warning | APX | Alpena, Crawford, Montmorency, Oscoda, Otsego | 61 min |
| Jul 19, 6:31 AM EDT | Special Marine Warning | APX | 59 min | |
| Jul 19, 6:52 AM EDT | Special Weather Statement | APX | Alcona, Alpena, Iosco, Ogemaw, Oscoda, Presque Isle and 1 more | 53 min |
| Jul 19, 6:59 AM EDT | Tornado Warning | APX | Alcona, Crawford, Iosco, Ogemaw, Oscoda | 43 min |
| Jul 19, 7:18 AM EDT | Special Marine Warning | APX | 87 min | |
| Jul 19, 7:33 AM EDT | Severe Thunderstorm Warning | APX | Arenac, Iosco, Ogemaw | 42 min |
| Jul 19, 8:28 AM EDT | Severe Thunderstorm Warning | APX | Arenac, Gladwin | 36 min |
| Jul 19, 8:38 AM EDT | Special Marine Warning | APX | 37 min |
Nearby
Flash Flood Warnings in Michigan, 2020Every flash flood warning in 2020
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.