Alert archive / Michigan / Flash Flood Warnings in 2015
Flash Flood Warning 3, NWS Gaylord, MI
NWS Gaylord, MI issued this flash flood warning at Sep 2, 2015, 5:22 PM EDT for Alpena County, Montmorency County, Michigan. It was in force for 3 hr. 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
- Sep 2, 2015, 5:22 PM EDT (21:22 UTC)
- Expired
- Sep 2, 2015, 8:15 PM EDT
- In force
- 3 hr
- Issued by
- NWS Gaylord, MI
- Area
- Storm-based polygon
- Flood severity
- None
Counties Alpena County, MI, Montmorency County, MI
The radar
The NCL Michigan radar (KAPX), 52 km from the middle of the area, began a volume at 21:26 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 |
|---|---|---|---|
| Sep 2, 6:22 PM EDT | HEAVY RAIN 1.27 | Atlanta, MI |
Local storm reports filed while the alert was in force, from inside its polygon or its counties.
The nearest sounding before it
Alpena, MI (KAPX), launched 12:00Z, 9.4 hours before the alert went out and 132 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
- 2493 J/kg
- Mixed-layer CIN
- -17 J/kg
- Mixed-layer LCL
- 698 m above ground
- 0-6 km bulk shear
- 19 kt
- 0-1 km storm-relative helicity
- 57 m²/s²
- 0-3 km storm-relative helicity
- 59 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
870
WGUS53 KAPX 022122
FFWAPX
MIC007-119-030015-
/O.NEW.KAPX.FF.W.0003.150902T2122Z-150903T0015Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE GAYLORD MI
522 PM EDT WED SEP 2 2015
THE NATIONAL WEATHER SERVICE IN GAYLORD HAS ISSUED A
* FLASH FLOOD WARNING FOR...
SOUTHWESTERN ALPENA COUNTY IN NORTHERN MICHIGAN...
MONTMORENCY COUNTY IN NORTHERN MICHIGAN...
* UNTIL 815 PM EDT
* AT 521 PM EDT...DOPPLER RADAR INDICATED A THUNDERSTORM PRODUCING
HEAVY RAIN ACROSS THE WARNED AREA. UP TO TWO INCHES OF RAIN HAVE
ALREADY FALLEN. FLASH FLOODING IS EXPECTED TO BEGIN SHORTLY.
* SOME LOCATIONS THAT WILL EXPERIENCE FLOODING INCLUDE...
ATLANTA...GRASS LAKE...HILLMAN...FLETCHER POND...BRILEY TOWNSHIP...
LOCKWOOD LAKE...ROYSTON...LOUD TOWNSHIP AND CANADA CREEK RANCH.
ADDITIONAL RAINFALL AMOUNTS OF ONE TO TWO INCHES ARE POSSIBLE IN THE
WARNED AREA.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
MOVE TO HIGHER GROUND NOW. ACT QUICKLY TO PROTECT YOUR LIFE.
TURN AROUND...DONT DROWN WHEN ENCOUNTERING FLOODED ROADS. MOST FLOOD
DEATHS OCCUR IN VEHICLES.
&&
LAT...LON 4486 8425 4515 8424 4515 8380 4485 8380
$$
MSB1 follow-up statement
950 WGUS73 KAPX 030014 FFSAPX FLASH FLOOD STATEMENT NATIONAL WEATHER SERVICE GAYLORD MI 814 PM EDT WED SEP 2 2015 MIC007-119-030024- /O.EXP.KAPX.FF.W.0003.000000T0000Z-150903T0015Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ ALPENA MI-MONTMORENCY MI- 814 PM EDT WED SEP 2 2015 ...THE FLASH FLOOD WARNING FOR SOUTHWESTERN ALPENA AND MONTMORENCY COUNTIES WILL EXPIRE AT 815 PM EDT... THE HEAVY RAIN HAS ENDED...AND FLOODING IS NO LONGER EXPECTED TO POSE A THREAT. LAT...LON 4486 8425 4515 8424 4515 8380 4485 8380 $$ AJS
The office that day
Everything else NWS Gaylord, MI issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Sep 2, 2:35 PM EDT | Special Weather Statement | APX | Montmorency | 55 min |
| Sep 2, 3:33 PM EDT | Special Marine Warning | APX | 57 min | |
| Sep 2, 4:12 PM EDT | Special Marine Warning | APX | 63 min | |
| Sep 2, 4:36 PM EDT | Special Weather Statement | APX | Emmet | 54 min |
| Sep 2, 4:37 PM EDT | Severe Thunderstorm Warning | APX | Alcona, Iosco | 23 min |
| Sep 2, 4:41 PM EDT | Special Marine Warning | APX | 49 min | |
| Sep 2, 7:40 PM EDT | Severe Thunderstorm Warning | APX | Arenac, Gladwin, Ogemaw | 65 min |
Nearby
Flash Flood Warnings in Michigan, 2015Every flash flood warning in 2015
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.