Alert archive / Michigan / Flash Flood Warnings in 2017

Flash Flood Warning 1, NWS Gaylord, MI

June 23, 2017Gladwin County, Michigan

NWS Gaylord, MI issued this flash flood warning at Jun 23, 2017, 2:06 AM EDT for Gladwin County, Michigan. It was in force for 3 hr. 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 23, 2017, 2:06 AM EDT (06:06 UTC)
Expired
Jun 23, 2017, 5:00 AM EDT
In force
3 hr
Issued by
NWS Gaylord, MI
Area
Storm-based polygon
Flood severity
None

County Gladwin County, MI

The radar

The NCL Michigan radar (KAPX), 113 km from the middle of the area, began a volume at 06:05 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 nearest sounding before it

Detroit, MI (KDTX), launched 00:00Z, 6.1 hours before the alert went out and 155 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 00:00Z on 2017-06-23Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1203 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 00:00Z on 2017-06-23The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 64 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
1203 J/kg
Mixed-layer CIN
-13 J/kg
Mixed-layer LCL
1227 m above ground
0-6 km bulk shear
27 kt
0-1 km storm-relative helicity
64 m²/s²
0-3 km storm-relative helicity
43 m²/s²
Significant tornado parameter
0.2
Supercell composite
2.2

Open this sounding in Storm Lab

The text

As transmitted.

544 
WGUS53 KAPX 230606
FFWAPX
MIC051-230900-
/O.NEW.KAPX.FF.W.0001.170623T0606Z-170623T0900Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
Flash Flood Warning
National Weather Service Gaylord MI
206 AM EDT FRI JUN 23 2017

The National Weather Service in Gaylord has issued a

* Flash Flood Warning for...
  Gladwin County in northern Michigan...

* Until 500 AM EDT

* At 205 AM EDT, Doppler radar indicated thunderstorms producing
  heavy rain across the warned area. Up to three inches of rain have
  already fallen. Flash flooding is expected to begin shortly.

* Some locations that will experience flooding include...
  Gladwin, Beaverton, Wooden Shoe Village, Rhodes and Winegars. 

Additional rainfall amounts of one to two inches are possible in the 
warned area.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Be especially cautious at night when it is harder to recognize the
dangers of flooding.

&&

LAT...LON 4404 8460 4404 8417 4383 8416 4383 8436
      4381 8437 4381 8460

$$

msb
1 follow-up statement
635 
WGUS73 KAPX 230714
FFSAPX

Flash Flood Statement
National Weather Service Gaylord MI
314 AM EDT FRI JUN 23 2017

MIC051-230900-
/O.CON.KAPX.FF.W.0001.000000T0000Z-170623T0900Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Gladwin MI-
314 AM EDT FRI JUN 23 2017

...THE FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 500 AM EDT FOR
GLADWIN COUNTY...

At 311 AM EDT, Doppler radar indicated thunderstorms producing heavy 
rain across the warned area. Up to three and a half inches of rain 
have already fallen. Flash flooding is already occurring or expected 
to begin shortly.

Some locations that will experience flooding include...
Gladwin, Beaverton, Wooden Shoe Village, Rhodes and Winegars. 

Additional rainfall amounts up to an inch are expected in the warned 
area.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Be especially cautious at night when it is harder to recognize the
dangers of flooding.

A Flash Flood Warning means that flooding is imminent or occurring.
If you are in the warned area move to higher ground immediately.
Residents living along streams and creeks should take immediate
precautions to protect life and property.

&&

LAT...LON 4404 8460 4404 8417 4383 8416 4383 8436
      4381 8437 4381 8460

$$

msb

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 23, 4:59 AM EDTAreal Flood WarningAPXGladwin3 hr
Jun 23, 8:01 AM EDTAreal Flood WarningAPXGladwin15 hr
Jun 23, 11:59 AM EDTRiver Flood WarningAPXArenac56 hr

Nearby

Flash Flood Warnings in Michigan, 2017Every flash flood 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.