Alert archive / Michigan / Flash Flood Warnings in 2012

Flash Flood Warning 5, NWS Gaylord, MI

July 25, 2012Gladwin County, Michigan

NWS Gaylord, MI issued this flash flood warning at Jul 25, 2012, 11:16 PM 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: Jul 25, 2012, 11:16 PM EDT (03:16 UTC)
Expired: Jul 26, 2012, 1:54 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), 111 km from the middle of the area, began a volume at 03:15 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, 3.3 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-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

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: 0 J/kg
Mixed-layer CIN: No buoyant parcel
Mixed-layer LCL: 1843 m above ground
0-6 km bulk shear: 46 kt
0-1 km storm-relative helicity: 226 m²/s²
0-3 km storm-relative helicity: 373 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.4

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

592 
WGUS53 KAPX 260316
FFWAPX
MIC051-260630-
/O.NEW.KAPX.FF.W.0005.120726T0316Z-120726T0630Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE GAYLORD MI
1116 PM EDT WED JUL 25 2012

THE NATIONAL WEATHER SERVICE IN GAYLORD HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  GLADWIN COUNTY IN NORTHERN LOWER MICHIGAN...

* UNTIL 230 AM EDT

* AT 1115 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
  SLOW MOVING THUNDERSTORMS WITH VERY HEAVY RAINFALL ACROSS THE      
  WARNED AREA. RAINFALL ESTIMATES ARE BETWEEN TWO AND THREE INCHES    
  WITH AN ADDITIONAL INCH OR TWO EXPECTED OVER THE NEXT COUPLE OF    
  HOURS. 

* RUNOFF FROM THIS EXCESSIVE RAINFALL WILL CAUSE FLASH FLOODING TO
  OCCUR. SOME LOCATIONS THAT WILL EXPERIENCE FLOODING INCLUDE...
  GLADWIN...BEAVERTON...BOWMANVILLE...HOCKADAY...RHODES...SKEELS...
  WINEGARS AND WOODEN SHOE VILLAGE.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

BE ESPECIALLY CAUTIOUS AT NIGHT WHEN IT IS HARDER TO RECOGNIZE THE
DANGERS OF FLOODING. IF FLASH FLOODING IS OBSERVED ACT QUICKLY. DO
NOT ENTER THE WATER. TURN AROUND AND MOVE UP TO HIGHER GROUND TO
ESCAPE FLOOD WATERS. DO NOT STAY IN AREAS SUBJECT TO FLOODING WHEN
WATER BEGINS RISING.

&&

LAT...LON 4382 8461 4416 8461 4416 8454 4416 8417
      4400 8417 4398 8416 4383 8416 4382 8417
      4382 8436 4381 8436

$$

3 follow-up statements

658 
WGUS73 KAPX 260354
FFSAPX

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE GAYLORD MI
1154 PM EDT WED JUL 25 2012

MIC051-260630-
/O.CON.KAPX.FF.W.0005.000000T0000Z-120726T0630Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
GLADWIN MI-
1154 PM EDT WED JUL 25 2012

...FLASH FLOOD WARNING REMAINS IN EFFECT FOR GLADWIN COUNTY UNTIL 230
AM EDT...

AT 1153 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED 
THUNDERSTORMS WITH VERY HEAVY RAINFALL ACROSS THE WARNED AREA WITH 
RADAR ESTIMATES OF BETWEEN 4 AND 5 INCHES OVER THE LAST TWO HOURS. 

RUNOFF FROM THIS EXCESSIVE RAINFALL WILL CAUSE FLASH FLOODING TO
OCCUR. SOME LOCATIONS THAT WILL EXPERIENCE FLOODING INCLUDE...
GLADWIN...BEAVERTON...BOWMANVILLE...HOCKADAY...RHODES...SKEELS...
WINEGARS AND WOODEN SHOE VILLAGE.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

BE ESPECIALLY CAUTIOUS AT NIGHT WHEN IT IS HARDER TO RECOGNIZE THE
DANGERS OF FLOODING. IF FLOODING IS OBSERVED...ACT QUICKLY. DO NOT
ENTER THE WATER. TURN AROUND AND MOVE UP TO HIGHER GROUND. DO NOT
STAY IN AREAS SUBJECT TO FLOODING WHEN WATER BEGINS RISING.

&&

LAT...LON 4382 8461 4416 8461 4416 8454 4416 8417
      4400 8417 4398 8416 4383 8416 4382 8417
      4382 8436 4381 8436

$$

175 
WGUS73 KAPX 260500
FFSAPX

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE GAYLORD MI
100 AM EDT THU JUL 26 2012

MIC051-260630-
/O.CON.KAPX.FF.W.0005.000000T0000Z-120726T0630Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
GLADWIN MI-
100 AM EDT THU JUL 26 2012

...FLASH FLOOD WARNING REMAINS IN EFFECT FOR GLADWIN COUNTY UNTIL 230
AM EDT...

AT 1259 AM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED 
THAT THE HEAVIEST RAIN HAS MOVED OUT OF GLADWIN COUNTY. 
HOWEVER...THUNDERSTORMS EARLIER IN THE NIGHT DUMPED 2 TO 4 INCHES 
RAIN ACROSS A LARGE SWATH OF CENTRAL GLADWIN COUNTY. RUNOFF FROM 
THIS HEAVY RAIN COULD STILL CAUSE RAPID RISES ON AREAS STREAMS AND 
RIVERS.

RUNOFF FROM THIS EXCESSIVE RAINFALL WILL CAUSE FLASH FLOODING TO 
OCCUR. SOME LOCATIONS THAT WILL EXPERIENCE FLOODING INCLUDE... 
GLADWIN...BEAVERTON...BOWMANVILLE...HOCKADAY...RHODES...WINEGARS AND 
WOODEN SHOE VILLAGE.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

BE ESPECIALLY CAUTIOUS AT NIGHT WHEN IT IS HARDER TO RECOGNIZE THE
DANGERS OF FLOODING. IF FLOODING IS OBSERVED...ACT QUICKLY. DO NOT
ENTER THE WATER. TURN AROUND AND MOVE UP TO HIGHER GROUND. DO NOT
STAY IN AREAS SUBJECT TO FLOODING WHEN WATER BEGINS RISING.

&&

LAT...LON 4382 8461 4416 8461 4416 8454 4416 8417
      4400 8417 4398 8416 4383 8416 4382 8417
      4382 8436 4381 8436

$$



JZ

974 
WGUS73 KAPX 260554
FFSAPX

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE GAYLORD MI
154 AM EDT THU JUL 26 2012

MIC051-260609-
/O.CAN.KAPX.FF.W.0005.000000T0000Z-120726T0630Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
GLADWIN MI-
154 AM EDT THU JUL 26 2012

...THE FLASH FLOOD WARNING THAT WAS IN EFFECT GLADWIN COUNTY IS
CANCELLED...

EXCESS RUNOFF FROM HEAVY RAIN HAS ENDED OVER THE WARNED AREA. STREAMS
AND CREEKS IN THE WARNED AREA HAVE RECEDED OR WERE BEGINNING TO
RECEDE...ENDING THE FLOOD THREAT. IF FLOODING HAS BEEN OBSERVED...
PLEASE REPORT IT TO YOUR LOCAL LAW ENFORCEMENT AGENCY.

LAT...LON 4382 8461 4416 8461 4416 8454 4416 8417
      4400 8417 4398 8416 4383 8416 4382 8417
      4382 8436 4381 8436

$$



JZ

The office that day

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

Issued	Product	Office	Counties	Lasted
Jul 25, 8:22 PM EDT	Special Marine Warning	APX		83 min
Jul 25, 8:40 PM EDT	Severe Thunderstorm Warning	APX	Missaukee, Wexford	65 min
Jul 25, 8:57 PM EDT	Severe Thunderstorm Warning	APX	Manistee, Missaukee, Wexford	60 min
Jul 25, 8:59 PM EDT	Tornado Warning	APX	Missaukee, Wexford	34 min
Jul 25, 9:58 PM EDT	Severe Thunderstorm Warning	APX	Gladwin	44 min
Jul 25, 10:22 PM EDT	Flash Flood Warning	APX	Missaukee, Wexford	3 hr
Jul 25, 10:34 PM EDT	Severe Thunderstorm Warning	APX	Arenac	29 min
Jul 25, 10:46 PM EDT	Flash Flood Warning	APX	Manistee	3 hr

Nearby

Flash Flood Warnings in Michigan, 2012 Every flash flood warning in 2012

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.