Alert archive / Indiana / Flash Flood Warnings in 2011

Flash Flood Warning 3, NWS Wilmington, OH

April 19, 2011Carroll County, Gallatin County, Kentucky; 4 counties in Indiana

NWS Wilmington, OH issued this flash flood warning at Apr 19, 2011, 6:56 AM EDT for Carroll County, Gallatin County, Kentucky; 4 counties in Indiana. It was in force for 5 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: Apr 19, 2011, 6:56 AM EDT (10:56 UTC)
Expired: Apr 19, 2011, 12:00 PM EDT
In force: 5 hr
Issued by: NWS Wilmington, OH
Area: Storm-based polygon
Flood severity: None

Counties Dearborn County, IN, Ohio County, IN, Ripley County, IN, Switzerland County, IN, Carroll County, KY, Gallatin County, KY

The radar

The Louisville radar (KLVX), 121 km from the middle of the area, began a volume at 10:58 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
Apr 19, 8:55 AM EDT	FLASH FLOOD	East Enterprise, IN	NUMEROUS REPORTS OF RUSHING WATER OVER SR 250 BETWEEN EAST ENTERPRISE AND PLEASANT. WATER ALSO RUNNING OVER ANTIOCH RD NEAR WALLICK RD. OTHER LOCALIZED FLOODING REPORTED ACROSS COUNTY.

Local storm reports filed while the alert was in force, from inside its polygon or its counties.

The nearest sounding before it

Cncnati-Daytn, OH (KILN), launched 00:00Z, 10.9 hours before the alert went out and 131 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: 1872 m above ground
0-6 km bulk shear: 50 kt
0-1 km storm-relative helicity: 135 m²/s²
0-3 km storm-relative helicity: 360 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

The text

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

102 
WGUS51 KILN 191056
FFWILN
INC029-115-137-155-KYC041-077-191400-
/O.NEW.KILN.FF.W.0003.110419T1056Z-110419T1400Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE WILMINGTON OH
656 AM EDT TUE APR 19 2011

THE NATIONAL WEATHER SERVICE IN WILMINGTON HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  CARROLL COUNTY IN NORTHERN KENTUCKY...
  SOUTHWESTERN GALLATIN COUNTY IN NORTHERN KENTUCKY...
  SOUTHWESTERN DEARBORN COUNTY IN SOUTHEAST INDIANA...
  OHIO COUNTY IN SOUTHEAST INDIANA...
  SOUTHERN RIPLEY COUNTY IN SOUTHEAST INDIANA...
  SWITZERLAND COUNTY IN SOUTHEAST INDIANA...

* UNTIL 1000 AM EDT.

* AT 654 AM EDT...RADAR INDICATED THAT THUNDERSTORMS HAD PRODUCED 
  HEAVY RAINFALL ACROSS THE WARNED AREA. RADAR ESTIMATED 1.5 TO 2.5
  OF RAIN OVERNIGHT.

* HEAVY RAIN CONTINUES TO FALL ACROSS THE WARNED AREA WITH ANOTHER   
  INCH POSSIBLE THROUGH 1000 AM EDT. RUNOFF FROM THIS EXCESSIVE
  RAINFALL WILL CAUSE FLASH FLOODING TO OCCUR.

SOME LOCATIONS THAT WILL EXPERIENCE FLOODING INCLUDE...CARROLLTON...
RISING SUN...DILLSBORO...VEVAY AND WARSAW.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

ACT QUICKLY TO PROTECT YOUR LIFE IF YOU ARE IN A LOW LYING AREA...
ALONG A CREEK...STREAM OR IN AN AREA EXPERIENCING FLOODING. MOVE TO
HIGHER GROUND IMMEDIATELY.

NEVER DRIVE INTO AREAS WHERE WATER COVERS THE ROAD. ONLY A FEW INCHES
OF RAPIDLY FLOWING WATER CAN QUICKLY CARRY AWAY YOUR VEHICLE. FIND AN
ALTERNATE ROUTE OR WAIT UNTIL THE WATER RECEDES.

&&

LAT...LON 3904 8544 3906 8490 3901 8486 3894 8485
      3891 8488 3890 8485 3870 8484 3867 8495
      3867 8529 3873 8534 3874 8534 3874 8526
      3870 8521 3891 8521 3891 8544

$$

1 follow-up statement

074 
WGUS51 KILN 191400
FFWILN
INC029-115-137-155-KYC041-077-191600-
/O.EXT.KILN.FF.W.0003.000000T0000Z-110419T1600Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE WILMINGTON OH
1000 AM EDT TUE APR 19 2011

THE NATIONAL WEATHER SERVICE IN WILMINGTON HAS EXTENDED THE

* FLASH FLOOD WARNING FOR...
  CARROLL COUNTY IN NORTHERN KENTUCKY...
  SOUTHWESTERN GALLATIN COUNTY IN NORTHERN KENTUCKY...
  SOUTHWESTERN DEARBORN COUNTY IN SOUTHEAST INDIANA...
  OHIO COUNTY IN SOUTHEAST INDIANA...
  SOUTHERN RIPLEY COUNTY IN SOUTHEAST INDIANA...
  SWITZERLAND COUNTY IN SOUTHEAST INDIANA...

* UNTIL NOON EDT.

* AT 954 AM EDT...RADAR ESTIMATED THAT THE HEAVIEST RAINS HAD FALLEN 
ACROSS NORTHERN PORTIONS OF THE WARNED AREA ACROSS NORTHERN 
SWITZERLAND AND SOUTHERN RIPLEY AND OHIO COUNTIES. THE RADAR WAS 
ESTIMATING THAT 2 TO 4 INCHES HAD FALLEN IN SOME LOCATIONS.

* HEAVY RAIN CONTINUES TO FALL ACROSS NORTHERN PORTIONS OF THE 
WARNED AREA WITH ANOTHER 1 TO 1.5 INCHES POSSIBLE THROUGH NOON. 
RUNOFF FROM THIS EXCESSIVE RAINFALL MAY CAUSE FLASH FLOODING TO 
OCCUR.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

ACT QUICKLY TO PROTECT YOUR LIFE IF YOU ARE IN A LOW LYING AREA...
ALONG A CREEK...STREAM OR IN AN AREA EXPERIENCING FLOODING. MOVE TO
HIGHER GROUND IMMEDIATELY.

NEVER DRIVE INTO AREAS WHERE WATER COVERS THE ROAD. ONLY A FEW INCHES
OF RAPIDLY FLOWING WATER CAN QUICKLY CARRY AWAY YOUR VEHICLE. FIND AN
ALTERNATE ROUTE OR WAIT UNTIL THE WATER RECEDES.

&&

LAT...LON 3904 8544 3906 8490 3901 8486 3894 8485
      3891 8488 3890 8485 3870 8484 3867 8495
      3867 8529 3873 8534 3874 8534 3874 8526
      3870 8521 3891 8521 3891 8544

$$

The office that day

Everything else NWS Wilmington, OH issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Apr 19, 1:42 AM EDT	Special Weather Statement	ILN	Carroll, Gallatin	63 min
Apr 19, 1:57 AM EDT	Special Weather Statement	ILN	Boone	63 min
Apr 19, 2:13 AM EDT	Special Weather Statement	ILN	Campbell, Kenton	62 min
Apr 19, 2:21 AM EDT	Severe Thunderstorm Warning	ILN	Boone, Campbell, Gallatin, Grant, Kenton, Pendleton	39 min
Apr 19, 2:54 AM EDT	Severe Thunderstorm Warning	ILN	Campbell	39 min
Apr 19, 3:45 AM EDT	Special Weather Statement	ILN	Campbell	60 min
Apr 19, 4:20 AM EDT	Areal Flood Warning	ILN	Boone, Campbell, Kenton	7 hr
Apr 19, 6:12 AM EDT	Areal Flood Warning	ILN	Boone, Carroll, Gallatin, Grant	3 hr
Apr 19, 9:08 AM EDT	Flash Flood Warning	ILN	Boone, Bracken, Campbell, Gallatin, Grant, Kenton and 2 more	3 hr
Apr 19, 2:42 PM EDT	River Flood Advisory	ILN	Boone, Campbell, Kenton	49 hr
Apr 19, 3:54 PM EDT	Flood Watch	ILN	Boone, Campbell, Gallatin, Kenton	17 hr
Apr 19, 12:01 PM EDT	Special Weather Statement	ILN	Wayne	44 min
Apr 19, 12:57 PM EDT	Areal Flood Advisory	ILN	Fayette, Union, Wayne	11 hr
Apr 19, 3:36 PM EDT	River Flood Advisory	ILN	Dearborn, Franklin	28 hr

Nearby

Flash Flood Warnings in Indiana, 2011 Flash Flood Warnings in Kentucky, 2011 Every flash flood warning in 2011

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.