Alert archive / Indiana / Flash Flood Warnings in 2011

Flash Flood Warning 9, NWS Indianapolis, IN

March 14, 2011Daviess County, Indiana

NWS Indianapolis, IN issued this flash flood warning at Mar 14, 2011, 7:34 AM EDT for Daviess County, Indiana. It was in force for 6 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: Mar 14, 2011, 7:34 AM EDT (11:34 UTC)
Expired: Mar 14, 2011, 1:30 PM EDT
In force: 6 hr
Issued by: NWS Indianapolis, IN
Area: Storm-based polygon
Flood severity: Unknown

County Daviess County, IN

The radar

The Evansville,IN radar (KVWX), 62 km from the middle of the area, began a volume at 11:35 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.

The nearest sounding before it

Lincoln, IL (KILX), launched 00:00Z, 11.6 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.

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: 783 m above ground
0-6 km bulk shear: 51 kt
0-1 km storm-relative helicity: -71 m²/s²
0-3 km storm-relative helicity: 10 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.

682 
WGUS53 KIND 141134
FFWIND
INC027-141730-
/O.NEW.KIND.FF.W.0009.110314T1134Z-110314T1730Z/
/00000.U.DM.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE INDIANAPOLIS IN
734 AM EDT MON MAR 14 2011

THE NATIONAL WEATHER SERVICE IN INDIANAPOLIS HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  A LEVEE FAILURE IN...
  WEST CENTRAL DAVIESS COUNTY IN SOUTHWEST INDIANA...

* UNTIL 130 PM EDT

* AT 215 AM EST ON SATURDAY MARCH 12...THE FAILURE OF A LEVEE        
  ON THE WEST FORK OF THE WHITE RIVER NORTHWEST OF WASHINGTON        
  WAS REPORTED BY LAW ENFORCEMENT.

THIS IS A VERY DANGEROUS AND POTENTIALLY LIFE THREATENING SITUATION. 
RESIDENTS OF THE MAYSVILLE TRAILER PARK...AND SURROUNDING 
AREAS...WEST AND NORTHWEST OF THE TOWN OF WASHINGTON...WILL BE 
IMPACTED. THIS INCLUDES U S HIGHWAY 50 IN THE VICINITY OF THE TOWN 
OF MAYSVILLE...AND COUNTY ROADS 300 WEST AND 150 NORTH ALONG PRAIRIE 
CREEK NORTH OF MAYSVILLE. PLEASE TAKE THIS SERIOUSLY AND FOLLOW ANY 
EVACUATION OR OTHER RECOMMENDATIONS OR ORDERS OF LOCAL LAW 
ENFORCEMENT.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

MOST FLOOD DEATHS OCCUR IN AUTOMOBILES. NEVER DRIVE YOUR VEHICLE INTO
AREAS WHERE THE WATER COVERS THE ROADWAY. FLOOD WATERS ARE USUALLY
DEEPER THAN THEY APPEAR. JUST ONE FOOT OF FLOWING WATER IS POWERFUL
ENOUGH TO SWEEP VEHICLES OFF THE ROAD. WHEN ENCOUNTERING FLOODED
ROADS MAKE THE SMART CHOICE...TURN AROUND...DONT DROWN.

&&

LAT...LON 3864 8725 3865 8725 3867 8728 3870 8728
      3871 8727 3871 8718 3865 8718

$$

KOCH

1 follow-up statement

195 
WGUS73 KIND 141741
FFSIND

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE INDIANAPOLIS IN
141 PM EDT MON MAR 14 2011

INC027-141753-
/O.EXP.KIND.FF.W.0009.000000T0000Z-110314T1730Z/
/00000.U.DM.000000T0000Z.000000T0000Z.000000T0000Z.OO/
DAVIESS-
141 PM EDT MON MAR 14 2011

...THE FLASH FLOOD WARNING THAT WAS IN EFFECT FOR WEST CENTRAL
DAVIESS COUNTY HAS BEEN ALLOWED TO EXPIRE...

THE WHITE RIVER HAS BEEN FALLING AND AT THIS TIME FLASH FLOODING 
FROM A COMPLETE LEVEE FAILURE LOOKS LESS LIKELY...ALTHOUGH IT WILL 
CONTINUE TO BE MONITORED CLOSELY IN CASE OF ANY NEW DEVELOPMENTS. 
MOTORISTS SHOULD CONTINUE TO NOT CROSS ANY WATER COVERED ROAD.

LAT...LON 3864 8725 3865 8725 3867 8728 3870 8728
      3871 8727 3871 8718 3865 8718

$$

KOCH

The office that day

Everything else NWS Indianapolis, IN issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Mar 14, 1:38 AM EDT	Flash Flood Warning	IND	Daviess	6 hr

Nearby

Flash Flood Warnings in Indiana, 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.