Alert archive / Indiana / Flash Flood Warnings in 2009

Flash Flood Warning 2, NWS Indianapolis, IN

May 1, 2009Clinton County, Indiana

NWS Indianapolis, IN issued this flash flood warning at May 1, 2009, 2:07 AM EDT for Clinton County, Indiana. 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: May 1, 2009, 2:07 AM EDT (06:07 UTC)
Expired: May 1, 2009, 5:00 AM EDT
In force: 3 hr
Issued by: NWS Indianapolis, IN
Area: Storm-based polygon
Flood severity: None

County Clinton County, IN

The radar

The Indianapolis radar (KIND), 70 km from the middle of the area, began a volume at 06:08 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, 6.1 hours before the alert went out and 187 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: 242 J/kg
Mixed-layer CIN: -5 J/kg
Mixed-layer LCL: 841 m above ground
0-6 km bulk shear: 17 kt
0-1 km storm-relative helicity: 61 m²/s²
0-3 km storm-relative helicity: 52 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.

000 
WGUS53 KIND 010607
FFWIND
INC023-010900-
/O.NEW.KIND.FF.W.0002.090501T0607Z-090501T0900Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE INDIANAPOLIS IN
207 AM EDT FRI MAY 1 2009

THE NATIONAL WEATHER SERVICE IN INDIANAPOLIS HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  CENTRAL CLINTON COUNTY IN CENTRAL INDIANA...
  THIS INCLUDES THE CITY OF FRANKFORT...

* UNTIL 500 AM EDT

* AT 203 AM EDT...LOCAL LAW ENFORCEMENT OFFICIALS REPORTED FLASH     
FLOODING FROM HEAVY RAIN IN THE FRANKFORT AREA.

* LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO MULBERRY
  AND MICHIGANTOWN

THIS INCLUDES INTERSTATE 65 BETWEEN MILE MARKERS 154 AND 159.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

FRANKFORT POLICE REPORTED SERIOUS FLOODING IN THE FRANKFORT AREA.  
THEY REPORTED A FEW PEOPLE HAD TO BE RESCUED FROM THEIR VEHICLES AND 
UP TO 3 FEET OF WATER WAS OCCURRING ON SOME CITY STREETS.

DO NOT DRIVE YOUR VEHICLE INTO AREAS WHERE THE WATER COVERS THE 
ROADWAY. THE WATER DEPTH MAY BE TOO GREAT TO ALLOW YOUR CAR TO CROSS 
SAFELY.

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...DON/T DROWN.

&&

LAT...LON 4038 8627 4038 8626 4021 8626 4022 8669
      4039 8668

$$
JH

2 follow-up statements

000 
WGUS73 KIND 010801
FFSIND

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE INDIANAPOLIS IN
301 AM EDT FRI MAY 1 2009

INC023-010900-
/O.CON.KIND.FF.W.0002.000000T0000Z-090501T0900Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
CLINTON-
301 AM EDT FRI MAY 1 2009

...A FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 500 AM EDT FOR A 
LARGE PART OF CLINTON COUNTY...

STREET AND SMALL STREAM FLOODING WAS STILL OCCURRING IN THE 
FRANKFORT AREA AND PORTIONS OF CLINTON COUNTY.  

LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO MULBERRY AND
MICHIGANTOWN

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. MOVE
UP TO HIGHER GROUND TO ESCAPE FLOOD WATERS. DO NOT STAY IN AREAS
SUBJECT TO FLOODING WHEN WATER BEGINS RISING.

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...DON/T DROWN.

RAIN HAS DIMINISHED SOME IN INTENSITY ACROSS CLINTON COUNTY AND 
SHOULD BEGIN TO END BY 500 AM EDT.

&&

LAT...LON 4038 8627 4038 8626 4021 8626 4022 8669
      4039 8668

$$
JH

000 
WGUS73 KIND 010855
FFSIND

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE INDIANAPOLIS IN
455 AM EDT FRI MAY 1 2009

INC023-010903-
/O.EXP.KIND.FF.W.0002.000000T0000Z-090501T0900Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
CLINTON-
455 AM EDT FRI MAY 1 2009

...THE FLASH FLOOD WARNING WILL EXPIRE AT 500 AM EDT FOR CENTRAL
CLINTON COUNTY...

HOWEVER A SMALL STREAMS AND FLOOD ADVISORY FROM CLINTON COUNTY TO 
NORTHERN DELWARE COUNTY WILL BE EXTENDED UNTIL 900 AM EDT.  PERSONS 
SHOULD REFER TO THIS NEW STATEMENTS ON MORE UPDATES ON FLOODING.


LAT...LON 4038 8627 4038 8626 4021 8626 4022 8669
      4039 8668

$$
JEH

Nearby

Flash Flood Warnings in Indiana, 2009 Every flash flood warning in 2009

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.