Alert archive / Ohio / Flash Flood Warnings in 2011

Flash Flood Warning 9, NWS Northern Indiana

May 25, 20117 counties in Ohio; 6 counties in Indiana

NWS Northern Indiana issued this flash flood warning at May 25, 2011, 5:24 PM EDT for 7 counties in Ohio; 6 counties in Indiana. It was in force for 3 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
May 25, 2011, 5:24 PM EDT (21:24 UTC)
Expired
May 25, 2011, 8:15 PM EDT
In force
3 hr
Issued by
NWS Northern Indiana
Area
Storm-based polygon
Flood severity
None

Counties Adams County, IN, Allen County, IN, DeKalb County, IN, Grant County, IN, Huntington County, IN, Wells County, IN, Defiance County, OH, Fulton County, OH, Henry County, OH, Paulding County, OH, Putnam County, OH, Van Wert County, OH, Williams County, OH

The radar

The Northern Indiana radar (KIWX), 74 km from the middle of the area, began a volume at 21:25 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

TimeReportWhereRemark
May 25, 5:32 PM EDTHEAVY RAIN 2.4Napoleon, OHSTORM TOTAL RAINFALL SINCE NOON EDT...MOST OF THE RAIN FELL SINCE 3 PM EDT. ROADS IN AND AROUND NAPOLEON ARE FLOODED.

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 12:00Z, 9.4 hours before the alert went out and 196 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, Cncnati-Daytn, OH at 12:00Z on 2011-05-25Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 49 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, Cncnati-Daytn, OH at 12:00Z on 2011-05-25The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 80 square meters per square second.193958Sfc1 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
49 J/kg
Mixed-layer CIN
-199 J/kg
Mixed-layer LCL
1232 m above ground
0-6 km bulk shear
31 kt
0-1 km storm-relative helicity
80 m²/s²
0-3 km storm-relative helicity
166 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.2

Open this sounding in Storm Lab

The text

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

558 
WGUS53 KIWX 252124
FFWIWX
INC001-003-033-053-069-179-OHC039-051-069-125-137-161-171-260015-
/O.NEW.KIWX.FF.W.0009.110525T2124Z-110526T0015Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE NORTHERN INDIANA
524 PM EDT WED MAY 25 2011

THE NATIONAL WEATHER SERVICE IN NORTHERN INDIANA HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  NORTHEASTERN GRANT COUNTY IN CENTRAL INDIANA
  NORTHERN ADAMS COUNTY IN NORTHEAST INDIANA
  ALLEN COUNTY IN NORTHEAST INDIANA
  SOUTHEASTERN DE KALB COUNTY IN NORTHEAST INDIANA
  SOUTHERN HUNTINGTON COUNTY IN NORTHEAST INDIANA
  WELLS COUNTY IN NORTHEAST INDIANA
  DEFIANCE COUNTY IN NORTHWEST OHIO
  SOUTHERN FULTON COUNTY IN NORTHWEST OHIO
  HENRY COUNTY IN NORTHWEST OHIO
  SOUTHERN WILLIAMS COUNTY IN NORTHWEST OHIO
  PAULDING COUNTY IN WEST CENTRAL OHIO
  NORTHWESTERN PUTNAM COUNTY IN WEST CENTRAL OHIO
  NORTHWESTERN VAN WERT COUNTY IN WEST CENTRAL OHIO

* UNTIL 815 PM EDT

* AT 516 PM EDT...NUMEROUS REPORTS OF WATER OVER ROADS HAS BEEN 
  RECEIVED ACROSS THE WARNING AREA. THE GREATEST THREAT FOR FLASH 
  FLOODING EXTENDS FROM AROUND FORT WAYNE NORTHEAST INTO 
  DEFIANCE...HENRY AND PAULDING COUNTIES WHERE 1 TO 3 INCHES OF RAIN 
  HAS FALLEN. THE AREA OF THUNDERSTORMS THAT BROUGHT THE HEAVY RAIN 
  WILL CONTINUE EAST OUT OF THE WARNING AREA. HOWEVER...FLASH 
  FLOODING WILL CONTINUE TO BE A THREAT AS WATERS CONTINUE TO 
  RUNOFF. ADDITIONAL THUNDERSTORM DEVELOP IS POSSIBLE INTO THIS 
  EVENING...FURTHER ADDING TO THE FLOODING CONCERNS. 

* LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO DEFIANCE...
  ZONE...WINAMEG...TEDROW...PETTISVILLE...OTTOKEE...ELMIRA...
  BURLINGTON...BRAILEY...WAUSEON...SWANTON...DELTA...ARCHBOLD...
  WILLIAMS CENTER...WEST JEFFERSON...PULASKI...MELBERN...HALLOCK...
  WEST UNITY...STRYKER...MONTPELIER...EDGERTON...BRYAN...THE BEND...
  SHERWOOD...MARK CENTER...JEWELL...INDEPENDENCE...FARMER...
  EVANSPORT...BRUNERSBURG...NEY...HICKSVILLE...TEXAS...RIDGEVILLE
  CORNERS...OKOLONA...GRELTON...ELERY...COLTON...NAPOLEON...
  MCCLURE...MALINTA...LIBERTY CENTER...FLORIDA...NEWVILLE AND SAINT
  JOE

PRECAUTIONARY/PREPAREDNESS ACTIONS...

EXCESSIVE RUNOFF FROM HEAVY RAINFALL WILL CAUSE FLOODING OF SMALL
CREEKS AND STREAMS...HIGHWAYS AND UNDERPASSES. ADDITIONALLY...COUNTRY
ROADS AND FARMLANDS ALONG THE BANKS OF CREEKS...STREAMS AND OTHER LOW
LYING AREAS ARE SUBJECT TO FLOODING.

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. VEHICLES CAUGHT IN RISING WATER SHOULD BE ABANDONED QUICKLY. 
MOVE TO HIGHER GROUND. 

TO REPORT FLOODING...HAVE THE NEAREST LAW ENFORCEMENT AGENCY RELAY
YOUR REPORT TO THE NATIONAL WEATHER SERVICE FORECAST OFFICE IN
NORTHERN INDIANA.

&&

LAT...LON 4131 8389 4059 8539 4059 8545 4056 8545
      4051 8555 4065 8570 4067 8565 4070 8565
      4072 8563 4161 8459 4165 8386

$$

The office that day

Everything else NWS Northern Indiana issued on the same UTC day.

IssuedProductOfficeCountiesLasted
May 25, 11:27 AM EDTSpecial Weather StatementIWXDefiance, Paulding, Williams33 min
May 25, 12:20 PM EDTSpecial Weather StatementIWXFulton, Henry25 min
May 25, 1:37 PM EDTSevere Thunderstorm WarningIWXDefiance38 min
May 25, 1:54 PM EDTFlash Flood WatchIWXAllen, Defiance, Fulton, Henry, Paulding, Putnam and 2 more14 hr
May 25, 2:13 PM EDTSevere Thunderstorm WarningIWXDefiance, Paulding62 min
May 25, 2:20 PM EDTSpecial Weather StatementIWXFulton25 min
May 25, 2:39 PM EDTSevere Thunderstorm WarningIWXDefiance, Fulton, Henry, Paulding, Williams51 min
May 25, 2:47 PM EDTFlash Flood WarningIWXDefiance, Fulton, Henry, Paulding, Williams3 hr
May 25, 3:30 PM EDTSevere Thunderstorm WarningIWXDefiance, Fulton, Henry, Paulding, Williams60 min
May 25, 3:52 PM EDTTornado WarningIWXDefiance, Fulton, Henry, Paulding, Putnam38 min
May 25, 4:12 PM EDTSevere Thunderstorm WarningIWXAllen, Henry, Putnam33 min
May 25, 4:15 PM EDTSevere Thunderstorm WarningIWXVan Wert29 min
May 25, 4:19 PM EDTTornado WarningIWXDefiance, Henry, Paulding, Williams41 min
May 25, 4:25 PM EDTTornado WarningIWXHenry, Putnam28 min
May 25, 4:33 PM EDTTornado WarningIWXVan Wert42 min
May 25, 5:00 PM EDTTornado WarningIWXAllen, Putnam, Van Wert45 min
May 25, 5:04 PM EDTSpecial Weather StatementIWXFulton, Henry26 min
May 25, 6:09 PM EDTSevere Thunderstorm WarningIWXAllen, Henry, Putnam, Van Wert39 min
May 25, 6:17 PM EDTRiver Flood WarningIWXPaulding7 days
May 25, 6:17 PM EDTRiver Flood WarningIWXDefiance, Henry7 days
May 25, 6:17 PM EDTRiver Flood WarningIWXDefiance9 days
May 25, 6:17 PM EDTRiver Flood WarningIWXDefiance, Fulton, Williams10 days
May 24, 11:31 PM EDTSevere Thunderstorm WarningIWXPulaski, White59 min
May 25, 12:28 AM EDTSevere Thunderstorm WarningIWXPulaski, White46 min
May 25, 4:23 AM EDTSpecial Weather StatementIWXSaint Joseph22 min
May 25, 8:00 AM EDTSpecial Weather StatementIWXWhite30 min
May 25, 9:21 AM EDTSpecial Weather StatementIWXLaPorte, Starke24 min
May 25, 9:25 AM EDTSpecial Marine WarningIWX95 min
May 25, 10:06 AM EDTSpecial Weather StatementIWXBlackford, Grant, Huntington, Kosciusko, Marshall, Saint Joseph and 1 more24 min
May 25, 10:22 AM EDTSevere Thunderstorm WarningIWXCass, Fulton, Marshall, Pulaski, Starke, White29 min
May 25, 10:51 AM EDTSpecial Weather StatementIWXAdams, Allen, Elkhart, LaGrange, Noble, Wells and 1 more24 min
May 25, 11:00 AM EDTSevere Thunderstorm WarningIWXCass, Elkhart, Fulton, Grant, Kosciusko, Marshall and 5 more60 min
May 25, 12:01 PM EDTSpecial Weather StatementIWXKosciusko, Miami, Wabash29 min
May 25, 12:33 PM EDTSpecial Weather StatementIWXLaGrange, Miami, Noble, Wabash, Whitley27 min
May 25, 12:58 PM EDTSevere Thunderstorm WarningIWXAllen, DeKalb, Noble, Whitley32 min
May 25, 1:26 PM EDTSpecial Weather StatementIWXDeKalb34 min
May 25, 3:15 PM EDTSevere Thunderstorm WarningIWXCass, Miami, Wabash29 min
May 25, 3:33 PM EDTSevere Thunderstorm WarningIWXGrant, Huntington, Wabash, Wells57 min
May 25, 3:39 PM EDTTornado WarningIWXGrant, Huntington, Wells24 min
May 25, 5:19 PM EDTSpecial Weather StatementIWXHuntington26 min
May 25, 5:30 PM EDTSevere Thunderstorm WarningIWXAdams, Blackford, Grant, Jay, Wells45 min
May 25, 5:56 PM EDTTornado WarningIWXAdams, Jay21 min
May 25, 6:17 PM EDTRiver Flood WarningIWXCass, Kosciusko, Miami, Wabash, Whitley5 days
May 25, 6:17 PM EDTRiver Flood WarningIWXAllen6 days
May 25, 6:17 PM EDTRiver Flood WarningIWXAllen52 hr
May 25, 6:19 PM EDTRiver Flood WarningIWXLaPorte, Saint Joseph, Starke10 days
May 25, 6:28 PM EDTSpecial Weather StatementIWXJay32 min
May 25, 7:18 PM EDTSpecial Weather StatementIWXGrant42 min
May 25, 7:25 PM EDTSevere Thunderstorm WarningIWXAdams, Blackford, Grant, Huntington, Jay, Wells65 min

Nearby

Flash Flood Warnings in Ohio, 2011Flash Flood Warnings in Indiana, 2011Every 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.