Alert archive / Indiana / Flash Flood Warnings in 2011

Flash Flood Warning 11, NWS Northern Indiana

May 25, 20114 counties in Indiana

NWS Northern Indiana issued this flash flood warning at May 25, 2011, 11:49 PM EDT for 4 counties in Indiana. It was in force for 24 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, 11:49 PM EDT (03:49 UTC)
Expired
May 26, 2011, 11:49 PM EDT
In force
24 hr
Issued by
NWS Northern Indiana
Area
Storm-based polygon
Flood severity
None

Counties Allen County, IN, DeKalb County, IN, Huntington County, IN, Wells County, IN

The radar

The Northern Indiana radar (KIWX), 63 km from the middle of the area, began a volume at 03:48 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 26, 4:00 PM EDTFLASH FLOODFort Wayne, INSEVERAL ROADS IN THE CITY OF FORT WAYNE HAD WATER ON THEM. AT LEAST 3 ROADS WERE CLOSED TO DUE HIGH WATER.

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, 3.8 hours before the alert went out and 205 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 00:00Z on 2011-05-26Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1430 joules per kilogram.LCLEL10008507005003002001001 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 00:00Z on 2011-05-26The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 148 square meters per square second.19395878Sfc1 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
1430 J/kg
Mixed-layer CIN
-6 J/kg
Mixed-layer LCL
1362 m above ground
0-6 km bulk shear
51 kt
0-1 km storm-relative helicity
148 m²/s²
0-3 km storm-relative helicity
201 m²/s²
Significant tornado parameter
0.8
Supercell composite
8.2

Open this sounding in Storm Lab

The text

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

604 
WGUS53 KIWX 260349
FFWIWX
INC003-033-069-179-261545-
/O.NEW.KIWX.FF.W.0011.110526T0349Z-110526T01545Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE NORTHERN INDIANA
1149 PM EDT WED MAY 25 2011

THE NATIONAL WEATHER SERVICE IN NORTHERN INDIANA HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  ALLEN COUNTY IN NORTHEAST INDIANA
  SOUTHEASTERN DE KALB COUNTY IN NORTHEAST INDIANA
  HUNTINGTON COUNTY IN NORTHEAST INDIANA
  NORTHERN WELLS COUNTY IN NORTHEAST INDIANA

* UNTIL 1145 AM EDT

* AT 1139 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
  VERY HEAVY RAIN FROM THUNDERSTORMS ALONG A LINE EXTENDING FROM 11
  MILES NORTH OF ANDREWS TO 19 MILES SOUTH OF BANQUO...OR ALONG A
  LINE EXTENDING FROM 7 MILES EAST OF NORTH MANCHESTER TO
  FAIRMOUNT...MOVING NORTH AT 40 MPH.

* THUNDERSTORMS PRODUCING FLASH FLOODING WILL AFFECT THE FOLLOWING
LOCATIONS...
  HUNTINGTON...
  OSSIAN...
  NEW HAVEN AND FORT WAYNE...
  MARKLE...
  WOODBURN...
  GRABILL...

PRECAUTIONARY/PREPAREDNESS ACTIONS...

MAJOR TO NEAR RECORD FLOODING IS POSSIBLE ON THE LITTLE RIVER AT 
HUNTINGTON BY DAYBREAK. ADDITIONAL SIGNIFICANT FLOODING IS LIKELY 
ALONG SPY RUN CREEK IN FORT WAYNE.

ADDITIONAL RAINFALL AMOUNTS OF 1 TO 2 INCHES ARE LIKE IN THE WARNED 
AREA THROUGH 2 AM EDT.

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.

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

&&

LAT...LON 4067 8563 4088 8563 4101 8535 4139 8480
      4111 8480 4093 8502 4093 8508 4088 8508
      4067 8534

$$
2 follow-up statements
579 
WGUS73 KIWX 260639
FFSIWX

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE NORTHERN INDIANA
239 AM EDT THU MAY 26 2011

INC003-033-069-179-261545-
/O.CON.KIWX.FF.W.0011.000000T0000Z-110526T1545Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
DE KALB IN-ALLEN IN-HUNTINGTON IN-WELLS IN-
239 AM EDT THU MAY 26 2011

...A FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 1145 AM EDT FOR
NORTHERN WELLS...HUNTINGTON...ALLEN AND SOUTHEASTERN DE KALB COUNTIES
IN NORTHEAST INDIANA...

.RAINFALL HAS ENDED ACROSS THE AREA. HOWEVER...VERY HEAVY RAINFALL 
COMBINED WITH SATURATED GROUNDS HAS CAUSED A RAPID INCREASE IN WATER 
LEVELS IN MANY STREAMS AND LOW LYING AREAS. PERSONS WHO LIVE IN 
FLOOD PRONE LOCATIONS SHOULD MONITOR NOAA WEATHER RADIO OR YOUR 
LOCAL MEDIA FOR ANY ADDITIONAL FLOOD STATEMENTS AND POSSIBLE 
WARNINGS.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

EXCESSIVE RUNOFF FROM HEAVY RAINFALL WILL CONTINUE TO 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. 
FLOODING IS EXPECTED TO DIMINISH BY DAYBREAK.

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. 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 4067 8563 4088 8563 4101 8535 4139 8480
      4111 8480 4093 8502 4093 8508 4088 8508
      4067 8534

$$


SW
246 
WGUS73 KIWX 261541
FFSIWX

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE NORTHERN INDIANA
1141 AM EDT THU MAY 26 2011

INC003-033-069-179-261550-
/O.EXP.KIWX.FF.W.0011.000000T0000Z-110526T1545Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
DE KALB IN-ALLEN IN-HUNTINGTON IN-WELLS IN-
1141 AM EDT THU MAY 26 2011

...THE FLASH FLOOD WARNING WILL EXPIRE AT 1145 AM EDT FOR NORTHERN
WELLS...HUNTINGTON...ALLEN AND SOUTHEASTERN DE KALB COUNTIES IN
NORTHEAST INDIANA...

NATIONAL WEATHER SERVICE DOPPLER RADAR AND SPOTTER REPORTS INDICATED 
THAT THE THREAT OF FLASH FLOODING HAS ENDED ACROSS THE WARNING AREA. 
SHOWERS WILL BE POSSIBLE THROUGH TONIGHT ALONG WITH A FEW 
THUNDERSTORMS. THE STRONGER STORMS COULD CONTAIN LOCALLY HEAVY RAIN.

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

IF YOU HAVE FLOODING TO REPORT...YOU CAN CALL YOUR LOCAL LAW
ENFORCEMENT AGENCY FOR RELAY TO THE NATIONAL WEATHER SERVICE.

LAT...LON 4067 8563 4088 8563 4101 8535 4139 8480
      4111 8480 4093 8502 4093 8508 4088 8508
      4067 8534

$$

The office that day

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

IssuedProductOfficeCountiesLasted
May 25, 8:00 PM EDTSevere Thunderstorm WarningIWXGrant, Huntington30 min
May 25, 8:12 PM EDTSevere Thunderstorm WarningIWXAdams27 min
May 25, 8:27 PM EDTFlash Flood WarningIWXGrant10 hr
May 25, 9:36 PM EDTSevere Thunderstorm WarningIWXCass, Pulaski, White54 min
May 25, 10:43 PM EDTSevere Thunderstorm WarningIWXCass, Grant, Miami, Wabash62 min
May 25, 11:14 PM EDTAreal Flood WarningIWXCass, Fulton, Grant, Kosciusko, Marshall, Miami and 4 more12 hr
May 25, 11:38 PM EDTSevere Thunderstorm WarningIWXBlackford, Grant, Huntington, Jay, Wells37 min
May 25, 11:53 PM EDTTornado WarningIWXAdams, Blackford, Jay, Wells16 min
May 26, 12:05 AM EDTSevere Thunderstorm WarningIWXJay24 min
May 26, 12:16 AM EDTAreal Flood WarningIWXAdams, Allen, Blackford, Grant, Jay, Wells11 hr
May 26, 12:56 AM EDTAreal Flood WarningIWXAllen, DeKalb, Huntington, Noble, Whitley10 hr
May 26, 2:50 AM EDTRiver Flood WarningIWXCass, Miami, Wabash32 hr
May 26, 4:22 AM EDTSmall Craft AdvisoryIWX28 hr
May 26, 7:30 AM EDTLakeshore Flood StatementIWX35 hr
May 26, 10:05 AM EDTRiver Flood WatchIWXCarroll, White36 hr
May 26, 12:01 PM EDTRiver Flood WarningIWXAllen, Huntington, Wabash58 hr
May 26, 12:01 PM EDTRiver Flood WarningIWXFulton, Kosciusko, Marshall, Pulaski, Starke9 days
May 26, 12:01 PM EDTRiver Flood WarningIWXCarroll, Pulaski, White8 days
May 26, 12:17 PM EDTRiver Flood WatchIWXElkhart23 hr
May 26, 2:02 PM EDTFlash Flood WarningIWXAdams, Allen, Blackford, DeKalb, Grant, Huntington and 1 more3 hr

Nearby

Flash 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.