Alert archive / Indiana / Flash Flood Warnings in 2011

Flash Flood Warning 10, NWS Northern Indiana

May 25, 2011Grant County, Indiana

NWS Northern Indiana issued this flash flood warning at May 25, 2011, 8:27 PM EDT for Grant County, Indiana. It was in force for 10 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 25, 2011, 8:27 PM EDT (00:27 UTC)
Expired: May 26, 2011, 6:00 AM EDT
In force: 10 hr
Issued by: NWS Northern Indiana
Area: Storm-based polygon
Flood severity: None

County Grant County, IN

The radar

The Northern Indiana radar (KIWX), 92 km from the middle of the area, began a volume at 00:28 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

Cncnati-Daytn, OH (KILN), launched 00:00Z, 0.5 hours before the alert went out and 203 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: 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.

697 
WGUS53 KIWX 260027
FFWIWX
INC053-260415-
/O.NEW.KIWX.FF.W.0010.110526T0027Z-110526T0415Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

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

THE NATIONAL WEATHER SERVICE IN NORTHERN INDIANA HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  GRANT COUNTY IN CENTRAL INDIANA

* UNTIL 1215 AM EDT

* AT 808 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED  
  VERY HEAVY RAIN FROM A THUNDERSTORM OVER THE WARNED AREA. 
  ADDITIONAL ROUNDS OF THUNDERSTORMS WITH MODERATE RAINFALL ARE 
  POSSIBLE THROUGH 10 PM. 

* LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO 
  MARION...HOME CORNER...SIMS...ROSEBURG...LANDESS...
  LAKE WOOD...HANFIELD...HERBST...VAN BUREN...SWEETSER...
  SWAYZEE AND MARION

PRECAUTIONARY/PREPAREDNESS ACTIONS...

EXCESSIVE RUNOFF FROM HEAVY THUNDERSTORM RAINFALL WILL CAUSE 
FLOODING OF SMALL CREEKS AND STREAMS...HIGHWAYS AND UNDERPASSES... 
ESPECIALLY WITHIN THE CITY OF MARION. ADDITIONALLY...COUNTRY ROADS 
AND FARMLANDS ALONG THE BANKS OF CREEKS...STREAMS AND OTHER LOW 
LYING AREAS ARE SUBJECT TO FLOODING. ALSO...PRAIRIE...WILDCAT AND 
POLEY WALK STREAMS IN THE SOUTHWEST PART OF THE COUNTY MAY OVERFLOW 
THEIR BANKS.

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 4051 8587 4067 8564 4067 8546 4060 8546
      4039 8570 4039 8586

$$

3 follow-up statements

292 
WGUS73 KIWX 260151
FFSIWX

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE NORTHERN INDIANA
951 PM EDT WED MAY 25 2011

INC053-260415-
/O.CON.KIWX.FF.W.0010.000000T0000Z-110526T0415Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
GRANT IN-
951 PM EDT WED MAY 25 2011

...A FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 1215 AM EDT FOR
GRANT COUNTY...

LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO 
MARION...LANDESS...LAKE WOOD...HANFIELD...VAN BUREN...SWEETSER AND 
MARION.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

AN EXCEPTIONAL AMOUNT OF RAIN HAS FALLEN ACROSS THE WARNED AREA FROM 
TUESDAY EVENING TO THIS EVENING. THE GROUND IS SATURATED AND MANY 
STREAMS ARE NEAR BANKFULL. MORE THUNDERSTORMS WITH VERY HEAVY 
RAINFALL WILL MOVE INTO THE AREA AROUND 1015 PM WITH MODERATE TO 
HEAVY RAINFALL THEN PERSISTING THROUGH MIDNIGHT. ADDITIONAL RAINFALL 
AMOUNTS OF 1 TO 2 INCHES ARE EXPECTED THROUGH THIS PERIOD...WITH 
UPWARDS OF 3 INCHES POSSIBLE. 

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.

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.

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

STAY TUNED TO WEATHER RADIO OR LOCAL MEDIA OUTLETS FOR THE LATEST
FLOOD INFORMATION.

A TORNADO WATCH REMAINS IN EFFECT UNTIL 200 AM EDT THURSDAY MORNING
FOR NORTHERN INDIANA.

&&

LAT...LON 4051 8587 4067 8564 4067 8546 4060 8546
      4039 8570 4039 8586

$$

664 
WGUS53 KIWX 260406
FFWIWX
INC053-261000-
/O.EXT.KIWX.FF.W.0010.000000T0000Z-110526T1000Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE NORTHERN INDIANA
1206 AM EDT THU MAY 26 2011

THE NATIONAL WEATHER SERVICE IN NORTHERN INDIANA HAS EXTENDED THE

* FLASH FLOOD WARNING FOR...
  GRANT COUNTY IN CENTRAL INDIANA

* UNTIL 600 AM EDT

* AT 1159 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR            
  INDICATED VERY HEAVY RAIN FROM THUNDERSTORMS OVER THE WARNED AREA.

* LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO LANDESS...
  LAKE WOOD...HANFIELD...VAN BUREN...SWEETSER AND MARION

PRECAUTIONARY/PREPAREDNESS ACTIONS...

ADDITIONAL RAINFALL AMOUNTS OF 1 TO 2 INCHES ARE LIKELY 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.

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.

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

&&

LAT...LON 4051 8587 4067 8564 4067 8546 4060 8546
      4039 8570 4039 8586

$$

420 
WGUS73 KIWX 260646
FFSIWX

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

INC053-261000-
/O.CON.KIWX.FF.W.0010.000000T0000Z-110526T1000Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
GRANT IN-
246 AM EDT THU MAY 26 2011

...A FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 600 AM EDT FOR GRANT
COUNTY...

LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO LANDESS...
LAKE WOOD...HANFIELD...VAN BUREN...SWEETSER AND MARION.

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...COUNTRY ROADS...AS WELL AS FARMLAND 
ALONG THE BANKS OF CREEKS AND STREAMS. FLOODING IS EXPECTED TO 
DIMINISH BY DAYBREAK.

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.

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

&&

LAT...LON 4051 8587 4067 8564 4067 8546 4060 8546
      4039 8570 4039 8586

$$


SW

The office that day

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

Issued	Product	Office	Counties	Lasted
May 25, 8:00 PM EDT	Severe Thunderstorm Warning	IWX	Grant, Huntington	30 min
May 25, 8:12 PM EDT	Severe Thunderstorm Warning	IWX	Adams	27 min
May 25, 9:36 PM EDT	Severe Thunderstorm Warning	IWX	Cass, Pulaski, White	54 min
May 25, 10:43 PM EDT	Severe Thunderstorm Warning	IWX	Cass, Grant, Miami, Wabash	62 min
May 25, 11:14 PM EDT	Areal Flood Warning	IWX	Cass, Fulton, Grant, Kosciusko, Marshall, Miami and 4 more	12 hr
May 25, 11:38 PM EDT	Severe Thunderstorm Warning	IWX	Blackford, Grant, Huntington, Jay, Wells	37 min
May 25, 11:49 PM EDT	Flash Flood Warning	IWX	Allen, DeKalb, Huntington, Wells	24 hr
May 25, 11:53 PM EDT	Tornado Warning	IWX	Adams, Blackford, Jay, Wells	16 min
May 26, 12:05 AM EDT	Severe Thunderstorm Warning	IWX	Jay	24 min
May 26, 12:16 AM EDT	Areal Flood Warning	IWX	Adams, Allen, Blackford, Grant, Jay, Wells	11 hr
May 26, 12:56 AM EDT	Areal Flood Warning	IWX	Allen, DeKalb, Huntington, Noble, Whitley	10 hr
May 26, 2:50 AM EDT	River Flood Warning	IWX	Cass, Miami, Wabash	32 hr
May 26, 4:22 AM EDT	Small Craft Advisory	IWX		28 hr
May 26, 7:30 AM EDT	Lakeshore Flood Statement	IWX		35 hr
May 26, 10:05 AM EDT	River Flood Watch	IWX	Carroll, White	36 hr
May 26, 12:01 PM EDT	River Flood Warning	IWX	Allen, Huntington, Wabash	58 hr
May 26, 12:01 PM EDT	River Flood Warning	IWX	Fulton, Kosciusko, Marshall, Pulaski, Starke	9 days
May 26, 12:01 PM EDT	River Flood Warning	IWX	Carroll, Pulaski, White	8 days
May 26, 12:17 PM EDT	River Flood Watch	IWX	Elkhart	23 hr
May 26, 2:02 PM EDT	Flash Flood Warning	IWX	Adams, Allen, Blackford, DeKalb, Grant, Huntington and 1 more	3 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.