Alert archive / Ohio / Flash Flood Warnings in 2011

Flash Flood Warning 14, NWS Northern Indiana

May 26, 20114 counties in Ohio; Hillsdale County, Michigan

NWS Northern Indiana issued this flash flood warning at May 26, 2011, 3:45 PM EDT for 4 counties in Ohio; Hillsdale County, Michigan. 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 26, 2011, 3:45 PM EDT (19:45 UTC)
Expired
May 26, 2011, 6:45 PM EDT
In force
3 hr
Issued by
NWS Northern Indiana
Area
Storm-based polygon
Flood severity
None

Counties Hillsdale County, MI, Defiance County, OH, Fulton County, OH, Henry County, OH, Williams County, OH

The radar

The Northern Indiana radar (KIWX), 107 km from the middle of the area, began a volume at 19:46 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

Detroit, MI (KDTX), launched 12:00Z, 7.8 hours before the alert went out and 165 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, Detroit, MI at 12:00Z on 2011-05-26Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 98 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, Detroit, MI at 12:00Z on 2011-05-26The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 109 square meters per square second.1939587897Sfc1 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
98 J/kg
Mixed-layer CIN
-6 J/kg
Mixed-layer LCL
461 m above ground
0-6 km bulk shear
44 kt
0-1 km storm-relative helicity
109 m²/s²
0-3 km storm-relative helicity
164 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.

216 
WGUS53 KIWX 261945
FFWIWX
MIC059-OHC039-051-069-171-262245-
/O.NEW.KIWX.FF.W.0014.110526T1945Z-110526T2245Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

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

THE NATIONAL WEATHER SERVICE IN NORTHERN INDIANA HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  EASTERN DEFIANCE COUNTY IN NORTHWEST OHIO
  FULTON COUNTY IN NORTHWEST OHIO
  HENRY COUNTY IN NORTHWEST OHIO
  WILLIAMS COUNTY IN NORTHWEST OHIO
  EXTREME SOUTHEASTERN HILLSDALE COUNTY IN SOUTHEAST MICHIGAN

* UNTIL 645 PM EDT

* AT 337 PM EDT...NATIONAL SERVICE DOPPLER RADAR AND LAW ENFORCEMENT 
  OFFICIALS REPORTED FLASH FLOODING FROM A SLOW MOVING AREA OF 
  THUNDERSTORMS EXTENDING FROM SHERWOOD AND HICKSVILLE NORTH INTO 
  MUCH OF WESTERN FULTON COUNTY. THESE STORMS WERE MOVING NORTH 
  NORTHEAST AT AROUND 25 MPH. REPORTS OF STREET FLOODING HAVE BEEN 
  RECEIVED IN THE BRYAN AREA. 

* OTHER LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO  
  EDGERTON...DEFIANCE...MELBERN...BLAKESLEE...INDEPENDENCE... 
  EDON...JEWELL...BRYAN...HOLGATE...COLUMBIA...EVANSPORT...    
  FLORIDA...HALLOCK...PULASKI...OKOLONA...MONTPELIER...MALINTA...
  BRIDGEWATER CENTER...NAPOLEON...LAKE...SENECA...GRELTON... 
  ARCHBOLD...WEST UNITY...LIBERTY CENTER...DELTA...OAKSHADE...       
  BRAILEY...DENSON...  SWANTON...LYONS...SEWARD...ASSUMPTION
  AND METAMORA

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.

FLOODING IS OCCURRING OR IS IMMINENT. MOST FLOOD RELATED DEATHS OCCUR
IN AUTOMOBILES. DO NOT ATTEMPT TO CROSS WATER COVERED BRIDGES...
DIPS... OR LOW WATER CROSSINGS. NEVER TRY TO CROSS A FLOWING
STREAM... EVEN A SMALL ONE...ON FOOT. TO ESCAPE RISING WATER MOVE UP
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 4126 8460 4143 8443 4144 8479 4172 8480
      4172 8389 4123 8387

$$
1 follow-up statement
020 
WGUS73 KIWX 262128
FFSIWX

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE NORTHERN INDIANA
528 PM EDT THU MAY 26 2011

MIC059-OHC039-051-069-171-262245-
/O.CON.KIWX.FF.W.0014.000000T0000Z-110526T2245Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
HILLSDALE MI-HENRY OH-DEFIANCE OH-WILLIAMS OH-FULTON OH-
528 PM EDT THU MAY 26 2011

...A FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 645 PM EDT FOR
EXTREME SOUTHEASTERN HILLSDALE COUNTY IN SOUTHEAST MICHIGAN...AND
FULTON...WILLIAMS...EASTERN DEFIANCE AND HENRY COUNTIES IN NORTHWEST
OHIO...

NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUES TO SHOW SHOWERS AND 
A FEW THUNDERSTORMS PRODUCING HEAVY RAINFALL ACROSS THE WARNING 
AREA. THROUGH 630 PM EDT...THE HEAVIEST RAIN IS EXPECTED ACROSS 
FULTON AND HENRY COUNTIES WHERE AN ADDITIONAL INCH OR MORE OF RAIN 
MAY FALL. THIS WILL CAUSE AN INCREASED RISK FOR RAPIDLY RISING WATER 
IN LOW AND POOR DRAINAGE AREAS...AS WELL AS ALONG SMALL CREEKS AND 
DITCHES. 

LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO TEDROW... 
SEWARD...OAKSHADE...ELMIRA...DENSON...BURLINGTON...BRAILEY... 
ASSUMPTION...WAUSEON...SWANTON...METAMORA...LYONS...ARCHBOLD...
LAKE SENECA...WEST JEFFERSON...PULASKI...NETTLE LAKE...KUNKLE... 
HALLOCK...COLUMBIA...BRIDGEWATER CENTER...WEST UNITY...STRYKER... 
PIONEER...MONTPELIER...EDON...BRYAN...BLAKESLEE AND ALVORDTON.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

EXCESSIVE RUNOFF FROM HEAVY RAINFALL WILL CAUSE FLOODING OF SMALL
CREEKS AND STREAMS...COUNTRY ROADS...AS WELL AS FARMLAND ALONG THE
BANKS OF CREEKS AND STREAMS.

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 4126 8460 4143 8443 4144 8479 4172 8480
      4172 8389 4123 8387

$$

The office that day

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

IssuedProductOfficeCountiesLasted
May 25, 8:12 PM EDTSevere Thunderstorm WarningIWXAllen, Paulding, Putnam, Van Wert27 min
May 25, 10:00 PM EDTRiver Flood WarningIWXHenry5 days
May 25, 10:00 PM EDTRiver Flood WarningIWXPutnam5 days
May 26, 12:24 AM EDTFlash Flood WarningIWXAllen, Defiance, Fulton, Henry, Paulding, Putnam and 1 more11 hr
May 26, 12:29 AM EDTAreal Flood WarningIWXAllen, Paulding, Putnam, Van Wert11 hr
May 26, 12:53 AM EDTSpecial Weather StatementIWXPaulding, Van Wert37 min
May 26, 1:22 AM EDTSpecial Weather StatementIWXAllen, Putnam23 min
May 26, 12:01 PM EDTRiver Flood WarningIWXWilliams7 days
May 26, 12:01 PM EDTRiver Flood WarningIWXDefiance52 hr
May 26, 2:02 PM EDTFlash Flood WarningIWXDefiance, Paulding3 hr
May 26, 2:57 PM EDTSpecial Weather StatementIWXFulton48 min
May 26, 3:35 PM EDTSpecial Weather StatementIWXFulton40 min
May 26, 4:19 PM EDTSpecial Weather StatementIWXAllen, Henry, Putnam, Van Wert56 min
May 26, 5:17 PM EDTSpecial Weather StatementIWXAllen, Fulton, Henry, Putnam58 min
May 26, 6:09 PM EDTSpecial Weather StatementIWXAllen66 min
May 26, 7:53 PM EDTAreal Flood WarningIWXDefiance, Fulton, Henry, Williams6 hr
May 26, 7:30 AM EDTLakeshore Flood StatementIWX35 hr
May 26, 12:17 PM EDTRiver Flood WatchIWX23 hr

Nearby

Flash Flood Warnings in Ohio, 2011Flash Flood Warnings in Michigan, 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.