Alert archive / Ohio / Flash Flood Warnings in 2011
Flash Flood Warning 1, NWS Northern Indiana
NWS Northern Indiana issued this flash flood warning at May 11, 2011, 4:34 AM EDT for Allen County, Putnam County, Ohio. It was in force for 5 hr. 2 reports 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 11, 2011, 4:34 AM EDT (08:34 UTC)
- Expired
- May 11, 2011, 9:28 AM EDT
- In force
- 5 hr
- Issued by
- NWS Northern Indiana
- Area
- Storm-based polygon
- Flood severity
- None
Counties Allen County, OH, Putnam County, OH
The radar
The Northern Indiana radar (KIWX), 153 km from the middle of the area, began a volume at 08:34 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
| Time | Report | Where | Remark |
|---|---|---|---|
| May 11, 6:13 AM EDT | FLASH FLOOD | 2 Wnw Maysville, OH | HOUSE WITH FLOODING ON PEVEE RD |
| May 11, 6:16 AM EDT | FLASH FLOOD | 2 E Lafayette, OH | LAFAYETTE ROAD CLOSED DUE TO FLOODING BETWEEN PEVEE RD AND BENTLEY RD |
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, 8.6 hours before the alert went out and 157 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.
- Mixed-layer CAPE
- 1068 J/kg
- Mixed-layer CIN
- -186 J/kg
- Mixed-layer LCL
- 2337 m above ground
- 0-6 km bulk shear
- 44 kt
- 0-1 km storm-relative helicity
- 29 m²/s²
- 0-3 km storm-relative helicity
- 82 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.6
The text
As transmitted, in the capitals the NWS used until 2016.
626
WGUS53 KIWX 110834
FFWIWX
OHC003-137-111430-
/O.NEW.KIWX.FF.W.0001.110511T0834Z-110511T1430Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE NORTHERN INDIANA
434 AM EDT WED MAY 11 2011
THE NATIONAL WEATHER SERVICE IN NORTHERN INDIANA HAS ISSUED A
* FLASH FLOOD WARNING FOR...
EASTERN ALLEN COUNTY IN WEST CENTRAL OHIO
SOUTHERN PUTNAM COUNTY IN WEST CENTRAL OHIO
* UNTIL 1030 AM EDT
* AT 430 AM 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 SLABTOWN...
ROCKPORT...CAIRO...BLUFFTON...BEAVERDAM...VAUGHNSVILLE...PANDORA...
OTTAWA...KALIDA...GLANDORF AND COLUMBUS GROVE
PRECAUTIONARY/PREPAREDNESS ACTIONS...
ONE TO THREE INCHES OF RAIN HAS FALLEN IN THE LAST ONE TO TWO HOURS.
ADDITIONAL RAINFALL AMOUNTS OF 1 TO 2 INCHES ARE POSSIBLE IN THE
WARNED AREA THROUGH 6 AM.
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 4064 8388 4064 8402 4078 8409 4087 8418
4104 8429 4107 8406 4091 8389 4086 8386
$$
JC2 follow-up statements
949
WGUS73 KIWX 111006
FFSIWX
FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE NORTHERN INDIANA
606 AM EDT WED MAY 11 2011
OHC003-137-111430-
/O.CON.KIWX.FF.W.0001.000000T0000Z-110511T1430Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
PUTNAM OH-ALLEN OH-
606 AM EDT WED MAY 11 2011
...A FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 1030 AM EDT FOR
EASTERN ALLEN AND SOUTHERN PUTNAM COUNTIES IN WEST CENTRAL OHIO...
THUNDERSTORMS BROUGHT HEAVY RAINFALL TO THE WARNED AREA THIS
MORNING. RAINFALL AMOUNTS OF UP TO 5 INCHES IN A VERY SHORT PERIOD
WERE DETECTED BY DOPPLER RADAR. THE HEAVIEST RAINFALL WAS NEAR THE
VILLAGE OF MAYSVILLE ON STATE ROUTE 309. OTHER AREAS THAT RECEIVED
HEAVY RAINFALL UP TO 3 INCHES IN A SHORT PERIOD WERE NEAR
VAUGHNSVILLE IN PUTNAM COUNTY...TO JUST NORTHWEST OF CAIRO. RUNOFF
FROM HEAVY RAIN MAY LEAD TO FLOODING OF STREAMS AND
CREEKS...FLOODING OF LOW LYING AREAS...AND POSSIBLE ROAD BLOCKAGES
OR CLOSURES.
CREEKS AND STREAMS THAT COULD BE EXPERIENCING FLOODING INCLUDE SUGAR
CREEK...LITTLE RILEY CREEK...AND LITTLE CRANBERRY CREEK.
OTHER LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO
ROCKPORT...BLUFFTON...VAUGHNSVILLE...PANDORA...OTTAWA...KALIDA...GLAN
DORF AND COLUMBUS GROVE.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
EXCESSIVE RUNOFF FROM HEAVY RAINFALL WILL CAUSE FLOODING OF SMALL
CREEKS AND STREAMS...COUNTRY ROADS...AS WELL AS FARMLAND ALONG THE
BANKS OF CREEKS AND STREAMS.
TO REPORT FLOODING...HAVE THE NEAREST LAW ENFORCEMENT AGENCY RELAY
YOUR REPORT TO THE NATIONAL WEATHER SERVICE FORECAST OFFICE IN
NORTHERN INDIANA.
&&
LAT...LON 4064 8388 4064 8402 4078 8409 4087 8418
4104 8429 4107 8406 4091 8389 4086 8386
$$
JC216
WGUS73 KIWX 111328
FFSIWX
FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE NORTHERN INDIANA
928 AM EDT WED MAY 11 2011
OHC003-137-111338-
/O.CAN.KIWX.FF.W.0001.000000T0000Z-110511T1430Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
PUTNAM OH-ALLEN OH-
928 AM EDT WED MAY 11 2011
...THE FLASH FLOOD WARNING HAS BEEN CANCELLED FOR EASTERN ALLEN AND
SOUTHERN PUTNAM COUNTIES IN WEST CENTRAL OHIO...
IF YOU OBSERVED FLOODING...YOU CAN CALL YOUR LOCAL LAW
ENFORCEMENT AGENCY FOR RELAY TO THE NATIONAL WEATHER SERVICE.
LAT...LON 4064 8388 4064 8402 4078 8409 4087 8418
4104 8429 4107 8406 4091 8389 4086 8386
$$The office that day
Everything else NWS Northern Indiana issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 11, 12:13 AM EDT | Severe Thunderstorm Warning | IWX | Allen, Putnam, Van Wert | 62 min |
| May 11, 12:46 AM EDT | Special Weather Statement | IWX | Defiance, Paulding | 29 min |
| May 11, 12:56 AM EDT | Severe Thunderstorm Warning | IWX | Allen, Van Wert | 23 min |
| May 11, 3:24 AM EDT | Special Weather Statement | IWX | Putnam | 36 min |
| May 11, 3:41 AM EDT | Special Weather Statement | IWX | Allen | 34 min |
Nearby
Flash Flood Warnings in Ohio, 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.