Alert archive / Indiana / Flash Flood Warnings in 2016

Flash Flood Warning 1, NWS Northern Indiana

May 10, 2016Allen County, Indiana

NWS Northern Indiana issued this flash flood warning at May 10, 2016, 8:18 PM EDT for Allen County, Indiana. It was in force for 4 hr. 4 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 10, 2016, 8:18 PM EDT (00:18 UTC)
Expired: May 11, 2016, 12:15 AM EDT
In force: 4 hr
Issued by: NWS Northern Indiana
Area: Storm-based polygon
Flood severity: None

County Allen County, IN

The radar

The Northern Indiana radar (KIWX), 53 km from the middle of the area, began a volume at 00:22 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 10, 9:18 PM EDT	HEAVY RAIN 2.29	5 Sw Fort Wayne, IN	FORT WAYNE AIRPORT RAINFALL SINCE MIDNIGHT THROUGH 917 PM EDT...2.15 INCHES SINCE 727 PM
May 10, 9:46 PM EDT	FLASH FLOOD	Fort Wayne, IN	NUMEROUS REPORTS OF CARS STRANDED IN HIGH WATER IN THE SOUTHWEST PART OF FORT WAYNE
May 10, 10:24 PM EDT	FLASH FLOOD	5 Sw Fort Wayne, IN	NORTHBOUND INTERSTATE 69 IS CLOSED...SEVERAL CRASHES AND 5 VEHICLES PARTIALLY SUBMERGED
May 10, 10:27 PM EDT	HEAVY RAIN 3.43	2 W Westchester, IN	AUTOMATED RAIN GAUGE REPORTS 3.34 INCHES OF PRECIP IN THE PAST 3 HOURS.

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, 0.3 hours before the alert went out and 216 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: 0 J/kg
Mixed-layer CIN: No buoyant parcel
Mixed-layer LCL: 1236 m above ground
0-6 km bulk shear: 31 kt
0-1 km storm-relative helicity: 154 m²/s²
0-3 km storm-relative helicity: 165 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

The text

As transmitted.

158 
WGUS53 KIWX 110018
FFWIWX
INC003-110415-
/O.NEW.KIWX.FF.W.0001.160511T0018Z-160511T0415Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE NORTHERN INDIANA
818 PM EDT TUE MAY 10 2016

THE NATIONAL WEATHER SERVICE IN NORTHERN INDIANA  HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  SOUTHWESTERN ALLEN COUNTY IN NORTHEASTERN INDIANA...

* UNTIL 1215 AM EDT
    
* AT 818 PM EDT...DOPPLER RADAR INDICATED A THUNDERSTORM PRODUCING
  HEAVY RAIN ACROSS THE WARNED AREA. FLASH FLOODING IS EXPECTED TO
  BEGIN SHORTLY.

* SOME LOCATIONS THAT WILL EXPERIENCE FLOODING INCLUDE...
  FORT WAYNE...NEW HAVEN...ABOITE...ZANESVILLE...POE...DUNFEE...
  HESSEN CASSEL...NINE MILE...ARCOLA...ROLLING HILLS AND YODER.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

MOVE TO HIGHER GROUND NOW. ACT QUICKLY TO PROTECT YOUR LIFE.

TURN AROUND...DONT DROWN WHEN ENCOUNTERING FLOODED ROADS. MOST FLOOD
DEATHS OCCUR IN VEHICLES.

&&

LAT...LON 4112 8534 4111 8504 4092 8509 4092 8534

$$

PBM

The office that day

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

Issued	Product	Office	Counties	Lasted
May 10, 9:45 PM EDT	River Flood Warning	IWX	Allen, Huntington, Wabash	42 hr
May 10, 10:06 PM EDT	Areal Flood Advisory	IWX	Allen	114 min
May 10, 11:59 PM EDT	Areal Flood Warning	IWX	Allen	9 hr
May 11, 4:53 AM EDT	River Flood Warning	IWX	Cass, Kosciusko, Miami, Wabash, Whitley	35 hr
May 11, 3:28 PM EDT	River Flood Warning	IWX	LaPorte, Saint Joseph, Starke	3 days

Nearby

Flash Flood Warnings in Indiana, 2016 Every flash flood warning in 2016

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.