Alert archive / Indiana / Flash Flood Warnings in 2012

Flash Flood Warning 6, NWS Northern Indiana

July 19, 201210 counties in Indiana

NWS Northern Indiana issued this flash flood warning at Jul 19, 2012, 5:35 AM EDT for 10 counties in Indiana. It was in force for 115 min. 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
Jul 19, 2012, 5:35 AM EDT (09:35 UTC)
Expired
Jul 19, 2012, 7:30 AM EDT
In force
115 min
Issued by
NWS Northern Indiana
Area
Storm-based polygon
Flood severity
None

Counties Allen County, IN, DeKalb County, IN, Huntington County, IN, Kosciusko County, IN, LaGrange County, IN, Noble County, IN, Steuben County, IN, Wabash County, IN, Wells County, IN, Whitley County, IN

The radar

The Northern Indiana radar (KIWX), 56 km from the middle of the area, began a volume at 09:36 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
Jul 19, 7:00 AM EDTHEAVY RAIN 1.537 Sse Columbia City, IN24 HOUR TOTAL
Jul 19, 7:00 AM EDTHEAVY RAIN 2.085 Nw Angola, IN24 HOUR TOTAL

Local storm reports filed while the alert was in force, from inside its polygon or its counties.

The nearest sounding before it

Detroit, MI (KDTX), launched 00:00Z, 9.6 hours before the alert went out and 190 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 00:00Z on 2012-07-19Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 66 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 00:00Z on 2012-07-19The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 3 square meters per square second.1939Sfc1 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
66 J/kg
Mixed-layer CIN
-47 J/kg
Mixed-layer LCL
1042 m above ground
0-6 km bulk shear
30 kt
0-1 km storm-relative helicity
3 m²/s²
0-3 km storm-relative helicity
97 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.

675 
WGUS53 KIWX 190935
FFWIWX
INC003-033-069-085-087-113-151-169-179-183-191130-
/O.NEW.KIWX.FF.W.0006.120719T0935Z-120719T1130Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE NORTHERN INDIANA
535 AM EDT THU JUL 19 2012

THE NATIONAL WEATHER SERVICE IN NORTHERN INDIANA HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  SOUTHEASTERN KOSCIUSKO COUNTY IN NORTH CENTRAL INDIANA
  NORTHERN WABASH COUNTY IN NORTH CENTRAL INDIANA
  WESTERN ALLEN COUNTY IN NORTHEAST INDIANA
  DE KALB COUNTY IN NORTHEAST INDIANA
  NORTHERN HUNTINGTON COUNTY IN NORTHEAST INDIANA
  EASTERN LAGRANGE COUNTY IN NORTHEAST INDIANA
  NOBLE COUNTY IN NORTHEAST INDIANA
  STEUBEN COUNTY IN NORTHEAST INDIANA
  NORTH CENTRAL WELLS COUNTY IN NORTHEAST INDIANA
  WHITLEY COUNTY IN NORTHEAST INDIANA

* UNTIL 730 AM EDT

* AT 527 AM EDT...RAINFALL AMOUNTS OF NEARLY AN INCH IN LESS THAN AN 
HOUR HAVE BEEN MEASURED BY THE NATIONAL WEATHER SERVICE. THE 
THUNDERSTORMS WILL MOVE INTO THE WARNED AREA AND PRODUCE RAINFALL 
AMOUNTS OF ONE TO ONE AND A HALF INCHES OF RAINFALL THROUGH 730 AM 
EDT. 

* LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO SILVER
  LAKE...LIBERTY MILLS...URBANA...LAKETON...IJAMSVILLE...NORTH
  MANCHESTER...LORANE...ETNA...COLLAMER...LOON LAKE...GOOSE LAKE...
  SOUTH WHITLEY...LARWILL...BIG LAKE...BEAR LAKE...WOLFLAKE...
  ORMAS...BRIMFIELD...WOLCOTTVILLE...ROME CITY...ALBION...METZ...
  RAY...LONG LAKE...LAKE GAUGE...GOLDEN LAKE...BIG TURKEY LAKE...
  YORK...SALEM CENTER...PLEASANT LAKE...NEVADA MILLS...LAKE JAMES...
  FLINT...CROOKED LAKE...BERLIEN...ALVARADO...ORLAND...FREMONT...
  CLEAR LAKE...ANGOLA...BIG LONG LAKE...ADAMS LAKE...WOODRUFF...
  STROH...MONGO...INDIANOLA...ELMIRA AND BRUSHY PRAIRIE

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.

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 4171 8480 4170 8479 4160 8480 4088 8531
      4089 8590 4176 8521 4176 8480

$$

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 18, 9:03 PM EDTSpecial Weather StatementIWXSteuben57 min
Jul 18, 10:50 PM EDTSpecial Marine WarningIWX115 min
Jul 18, 11:43 PM EDTSevere Thunderstorm WarningIWXLaPorte, Saint Joseph62 min
Jul 19, 12:26 AM EDTSevere Thunderstorm WarningIWXLaPorte, Marshall, Saint Joseph, Starke64 min
Jul 19, 12:29 AM EDTFlash Flood WarningIWXLaPorte, Saint Joseph3 hr
Jul 19, 1:03 AM EDTSevere Thunderstorm WarningIWXElkhart, Kosciusko, Marshall, Saint Joseph57 min
Jul 19, 1:12 AM EDTAreal Flood AdvisoryIWXMarshall, Saint Joseph, Starke3 hr
Jul 19, 1:45 AM EDTSpecial Weather StatementIWXLaGrange, Noble, Whitley60 min
Jul 19, 2:33 AM EDTSpecial Weather StatementIWXDeKalb, LaGrange, Noble, Steuben57 min
Jul 19, 4:04 AM EDTSpecial Weather StatementIWXElkhart, Saint Joseph41 min
Jul 19, 5:19 AM EDTAreal Flood AdvisoryIWXElkhart, Fulton, Kosciusko, LaGrange, Marshall, Noble and 2 more3 hr
Jul 19, 5:53 AM EDTFlash Flood WarningIWXAllen, DeKalb3 hr
Jul 19, 6:22 AM EDTFlash Flood WarningIWXElkhart, LaGrange, LaPorte, Noble, Saint Joseph3 hr
Jul 19, 6:44 AM EDTSpecial Weather StatementIWXHuntington, Kosciusko, Miami, Wabash, Whitley61 min
Jul 19, 3:28 PM EDTSmall Craft AdvisoryIWX31 hr
Jul 19, 6:03 PM EDTRip Current StatementIWX34 hr
Jul 19, 7:16 PM EDTSpecial Weather StatementIWXMiami44 min
Jul 19, 7:19 PM EDTSpecial Weather StatementIWXBlackford41 min

Nearby

Flash Flood Warnings in Indiana, 2012Every flash flood warning in 2012

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.