Alert archive / Indiana / Flash Flood Warnings in 2017

Flash Flood Warning 2, NWS Northern Indiana

May 20, 2017Fulton County, Marshall County, Indiana

NWS Northern Indiana issued this flash flood warning at May 20, 2017, 9:53 PM EDT for Fulton County, Marshall County, Indiana. It was in force for 3 hr. 1 report 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 20, 2017, 9:53 PM EDT (01:53 UTC)
Expired
May 21, 2017, 1:00 AM EDT
In force
3 hr
Issued by
NWS Northern Indiana
Area
Storm-based polygon
Flood severity
None

Counties Fulton County, IN, Marshall County, IN

The radar

The Northern Indiana radar (KIWX), 44 km from the middle of the area, began a volume at 01:52 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
May 20, 10:24 PM EDTHEAVY RAIN 3.243 Sw Bourbon, INSINCE MIDNIGHT.

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

The nearest sounding before it

Lincoln, IL (KILX), launched 00:00Z, 1.9 hours before the alert went out and 235 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, Lincoln, IL at 00:00Z on 2017-05-21Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 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, Lincoln, IL at 00:00Z on 2017-05-21The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 31 square meters per square second.19395878Sfc1 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
1283 m above ground
0-6 km bulk shear
42 kt
0-1 km storm-relative helicity
31 m²/s²
0-3 km storm-relative helicity
77 m²/s²
Significant tornado parameter
0.0
Supercell composite
-0.0

Open this sounding in Storm Lab

The text

As transmitted.

547 
WGUS53 KIWX 210153
FFWIWX
INC049-099-210500-
/O.NEW.KIWX.FF.W.0002.170521T0153Z-170521T0500Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
Flash Flood Warning
National Weather Service Northern Indiana
953 PM EDT SAT MAY 20 2017

The National Weather Service in Northern Indiana  has issued a

* Flash Flood Warning for...
  Northwestern Fulton County in north central Indiana...
  Southeastern Marshall County in north central Indiana...

* Until 100 AM EDT

* At 952 PM EDT, Doppler radar indicated thunderstorms producing
  heavy rain across the warned area. Up to two inches of rain have
  already fallen. Flash flooding is expected to begin shortly.

* Some locations that will experience flooding include...
  Rochester, Bourbon, Argos, Walnut, Tippecanoe, Old Tip Town and
  Tiosa.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Be especially cautious at night when it is harder to recognize the
dangers of flooding.

&&

LAT...LON 4132 8606 4103 8620 4105 8637 4130 8623

$$

SKIP
2 follow-up statements
175 
WGUS73 KIWX 210357
FFSIWX

Flash Flood Statement
National Weather Service Northern Indiana
1157 PM EDT SAT MAY 20 2017

INC049-099-210500-
/O.CON.KIWX.FF.W.0002.000000T0000Z-170521T0500Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Fulton IN-Marshall IN-
1157 PM EDT SAT MAY 20 2017

...THE FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 100 AM EDT FOR
NORTHWESTERN FULTON AND SOUTHEASTERN MARSHALL COUNTIES...

At 1151 PM EDT, gauge reports indicated recent rainfall amounts 
have exceeded 3 inches over portions of the warned area from  
Rochester to Argos to Bourbon. Flash flooding is still possible 
until 1 AM EDT.

Some locations that may still experience flooding include...
Rochester, Bourbon, Argos, Walnut, and Tippecanoe.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Be especially cautious at night when it is harder to recognize the
dangers of flooding.

&&

LAT...LON 4132 8606 4103 8620 4105 8637 4130 8623

$$

SKIP
301 
WGUS73 KIWX 210456
FFSIWX

Flash Flood Statement
National Weather Service Northern Indiana
1256 AM EDT SUN MAY 21 2017

INC049-099-210505-
/O.EXP.KIWX.FF.W.0002.000000T0000Z-170521T0500Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Fulton IN-Marshall IN-
1256 AM EDT SUN MAY 21 2017

...THE FLASH FLOOD WARNING FOR NORTHWESTERN FULTON AND SOUTHEASTERN
MARSHALL COUNTIES WILL EXPIRE AT 100 AM EDT...

The heavy rain has ended. Flash flooding is no longer expected to 
pose a threat, but some ponding of water on roadways and minor 
flooding may persist through the early portions of the overnight 
hours. Please continue to heed any road closures. Do not attempt to 
cross flooded roadways.

LAT...LON 4132 8606 4103 8620 4105 8637 4130 8623

$$

MARSILI

The office that day

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

IssuedProductOfficeCountiesLasted
May 20, 8:38 PM EDTSpecial Weather StatementIWXCass22 min
May 20, 8:48 PM EDTAreal Flood AdvisoryIWXCass, Pulaski, White6 hr
May 20, 9:12 PM EDTSpecial Weather StatementIWXMiami33 min
May 20, 9:35 PM EDTSpecial Weather StatementIWXFulton25 min
May 20, 9:43 PM EDTAreal Flood AdvisoryIWXCass, Elkhart, Fulton, Kosciusko, Marshall, Saint Joseph6 hr
May 20, 9:58 PM EDTSpecial Weather StatementIWXWabash32 min
May 20, 10:00 PM EDTAreal Flood AdvisoryIWXElkhart, LaGrange3 hr
May 20, 10:23 PM EDTFlash Flood WarningIWXElkhart, Kosciusko3 hr
May 20, 10:33 PM EDTAreal Flood AdvisoryIWXGrant, Huntington, Miami, Wabash5 hr
May 20, 10:41 PM EDTSpecial Weather StatementIWXHuntington34 min
May 20, 11:25 PM EDTSpecial Weather StatementIWXHuntington, LaGrange, Noble, Steuben, Whitley65 min
May 21, 2:29 AM EDTRiver Flood WarningIWXCass, Kosciusko, Miami, Wabash, Whitley48 hr
May 21, 4:21 AM EDTRiver Flood WarningIWXCass, Miami, Wabash47 hr
May 21, 6:05 AM EDTRiver Flood WarningIWXNoble21 days
May 21, 8:59 AM EDTRiver Flood WatchIWXCarroll, White24 hr
May 21, 4:01 PM EDTSmall Craft AdvisoryIWX19 hr

Nearby

Flash Flood Warnings in Indiana, 2017Every flash flood warning in 2017

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.