Alert archive / Indiana / Areal Flood Warnings in 2017

Areal Flood Warning 72, NWS Indianapolis, IN

July 22, 2017Clinton County, Hamilton County, Tipton County, Indiana

NWS Indianapolis, IN issued this areal flood warning at Jul 22, 2017, 5:37 AM EDT for Clinton County, Hamilton County, Tipton County, Indiana. 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 counties it named.

The facts

Issued
Jul 22, 2017, 5:37 AM EDT (09:37 UTC)
Expired
Jul 22, 2017, 8:30 AM EDT
In force
3 hr
Issued by
NWS Indianapolis, IN
Area
Storm-based polygon
Flood severity
None

Counties Clinton County, IN, Hamilton County, IN, Tipton County, IN

The radar

The Indianapolis radar (KIND), 58 km from the middle of the area, began a volume at 09:37 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

Lincoln, IL (KILX), launched 00:00Z, 9.6 hours before the alert went out and 205 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 2017-07-22Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 2094 joules per kilogram.LCLEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Lincoln, IL at 00:00Z on 2017-07-22The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 57 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
2094 J/kg
Mixed-layer CIN
-2 J/kg
Mixed-layer LCL
1572 m above ground
0-6 km bulk shear
25 kt
0-1 km storm-relative helicity
57 m²/s²
0-3 km storm-relative helicity
136 m²/s²
Significant tornado parameter
0.2
Supercell composite
6.5

Open this sounding in Storm Lab

What forecasters said that day

The local office's own words before this areal flood warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

NWS Indianapolis, IN wrote its last area forecast discussion before this areal flood warning went out at Jul 22, 3:38 AM EDT, 1 hour 59 minutes earlier.

Area forecast discussion, Jul 22, 3:38 AM EDT, 1 hour 59 minutes before
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Hazardous weather outlook, Jul 22, 5:18 AM EDT, 19 minutes before
Hazardous Weather Outlook
National Weather Service Indianapolis IN
518 AM EDT Sat Jul 22 2017

INZ021-028>031-035>049-054>057-063>065-231000-
Carroll-Warren-Tippecanoe-Clinton-Howard-Fountain-Montgomery-Boone-
Tipton-Hamilton-Madison-Delaware-Randolph-Vermillion-Parke-Putnam-
Hendricks-Marion-Hancock-Henry-Morgan-Johnson-Shelby-Rush-Brown-
Bartholomew-Decatur-
Including the cities of Lafayette, Frankfort, Kokomo,
Crawfordsville, Anderson, Muncie, Indianapolis, Shelbyville,
and Columbus
518 AM EDT Sat Jul 22 2017

This hazardous weather outlook is for central Indiana.

.DAY ONE...Today and Tonight.

Outlook: There is a threat for severe thunderstorms...especially
late this afternoon into tonight.

Hazards: Damaging winds, heavy rain and localized flooding, isolated
tornadoes, large hail, and dangerous lightning. High heat indices
over 100 degrees.

Timing: Best chances for severe storms are expected from late
afternoon into tonight. Storms northand east of the Indianapolis
metro area early this morning will be capable of gusty winds...
torrential rain and flooding. The highest heat indices will occur
this afternoon and into the early evening.

Discussion: Thunderstorms will impact northeast portions of central
Indiana early this morning. Additional thunderstorms are expected to
develop late this afternoon and tonight ahead of a cold front. Hot
and humid conditions are expected yet again today.

.DAYS TWO THROUGH SEVEN...Sunday through Friday.

Outlook: Scattered thunderstorms are possible late Sunday afternoon
and Sunday evening. A few of these storms could be severe. Damaging
winds and large hail, along with heavy rainfall producing flash
flooding, are the primary threats. Thunderstorms will also be
possible on Thursday.

Discussion: A secondary frontal boundary will bring the chance for
thunderstorms late Sunday afternoon and evening. The next chance for
thunderstorms will come on Thursday ahead of a cold front dropping
south from the Great Lakes.

.SPOTTER INFORMATION STATEMENT...

Spotter activation is possible through tonight.

&&

More information, along with other weather, hydrological and climate
information can be found at http://weather.gov/ind

INZ051>053-060>062-067>072-231000-
Vigo-Clay-Owen-Sullivan-Greene-Monroe-Knox-Daviess-Martin-Lawrence-
Jackson-Jennings-
Including the cities of Terre Haute, Bloomington, Vincennes,
Bedford, and Seymour
518 AM EDT Sat Jul 22 2017

This hazardous weather outlook is for central Indiana.

.DAY ONE...Today and Tonight.

Outlook: There is a threat for severe storms...especially this
evening into the overnight. Hot conditions expected this afternoon.
A heat advisory is in effect until 7 pm.

Hazards: Damaging winds, heavy rain and localized flooding,
lightning, heat and heat related illnesses with heat indices of 105
to 108 degrees.

Timing: Best chances for severe storms are expected primarily this
evening into tonight. The highest heat indices will occur this
afternoon and into the early evening.

Discussion: Thunderstorms will impact northeast portions of central
Indiana early this morning. Additional thunderstorms are expected to
develop late this afternoon and tonight ahead of a cold front. Hot
and humid conditions are expected yet again today.

.DAYS TWO THROUGH SEVEN...Sunday through Friday.

Outlook: Thunderstorms will be possible on Thursday.

Discussion: The next chance for thunderstorms will come on Thursday
ahead of a cold front dropping south from the Great Lakes.

.SPOTTER INFORMATION STATEMENT...

Spotter activation is possible through tonight.

&&

More information, along with other weather, hydrological and climate
information can be found at http://weather.gov/ind

Ryan

In the hours before

Local storm report, Jul 22, 12:43 AM EDT, 4 hours 54 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE INDIANAPOLIS IN
1243 AM EDT SAT JUL 22 2017

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

1214 AM     TSTM WND DMG     EDGEWOOD                40.11N 85.74W
07/22/2017                   MADISON            IN   PUBLIC

            POWER POLES DOWNED IN EDGEWOOD. REPORTED VIA
            TWITTER.

&&
Special weather statement, Jul 22, 12:45 AM EDT, 4 hours 52 minutes before
Special Weather Statement
National Weather Service Indianapolis IN
1245 AM EDT SAT JUL 22 2017

INZ040-041-220530-
Madison IN-Delaware IN-
1245 AM EDT SAT JUL 22 2017

...SIGNIFICANT WEATHER ADVISORY FOR EAST CENTRAL MADISON AND NORTHERN
DELAWARE COUNTIES UNTIL 130 AM EDT...

At 1245 AM EDT, Doppler radar was tracking a strong thunderstorm 7
miles east of Alexandria, or 8 miles northwest of Muncie, moving
northeast at 25 mph.

Wind gusts up to 50 mph will be possible with this storm.

Locations impacted include...
Muncie, Albany, Eaton and Gaston.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Torrential rainfall is also occurring with this storm, and may lead
to localized flooding. Do not drive your vehicle through flooded
roadways.

Frequent cloud to ground lightning is occurring with this storm.
Lightning can strike 10 miles away from a thunderstorm. Seek a safe
shelter inside a building or vehicle.

&&

LAT...LON 4017 8555 4026 8566 4038 8554 4038 8522
      4030 8522
TIME...MOT...LOC 0445Z 228DEG 21KT 4025 8554

NIELD
Local storm report, Jul 22, 3:11 AM EDT, 2 hours 26 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE INDIANAPOLIS IN
311 AM EDT SAT JUL 22 2017

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

0230 AM     TSTM WND DMG     LAFAYETTE               40.41N 86.87W
07/22/2017                   TIPPECANOE         IN   LAW ENFORCEMENT

            NUMEROUS TREES DOWN IN MULTIPLE PORTIONS OF
            THE COUNTY PER TIPPECANOE COUNTY SHERIFF.

&&
Local storm report, Jul 22, 3:19 AM EDT, 2 hours 18 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE INDIANAPOLIS IN
319 AM EDT SAT JUL 22 2017

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

0318 AM     TSTM WND GST     THORNTOWN               40.13N 86.61W
07/22/2017  E60 MPH          BOONE              IN   TRAINED SPOTTER

            REPORTED VIA TWITTER.

&&
Special weather statement, Jul 22, 3:44 AM EDT, 1 hour 53 minutes before
Special Weather Statement
National Weather Service Indianapolis IN
344 AM EDT SAT JUL 22 2017

INZ037-039-040-046>048-220900-
Hendricks IN-Madison IN-Boone IN-Hancock IN-Hamilton IN-Marion IN-
344 AM EDT SAT JUL 22 2017

...SIGNIFICANT WEATHER ADVISORY FOR SOUTHERN MADISON...HANCOCK...
NORTHEASTERN HENDRICKS...MARION...EASTERN BOONE AND HAMILTON COUNTIES
UNTIL 500 AM EDT...

At 344 AM EDT, Doppler radar was tracking a strong thunderstorm 7
miles east of Lebanon, or 18 miles southeast of Frankfort, moving
southeast at 35 mph.

Wind gusts up to 50 mph will be possible with this storm.

Locations impacted include...
Indianapolis, Anderson, Carmel, Fishers, Noblesville, Lawrence,
Brownsburg, Greenfield, Lebanon, Beech Grove, Zionsville, Speedway,
Southport, Westfield, Cumberland, McCordsville, Pendleton, Fortville,
Whitestown and Sheridan.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Torrential rainfall is also occurring with this storm, and may lead
to localized flooding. Do not drive your vehicle through flooded
roadways.

Frequent cloud to ground lightning is occurring with this storm.
Lightning can strike 10 miles away from a thunderstorm. Seek a safe
shelter inside a building or vehicle.

&&

A severe thunderstorm watch remains in effect until 700 AM EDT for
central Indiana.

LAT...LON 4001 8558 3999 8558 3971 8566 3970 8577
      3970 8595 3968 8595 3966 8614 3997 8652
      4017 8636
TIME...MOT...LOC 0744Z 293DEG 31KT 4005 8634

NIELD
Local storm report, Jul 22, 5:08 AM EDT, 29 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE INDIANAPOLIS IN
508 AM EDT SAT JUL 22 2017

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

0435 AM     TSTM WND DMG     3 E MUNCIE              40.20N 85.33W
07/22/2017                   DELAWARE           IN   AMATEUR RADIO

            TREES AND POWER LINES DOWNED IN SEVERAL
            LOCATIONS.

&&

MDR

The office that day

Everything else NWS Indianapolis, IN issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Jul 22, 12:45 AM EDTSpecial Weather StatementINDDelaware45 min
Jul 22, 1:57 AM EDTSevere Thunderstorm WarningINDCarroll, Clinton, Fountain, Montgomery, Tippecanoe, Warren48 min
Jul 22, 2:45 AM EDTSevere Thunderstorm WarningINDBoone, Carroll, Clinton, Fountain, Howard, Montgomery and 2 more60 min
Jul 22, 3:44 AM EDTSpecial Weather StatementINDHamilton, Hancock, Marion76 min
Jul 22, 4:29 AM EDTSevere Thunderstorm WarningINDDelaware, Henry, Randolph46 min
Jul 22, 4:40 AM EDTAreal Flood WarningINDClinton, Tippecanoe3 hr
Jul 22, 8:14 AM EDTRiver Flood WarningINDTippecanoe32 hr
Jul 22, 11:04 AM EDTRiver Flood WarningINDClinton, Tippecanoe20 hr
Jul 22, 11:04 AM EDTRiver Flood WarningINDFountain, Parke, Tippecanoe, Vermillion, Warren4 days
Jul 22, 11:04 AM EDTRiver Flood WarningINDFountain, Parke, Vermillion, Warren5 days
Jul 22, 11:04 AM EDTRiver Flood WarningINDParke, Vermillion, Vigo6 days
Jul 22, 11:04 AM EDTRiver Flood WarningINDSullivan, Vigo6 days
Jul 22, 7:33 PM EDTSpecial Weather StatementINDVigo27 min

Nearby

Areal Flood Warnings in Indiana, 2017Every areal 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.