Alert archive / Indiana / Areal Flood Warnings in 2015

Areal Flood Warning 28, NWS Indianapolis, IN

July 2, 2015Knox County, Indiana

NWS Indianapolis, IN issued this areal flood warning at Jul 2, 2015, 1:13 AM EDT for Knox County, Indiana. It was in force for 8 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 2, 2015, 1:13 AM EDT (05:13 UTC)
Expired: Jul 2, 2015, 9:00 AM EDT
In force: 8 hr
Issued by: NWS Indianapolis, IN
Area: Storm-based polygon
Flood severity: None

County Knox County, IN

The radar

The Evansville,IN radar (KVWX), 55 km from the middle of the area, began a volume at 05:16 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, 5.2 hours before the alert went out and 192 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: 65 J/kg
Mixed-layer CIN: -148 J/kg
Mixed-layer LCL: 997 m above ground
0-6 km bulk shear: 37 kt
0-1 km storm-relative helicity: -2 m²/s²
0-3 km storm-relative helicity: 85 m²/s²
Significant tornado parameter: -0.0
Supercell composite: -0.0

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 1, 10:22 PM EDT, 2 hours 51 minutes earlier.

Area forecast discussion, Jul 1, 10:22 PM EDT, 2 hours 51 minutes before

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Hazardous weather outlook, Jul 1, 10:04 PM EDT, 3 hours 9 minutes before

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In the hours before

Special weather statement, Jul 1, 9:26 PM EDT, 3 hours 47 minutes before

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE INDIANAPOLIS IN
926 PM EDT WED JUL 1 2015

INZ067-020215-
KNOX-
926 PM EDT WED JUL 1 2015

...STRONG THUNDERSTORM ADVISORY FOR SOUTHERN KNOX COUNTY UNTIL 1015
PM EDT...

AT 923 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR WAS TRACKING A
STRONG THUNDERSTORM NEAR VINCENNES...MOVING SOUTHEAST AT 20 MPH.

WIND GUSTS UP TO 40 MPH ARE EXPECTED WITH THIS STORM...ALONG WITH
HEAVY RAIN AND FREQUENT DANGEROUS LIGHTNING.

LOCATIONS NEAR THE PATH OF THIS STORM INCLUDE...
  DECKER...
  MONROE CITY...

IF THREATENING WEATHER APPROACHES YOUR AREA...TAKE SHELTER IN A
STURDY BUILDING.

TORRENTIAL RAIN...WHICH MAY FLOOD LOW LYING AREAS SUCH AS DITCHES AND
UNDERPASSES...IS ALSO LIKELY. DO NOT DRIVE YOUR VEHICLE ON A FLOODED
ROADWAY.

&&

LAT...LON 3850 8753 3860 8763 3866 8761 3869 8753
      3877 8751 3859 8726 3858 8724 3854 8723
      3850 8730 3854 8735 3851 8738 3854 8740
      3852 8741 3853 8746 3849 8749
TIME...MOT...LOC 0126Z 318DEG 17KT 3866 8754

RYAN

The office that day

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

Issued	Product	Office	Counties	Lasted
Jul 1, 9:26 PM EDT	Special Weather Statement	IND	Knox	49 min
Jul 1, 10:09 PM EDT	Areal Flood Advisory	IND	Daviess, Knox	3 hr
Jul 1, 10:41 PM EDT	Flash Flood Warning	IND	Knox	3 hr
Jul 2, 12:58 AM EDT	Flash Flood Warning	IND	Daviess, Martin	6 hr
Jul 2, 2:37 AM EDT	Areal Flood Advisory	IND	Greene, Sullivan	5 hr
Jul 2, 6:56 AM EDT	Areal Flood Warning	IND	Daviess, Martin	6 hr

Nearby

Areal Flood Warnings in Indiana, 2015 Every areal flood warning in 2015

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.