Alert archive / Indiana / Flash Flood Warnings in 2018
Flash Flood Warning 19, NWS Indianapolis, IN
NWS Indianapolis, IN issued this flash flood warning at Sep 7, 2018, 2:33 PM EDT for Martin 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
- Sep 7, 2018, 2:33 PM EDT (18:33 UTC)
- Expired
- Sep 7, 2018, 5:30 PM EDT
- In force
- 3 hr
- Issued by
- NWS Indianapolis, IN
- Area
- Storm-based polygon
- Flood severity
- None
County Martin County, IN
The radar
The Evansville,IN radar (KVWX), 88 km from the middle of the area, began a volume at 18:33 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 |
|---|---|---|---|
| Sep 7, 3:45 PM EDT | FLASH FLOOD | 2 Ese Lacy, IN | SEVERAL SMALL ROADS WITH WATER FLOWING OVER THEM IN AND AROUND THE CITY OF LACY. |
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 12:00Z, 6.6 hours before the alert went out and 228 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.
- Mixed-layer CAPE
- 21 J/kg
- Mixed-layer CIN
- -103 J/kg
- Mixed-layer LCL
- 672 m above ground
- 0-6 km bulk shear
- 24 kt
- 0-1 km storm-relative helicity
- 147 m²/s²
- 0-3 km storm-relative helicity
- 165 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.1
The text
As transmitted.
077
WGUS53 KIND 071833
FFWIND
INC101-072130-
/O.NEW.KIND.FF.W.0019.180907T1833Z-180907T2130Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BULLETIN - EAS ACTIVATION REQUESTED
Flash Flood Warning
National Weather Service Indianapolis IN
233 PM EDT FRI SEP 7 2018
The National Weather Service in Indianapolis has issued a
* Flash Flood Warning for...
Southern Martin County in southwestern Indiana...
* Until 530 PM EDT.
* At 233 PM EDT, Doppler radar indicated a slow moving thunderstorm
producing heavy rain across the warned area. Flash flooding is
expected to begin shortly if it has not already begun.
* Some locations that will experience flooding include...
Shoals, Loogootee and Lacy.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Turn around, don't drown when encountering flooded roads. Most flood
deaths occur in vehicles.
&&
LAT...LON 3875 8692 3875 8668 3853 8668 3853 8683
3852 8684 3852 8692
$$
KH/MR2 follow-up statements
492
WGUS73 KIND 072036
FFSIND
Flash Flood Statement
National Weather Service Indianapolis IN
436 PM EDT FRI SEP 7 2018
INC101-072130-
/O.CON.KIND.FF.W.0019.000000T0000Z-180907T2130Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Martin IN-
436 PM EDT FRI SEP 7 2018
...THE FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 530 PM EDT FOR
SOUTHERN MARTIN COUNTY...
At 435 PM EDT, Doppler radar indicated slow moving thunderstorms
dropping very heavy rain fell across the warned area. Rain has
ended, but the flood threat will continue for at least another hour.
Some locations that will experience flooding include...
Shoals, Loogootee and Lacy.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Turn around, don't drown when encountering flooded roads. Most flood
deaths occur in vehicles.
&&
LAT...LON 3875 8692 3875 8668 3853 8668 3853 8683
3852 8684 3852 8692
$$
AW/50789
WGUS73 KIND 072131
FFSIND
Flash Flood Statement
National Weather Service Indianapolis IN
531 PM EDT FRI SEP 7 2018
INC101-072141-
/O.EXP.KIND.FF.W.0019.000000T0000Z-180907T2130Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Martin IN-
531 PM EDT FRI SEP 7 2018
...THE FLASH FLOOD WARNING FOR SOUTHERN MARTIN COUNTY HAS EXPIRED...
The heavy rain has ended. Flooding is no longer expected to pose a
threat. Please continue to heed any remaining road closures.
LAT...LON 3875 8692 3875 8668 3853 8668 3853 8683
3852 8684 3852 8692
$$
AW/50The office that day
Everything else NWS Indianapolis, IN issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Sep 7, 10:16 AM EDT | Areal Flood Advisory | IND | Carroll, Clinton, Howard, Tippecanoe | 3 hr |
| Sep 7, 11:27 AM EDT | Areal Flood Advisory | IND | Parke, Vermillion | 4 hr |
| Sep 7, 11:36 AM EDT | Areal Flood Advisory | IND | Delaware | 4 hr |
| Sep 7, 11:56 AM EDT | Flash Flood Warning | IND | Delaware, Randolph | 3 hr |
| Sep 7, 1:10 PM EDT | Flash Flood Warning | IND | Randolph | 3 hr |
| Sep 7, 1:19 PM EDT | Areal Flood Advisory | IND | Boone, Montgomery | 3 hr |
| Sep 7, 3:17 PM EDT | Areal Flood Advisory | IND | Marion | 3 hr |
| Sep 7, 3:31 PM EDT | Areal Flood Warning | IND | Daviess, Greene, Martin | 3 hr |
| Sep 7, 4:16 PM EDT | Areal Flood Warning | IND | Randolph | 3 hr |
| Sep 7, 4:53 PM EDT | Areal Flood Warning | IND | Jackson | 3 hr |
| Sep 7, 6:08 PM EDT | Areal Flood Warning | IND | Jennings | 3 hr |
Nearby
Flash Flood Warnings in Indiana, 2018Every flash flood warning in 2018
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.