Alert archive / Kentucky / Flash Flood Warnings in 2011
Flash Flood Warning 46, NWS Wilmington, OH
NWS Wilmington, OH issued this flash flood warning at Aug 18, 2011, 11:13 PM EDT for Owen County, Kentucky. It was in force for 2 hr. No storm report in the archive falls inside the area while it was in force.
The area
The outline as issued.
The facts
- Issued
- Aug 18, 2011, 11:13 PM EDT (03:13 UTC)
- Expired
- Aug 19, 2011, 1:28 AM EDT
- In force
- 2 hr
- Issued by
- NWS Wilmington, OH
- Area
- Storm-based polygon
- Flood severity
- None
County Owen County, KY
The radar
The Louisville radar (KLVX), 104 km from the middle of the area, began a volume at 03:13 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
Cncnati-Daytn, OH (KILN), launched 00:00Z, 3.2 hours before the alert went out and 146 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
- 963 J/kg
- Mixed-layer CIN
- -34 J/kg
- Mixed-layer LCL
- 1570 m above ground
- 0-6 km bulk shear
- 24 kt
- 0-1 km storm-relative helicity
- 48 m²/s²
- 0-3 km storm-relative helicity
- 60 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 1.5
The text
As transmitted, in the capitals the NWS used until 2016.
985
WGUS51 KILN 190313
FFWILN
KYC187-190615-
/O.NEW.KILN.FF.W.0046.110819T0313Z-110819T0615Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE WILMINGTON OH
1113 PM EDT THU AUG 18 2011
THE NATIONAL WEATHER SERVICE IN WILMINGTON HAS ISSUED A
* FLASH FLOOD WARNING FOR...
SOUTHWESTERN OWEN COUNTY IN NORTHERN KENTUCKY...
* UNTIL 215 AM EDT.
* AT 1110 PM EDT...RADAR INDICATED THAT THUNDERSTORMS HAD PRODUCED
HEAVY RAINFALL ACROSS THE WARNED AREA. RADAR ESTIMATED AS MUCH AS
4 INCHES OF RAIN HAS FALLEN NEAR THE KENTUCKY RIVER IN OWEN COUNTY
TONIGHT.
* HEAVY RAIN CONTINUES TO FALL ACROSS THE WARNED AREA WITH ANOTHER
1 TO 2 INCHES POSSIBLE THROUGH 215 AM EDT. RUNOFF FROM THIS
EXCESSIVE RAINFALL WILL CAUSE FLASH FLOODING TO OCCUR.
FLOODING IS EXPECTED TO OCCUR OVER MAINLY RURAL AREAS OF SOUTHWESTERN
OWEN COUNTY...INCLUDING GRATZ...MONTEREY AND SQUIRESVILLE.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
ACT QUICKLY TO PROTECT YOUR LIFE IF YOU ARE IN A LOW LYING AREA...
ALONG A CREEK...STREAM OR IN AN AREA EXPERIENCING FLOODING. MOVE TO
HIGHER GROUND IMMEDIATELY.
FLOOD DANGERS ARE HARDER TO RECOGNIZE AT NIGHT. BE ESPECIALLY
CAUTIOUS.
&&
LAT...LON 3837 8490 3839 8490 3842 8489 3846 8492
3843 8495 3847 8496 3849 8500 3851 8499
3851 8503 3856 8501 3860 8502 3857 8488
3836 8472 3833 8479
$$1 follow-up statement
247
WGUS71 KILN 190528
FFSILN
FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE WILMINGTON OH
128 AM EDT FRI AUG 19 2011
KYC187-190537-
/O.CAN.KILN.FF.W.0046.000000T0000Z-110819T0615Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
OWEN KY-
128 AM EDT FRI AUG 19 2011
...THE FLASH FLOOD WARNING THAT WAS IN EFFECT FOR SOUTHWESTERN OWEN
COUNTY HAS BEEN CANCELLED...
THE HEAVY RAINFALL THAT HAD PROMPTED THE FLASH FLOOD WARNING HAS
DIMINISHED AND PUSHED OUT OF THE AREA OVER THE PAST HOUR. ALTHOUGH
STREAMS WILL CONTINUE TO RECEDE...THERE STILL MAY BE LINGERING HIGH
WATER IN WESTERN OWEN COUNTY.
LAT...LON 3837 8490 3839 8490 3842 8489 3846 8492
3843 8495 3847 8496 3849 8500 3851 8499
3851 8503 3856 8501 3860 8502 3857 8488
3836 8472 3833 8479
$$The office that day
Everything else NWS Wilmington, OH issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 18, 8:02 PM EDT | Special Weather Statement | ILN | Owen | 58 min |
| Aug 18, 9:55 PM EDT | Areal Flood Advisory | ILN | Owen | 2 hr |
| Aug 18, 10:11 PM EDT | Special Weather Statement | ILN | Owen | 64 min |
| Aug 18, 11:39 PM EDT | Special Weather Statement | ILN | Bracken, Robertson | 36 min |
| Aug 18, 11:47 PM EDT | Special Weather Statement | ILN | Boone, Kenton | 43 min |
| Aug 19, 12:01 AM EDT | Special Weather Statement | ILN | Bracken | 44 min |
Nearby
Flash Flood Warnings in Kentucky, 2011Every flash flood warning in 2011
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.