Alert archive / Ohio / Flash Flood Warnings in 2012
Flash Flood Warning 18, NWS Wilmington, OH
NWS Wilmington, OH issued this flash flood warning at Jun 17, 2012, 8:33 PM EDT for Clark County, Ohio. 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
- Jun 17, 2012, 8:33 PM EDT (00:33 UTC)
- Expired
- Jun 17, 2012, 11:30 PM EDT
- In force
- 3 hr
- Issued by
- NWS Wilmington, OH
- Area
- Storm-based polygon
- Flood severity
- None
County Clark County, OH
The radar
The Cincinnati radar (KILN), 57 km from the middle of the area, began a volume at 00:33 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 |
|---|---|---|---|
| Jun 17, 10:45 PM EDT | HEAVY RAIN 3.8 | 4 W Springfield, OH | 3.80 INCHES OF RAIN SINCE 545 PM |
Local storm reports filed while the alert was in force, from inside its polygon or its counties.
The nearest sounding before it
Cncnati-Daytn, OH (KILN), launched 00:00Z, 0.6 hours before the alert went out and 56 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
- 929 J/kg
- Mixed-layer CIN
- -18 J/kg
- Mixed-layer LCL
- 953 m above ground
- 0-6 km bulk shear
- 21 kt
- 0-1 km storm-relative helicity
- 89 m²/s²
- 0-3 km storm-relative helicity
- 124 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
566 WGUS51 KILN 180033 FFWILN OHC023-180330- /O.NEW.KILN.FF.W.0018.120618T0033Z-120618T0330Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ BULLETIN - EAS ACTIVATION REQUESTED FLASH FLOOD WARNING NATIONAL WEATHER SERVICE WILMINGTON OH 833 PM EDT SUN JUN 17 2012 THE NATIONAL WEATHER SERVICE IN WILMINGTON HAS ISSUED A * FLASH FLOOD WARNING FOR... WESTERN CLARK COUNTY IN WEST CENTRAL OHIO... * UNTIL 1130 PM EDT. * AT 829 PM EDT...RADAR INDICATED THAT THUNDERSTORMS HAD PRODUCED HEAVY RAINFALL ACROSS THE WARNED AREA. RADAR ESTIMATED UP TO 3 INCHES OF RAIN HAD FALLEN NEAR DONNELSVILLE. * THUNDERSTORMS ARE WEAKENING...BUT ADDITIONAL DEVELOPMENT IS OCCURRING. UP TO ANOTHER 1 INCH OF RAIN IS POSSIBLE THROUGH 1130 PM EDT. RUNOFF FROM THIS EXCESSIVE RAINFALL WILL CAUSE FLASH FLOODING TO OCCUR. FLOODING IS EXPECTED TO OCCUR OVER MAINLY RURAL AREAS OF WESTERN CLARK COUNTY...INCLUDING DONNELSVILLE AND SNYDERVILLE. 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. NEVER DRIVE INTO AREAS WHERE WATER COVERS THE ROAD. ONLY A FEW INCHES OF RAPIDLY FLOWING WATER CAN QUICKLY CARRY AWAY YOUR VEHICLE. FIND AN ALTERNATE ROUTE OR WAIT UNTIL THE WATER RECEDES. && LAT...LON 3996 8385 3989 8385 3986 8402 3997 8397 $$
1 follow-up statement
653 WGUS71 KILN 180200 FFSILN FLASH FLOOD STATEMENT NATIONAL WEATHER SERVICE WILMINGTON OH 1000 PM EDT SUN JUN 17 2012 OHC023-180330- /O.CON.KILN.FF.W.0018.000000T0000Z-120618T0330Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ CLARK OH- 1000 PM EDT SUN JUN 17 2012 ...FLASH FLOOD WARNING CONTINUES FOR WESTERN CLARK COUNTY UNTIL 1130 PM EDT... AT 954 PM EDT...RADAR INDICATED THAT THUNDERSTORMS HAD PRODUCED HEAVY RAINFALL ACROSS THE WARNED AREA. RADAR ESTIMATED THAT UP TO 3.5 INCHES OF RAIN HAD OCCURRED AROUND DONNELSVILLE EARLIER THIS EVENING. THE PERSISTENT STORMS HAVE ENDED. HOWEVER...THERE ARE ADDITIONAL SCATTERED STORMS THAT MAY MOVE BACK OVER THE WARNED AREA. THESE STORMS COULD PRODUCE ANOTHER ONE HALF TO 1 INCH OF RAIN. ANY FURTHER RAINFALL WILL ADD TO THE RUNOFF FROM THE EARLIER STORMS...WHICH WILL CAUSE FLASH FLOODING TO OCCUR. FLOODING IS EXPECTED OVER MAINLY RURAL AREAS OF WESTERN CLARK COUNTY...INCLUDING DONNELSVILLE AND SNYDERVILLE. PRECAUTIONARY/PREPAREDNESS ACTIONS... ACT QUICKLY TO PROTECT YOUR LIFE IF YOU ARE IN A LOW LYING AREA... ALONG A CREEK...STREAM OR IN AN AREA EXPERIENCING FLOODING. MOVE TO HIGHER GROUND IMMEDIATELY. NEVER DRIVE INTO AREAS WHERE WATER COVERS THE ROAD. ONLY A FEW INCHES OF RAPIDLY FLOWING WATER CAN QUICKLY CARRY AWAY YOUR VEHICLE. FIND AN ALTERNATE ROUTE OR WAIT UNTIL THE WATER RECEDES. FLOOD DANGERS ARE HARDER TO RECOGNIZE AT NIGHT. BE ESPECIALLY CAUTIOUS. && LAT...LON 3996 8385 3989 8385 3986 8402 3997 8397 $$
The office that day
Everything else NWS Wilmington, OH issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 17, 8:08 PM EDT | Areal Flood Advisory | ILN | Clark | 3 hr |
| Jun 17, 8:51 PM EDT | Special Weather Statement | ILN | Montgomery | 24 min |
| Jun 17, 9:08 PM EDT | Areal Flood Advisory | ILN | Clark, Madison | 3 hr |
| Jun 17, 10:48 PM EDT | Areal Flood Advisory | ILN | Clark, Darke, Miami | 3 hr |
| Jun 17, 11:22 PM EDT | Flash Flood Warning | ILN | Clark, Miami | 91 min |
Nearby
Flash Flood Warnings in Ohio, 2012Every flash flood warning in 2012
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.