Alert archive / Ohio / Flash Flood Warnings in 2011
Flash Flood Warning 35, NWS Charleston, WV
NWS Charleston, WV issued this flash flood warning at Jul 11, 2011, 11:04 PM EDT for Athens County, Washington 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
- Jul 11, 2011, 11:04 PM EDT (03:04 UTC)
- Expired
- Jul 12, 2011, 2:00 AM EDT
- In force
- 3 hr
- Issued by
- NWS Charleston, WV
- Area
- Storm-based polygon
- Flood severity
- None
Counties Athens County, OH, Washington County, OH
The radar
The Charleston,WV radar (KRLX), 125 km from the middle of the area, began a volume at 03:08 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 |
|---|---|---|---|
| Jul 11, 11:35 PM EDT | FLASH FLOOD | Athens, OH | FOOT OF WATER OVER ROAD IN THE PLAINS. HIGH WATER AROUND JACKSONVILLE. |
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, 3.1 hours before the alert went out and 148 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
- 4907 J/kg
- Mixed-layer CIN
- -61 J/kg
- Mixed-layer LCL
- 987 m above ground
- 0-6 km bulk shear
- 34 kt
- 0-1 km storm-relative helicity
- 202 m²/s²
- 0-3 km storm-relative helicity
- 267 m²/s²
- Significant tornado parameter
- 5.9
- Supercell composite
- 33.6
The text
As transmitted, in the capitals the NWS used until 2016.
550
WGUS51 KRLX 120304
FFWRLX
OHC009-167-120600-
/O.NEW.KRLX.FF.W.0035.110712T0304Z-110712T0600Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE CHARLESTON WV
1104 PM EDT MON JUL 11 2011
THE NATIONAL WEATHER SERVICE IN CHARLESTON HAS ISSUED A
* FLASH FLOOD WARNING FOR...
ATHENS COUNTY IN SOUTHEAST OHIO...
THIS INCLUDES THE CITIES OF...NELSONVILLE...COOLVILLE...ATHENS...
SOUTHWESTERN WASHINGTON COUNTY IN SOUTHEAST OHIO...
* UNTIL 200 AM EDT
* AT 1058 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
VERY HEAVY RAINS FROM THUNDERSTORMS OVER THE WARNED AREA...CAPABLE
OF PRODUCING FLASH FLOODING.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
EXCESSIVE RUNOFF FROM HEAVY RAINFALL WILL CAUSE FLOODING OF SMALL
CREEKS AND STREAMS...HIGHWAYS AND UNDERPASSES. ADDITIONALLY...COUNTRY
ROADS AND FARMLANDS ALONG THE BANKS OF CREEKS...STREAMS AND OTHER LOW
LYING AREAS ARE SUBJECT TO FLOODING.
DO NOT DRIVE YOUR VEHICLE INTO AREAS WHERE THE WATER COVERS THE
ROADWAY. THE WATER DEPTH MAY BE TOO GREAT TO ALLOW YOUR CAR TO CROSS
SAFELY. MOVE TO HIGHER GROUND.
A FLASH FLOOD WARNING MEANS THAT FLOODING IS IMMINENT OR OCCURRING.
IF YOU ARE IN THE WARNING AREA MOVE TO HIGHER GROUND IMMEDIATELY.
RESIDENTS LIVING ALONG STREAMS AND CREEKS SHOULD TAKE IMMEDIATE
PRECAUTIONS TO PROTECT LIFE AND PROPERTY. DO NOT ATTEMPT TO CROSS
SWIFTLY FLOWING WATERS OR WATERS OF UNKNOWN DEPTH BY FOOT OR BY
AUTOMOBILE.
&&
PLEASE REPORT HIGH WATER TO THE NATIONAL WEATHER SERVICE BY CALLING
TOLL FREE...877-633-6772...WHEN YOU CAN DO SO SAFELY.
LAT...LON 3948 8218 3940 8158 3920 8174 3932 8229
3945 8229 3948 8228
$$
052 follow-up statements
841
WGUS71 KRLX 120437
FFSRLX
FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE CHARLESTON WV
1237 AM EDT TUE JUL 12 2011
OHC009-167-120600-
/O.CON.KRLX.FF.W.0035.000000T0000Z-110712T0600Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
ATHENS OH-WASHINGTON OH-
1237 AM EDT TUE JUL 12 2011
...A FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 200 AM EDT FOR
SOUTHWESTERN WASHINGTON AND ATHENS COUNTIES...
AT 1227 AM EDT...ALTHOUGH THUNDERSTORMS THAT PRODUCED VERY HEAVY
RAIN HAVE SHIFTED EAST OF THE WARNED AREA...AN AREA OF LIGHT TO
MODERATE RAIN WILL LIKELY PERSIST THROUGH 1 AM. SOME FLOODING HAS
BEEN REPORTED AROUND JACKSONVILLE AND THE PLAINS IN ATHENS
COUNTY...WITH A FOOT OF WATER OVER A ROAD IN THE PLAINS. THUS...THE
WARNING WILL CONTINUE THROUGH 2 AM.
LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO NELSONVILLE
PRECAUTIONARY/PREPAREDNESS ACTIONS...
EXCESSIVE RUNOFF FROM HEAVY RAINFALL WILL CAUSE FLOODING OF SMALL
CREEKS AND STREAMS...HIGHWAYS AND UNDERPASSES. ADDITIONALLY...COUNTRY
ROADS AND FARMLANDS ALONG THE BANKS OF CREEKS...STREAMS AND OTHER LOW
LYING AREAS ARE SUBJECT TO FLOODING.
DO NOT DRIVE YOUR VEHICLE INTO AREAS WHERE THE WATER COVERS THE
ROADWAY. THE WATER DEPTH MAY BE TOO GREAT TO ALLOW YOUR CAR TO CROSS
SAFELY. MOVE TO HIGHER GROUND.
A FLASH FLOOD WARNING MEANS THAT FLOODING IS IMMINENT OR OCCURRING.
IF YOU ARE IN THE WARNING AREA MOVE TO HIGHER GROUND IMMEDIATELY.
RESIDENTS LIVING ALONG STREAMS AND CREEKS SHOULD TAKE IMMEDIATE
PRECAUTIONS TO PROTECT LIFE AND PROPERTY. DO NOT ATTEMPT TO CROSS
SWIFTLY FLOWING WATERS OR WATERS OF UNKNOWN DEPTH BY FOOT OR BY
AUTOMOBILE.
PLEASE REPORT HIGH WATER TO THE NATIONAL WEATHER SERVICE BY CALLING
TOLL FREE 877-633-6772 WHEN YOU CAN DO SO SAFELY.
&&
LAT...LON 3948 8218 3940 8158 3920 8174 3932 8229
3945 8229 3948 8228
$$
05322
WGUS71 KRLX 120556
FFSRLX
FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE CHARLESTON WV
156 AM EDT TUE JUL 12 2011
OHC009-167-120606-
/O.EXP.KRLX.FF.W.0035.000000T0000Z-110712T0600Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
ATHENS OH-WASHINGTON OH-
156 AM EDT TUE JUL 12 2011
...THE FLASH FLOOD WARNING WILL EXPIRE AT 200 AM EDT FOR SOUTHWESTERN
WASHINGTON AND ATHENS COUNTIES...
HEAVY RAIN IS NO LONGER ANTICIPATED...THEREFORE THE FLASH FLOOD
WARNING THAT WAS IN EFFECT HAS BEEN ALLOWED TO EXPIRE. STREAMS AND
CREEKS HAVE BEGUN TO RECEDE AND NO LONGER POSE A FLASH FLOOD THREAT.
TURN AROUND DON'T DROWN. DO NOT DRIVE YOUR CAR ON FLOODED ROADWAYS.
PLEASE REPORT HIGH WATER TO THE NATIONAL WEATHER SERVICE BY CALLING
TOLL FREE 877-633-6772 WHEN YOU CAN DO SO SAFELY.
LAT...LON 3948 8218 3940 8158 3920 8174 3932 8229
3945 8229 3948 8228
$$
13The office that day
Everything else NWS Charleston, WV issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 11, 9:16 PM EDT | Severe Thunderstorm Warning | RLX | Morgan, Perry | 59 min |
| Jul 11, 9:40 PM EDT | Special Weather Statement | RLX | Perry | 50 min |
| Jul 11, 9:54 PM EDT | Severe Thunderstorm Warning | RLX | Athens, Perry | 36 min |
| Jul 11, 10:25 PM EDT | Special Weather Statement | RLX | Athens, Morgan | 35 min |
| Jul 11, 10:57 PM EDT | Special Weather Statement | RLX | Athens, Meigs, Morgan, Vinton, Washington | 48 min |
| Jul 11, 11:02 PM EDT | Special Weather Statement | RLX | Gallia, Jackson, Lawrence | 28 min |
| Jul 11, 11:31 PM EDT | Special Weather Statement | RLX | Gallia, Lawrence | 74 min |
| Jul 12, 4:13 AM EDT | Heat Advisory | RLX | Gallia, Jackson, Lawrence | 14 hr |
Nearby
Flash Flood Warnings in Ohio, 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.