Alert archive / Ohio / Areal Flood Warnings in 2012
Areal Flood Warning 7, NWS Wilmington, OH
NWS Wilmington, OH issued this areal flood warning at May 2, 2012, 2:25 AM EDT for Hamilton County, Ohio. It was in force for 9 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
- May 2, 2012, 2:25 AM EDT (06:25 UTC)
- Expired
- May 2, 2012, 11:15 AM EDT
- In force
- 9 hr
- Issued by
- NWS Wilmington, OH
- Area
- Storm-based polygon
- Flood severity
- None
County Hamilton County, OH
The radar
The Cincinnati radar (KILN), 67 km from the middle of the area, began a volume at 06:27 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, 6.4 hours before the alert went out and 363 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
- 579 J/kg
- Mixed-layer CIN
- -49 J/kg
- Mixed-layer LCL
- 1059 m above ground
- 0-6 km bulk shear
- 32 kt
- 0-1 km storm-relative helicity
- 166 m²/s²
- 0-3 km storm-relative helicity
- 237 m²/s²
- Significant tornado parameter
- 0.3
- Supercell composite
- 4.0
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 Wilmington, OH wrote its last area forecast discussion before this areal flood warning went out at May 1, 11:34 PM EDT, 2 hours 51 minutes earlier.
Area forecast discussion, May 1, 11:34 PM EDT, 2 hours 51 minutes before
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</html>Hazardous weather outlook, May 1, 11:15 PM EDT, 3 hours 10 minutes before
HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE WILMINGTON OH 1115 PM EDT TUE MAY 1 2012 INZ050-058-059-066-073>075-080-KYZ089>100-OHZ026-034-035-042>046- 051>056-060>065-070>074-077>082-088-030315- WAYNE-FAYETTE IN-UNION IN-FRANKLIN IN-RIPLEY-DEARBORN-OHIO- SWITZERLAND-CARROLL-GALLATIN-BOONE-KENTON-CAMPBELL-OWEN-GRANT- PENDLETON-BRACKEN-ROBERTSON-MASON-LEWIS-HARDIN-MERCER-AUGLAIZE-DARKE- SHELBY-LOGAN-UNION OH-DELAWARE-MIAMI-CHAMPAIGN-CLARK-MADISON- FRANKLIN OH-LICKING-PREBLE-MONTGOMERY-GREENE-FAYETTE OH-PICKAWAY- FAIRFIELD-BUTLER-WARREN-CLINTON-ROSS-HOCKING-HAMILTON-CLERMONT-BROWN- HIGHLAND-ADAMS-PIKE-SCIOTO- 1115 PM EDT TUE MAY 1 2012 THIS HAZARDOUS WEATHER OUTLOOK IS FOR EAST CENTRAL INDIANA...SOUTHEAST INDIANA...NORTHEAST KENTUCKY...NORTHERN KENTUCKY...CENTRAL OHIO...MIAMI VALLEY OF OHIO...SOUTH CENTRAL OHIO...SOUTHWEST OHIO AND WEST CENTRAL OHIO. .DAY ONE...TONIGHT. THUNDERSTORMS WILL CONTINUE TO TRACK ACROSS THE AREA FROM WEST TO EAST TONIGHT. THESE STORMS WILL CONTAIN HEAVY RAIN WHICH MAY LEAD TO FLOODING. ALONG WITH THE FLOOD THREAT...GUSTY WINDS AND SMALL HAIL WILL ALSO BE POSSIBLE. .DAYS TWO THROUGH SEVEN...WEDNESDAY THROUGH MONDAY. SEVERAL ROUNDS OF HEAVY SHOWERS AND THUNDERSTORMS WEDNESDAY THROUGH SATURDAY MAY RESULT IN A FLASH FLOOD THREAT. IF CONDITIONS INDICATE EXCESSIVE RAIN POTENTIAL ON ACCOUNT OF REPEATED HEAVY THUNDERSTORMS...A FLASH FLOOD WATCH MAY BE NECESSARY FOR THE MOST VULNERABLE COUNTIES. .SPOTTER INFORMATION STATEMENT... SPOTTER ACTIVATION IS NOT EXPECTED AT THIS TIME.
In the hours before
Special weather statement, May 2, 12:17 AM EDT, 2 hours 8 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE WILMINGTON OH
1217 AM EDT WED MAY 2 2012
OHZ080>082-020445-
ADAMS OH-PIKE OH-HIGHLAND OH-
1217 AM EDT WED MAY 2 2012
...A STRONG THUNDERSTORM WILL AFFECT SOUTHEASTERN HIGHLAND...WESTERN
PIKE AND NORTHEASTERN ADAMS COUNTIES THROUGH 1245 AM EDT...
AT 1216 AM EDT...RADAR INDICATED A STRONG THUNDERSTORM NEAR
BERRYSVILLE...MOVING EAST AT 35 MPH.
WIND GUSTS TO 40 MPH AND PEA SIZE HAIL ARE POSSIBLE WITH THIS STORM.
SOME LOCATIONS THAT MAY BE AFFECTED INCLUDE...MARSHALL...CYNTHIANA...
KINCAID SPRINGS AND PIKE LAKE.
ALSO...SINKING SPRING...SMOKY CORNERS...POPLAR GROVE...ELM GROVE...
IDAHO AND BUCHANAN ARE NEAR THE PATH OF THIS STRONG THUNDERSTORM.
LAT...LON 3899 8306 3902 8326 3900 8338 3903 8356
3908 8362 3914 8361 3921 8349 3918 8302
HATZOSLocal storm report, May 2, 12:23 AM EDT, 2 hours 2 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE WILMINGTON OH
1223 AM EDT WED MAY 02 2012
..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..
1210 AM HEAVY RAIN GLENDALE 39.27N 84.46W
05/02/2012 M3.57 INCH HAMILTON OH BROADCAST MEDIA
STORM TOTAL FROM MAY 1 THROUGH MAY 2.
&&
SFHSpecial weather statement, May 2, 12:40 AM EDT, 1 hour 45 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE WILMINGTON OH 1240 AM EDT WED MAY 2 2012 OHZ071-072-077>079-020515- BROWN OH-CLINTON OH-HAMILTON OH-WARREN OH-CLERMONT OH- 1240 AM EDT WED MAY 2 2012 ...A STRONG THUNDERSTORM WILL AFFECT NORTHERN CLERMONT...SOUTHERN WARREN...NORTHEASTERN HAMILTON...SOUTHWESTERN CLINTON AND NORTHERN BROWN COUNTIES THROUGH 115 AM EDT... AT 1239 AM EDT...RADAR INDICATED A STRONG THUNDERSTORM NEAR MIAMIVILLE...MOVING EAST AT 40 MPH. WIND GUSTS TO 50 MPH AND ONE HALF INCH DIAMETER HAIL ARE POSSIBLE WITH THIS STORM. SOME LOCATIONS THAT MAY BE AFFECTED INCLUDE...MILFORD...LOVELAND... BLANCHESTER...FAYETTEVILLE AND ST. MARTIN. ALSO...LANDEN...LOVELAND PARK...MULBERRY...DAY HEIGHTS...MOUNT REPOSE...MAINEVILLE...MURDOCK AND SPRINGVALE ARE NEAR THE PATH OF THIS STRONG THUNDERSTORM. LAT...LON 3935 8387 3910 8387 3918 8436 3931 8435 HATZOS
Special weather statement, May 2, 12:57 AM EDT, 1 hour 28 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE WILMINGTON OH
1257 AM EDT WED MAY 2 2012
OHZ073-080>082-020530-
ADAMS OH-PIKE OH-ROSS OH-HIGHLAND OH-
1257 AM EDT WED MAY 2 2012
...A LINE OF STRONG THUNDERSTORMS WILL AFFECT SOUTHEASTERN
HIGHLAND...SOUTHERN ROSS...PIKE AND NORTHEASTERN ADAMS COUNTIES
THROUGH 130 AM EDT...
AT 1253 AM EDT...RADAR INDICATED STRONG THUNDERSTORMS ALONG A LINE
EXTENDING FROM SOUTH SALEM TO BERRYSVILLE...MOVING EAST AT 50 MPH.
WIND GUSTS TO 40 MPH AND PEA SIZE HAIL ARE POSSIBLE WITH THESE
STORMS.
SOME LOCATIONS THAT MAY BE AFFECTED INCLUDE...BAINBRIDGE...KINCAID
SPRINGS...PIKE LAKE...WAVERLY AND PIKETON.
ALSO...BOURNEVILLE...SINKING SPRING...KNOCKEMSTIFF...SMOKY CORNERS...
SUMMITHILL...POPLAR GROVE...BUCHANAN AND MASSIEVILLE ARE NEAR THE
PATH OF THIS LINE OF STRONG THUNDERSTORMS.
LAT...LON 3901 8294 3900 8324 3902 8327 3900 8327
3899 8348 3906 8367 3934 8337 3934 8311
3926 8285
HATZOSSpecial weather statement, May 2, 1:12 AM EDT, 1 hour 13 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE WILMINGTON OH
112 AM EDT WED MAY 2 2012
OHZ061-062-020545-
GREENE OH-MONTGOMERY OH-
112 AM EDT WED MAY 2 2012
...A STRONG THUNDERSTORM WILL AFFECT SOUTHEASTERN MONTGOMERY AND
GREENE COUNTIES THROUGH 145 AM EDT...
AT 107 AM EDT...RADAR INDICATED A STRONG THUNDERSTORM NEAR MORAINE...
MOVING EAST AT 45 MPH.
WIND GUSTS TO 40 MPH AND ONE HALF INCH DIAMETER HAIL ARE POSSIBLE
WITH THIS STORM.
SOME LOCATIONS THAT MAY BE AFFECTED INCLUDE...BELLBROOK...
BEAVERCREEK...XENIA...WILBERFORCE...CEDARVILLE AND JAMESTOWN.
ALSO...OVERLOOK-PAGE MANOR...ROXANNA...SPRING VALLEY...GREENE COUNTY
AIRPORT...TREBEIN...OLDTOWN...MIDDLETON CORNER AND PAINTERSVILLE ARE
NEAR THE PATH OF THIS STRONG THUNDERSTORM.
LAT...LON 3971 8425 3976 8417 3977 8392 3976 8365
3960 8366 3955 8367 3955 8368 3959 8426
HATZOSSpecial weather statement, May 2, 1:24 AM EDT, 1 hour 1 minute before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE WILMINGTON OH
124 AM EDT WED MAY 2 2012
OHZ082-088-020545-
PIKE OH-SCIOTO OH-
124 AM EDT WED MAY 2 2012
...A LINE OF STRONG THUNDERSTORMS WILL AFFECT NORTHERN SCIOTO AND
EASTERN PIKE COUNTIES THROUGH 145 AM EDT...
AT 121 AM EDT...RADAR INDICATED STRONG THUNDERSTORMS ALONG A LINE
EXTENDING FROM WAVERLY TO RARDEN...MOVING SOUTHEAST AT 40 MPH.
WIND GUSTS TO 40 MPH AND PEA SIZE HAIL ARE POSSIBLE WITH THESE
STORMS.
SOME LOCATIONS THAT MAY BE AFFECTED INCLUDE...LUCASVILLE AND SOUTH
WEBSTER.
ALSO...BEAR CREEK...WAKEFIELD...GIVENS...LINN...MCDERMOTT...BEAVER...
STOCKDALE AND MINFORD ARE NEAR THE PATH OF THIS LINE OF STRONG
THUNDERSTORMS.
LAT...LON 3879 8270 3879 8293 3884 8314 3896 8322
3918 8297 3917 8278 3896 8280 3894 8275
3886 8275 3886 8268 3885 8266
HATZOSThe office that day
Everything else NWS Wilmington, OH issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 1, 8:05 PM EDT | Special Weather Statement | ILN | Highland | 40 min |
| May 1, 9:00 PM EDT | Special Weather Statement | ILN | Preble | 60 min |
| May 1, 9:06 PM EDT | Areal Flood Advisory | ILN | Preble | 4 hr |
| May 1, 9:31 PM EDT | Flash Flood Warning | ILN | Butler, Montgomery, Preble | 3 hr |
| May 1, 9:59 PM EDT | Special Weather Statement | ILN | Clinton, Greene | 31 min |
| May 1, 10:00 PM EDT | Areal Flood Warning | ILN | Hamilton | 3 hr |
| May 1, 10:01 PM EDT | Special Weather Statement | ILN | Butler | 29 min |
| May 1, 10:21 PM EDT | Special Weather Statement | ILN | Clinton, Fayette | 39 min |
| May 1, 10:28 PM EDT | Flash Flood Warning | ILN | Butler, Hamilton | 4 hr |
| May 1, 10:30 PM EDT | Areal Flood Advisory | ILN | Clinton, Greene, Warren | 3 hr |
| May 1, 11:26 PM EDT | Special Weather Statement | ILN | Clinton | 34 min |
| May 1, 11:29 PM EDT | Severe Thunderstorm Warning | ILN | Brown, Clermont, Clinton, Highland, Warren | 31 min |
| May 1, 11:36 PM EDT | Areal Flood Advisory | ILN | Brown, Clermont, Highland | 3 hr |
| May 1, 11:44 PM EDT | Special Weather Statement | ILN | Butler | 61 min |
| May 2, 12:08 AM EDT | Special Weather Statement | ILN | Warren | 37 min |
| May 2, 12:12 AM EDT | Flash Flood Warning | ILN | Brown, Clermont, Clinton, Highland, Warren | 4 hr |
| May 2, 12:17 AM EDT | Special Weather Statement | ILN | Pike | 28 min |
| May 2, 12:19 AM EDT | Areal Flood Advisory | ILN | Auglaize, Mercer | 3 hr |
| May 2, 12:40 AM EDT | Special Weather Statement | ILN | Clermont | 35 min |
| May 2, 12:53 AM EDT | Areal Flood Advisory | ILN | Pike, Ross | 3 hr |
| May 2, 12:57 AM EDT | Special Weather Statement | ILN | Pike, Ross | 33 min |
| May 2, 1:12 AM EDT | Special Weather Statement | ILN | Greene | 33 min |
| May 2, 1:23 AM EDT | Areal Flood Advisory | ILN | Auglaize, Hardin, Logan, Shelby, Union | 3 hr |
| May 2, 1:24 AM EDT | Special Weather Statement | ILN | Pike, Scioto | 21 min |
| May 2, 2:38 AM EDT | River Flood Warning | ILN | Clermont, Hamilton | 9 hr |
| May 2, 2:38 AM EDT | River Flood Warning | ILN | Clermont, Hamilton, Warren | 11 hr |
Nearby
Areal Flood Warnings in Ohio, 2012Every areal 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.