Alert archive / Ohio / Severe Thunderstorm Warnings in 2009
Severe Thunderstorm Warning 180, NWS Wilmington, OH
NWS Wilmington, OH issued this severe thunderstorm warning at Aug 10, 2009, 3:55 PM EDT for Warren County, Ohio. It was in force for 19 min. No storm report in the archive falls inside the area while it was in force.
The area
The counties it named.
The facts
- Issued
- Aug 10, 2009, 3:55 PM EDT (19:55 UTC)
- Expired
- Aug 10, 2009, 4:14 PM EDT
- In force
- 19 min
- Issued by
- NWS Wilmington, OH
- Area
- Storm-based polygon
County Warren County, OH
The radar
The Cincinnati radar (KILN), 30 km from the middle of the area, began a volume at 19:57 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 12:00Z, 7.9 hours before the alert went out and 32 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
- 2349 J/kg
- Mixed-layer CIN
- -9 J/kg
- Mixed-layer LCL
- 598 m above ground
- 0-6 km bulk shear
- 34 kt
- 0-1 km storm-relative helicity
- 46 m²/s²
- 0-3 km storm-relative helicity
- 54 m²/s²
- Significant tornado parameter
- 0.5
- Supercell composite
- 3.0
What forecasters said that day
The local office's own words before this severe thunderstorm 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 severe thunderstorm warning went out at Aug 10, 2:02 PM EDT, 1 hour 53 minutes earlier.
Area forecast discussion, Aug 10, 2:02 PM EDT, 1 hour 53 minutes before
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</html>Hazardous weather outlook, Aug 10, 5:00 AM EDT, 10 hours 55 minutes before
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</html>In the hours before
Special weather statement, Aug 10, 2:57 PM EDT, 58 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE WILMINGTON OH 257 PM EDT MON AUG 10 2009 INZ066-OHZ070-101930- FRANKLIN IN-BUTLER OH- 257 PM EDT MON AUG 10 2009 ...A STRONG THUNDERSTORM WILL AFFECT WESTERN BUTLER AND FRANKLIN COUNTIES THROUGH 330 PM EDT... AT 257 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A STRONG THUNDERSTORM LOCATED NEAR BROOKVILLE...MOVING EAST AT 15 MPH. THIS STORM WILL BE CAPABLE OF PRODUCING SMALL HAIL AND WIND GUSTS TO 50 MPH. LOCATIONS IMPACTED INCLUDE... BROOKVILLE AND OXFORD. IN ADDITION...MOUNDS STATE RECREATION AREA...CEDAR GROVE...ALERT... LAYHIGH...MCGONIGLE...ST. CHARLES...REILY AND OKEANA ARE NEAR THE PATH OF THIS STORM. RESIDENTS IN THESE AREAS SHOULD REMAIN ALERT. IF THIS STORM BECOMES STRONGER...THEN A WARNING MAY BE NEEDED. HATZOS
Special weather statement, Aug 10, 3:52 PM EDT, 3 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE WILMINGTON OH 352 PM EDT MON AUG 10 2009 INZ073-074-102030- DEARBORN IN-RIPLEY IN- 352 PM EDT MON AUG 10 2009 ...A STRONG THUNDERSTORM WILL AFFECT NORTHERN RIPLEY AND DEARBORN COUNTIES THROUGH 430 PM EDT... AT 351 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A STRONG THUNDERSTORM LOCATED NEAR SUNMAN...MOVING EAST AT 20 MPH. THIS STORM WILL BE CAPABLE OF PRODUCING WIND GUSTS TO 50 MPH. LOCATIONS IMPACTED INCLUDE... MILAN...MOORES HILL...LAWRENCEBURG...BRIGHT AND AURORA. IN ADDITION...PENNTOWN...SUNMAN...WEISBURG...LAWRENCEVILLE... MANCHESTER...NEW ALSACE...MOUNT SINAI AND ST. LEON ARE NEAR THE PATH OF THIS STORM. RESIDENTS IN THESE AREAS SHOULD REMAIN ALERT. IF THIS STORM BECOMES STRONGER...THEN A WARNING MAY BE NEEDED. HATZOS
The office that day
Everything else NWS Wilmington, OH issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 10, 4:47 PM EDT | Severe Thunderstorm Warning | ILN | Brown, Clermont, Highland | 43 min |
| Aug 10, 5:43 PM EDT | Severe Thunderstorm Warning | ILN | Carroll, Gallatin, Owen | 47 min |
| Aug 10, 5:48 PM EDT | Tornado Warning | ILN | Carroll, Gallatin | 27 min |
| Aug 10, 6:26 PM EDT | Areal Flood Advisory | ILN | Owen | 3 hr |
| Aug 10, 6:41 PM EDT | Areal Flood Advisory | ILN | Grant, Pendleton | 3 hr |
| Aug 10, 7:22 PM EDT | Areal Flood Advisory | ILN | Mason, Robertson | 3 hr |
| Aug 10, 4:30 PM EDT | Areal Flood Advisory | ILN | Ripley | 2 hr |
| Aug 10, 5:24 PM EDT | Severe Thunderstorm Warning | ILN | Dearborn, Ohio, Ripley | 27 min |
Nearby
Severe Thunderstorm Warnings in Ohio, 2009Every severe thunderstorm warning in 2009
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.