Alert archive / Ohio / Severe Thunderstorm Warnings in 2010
Severe Thunderstorm Warning 29, NWS Wilmington, OH
NWS Wilmington, OH issued this severe thunderstorm warning at May 1, 2010, 5:26 AM EDT for 4 counties in Ohio. It was in force for 49 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
- May 1, 2010, 5:26 AM EDT (09:26 UTC)
- Expired
- May 1, 2010, 6:15 AM EDT
- In force
- 49 min
- Issued by
- NWS Wilmington, OH
- Area
- Storm-based polygon
Counties Butler County, OH, Hamilton County, OH, Montgomery County, OH, Warren County, OH
The radar
The Cincinnati radar (KILN), 49 km from the middle of the area, began a volume at 09:26 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, 9.4 hours before the alert went out and 367 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
- 1090 J/kg
- Mixed-layer CIN
- -60 J/kg
- Mixed-layer LCL
- 718 m above ground
- 0-6 km bulk shear
- 40 kt
- 0-1 km storm-relative helicity
- 340 m²/s²
- 0-3 km storm-relative helicity
- 345 m²/s²
- Significant tornado parameter
- 1.7
- Supercell composite
- 10.4
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 May 1, 5:23 AM EDT, 3 minutes earlier.
Area forecast discussion, May 1, 5:23 AM EDT, 3 minutes before
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</html>Hazardous weather outlook, Apr 30, 4:53 PM EDT, 12 hours 33 minutes before
HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE WILMINGTON OH 453 PM EDT FRI APR 30 2010 INZ058-059-066-073>075-080-KYZ089>100-OHZ070>072-077>082-088-012100- FAYETTE IN-UNION IN-FRANKLIN IN-RIPLEY-DEARBORN-OHIO-SWITZERLAND- CARROLL-GALLATIN-BOONE-KENTON-CAMPBELL-OWEN-GRANT-PENDLETON-BRACKEN- ROBERTSON-MASON-LEWIS-BUTLER-WARREN-CLINTON-HAMILTON-CLERMONT-BROWN- HIGHLAND-ADAMS-PIKE-SCIOTO- 453 PM EDT FRI APR 30 2010 ...FLASH FLOOD WATCH IN EFFECT FROM SATURDAY EVENING THROUGH MONDAY MORNING... THIS HAZARDOUS WEATHER OUTLOOK IS FOR EAST CENTRAL INDIANA...SOUTHEAST INDIANA...NORTHEAST KENTUCKY...NORTHERN KENTUCKY...SOUTH CENTRAL OHIO AND SOUTHWEST OHIO. .DAY ONE...TONIGHT. NO HAZARDOUS WEATHER EXPECTED AT THIS TIME. .DAYS TWO THROUGH SEVEN...SATURDAY THROUGH THURSDAY. PLEASE LISTEN TO NOAA WEATHER RADIO OR GO TO WEATHER.GOV ON THE INTERNET FOR MORE INFORMATION ABOUT THE FOLLOWING HAZARDS. FLASH FLOOD WATCH. SEVERAL ENHANCED PERIODS OF SHOWERS AND THUNDERSTORMS WILL BE OBSERVED THIS WEEKEND. THE FIRST PERIOD OF SHOWERS AND THUNDERSTORMS IS EXPECTED TO DEVELOP EARLY SATURDAY MORNING AS A COLD FRONT STALLS OUT TO OUR WEST. WIDESPREAD SHOWERS AND THUNDERSTORMS ARE EXPECTED ACROSS THE AREA ON SATURDAY. A SECOND ENHANCED PERIOD OF SHOWERS AND THUNDERSTORMS IS EXPECTED LATE SATURDAY NIGHT INTO SUNDAY AS A COLD FRONT PUSHES THROUGH REGION. STRONG TO SEVERE THUNDERSTORMS ARE POSSIBLE DURING THIS TIME PERIOD WITH DAMAGING WINDS...AND VERY HEAVY RAINFALL BEING THE MAIN THREATS. RAINFALL TOTALS THROUGH THE WEEKEND ARE EXPECTED TO TOTAL BETWEEN 2 AND 5 INCHES. CURRENT THINKING IS THAT THE HEAVIEST RAIN AXIS MAY OCCUR IN THE TRI-STATE REGION INCLUDING EXTREME SOUTHEASTERN INDIANA...SOUTHERN OHIO AND NORTHERN KENTUCKY...BUT THE EXACT PLACEMENT OF THIS AXIS IS STILL UNCERTAIN. DUE TO THIS RAINFALL...THE POTENTIAL FOR FLASH FLOODING WILL EXIST. .SPOTTER INFORMATION STATEMENT... SPOTTER ACTIVATION MAY BE REQUIRED SATURDAY. INZ050-OHZ026-034-035-042>046-051>056-060>065-073-074-012100- WAYNE-HARDIN-MERCER-AUGLAIZE-DARKE-SHELBY-LOGAN-UNION OH-DELAWARE- MIAMI-CHAMPAIGN-CLARK-MADISON-FRANKLIN OH-LICKING-PREBLE-MONTGOMERY- GREENE-FAYETTE OH-PICKAWAY-FAIRFIELD-ROSS-HOCKING- 453 PM EDT FRI APR 30 2010 THIS HAZARDOUS WEATHER OUTLOOK IS FOR EAST CENTRAL INDIANA...CENTRAL OHIO...MIAMI VALLEY OF OHIO AND WEST CENTRAL OHIO. .DAY ONE...TONIGHT. NO HAZARDOUS WEATHER EXPECTED AT THIS TIME. .DAYS TWO THROUGH SEVEN...SATURDAY THROUGH THURSDAY. SEVERAL ENHANCED PERIODS OF SHOWERS AND THUNDERSTORMS WILL BE OBSERVED THIS WEEKEND. THE FIRST PERIOD OF SHOWERS AND THUNDERSTORMS IS EXPECTED TO DEVELOP EARLY SATURDAY MORNING AS A COLD FRONT STALLS OUT TO OUR WEST. WIDESPREAD SHOWERS AND THUNDERSTORMS ARE EXPECTED ACROSS THE AREA ON SATURDAY. A SECOND ENHANCED PERIOD OF SHOWERS AND THUNDERSTORMS IS EXPECTED LATE SATURDAY NIGHT INTO SUNDAY AS A COLD FRONT PUSHES THROUGH REGION. STRONG TO SEVERE THUNDERSTORMS ARE POSSIBLE DURING THIS TIME PERIOD WITH DAMAGING WINDS...AND VERY HEAVY RAINFALL BEING THE MAIN THREATS. .SPOTTER INFORMATION STATEMENT... SPOTTER ACTIVATION MAY BE REQUIRED SATURDAY. BINAU
In the hours before
Special weather statement, May 1, 4:30 AM EDT, 56 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE WILMINGTON OH 430 AM EDT SAT MAY 1 2010 INZ050-058-059-066-073-074-010930- WAYNE IN-FAYETTE IN-UNION IN-FRANKLIN IN-DEARBORN IN-RIPLEY IN- 430 AM EDT SAT MAY 1 2010 ...A LINE OF STRONG THUNDERSTORMS WILL AFFECT NORTHERN RIPLEY... NORTHERN DEARBORN...FRANKLIN...UNION...FAYETTE AND WAYNE COUNTIES THROUGH 530 AM EDT... AT 427 AM EDT...RADAR INDICATED STRONG THUNDERSTORMS ALONG A LINE EXTENDING FROM 26 MILES NORTHWEST OF FRANKLIN TO GLENWOOD TO 11 MILES SOUTH OF HOLTON THAT WERE MOVING NORTHEAST AT 45 MPH. WIND GUSTS TO 40 MPH AND UP TO DIME SIZE HAIL ARE POSSIBLE WITH THESE STORMS. IN ADDITION...HEAVY RAIN CAN BE EXPECTED WITH THESE STORMS. SOME LOCATIONS THAT MAY BE AFFECTED INCLUDE...RICHMOND...OSGOOD... OLDENBURG...MOORES HILL...MILAN...LIBERTY...HAGERSTOWN...FOUNTAIN CITY...DUBLIN...CONNERSVILLE...CENTERVILLE AND CAMBRIDGE CITY. ALSO...RICHMOND MUNICIPAL AIRPORT...MIDDLEBORO...BEESONS... JACKSONBURG...FRANKLIN...WILLIAMSBURG...BETHEL AND ABINGTON ARE NEAR THE PATH OF THESE LINE OF STRONG THUNDERSTORMS. WATER WILL POND ON ROADS AND MAY QUICKLY FILL ROADSIDE DITCHES AND SMALL STREAMS.
Special weather statement, May 1, 5:04 AM EDT, 22 minutes before
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</html>Special weather statement, May 1, 5:09 AM EDT, 17 minutes before
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</html>The office that day
Everything else NWS Wilmington, OH issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 1, 4:34 AM EDT | Severe Thunderstorm Warning | ILN | Fayette, Franklin, Ripley, Union | 41 min |
Nearby
Severe Thunderstorm Warnings in Ohio, 2010Every severe thunderstorm warning in 2010
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.