Alert archive / Ohio / Severe Thunderstorm Warnings in 2010

Severe Thunderstorm Warning 261, NWS Wilmington, OH

October 26, 20106 counties in Ohio

NWS Wilmington, OH issued this severe thunderstorm warning at Oct 26, 2010, 1:28 PM EDT for 6 counties in Ohio. It was in force for 62 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: Oct 26, 2010, 1:28 PM EDT (17:28 UTC)
Expired: Oct 26, 2010, 2:30 PM EDT
In force: 62 min
Issued by: NWS Wilmington, OH
Area: Storm-based polygon

Counties Fayette County, OH, Highland County, OH, Madison County, OH, Pickaway County, OH, Pike County, OH, Ross County, OH

The radar

The Cincinnati radar (KILN), 48 km from the middle of the area, began a volume at 17:28 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 watch it was issued in

The SPC watch in force over the same counties when this warning went out.

Issued	Product	Office	Lasted
Oct 26, 8:55 AM EDT	Tornado Watch	SPC	7 hr

The nearest sounding before it

Cncnati-Daytn, OH (KILN), launched 12:00Z, 5.5 hours before the alert went out and 46 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.

Skew-T log-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.

Mixed-layer CAPE: 97 J/kg
Mixed-layer CIN: -17 J/kg
Mixed-layer LCL: 644 m above ground
0-6 km bulk shear: 50 kt
0-1 km storm-relative helicity: 375 m²/s²
0-3 km storm-relative helicity: 346 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 1.0

Open this sounding in Storm Lab

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 Oct 26, 1:23 PM EDT, 5 minutes earlier.

Area forecast discussion, Oct 26, 1:23 PM EDT, 5 minutes before

AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE WILMINGTON OH
123 PM EDT TUE OCT 26 2010

.SYNOPSIS...
A STRONG COLD FRONT WILL CROSS THE REGION TODAY....BRINGING HIGH
WINDS AND THUNDERSTORMS. DRIER AIR WILL MOVE IN BEHIND THE FRONT
TONIGHT. A SECONDARY COLD FRONT WILL MOVE THROUGH LATE WEDNESDAY...
USHERING IN COOLER TEMPERATURES FOR THURSDAY.

&&

.NEAR TERM /UNTIL MIDNIGHT TONIGHT/...
ZONE UPDATE WILL INCLUDE A DROP IN CHANCE OF RAIN THIS EVENING AND
LOWERING THE CHANCE OF THUNDER TO THE EAST SIDE OF FRONT MOVING
THROUGH. REMOVED ANOTHER LINE OF COUNTIES FROM TOR WATCH.

&&

.SHORT TERM /MIDNIGHT TONIGHT THROUGH THURSDAY/...
WINDS WILL SUBSIDE BELOW HIGH WIND CRITERIA AND THUNDERSTORMS
WILL END AS THE FRONT MOVES EAST OF THE AREA THIS EVENING...BUT IT
WILL REMAIN BREEZY OVERNIGHT. A CYCLONIC FLOW WILL PERSIST ON
WEDNESDAY AND THURSDAY AS LOW PRESSURE TRAVELS SLOWLY ACROSS
SOUTHERN CANADA. WINDS WILL STAY STRONG WITH GUSTS TO 40 MPH
POSSIBLE WEDNESDAY AFTERNOON. EXPECT DRY WEATHER WITH PARTLY TO
MOSTLY CLOUDY SKIES. TEMPERATURES WILL BE ABOVE NORMAL ON
WEDNESDAY WITH HIGHS AROUND 70. AFTER THE SECONDARY COLD FRONT
MOVES THROUGH LATE WEDNESDAY...HIGHS WILL BE IN THE 50S ON
THURSDAY.

&&

.LONG TERM /THURSDAY NIGHT THROUGH MONDAY/...
SECONDARY SURFACE TROUGH AND ASSOCIATED SHORT WAVE WILL MOVE THROUGH
THE REGION ON THURSDAY. THIS WILL BRING A SURGE OF COOLER AIR WHICH
WILL LAST THROUGH FRIDAY WHEN HIGH PRESSURE STARTS TO BUILD IN.
SOUTHERLY FLOW WILL BECOME ESTABLISHED ONCE AGAIN OVER THE WEEKEND
WHICH WILL ALLOW TEMPERATURES TO REBOUND BACK ABOVE NORMAL. A WEAK
FRONT IS FORECAST TO SAG SOUTHWARDS ON MONDAY BUT AT THIS TIME IT
APPEARS THAT THIS WILL MOVE THROUGH DRY. THE BOUNDARY MAY EVENTUALLY
BECOME A FOCUS FOR PRECIPITATION BUT THAT WOULD BE BEYOND THIS
PERIOD.

&&

.AVIATION /17Z TUESDAY THROUGH SATURDAY/...
DEEP UPPER LEVEL TROF TO TAKE ON A NEGATIVE TILT AND PIVOT INTO
THE GREAT LAKES TODAY. EXPECT AN INCREASE IN CLOUDS AND WINDS THIS
MORNING WITH THE PRESSURE GRADIENT INCREASING IN CONTINUED
SOUTHWEST FLOW PATTERN. A PERIOD OF MVFR CIGS IS LKLY EARLY THIS
MORNING. A STRONG COLD FRONT TO SEEP THRU THE OHIO VALLEY THIS
AFTN. HAVE THIS FRONT INTO WESTERN OHIO 18-19Z AND TO THE CMH TAF
SITES AROUND 21Z. MVFR CIGS MAY BECOME VFR FOR A PERIOD BY MIDDAY
BEFORE MVFR CIGS RE-DEVELOP DURG THE DAY. MODELS ARE SHOWING A NARROW
TONGUE OF HIGHER INSTABILITIES ALONG THE FRONT...SO EXPECT A LINE
OF SHOWERS WITH EMBEDDED THUNDERSTORMS TO PUSH WEST TO EAST ACROSS
THE AREA IN THE 18Z-22Z TIME FRAME. WITH 3-5K FOOT WINDS INCREASING
INTO THE 40 TO 60 KNOT RANGE THROUGH LATE MORNING...GUSTY WINDS
WILL BE AN ISSUE TODAY. EXPECT PREVAILING SOUTHERLY WINDS OF 20-25
KNOTS WITH WIND GUSTS OF 45 KNOTS LIKELY. WINDS WILL BEGIN TO
DIMINISH LATE THIS AFTN/EARLY EVENING AS THE FRONT SHIFTS OFF TO
THE EAST.

OUTLOOK...NO SIGNIFICANT WEATHER EXPECTED.

&&

.ILN WATCHES/WARNINGS/ADVISORIES...
OH...WIND ADVISORY UNTIL 8 PM EDT THIS EVENING FOR OHZ026-034-035-
     042>046-051>056-060>065-070>074-077>082-088.
KY...WIND ADVISORY UNTIL 8 PM EDT THIS EVENING FOR KYZ089>100.
IN...WIND ADVISORY UNTIL 8 PM EDT THIS EVENING FOR INZ050-058-059-
     066-073>075-080.

&&

SYNOPSIS...CONIGLIO
NEAR TERM...FRANKS
SHORT TERM...CONIGLIO
LONG TERM...
AVIATION...AR

Hazardous weather outlook, Oct 26, 9:44 AM EDT, 3 hours 44 minutes before

HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE WILMINGTON OH
944 AM EDT TUE OCT 26 2010

INZ050-058-059-066-073>075-080-KYZ089>100-OHZ026-034-035-042>046-
051>056-060>065-070>074-077>082-088-271345-
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-
944 AM EDT TUE OCT 26 2010

...TORNADO WATCH 722 IN EFFECT UNTIL 4 PM EDT THIS AFTERNOON...
...HIGH WIND WARNING IN EFFECT UNTIL 8 PM EDT THIS EVENING...

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...TODAY AND TONIGHT.

PLEASE LISTEN TO NOAA WEATHER RADIO OR GO TO WEATHER.GOV ON THE
INTERNET FOR MORE INFORMATION ABOUT THE FOLLOWING HAZARDS.

   TORNADO WATCH.
   HIGH WIND WARNING.

A STRONG COLD FRONT WILL CROSS THE AREA TODAY...PUSHING A LINE OF
THUNDERSTORMS AHEAD OF IT. SOME OF THE THUNDERSTORMS ARE EXPECTED
TO BE SEVERE...CONTAINING WIDESPREAD DAMAGING WINDS...LARGE
HAIL...AND ISOLATED TORNADOES.

.DAYS TWO THROUGH SEVEN...WEDNESDAY THROUGH MONDAY.

STRONG GUSTY WINDS ARE EXPECTED AGAIN ON WEDNESDAY WHEN A
SECONDARY COLD FRONT CROSSES THE REGION.

.SPOTTER INFORMATION STATEMENT...

SPOTTERS SHOULD ACTIVATE AND REPORT SIGNIFICANT WEATHER CONDITIONS.

SITES

In the hours before

Local storm report, Oct 26, 12:59 PM EDT, 29 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE WILMINGTON OH
1259 PM EDT TUE OCT 26 2010

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

1151 AM     TSTM WND DMG     6 NE WAPAKONETA         40.63N 84.11W
10/26/2010                   AUGLAIZE           OH   LAW ENFORCEMENT

            TREES DOWN COUNTRY WIDE

1203 PM     TSTM WND DMG     5 NE WAPAKONETA         40.62N 84.12W
10/26/2010                   AUGLAIZE           OH   EMERGENCY MNGR

            8 INCH DIAMETER TREES UPROOTED JUST SOUTH OF CRIDERSVILLE

1227 PM     TSTM WND GST     ENGLEWOOD               39.86N 84.31W
10/26/2010  E60 MPH          MONTGOMERY         OH   TRAINED SPOTTER

1231 PM     TSTM WND DMG     WARSAW                  38.79N 84.89W
10/26/2010                   GALLATIN           KY   COUNTY OFFICIAL

            TREES DOWN

1231 PM     HAIL             TAYLOR MILL             39.01N 84.50W
10/26/2010  E1.00 INCH       KENTON             KY   TRAINED SPOTTER

&&

HUGHES

Local storm report, Oct 26, 1:07 PM EDT, 21 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE WILMINGTON OH
107 PM EDT TUE OCT 26 2010

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

1220 PM     TSTM WND GST     TRENTON                 39.48N 84.46W
10/26/2010  M69 MPH          BUTLER             OH   TRAINED SPOTTER

            MEASURED ON STATE ROUTE 73

&&

JDR

Local storm report, Oct 26, 1:13 PM EDT, 15 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE WILMINGTON OH
113 PM EDT TUE OCT 26 2010

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

1220 PM     TSTM WND GST     WILMINGTON              39.44N 83.83W
10/26/2010  M72.00 MPH       CLINTON            OH   OFFICIAL NWS OBS

            AT NWS WILMINGTON.

1220 PM     TSTM WND DMG     MASON                   39.36N 84.31W
10/26/2010                   WARREN             OH   BROADCAST MEDIA

            2 TREES DOWN NEAR FIELDS ERTEL ROAD.

&&

JDR

Local storm report, Oct 26, 1:21 PM EDT, 7 minutes before

PRELIMINARY LOCAL STORM REPORT...CORRECTED
NATIONAL WEATHER SERVICE WILMINGTON OH
121 PM EDT TUE OCT 26 2010

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

0110 PM     TSTM WND DMG     MASON                   39.36N 84.31W
10/26/2010                   WARREN             OH   BROADCAST MEDIA

            2 TREES DOWN NEAR FIELDS ERTEL ROAD.

0113 PM     TSTM WND GST     WILMINGTON              39.44N 83.83W
10/26/2010  M72.00 MPH       CLINTON            OH   OFFICIAL NWS OBS

            AT NWS WILMINGTON.

&&

JDR

Local storm report, Oct 26, 1:23 PM EDT, 5 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE WILMINGTON OH
123 PM EDT TUE OCT 26 2010

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

0116 PM     TSTM WND GST     2 NE BURTONVILLE        39.43N 83.79W
10/26/2010  M67.00 MPH       CLINTON            OH   ASOS

            MEASURED AT WILMINGTON AIRPARK ASOS /KILN/

&&

HATZOS

Local storm report, Oct 26, 1:25 PM EDT, 3 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE WILMINGTON OH
125 PM EDT TUE OCT 26 2010

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

0124 PM     TSTM WND GST     DELAWARE                40.30N 83.08W
10/26/2010  M57 MPH          DELAWARE           OH   AMATEUR RADIO

            MEASURED AT STATE ROUTE 36 AND INTERSTATE 71.

&&

JDR

The office that day

Everything else NWS Wilmington, OH issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Oct 26, 3:56 AM EDT	High Wind Warning	ILN	Adams, Auglaize, Brown, Butler, Champaign, Clark and 26 more	9 hr
Oct 26, 10:50 AM EDT	Severe Thunderstorm Warning	ILN	Darke, Mercer	55 min
Oct 26, 11:12 AM EDT	Tornado Warning	ILN	Darke, Mercer	33 min
Oct 26, 11:19 AM EDT	Tornado Warning	ILN	Butler, Preble	41 min
Oct 26, 11:20 AM EDT	Severe Thunderstorm Warning	ILN	Auglaize, Darke, Miami, Shelby	55 min
Oct 26, 11:26 AM EDT	Severe Thunderstorm Warning	ILN	Butler, Miami, Montgomery, Preble	64 min
Oct 26, 11:30 AM EDT	Tornado Warning	ILN	Darke, Preble	36 min
Oct 26, 11:38 AM EDT	Tornado Warning	ILN	Auglaize, Mercer	37 min
Oct 26, 11:40 AM EDT	Severe Thunderstorm Warning	ILN	Hamilton	65 min
Oct 26, 11:51 AM EDT	Tornado Warning	ILN	Darke, Miami, Shelby	39 min
Oct 26, 11:58 AM EDT	Severe Thunderstorm Warning	ILN	Auglaize, Champaign, Hardin, Logan, Miami, Shelby	62 min
Oct 26, 12:02 PM EDT	Tornado Warning	ILN	Butler, Montgomery, Preble	25 min
Oct 26, 12:13 PM EDT	Severe Thunderstorm Warning	ILN	Champaign, Clark, Greene, Miami, Montgomery	62 min
Oct 26, 12:15 PM EDT	Severe Thunderstorm Warning	ILN	Butler, Clermont, Hamilton, Warren	45 min
Oct 26, 12:17 PM EDT	Tornado Warning	ILN	Champaign, Logan, Miami, Shelby	43 min
Oct 26, 12:20 PM EDT	Tornado Warning	ILN	Champaign, Clark, Greene, Miami, Montgomery	40 min
Oct 26, 12:32 PM EDT	Wind Advisory	ILN	Adams, Auglaize, Brown, Butler, Champaign, Clark and 26 more	3 hr
Oct 26, 12:41 PM EDT	Tornado Warning	ILN	Brown, Clermont, Clinton, Hamilton, Warren	33 min
Oct 26, 12:45 PM EDT	Severe Thunderstorm Warning	ILN	Champaign, Clark, Fayette, Greene, Logan, Madison and 1 more	60 min
Oct 26, 12:51 PM EDT	Severe Thunderstorm Warning	ILN	Brown, Clermont, Clinton, Fayette, Highland, Warren	54 min
Oct 26, 12:56 PM EDT	Severe Thunderstorm Warning	ILN	Brown, Clermont	64 min
Oct 26, 1:09 PM EDT	Tornado Warning	ILN	Clinton, Fayette, Highland	36 min
Oct 26, 1:13 PM EDT	Severe Thunderstorm Warning	ILN	Delaware, Franklin	62 min
Oct 26, 1:29 PM EDT	Severe Thunderstorm Warning	ILN	Adams, Brown, Pike, Scioto	61 min
Oct 26, 1:32 PM EDT	Tornado Warning	ILN	Fayette, Madison, Pickaway	27 min
Oct 26, 1:47 PM EDT	Tornado Warning	ILN	Fairfield, Franklin, Licking, Pickaway	28 min
Oct 26, 2:02 PM EDT	Severe Thunderstorm Warning	ILN	Delaware, Fairfield, Franklin, Licking	43 min
Oct 26, 2:11 PM EDT	Severe Thunderstorm Warning	ILN	Fairfield, Hocking, Pickaway	64 min
Oct 26, 2:14 PM EDT	Tornado Warning	ILN	Fairfield, Franklin, Licking	46 min
Oct 26, 2:16 PM EDT	Severe Thunderstorm Warning	ILN	Adams, Pike, Ross, Scioto	33 min
Oct 26, 2:28 PM EDT	Severe Thunderstorm Warning	ILN	Licking	26 min
Oct 26, 2:37 PM EDT	Severe Thunderstorm Warning	ILN	Scioto	53 min
Oct 26, 11:59 AM EDT	Tornado Warning	ILN	Boone, Carroll, Gallatin, Grant, Owen	31 min
Oct 26, 12:24 PM EDT	Severe Thunderstorm Warning	ILN	Grant, Owen, Pendleton	51 min
Oct 26, 10:41 AM EDT	Severe Thunderstorm Warning	ILN	Fayette, Union, Wayne	64 min
Oct 26, 10:57 AM EDT	Severe Thunderstorm Warning	ILN	Dearborn, Fayette, Franklin, Ripley, Union	63 min
Oct 26, 11:02 AM EDT	Tornado Warning	ILN	Fayette, Union, Wayne	43 min
Oct 26, 11:29 AM EDT	Tornado Warning	ILN	Dearborn, Franklin, Ripley	46 min

Nearby

Severe Thunderstorm Warnings in Ohio, 2010 Every 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.