Alert archive / Ohio / Severe Thunderstorm Warnings in 2003

Severe Thunderstorm Warning 285, NWS Wilmington, OH

August 11, 2003Scioto County, Ohio

NWS Wilmington, OH issued this severe thunderstorm warning at Aug 11, 2003, 2:09 PM EDT for Scioto County, Ohio. It was in force for 66 min. No storm report in the archive falls inside the area while it was in force.

The area

The outline as issued.

The facts

Issued: Aug 11, 2003, 2:09 PM EDT (18:09 UTC)
Expired: Aug 11, 2003, 3:15 PM EDT
In force: 66 min
Issued by: NWS Wilmington, OH
Area: Counties, with a storm outline in the text

County Scioto County, OH

The radar

The Cincinnati radar (KILN), 100 km from the middle of the area, began a volume at 18:10 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.

Did it verify

Not verified. The Iowa Environmental Mesonet's Cow found no qualifying storm report inside this severe thunderstorm warning while it was in force. That is not proof nothing happened: reports are thin where few people live.

Cow counts a report within 15 km of the polygon while the warning was in force: a tornado for a tornado warning; hail of 1 inch or more, a gust of 58 mph or more or wind damage for a severe thunderstorm warning; a flash flood report for a flash flood warning.

The nearest sounding before it

Cncnati-Daytn, OH (KILN), launched 12:00Z, 6.2 hours before the alert went out and 99 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: 660 J/kg
Mixed-layer CIN: -21 J/kg
Mixed-layer LCL: 998 m above ground
0-6 km bulk shear: 7 kt
0-1 km storm-relative helicity: -17 m²/s²
0-3 km storm-relative helicity: -41 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

000 
WUUS51 KILN 111809
SVRILN
OHC145-111915-

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE WILMINGTON OH
209 PM EDT MON AUG 11 2003

THE NATIONAL WEATHER SERVICE IN WILMINGTON HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  SCIOTO COUNTY IN OHIO...

* UNTIL 315 PM EDT...

* AT 209 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM 12 MILES WEST OF LUCASVILLE...OR ABOUT 17 MILES
  NORTHWEST OF PORTSMOUTH...MOVING EAST AT 15 MPH.

* SOME LOCATIONS NEAR THE PATH OF THIS STORM INCLUDE...
  LUCASVILLE...
  ROSEMOUNT...
  SCIOTODALE...
  SOUTH WEBSTER...

DAMAGING WINDS ARE LIKELY WITH THIS STORM. IF YOU ARE IN THE STORMS
PATH...TAKE COVER IN A STURDY STRUCTURE UNTIL THE STORM PASSES.

LAT...LON 3875 8287 3881 8328 3900 8328 3896 8313
          3895 8275 3885 8276 3884 8270 3873 8270

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 11, 10:53 AM EDT, 3 hours 16 minutes earlier.

Area forecast discussion, Aug 11, 10:53 AM EDT, 3 hours 16 minutes before

AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE WILMINGTON OH
1053 AM EDT MON AUG 11 2003

FEW MINOR CHANGES TO THIS AFTERNOONS FORECAST.  BASED ON LATEST
SATELLITE LOOP WILL GO PARTLY CLOUDY IN THE EAST.  ALSO A FEW SUCKER
HOLES NW OF CVG...SO WILL GO VARIABLE CLOUDINESS IN THE TRI-STATE
REGION.  12Z ILN SOUNDING IS SUPPORTING HIGHS IN THE LOWER 80S
SOUTH...THIS IS EVEN WITH CLOUD COVER.  THIS MAKES SENSE...SINCE
TEMPS ONLY DROP INTO UPPER 60S IN MOST LOCATIONS.  WILL ALSO PUSH
CENTRAL OHIO TO NEAR 80...SINCE CMH WAS 72 AND THERE IS A LOT OF
CLEAR SKIES IN THE AREA RIGHT NOW.

CLEMISILN ALREADY OUT. ZFP OUT SHORTLY.

.ILN...NONE.

SITES

Hazardous weather outlook, Aug 11, 5:21 AM EDT, 8 hours 48 minutes before

INZ050-058-059-066-073>075-080-KYZ089>100-OHZ026-034-035-042>046-
051>056-060>065-070>074-077>082-088-111115-

HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE WILMINGTON OH
521 AM EDT MON AUG 11 2003

THIS HAZARDOUS WEATHER OUTLOOK IS FOR EASTERN INDIANA...NORTHERN
KENTUCKY AND THE SOUTHWEST QUARTER OF OHIO.

.DAY ONE...TODAY

SCATTERED THUNDERSTORMS WILL BE POSSIBLE TODAY AND THIS EVENING.
SOME WILL PRODUCE HEAVY RAINFALL AND LOCALIZED FLOODING.  AN
ISOLATED SEVERE STORM WILL ALSO BE POSSIBLE THIS AFTERNOON AND
EVENING.

.DAYS TWO THROUGH SEVEN...TUESDAY THROUGH SUNDAY

SCATTERED/ISOLATED AFTERNOON AND EVENING THUNDERSTORMS WILL BE
POSSIBLE TUESDAY.  ANY OF THESE STORMS COULD PRODUCE TORRENTIAL
RAINFALL AND LOCALIZED FLOODING.  AN ISOLATED SEVERE STORM CANNOT BE
RULED OUT AS WELL.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION IS NOT ANTICIPATED.

 TIPTON

In the hours before

Local storm report, Aug 11, 9:44 AM EDT, 4 hours 25 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE WILMINGTON, OH
944 AM EDT MON AUG 11 2003

TIME(EDT)  .....CITY LOCATION.....STATE   ...EVENT/REMARKS...
           ....COUNTY LOCATION....

0600 PM    4 W RICHMOND              IN   FLOOD
08/11/03   WAYNE                          FEW ROADS WITH HIGH WATER

RLG

Local storm report, Aug 11, 1:01 PM EDT, 1 hour 8 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE WILMINGTON, OH
101 PM EDT MON AUG 11 2003

TIME(EDT)  .....CITY LOCATION.....STATE   ...EVENT/REMARKS...
           ....COUNTY LOCATION....

1256 PM    WINCHESTER                OH   WIND DAMAGE
08/11/03   ADAMS                          TREES DOWN

1256 PM    WINCHESTER                OH   FLASH FLOOD
08/11/03   ADAMS                          HIGH WATER ON ROADS

RLG

The office that day

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

Issued	Product	Office	Counties	Lasted
Aug 11, 12:39 PM EDT	Severe Thunderstorm Warning	ILN	Adams	51 min
Aug 11, 12:46 PM EDT	Flash Flood Warning	ILN	Adams	119 min
Aug 11, 12:53 PM EDT	Flash Flood Warning	ILN	Pike	2 hr
Aug 11, 4:20 PM EDT	Severe Thunderstorm Warning	ILN	Greene	25 min

Nearby

Severe Thunderstorm Warnings in Ohio, 2003 Every severe thunderstorm warning in 2003

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.