Alert archive / Ohio / Severe Thunderstorm Warnings in 2003

Severe Thunderstorm Warning 296, NWS Wilmington, OH

August 22, 2003Highland County, Ohio

NWS Wilmington, OH issued this severe thunderstorm warning at Aug 22, 2003, 11:07 AM EDT for Highland County, Ohio. It was in force for 23 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 22, 2003, 11:07 AM EDT (15:07 UTC)
Expired: Aug 22, 2003, 11:30 AM EDT
In force: 23 min
Issued by: NWS Wilmington, OH
Area: Counties, with a storm outline in the text

County Highland County, OH

The radar

The Cincinnati radar (KILN), 38 km from the middle of the area, began a volume at 15:10 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, 3.1 hours before the alert went out and 38 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: 2888 J/kg
Mixed-layer CIN: -41 J/kg
Mixed-layer LCL: 769 m above ground
0-6 km bulk shear: 26 kt
0-1 km storm-relative helicity: 101 m²/s²
0-3 km storm-relative helicity: 124 m²/s²
Significant tornado parameter: 1.6
Supercell composite: 11.2

Open this sounding in Storm Lab

The text

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

000 
WUUS51 KILN 221507
SVRILN
OHC071-221530-

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE WILMINGTON OH
1107 AM EDT FRI AUG 22 2003

THE NATIONAL WEATHER SERVICE IN WILMINGTON HAS ISSUED A

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

* UNTIL 1130 AM EDT...

* AT 1107 AM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM 4 MILES EAST OF MOWRYSTOWN...OR ABOUT 12 MILES
  SOUTH OF HILLSBORO...MOVING SOUTH AT 25 MPH.

* SOME LOCATIONS NEAR THE PATH OF THIS STORM INCLUDE...
  MOWRYSTOWN...

IF SEVERE WEATHER APPROACHES YOUR AREA...GO INSIDE A STURDY SHELTER
AWAY FROM CREEK BEDS AND OTHER FLOOD PRONE AREAS. REMEMBER...A SEVERE
THUNDERSTORM CAN PRODUCE LARGE DAMAGING HAIL...DAMAGING WINDS IN
EXCESS OF 55 MPH...DEADLY LIGHTNING...AND VERY HEAVY RAIN.

LAT...LON 3913 8372 3916 8360 3913 8357 3901 8355
          3901 8380 3912 8382

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 22, 11:06 AM EDT, 1 minute earlier.

Area forecast discussion, Aug 22, 11:06 AM EDT, 1 minute before

AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE WILMINGTON OH
1106 AM EDT FRI AUG 22 2003

COLD FRONT IS CURRENTLY RUNNING FROM NEAR MNN-MIE.  JUST SOUTH OF
FRONT IN CENTRAL OHIO AND MIAMI VALLEY...STRATUS DECK IS KEEPING
TEMPS DOWN AND HELP KEEP CONVECTION CAPPED.  WILL REMOVE CHANCE OF
SHOWERS NORTH OF FRONT AND WHERE STRATUS IS.

HIGHS IN THE LOWER 80S NORTH STILL OKAY.  WILL KNOCK DOWN CENTRAL
OHIO TO LOWER 80S.

CLEMISILN OUT SHORTLY.

.ILN...NONE.

SITES

Hazardous weather outlook, Aug 22, 6:50 AM EDT, 4 hours 17 minutes before

INZ050-058-059-066-073>075-080-KYZ089>100-OHZ026-034-035-042>046-
051>056-060>065-070>074-077>082-088-221245-

HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE WILMINGTON OH
650 AM EDT FRI AUG 22 2003

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

.DAY ONE...TODAY

SCATTERED SHOWERS AND THUNDERSTORMS WILL BE POSSIBLE TODAY. A FEW OF
THE STORMS MAY BECOME SEVERE...MAINLY ALONG AND TO THE SOUTH OF THE
OHIO RIVER. THE MAIN SEVERE WEATHER THREAT WOULD BE DAMAGING WINDS
AND LARGE HAIL.

.DAYS TWO THROUGH SEVEN...SATURDAY THROUGH THURSDAY

NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION IS NOT ANTICIPATED.

In the hours before

Local storm report, Aug 22, 6:46 AM EDT, 4 hours 21 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE WILMINGTON, OH
646 AM EDT FRI AUG 22 2003

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

0645 AM    LAWRENCEBURG              IN   .75 INCH HAIL
08/22/03   DEARBORN

Local storm report, Aug 22, 8:03 AM EDT, 3 hours 4 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE WILMINGTON, OH
803 AM EDT FRI AUG 22 2003

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

0730 AM    CINCINNATI                OH   .75 INCH HAIL
08/22/03   HAMILTON                       FELL IN THE WESTERN HILLS
                                          AREA OF CINCINNATI.REPORTED
                                          BY LAW ENFORCEMENT.

Local storm report, Aug 22, 10:59 AM EDT, 8 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE WILMINGTON OH
1059 AM EDT FRI AUG 22 2003

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

1050 AM    WEST UNION                OH   WIND DAMAGE
08/22/03   ADAMS                          SEVERAL TREES DOWN IN AND
                                          NEAR WEST UNION.

GAT

Local storm report, Aug 22, 11:00 AM EDT, 7 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE WILMINGTON OH
1100 AM EDT FRI AUG 22 2003

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

1045 AM    SEAMAN                    OH   FLOOD
08/22/03   ADAMS                          WATER COVERING AND RISING
                                          ON SEVERAL ROADS

GAT

The office that day

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

Issued	Product	Office	Counties	Lasted
Aug 22, 5:23 AM EDT	Severe Thunderstorm Warning	ILN	Fayette	37 min
Aug 22, 5:58 AM EDT	Severe Thunderstorm Warning	ILN	Licking	32 min
Aug 22, 7:20 AM EDT	Severe Thunderstorm Warning	ILN	Hamilton	25 min
Aug 22, 10:24 AM EDT	Severe Thunderstorm Warning	ILN	Adams	66 min
Aug 22, 11:13 AM EDT	Flash Flood Warning	ILN	Adams	2 hr
Aug 22, 11:28 AM EDT	Severe Thunderstorm Warning	ILN	Adams	62 min
Aug 22, 12:28 PM EDT	Severe Thunderstorm Warning	ILN	Brown	47 min
Aug 22, 1:39 PM EDT	Flash Flood Warning	ILN	Adams	96 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.