Alert archive / Ohio / Severe Thunderstorm Warnings in 2003

Severe Thunderstorm Warning 229, NWS Wilmington, OH

July 15, 2003Adams County, Ohio

NWS Wilmington, OH issued this severe thunderstorm warning at Jul 15, 2003, 10:45 PM EDT for Adams County, Ohio. It was in force for 45 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: Jul 15, 2003, 10:45 PM EDT (02:45 UTC)
Expired: Jul 15, 2003, 11:30 PM EDT
In force: 45 min
Issued by: NWS Wilmington, OH
Area: Counties, with a storm outline in the text

County Adams County, OH

The radar

The Cincinnati radar (KILN), 79 km from the middle of the area, began a volume at 02:47 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 00:00Z, 2.8 hours before the alert went out and 79 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: 1565 J/kg
Mixed-layer CIN: -36 J/kg
Mixed-layer LCL: 685 m above ground
0-6 km bulk shear: 40 kt
0-1 km storm-relative helicity: 263 m²/s²
0-3 km storm-relative helicity: 334 m²/s²
Significant tornado parameter: 2.4
Supercell composite: 14.2

Open this sounding in Storm Lab

The text

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

581 
WUUS51 KILN 160245
SVRILN
OHC001-160330-

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE WILMINGTON OH
1045 PM EDT TUE JUL 15 2003

THE NATIONAL WEATHER SERVICE IN WILMINGTON HAS ISSUED A

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

* UNTIL 1130 PM EDT...

* AT 1045 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM 4 MILES SOUTH OF WEST UNION...OR ABOUT 14 MILES
  NORTHEAST OF MAYSVILLE...MOVING EAST AT 40 MPH.

* SOME LOCATIONS NEAR THE PATH OF THIS STORM INCLUDE...
  MANCHESTER...
  WEST UNION...

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 3884 8363 3893 8349 3889 8327 3859 8327
          3863 8335 3869 8359 3865 8367

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 Jul 15, 8:05 PM EDT, 2 hours 40 minutes earlier.

Area forecast discussion, Jul 15, 8:05 PM EDT, 2 hours 40 minutes before

AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE WILMINGTON OH
805 PM EDT TUE JUL 15 2003

SHOWERS AND THUNDERSTORMS CONTINUING TO INTENSIFY ALONG NARROW LINE
FROM NORTH OF SDF TO AROUND DAY. LIGHTNING STRIKES HAVE BEEN ON THE
INCREASE PAST HOUR OR SO WITH COOLING CLOUD TOPS NOTED ON IR SAT
IMAGERY. AS MIGHT BE EXPECTED...LATEST RUC SHOWING BEST INSTABILTIES
ACROSS OUR SW WITH SBCAPES ON THE ORDER OF 3000 J/KG...AND THIS
AFTER BEING GRUNGED OUT FOR MOST OF THE DAY. FORECAST SOUNDING OFF
THE 18Z MESOETA FOR CVG AT 00Z SHOWING A FAIRLY HIGH WETBULB ZERO AT
AROUND 11K BUT A MAX DELTA THETA E OF AROUND 30 SUGGESTS THE
POSSSIBLITY OF SOME GUSTY WINDS WITH THE STRONGER STORMS. WILL HAVE
TO KEEP A CLOSE EYE ON THINGS FOR ISOLATED SEVERE AS WE HEAD THROUGH
THE NEXT COUPLE OF HOURS. MEANWHILE...WENT AHEAD AND UPDATED THE
ZONES TO TRY AND CLEAN UP SOME OF THE WORDING. DROPPED PRECIP ACROSS
PARTS OF THE NW AS EXPECT THE FEW LINGERING SHOWERS TO THE NORTHWEST
OF OUR AREA TO PRETTY MUCH FIZZLE OUT WITH SUNSET. ALSO WENT AHEAD
AND BUMPED UP POPS ACROSS SOUTH AHEAD OF LINE OF THUNDERSTORMS. LEFT
PMH GROUP ALONE FOR NOW TO SEE HOW THINGS PROGRESS BUT IF CURRENT
TRENDS CONTINUE WILL UPDATE IN A LITTLE WHILE TO BUMP UP POPS THERE
TOO.

.ILN...NONE.

Hazardous weather outlook, Jul 15, 5:20 AM EDT, 17 hours 25 minutes before

INZ050-058-059-066-073>075-080-KYZ089>100-OHZ026-034-035-042>046-
051>056-060>065-070>074-077>082-088-151100-

HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE WILMINGTON OH
520 AM EDT TUE JUL 15 2003

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

.DAY ONE...TODAY
A COLD FRONT WILL APPROACH THE AREA TODAY AND PUSH THROUGH TONIGHT.
SHOWERS AND THUNDERSTORMS WILL DEVELOP AHEAD OF THIS FRONT DURING
THE AFTERNOON HOURS AND ACCOMPANY THE FRONT OVERNIGHT. A FEW
ISOLATED THUNDERSTORMS MAY BECOME SEVERE WITH DAMAGINNG WINDS BEING
THE MAIN THREAT.

.DAYS TWO THROUGH SEVEN...WEDNESDAY THROUGH MONDAY
NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION IS NOT ANTICIPATED.

AR

In the hours before

Local storm report, Jul 15, 9:57 PM EDT, 48 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE WILMINGTON, OH
957 PM EDT TUE JUL 15 2003

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

0923 PM    MASON                     OH   FLOOD
07/15/03   WARREN                         WATER OVER ROADWAYS.
                                          REPORTED BY LAW
                                          ENFORCEMENT.

0915 PM    3 N CLEVES                OH   FLOOD
07/15/03   HAMILTON                       WATER OVER ROADWAYS IN
                                          EASTERN PORTION OF COUNTY.
                                          REPORTED BY LAW
                                          ENFORCEMENT.

RLG

Local storm report, Jul 15, 10:37 PM EDT, 8 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE WILMINGTON, OH
1037 PM EDT TUE JUL 15 2003

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

1005 PM    2 S BUTLER                KY   WIND DAMAGE
07/15/03   PENDLETON                      TREES DOWN REPORTED BY
                                          TRAINED SPOTTER.

1025 PM    ASHVILLE                  OH   FLOOD
07/15/03   PICKAWAY                       WATER OVER ROADWAYS
                                          REPORTED BY TRAINED
                                          SPOTTER.

RLG

The office that day

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

Issued	Product	Office	Counties	Lasted
Jul 15, 8:33 PM EDT	Severe Thunderstorm Warning	ILN	Clermont	42 min
Jul 15, 9:11 PM EDT	Tornado Warning	ILN	Clermont	34 min
Jul 15, 9:23 PM EDT	Severe Thunderstorm Warning	ILN	Brown	22 min
Jul 15, 10:26 PM EDT	Severe Thunderstorm Warning	ILN	Hocking	49 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.