Alert archive / Ohio / Tornado Watches in 2003
Tornado Watch 944
The Storm Prediction Center issued this tornado watch at Nov 12, 2003, 3:20 PM EST for 9 counties in Indiana; 41 counties in Ohio; Jackson County, West Virginia. It was in force for 6 hr.
The area
The outline as issued.
The facts
- Issued
- Nov 12, 2003, 3:20 PM EST (20:20 UTC)
- Expired
- Nov 12, 2003, 9:00 PM EST
- In force
- 6 hr
- Issued by
- the Storm Prediction Center
All 51 counties
Adams County, IN, Dearborn County, IN, Fayette County, IN, Franklin County, IN, Jay County, IN, Randolph County, IN, Union County, IN, Wayne County, IN, Wells County, IN, Athens County, OH, Auglaize County, OH, Butler County, OH, Champaign County, OH, Clark County, OH, Clermont County, OH, Clinton County, OH, Coshocton County, OH, Darke County, OH, Delaware County, OH, Fairfield County, OH, Fayette County, OH, Franklin County, OH, Greene County, OH, Hamilton County, OH, Hardin County, OH, Highland County, OH, Hocking County, OH, Holmes County, OH, Jackson County, OH, Knox County, OH, Licking County, OH, Logan County, OH, Madison County, OH, Marion County, OH, Meigs County, OH, Mercer County, OH, Miami County, OH, Montgomery County, OH, Morgan County, OH, Morrow County, OH, Muskingum County, OH, Perry County, OH, Pickaway County, OH, Pike County, OH, Preble County, OH, Ross County, OH, Shelby County, OH, Union County, OH, Vinton County, OH, Warren County, OH, Jackson County, WV
The radar
The Cincinnati radar (KILN), 63 km from the middle of the area, began a volume at 20:20 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.
Warnings issued inside it
7 tornado, severe thunderstorm and flash flood warnings for its counties while it was in force.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Nov 12, 5:23 PM EST | Severe Thunderstorm Warning | CLE | Crawford, Marion | 67 min |
| Nov 12, 5:43 PM EST | Severe Thunderstorm Warning | ILN | Logan, Union | 47 min |
| Nov 12, 5:47 PM EST | Severe Thunderstorm Warning | ILN | Logan, Union | 43 min |
| Nov 12, 5:49 PM EST | Severe Thunderstorm Warning | CLE | Morrow, Richland | 56 min |
| Nov 12, 6:00 PM EST | Tornado Warning | CLE | Crawford, Morrow | 30 min |
| Nov 12, 7:23 PM EST | Severe Thunderstorm Warning | CLE | Holmes | 37 min |
| Nov 12, 7:28 PM EST | Severe Thunderstorm Warning | PBZ | Coshocton | 62 min |
Discussions around it
SPC mesoscale discussions over the same counties from four hours before the watch to its end.
The nearest sounding before it
Cncnati-Daytn, OH (KILN), launched 12:00Z, 8.3 hours before the alert went out and 62 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
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 604 m above ground
- 0-6 km bulk shear
- 98 kt
- 0-1 km storm-relative helicity
- 50 m²/s²
- 0-3 km storm-relative helicity
- 120 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
000
WWUS20 KWNS 122018
SEL4
SPC WW 122020
INZ000-OHZ000-130200-
URGENT - IMMEDIATE BROADCAST REQUESTED
TORNADO WATCH NUMBER 944
NWS STORM PREDICTION CENTER NORMAN OK
320 PM EST WED NOV 12 2003
THE NWS STORM PREDICTION CENTER HAS ISSUED A
TORNADO WATCH FOR PORTIONS OF
SOUTHEAST INDIANA
SOUTHERN OHIO
EFFECTIVE THIS WEDNESDAY AFTERNOON AND EVENING FROM 320 PM UNTIL
900 PM EST.
TORNADOES...HAIL TO 2 INCHES IN DIAMETER...THUNDERSTORM WIND GUSTS
TO 80 MPH...AND DANGEROUS LIGHTNING ARE POSSIBLE IN THESE AREAS.
THE TORNADO WATCH AREA IS ALONG AND 60 STATUTE MILES NORTH AND
SOUTH OF A LINE FROM 55 MILES WEST OF DAYTON OHIO TO 25 MILES
SOUTHEAST OF ZANESVILLE OHIO.
REMEMBER...A TORNADO WATCH MEANS CONDITIONS ARE FAVORABLE FOR
TORNADOES AND SEVERE THUNDERSTORMS IN AND CLOSE TO THE WATCH AREA.
PERSONS IN THESE AREAS SHOULD BE ON THE LOOKOUT FOR THREATENING
WEATHER CONDITIONS AND LISTEN FOR LATER STATEMENTS AND POSSIBLE
WARNINGS.
OTHER WATCH INFORMATION...CONTINUE...WW 943...
DISCUSSION...STORMS EXPECTED TO DEVELOP RAPIDLY VICINITY WRN OH/IN
BORDER AHEAD OF STRONG TROUGH AND VIGOROUS JET. WITH SUFFICIENT
INSTABILITY AVAILABLE...ALONG WITH 200-300 J/KG HELICITY...TORNADIC
SUPERCELLS ARE POSSIBLE AS THE ACTIVITY DEVELOPS RAPIDLY EWD ACROSS
SRN OH.
AVIATION...TORNADOES AND A FEW SEVERE THUNDERSTORMS WITH HAIL
SURFACE AND ALOFT TO 2 INCHES. EXTREME TURBULENCE AND SURFACE WIND
GUSTS TO 70 KNOTS. A FEW CUMULONIMBI WITH MAXIMUM TOPS TO 500.
MEAN STORM MOTION VECTOR 26050.
...HALES
404,0851 403,0813 384,0813 390,0851SPC that day
Everything else SPC issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Nov 12, 12:45 PM EST | Mesoscale Discussion | SPC | Adams, Allen, DeKalb, Huntington, Kosciusko, LaGrange and 5 more | 3 hr |
| Nov 12, 2:36 PM EST | Mesoscale Discussion | SPC | Bartholomew, Brown, Clark, Crawford, Dearborn, Decatur and 20 more | 2 hr |
| Nov 12, 3:26 PM EST | Mesoscale Discussion | SPC | Adams, Allen, Blackford, DeKalb, Delaware, Jay and 2 more | 2 hr |
| Nov 12, 6:13 PM EST | Mesoscale Discussion | SPC | Adams, Dearborn, Fayette, Franklin, Jay, Randolph and 3 more | 2 hr |
| Nov 12, 1:50 PM EST | Severe Thunderstorm Watch | SPC | Allen, Ashland, Ashtabula, Carroll, Columbiana, Crawford and 30 more | 5 hr |
| Nov 12, 4:40 PM EST | Tornado Watch | SPC | Ashland, Ashtabula, Columbiana, Crawford, Cuyahoga, Erie and 19 more | 5 hr |
Nearby
Tornado Watches in Ohio, 2003Tornado Watches in Indiana, 2003Tornado Watches in West Virginia, 2003Every tornado watch 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.