Alert archive / Ohio / Tornado Watches in 2003
Tornado Watch 336
The Storm Prediction Center issued this tornado watch at May 10, 2003, 11:00 AM EST for 4 states. It was in force for 5 hr.
The area
The outline as issued.
The facts
- Issued
- May 10, 2003, 11:00 AM EST (16:00 UTC)
- Expired
- May 10, 2003, 4:00 PM EST
- In force
- 5 hr
- Issued by
- the Storm Prediction Center
All 58 counties
Blackford County, IN, Dearborn County, IN, Delaware County, IN, Fayette County, IN, Franklin County, IN, Henry County, IN, Jay County, IN, Ohio County, IN, Randolph County, IN, Ripley County, IN, Switzerland County, IN, Union County, IN, Wayne County, IN, Boone County, KY, Bracken County, KY, Campbell County, KY, Carroll County, KY, Gallatin County, KY, Grant County, KY, Greenup County, KY, Kenton County, KY, Lewis County, KY, Mason County, KY, Pendleton County, KY, Adams County, OH, Brown County, OH, Butler County, OH, Champaign County, OH, Clark County, OH, Clermont County, OH, Clinton County, OH, Darke County, OH, Delaware County, OH, Fairfield County, OH, Fayette County, OH, Franklin County, OH, Gallia County, OH, Greene County, OH, Hamilton County, OH, Highland County, OH, Hocking County, OH, Jackson County, OH, Lawrence County, OH, Licking County, OH, Madison County, OH, Miami County, OH, Montgomery County, OH, Perry County, OH, Pickaway County, OH, Pike County, OH, Preble County, OH, Ross County, OH, Scioto County, OH, Shelby County, OH, Union County, OH, Vinton County, OH, Warren County, OH, Cabell County, WV
The radar
The Cincinnati radar (KILN), 36 km from the middle of the area, began a volume at 16:04 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
26 tornado, severe thunderstorm and flash flood warnings for its counties while it was in force.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 10, 11:01 AM EST | Severe Thunderstorm Warning | ILN | Brown | 44 min |
| May 10, 11:07 AM EST | Severe Thunderstorm Warning | ILN | Fayette | 23 min |
| May 10, 11:26 AM EST | Severe Thunderstorm Warning | ILN | Union | 64 min |
| May 10, 11:31 AM EST | Severe Thunderstorm Warning | ILN | Adams | 59 min |
| May 10, 11:44 AM EST | Severe Thunderstorm Warning | ILN | Wayne | 61 min |
| May 10, 11:47 AM EST | Severe Thunderstorm Warning | ILN | Preble | 58 min |
| May 10, 11:48 AM EST | Flash Flood Warning | ILN | Brown | 117 min |
| May 10, 11:55 AM EST | Severe Thunderstorm Warning | ILN | Scioto | 50 min |
| May 10, 12:08 PM EST | Severe Thunderstorm Warning | ILN | Montgomery | 67 min |
| May 10, 12:11 PM EST | Flash Flood Warning | ILN | Adams, Scioto | 2 hr |
| May 10, 12:17 PM EST | Flash Flood Warning | IND | Delaware, Hancock, Henry, Madison | 118 min |
| May 10, 12:27 PM EST | Severe Thunderstorm Warning | RLX | Cabell | 33 min |
| May 10, 12:36 PM EST | Severe Thunderstorm Warning | ILN | Clark, Greene | 54 min |
| May 10, 12:49 PM EST | Severe Thunderstorm Warning | IND | Henry, Rush | 41 min |
| May 10, 1:10 PM EST | Severe Thunderstorm Warning | ILN | Fayette, Franklin, Union, Wayne | 65 min |
| May 10, 1:44 PM EST | Severe Thunderstorm Warning | ILN | Preble | 61 min |
| May 10, 1:56 PM EST | Severe Thunderstorm Warning | ILN | Ripley | 49 min |
| May 10, 1:57 PM EST | Severe Thunderstorm Warning | ILN | Montgomery | 63 min |
| May 10, 2:04 PM EST | Severe Thunderstorm Warning | ILN | Dearborn | 41 min |
| May 10, 2:08 PM EST | Severe Thunderstorm Warning | ILN | Butler, Hamilton | 67 min |
| May 10, 2:42 PM EST | Flash Flood Warning | ILN | Adams, Brown, Highland | 2 hr |
| May 10, 3:03 PM EST | Severe Thunderstorm Warning | ILN | Bracken | 42 min |
| May 10, 3:19 PM EST | Flash Flood Warning | ILN | Pike, Scioto | 3 hr |
| May 10, 3:20 PM EST | Severe Thunderstorm Warning | ILN | Mason | 40 min |
| May 10, 3:38 PM EST | Severe Thunderstorm Warning | ILN | Lewis | 52 min |
| May 10, 3:45 PM EST | Tornado Warning | ILN | Lewis, Mason | 30 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, 4.0 hours before the alert went out and 36 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
- 149 J/kg
- Mixed-layer CIN
- -36 J/kg
- Mixed-layer LCL
- 754 m above ground
- 0-6 km bulk shear
- 66 kt
- 0-1 km storm-relative helicity
- -29 m²/s²
- 0-3 km storm-relative helicity
- 14 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- -0.1
The text
As transmitted, in the capitals the NWS used until 2016.
000
WWUS20 KWNS 101554
SEL6
SPC WW 101600
INZ000-KYZ000-OHZ000-102100-
URGENT - IMMEDIATE BROADCAST REQUESTED
TORNADO WATCH NUMBER 336
NWS STORM PREDICTION CENTER NORMAN OK
1200 PM EDT SAT MAY 10 2003
THE NWS STORM PREDICTION CENTER HAS ISSUED A
TORNADO WATCH FOR PORTIONS OF
EASTERN INDIANA
NORTHERN KENTUCKY
CENTRAL AND SOUTHERN OHIO
EFFECTIVE THIS SATURDAY AFTERNOON FROM 1200 PM UNTIL 500 PM EDT.
TORNADOES...HAIL TO 2 INCHES IN DIAMETER...THUNDERSTORM WIND GUSTS
TO 70 MPH...AND DANGEROUS LIGHTNING ARE POSSIBLE IN THESE AREAS.
THE TORNADO WATCH AREA IS ALONG AND 65 STATUTE MILES NORTH AND
SOUTH OF A LINE FROM 45 MILES SOUTH OF MUNCIE INDIANA TO 5 MILES
NORTHEAST OF ATHENS 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 334...WW 335...
DISCUSSION...COMPLEX OF SEVERE STORMS OVER CENTRAL INTO AND EASTERN
IL WILL CONTINUE TO TRACK EASTWARD INTO SOUTHWEST OH DURING THE NEXT
SEVERAL HOURS. WARM FRONT IS LIFTING NORTHWARD ACROSS THE
REGION...RAPIDLY DESTABILIZING THE AIRMASS. DAMAGING WINDS AND
LARGE HAIL WILL BE POSSIBLE...AS WELL AS ISOLATED TORNADOES IN
BOWHEADS AND NEAR SURFACE WARM FRONT.
AVIATION...TORNADOES AND A FEW SEVERE THUNDERSTORMS WITH HAIL
SURFACE AND ALOFT TO 2 INCHES. EXTREME TURBULENCE AND SURFACE WIND
GUSTS TO 60 KNOTS. A FEW CUMULONIMBI WITH MAXIMUM TOPS TO 500.
MEAN STORM MOTION VECTOR 26035.
...HART
403,0852 401,0820 381,0820 383,0852
WWUS20 KWNS 101554
SEL6
SPC WW 101600
INZ000-KYZ000-OHZ000-102100-
URGENT - IMMEDIATE BROADCAST REQUESTED
TORNADO WATCH NUMBER 336
NWS STORM PREDICTION CENTER NORMAN OK
1200 PM EDT SAT MAY 10 2003
THE NWS STORM PREDICTION CENTER HAS ISSUED A
TORNADO WATCH FOR PORTIONS OF
EASTERN INDIANA
NORTHERN KENTUCKY
CENTRAL AND SOUTHERN OHIO
EFFECTIVE THIS SATURDAY AFTERNOON FROM 1200 PM UNTIL 500 PM EDT.
TORNADOES...HAIL TO 2 INCHES IN DIAMETER...THUNDERSTORM WIND GUSTS
TO 70 MPH...AND DANGEROUS LIGHTNING ARE POSSIBLE IN THESE AREAS.
THE TORNADO WATCH AREA IS ALONG AND 65 STATUTE MILES NORTH AND
SOUTH OF A LINE FROM 45 MILES SOUTH OF MUNCIE INDIANA TO 5 MILES
NORTHEAST OF ATHENS 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 334...WW 335...
DISCUSSION...COMPLEX OF SEVERE STORMS OVER CENTRAL INTO AND EASTERN
IL WILL CONTINUE TO TRACK EASTWARD INTO SOUTHWEST OH DURING THE NEXT
SEVERAL HOURS. WARM FRONT IS LIFTING NORTHWARD ACROSS THE
REGION...RAPIDLY DESTABILIZING THE AIRMASS. DAMAGING WINDS AND
LARGE HAIL WILL BE POSSIBLE...AS WELL AS ISOLATED TORNADOES IN
BOWHEADS AND NEAR SURFACE WARM FRONT.
AVIATION...TORNADOES AND A FEW SEVERE THUNDERSTORMS WITH HAIL
SURFACE AND ALOFT TO 2 INCHES. EXTREME TURBULENCE AND SURFACE WIND
GUSTS TO 60 KNOTS. A FEW CUMULONIMBI WITH MAXIMUM TOPS TO 500.
MEAN STORM MOTION VECTOR 26035.
...HART
403,0852 401,0820 381,0820 383,0852SPC that day
Everything else SPC issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 9, 8:40 PM EST | Mesoscale Discussion | SPC | Adams, Allen, Benton, Blackford, Boone, Carroll and 36 more | 2 hr |
| May 9, 10:40 PM EST | Severe Thunderstorm Watch | SPC | Adams, Allen, Benton, Carroll, Cass, DeKalb and 25 more | 5 hr |
| May 10, 3:33 AM EST | Mesoscale Discussion | SPC | Bartholomew, Boone, Brown, Clark, Crawford, Daviess and 41 more | 87 min |
| May 10, 8:30 AM EST | Tornado Watch | SPC | Bartholomew, Boone, Brown, Clay, Daviess, Decatur and 26 more | 6 hr |
| May 10, 9:25 AM EST | Mesoscale Discussion | SPC | Crawford, Dubois, Gibson, Perry, Pike, Posey and 3 more | 2 hr |
| May 10, 10:39 AM EST | Mesoscale Discussion | SPC | Bartholomew, Boone, Brown, Clay, Daviess, Decatur and 28 more | 2 hr |
| May 10, 10:54 AM EST | Mesoscale Discussion | SPC | Bartholomew, Boone, Brown, Clark, Clay, Crawford and 48 more | 66 min |
| May 10, 12:38 PM EST | Mesoscale Discussion | SPC | Bartholomew, Brown, Daviess, Decatur, Greene, Hancock and 16 more | 97 min |
| May 10, 1:04 PM EST | Mesoscale Discussion | SPC | Blackford, Dearborn, Delaware, Fayette, Franklin, Henry and 7 more | 86 min |
| May 10, 10:12 AM EST | Mesoscale Discussion | SPC | Boone, Bracken, Campbell, Greenup, Harrison, Kenton and 4 more | 2 hr |
| May 10, 11:41 AM EST | Mesoscale Discussion | SPC | Bell, Breathitt, Clay, Floyd, Harlan, Jackson and 13 more | 2 hr |
| May 10, 12:20 PM EST | Tornado Watch | SPC | Bell, Boyd, Breathitt, Carter, Clay, Elliott and 19 more | 6 hr |
| May 10, 2:27 PM EST | Mesoscale Discussion | SPC | Bell, Boyd, Breathitt, Carter, Clay, Elliott and 20 more | 93 min |
| May 10, 2:46 PM EST | Mesoscale Discussion | SPC | Boyd, Bracken, Campbell, Fleming, Grant, Greenup and 6 more | 59 min |
| May 10, 4:56 PM EST | Mesoscale Discussion | SPC | Boyd, Breathitt, Carter, Elliott, Floyd, Greenup and 10 more | 94 min |
| May 10, 5:30 PM EST | Tornado Watch | SPC | Boyd, Breathitt, Carter, Elliott, Floyd, Greenup and 11 more | 6 hr |
| May 9, 7:57 PM EST | Mesoscale Discussion | SPC | Athens, Hocking, Meigs | 63 min |
Nearby
Tornado Watches in Ohio, 2003Tornado Watches in Indiana, 2003Tornado Watches in Kentucky, 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.