Alert archive / Ohio / Tornado Watches in 2003

Tornado Watch 336

May 10, 20034 states

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.

IssuedProductOfficeCountiesLasted
May 10, 11:01 AM ESTSevere Thunderstorm WarningILNBrown44 min
May 10, 11:07 AM ESTSevere Thunderstorm WarningILNFayette23 min
May 10, 11:26 AM ESTSevere Thunderstorm WarningILNUnion64 min
May 10, 11:31 AM ESTSevere Thunderstorm WarningILNAdams59 min
May 10, 11:44 AM ESTSevere Thunderstorm WarningILNWayne61 min
May 10, 11:47 AM ESTSevere Thunderstorm WarningILNPreble58 min
May 10, 11:48 AM ESTFlash Flood WarningILNBrown117 min
May 10, 11:55 AM ESTSevere Thunderstorm WarningILNScioto50 min
May 10, 12:08 PM ESTSevere Thunderstorm WarningILNMontgomery67 min
May 10, 12:11 PM ESTFlash Flood WarningILNAdams, Scioto2 hr
May 10, 12:17 PM ESTFlash Flood WarningINDDelaware, Hancock, Henry, Madison118 min
May 10, 12:27 PM ESTSevere Thunderstorm WarningRLXCabell33 min
May 10, 12:36 PM ESTSevere Thunderstorm WarningILNClark, Greene54 min
May 10, 12:49 PM ESTSevere Thunderstorm WarningINDHenry, Rush41 min
May 10, 1:10 PM ESTSevere Thunderstorm WarningILNFayette, Franklin, Union, Wayne65 min
May 10, 1:44 PM ESTSevere Thunderstorm WarningILNPreble61 min
May 10, 1:56 PM ESTSevere Thunderstorm WarningILNRipley49 min
May 10, 1:57 PM ESTSevere Thunderstorm WarningILNMontgomery63 min
May 10, 2:04 PM ESTSevere Thunderstorm WarningILNDearborn41 min
May 10, 2:08 PM ESTSevere Thunderstorm WarningILNButler, Hamilton67 min
May 10, 2:42 PM ESTFlash Flood WarningILNAdams, Brown, Highland2 hr
May 10, 3:03 PM ESTSevere Thunderstorm WarningILNBracken42 min
May 10, 3:19 PM ESTFlash Flood WarningILNPike, Scioto3 hr
May 10, 3:20 PM ESTSevere Thunderstorm WarningILNMason40 min
May 10, 3:38 PM ESTSevere Thunderstorm WarningILNLewis52 min
May 10, 3:45 PM ESTTornado WarningILNLewis, Mason30 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.

Skew-T log-pSkew-T log-p diagram, Cncnati-Daytn, OH at 12:00Z on 2003-05-10Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 149 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Cncnati-Daytn, OH at 12:00Z on 2003-05-10The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -29 square meters per square second.19395878Sfc1 km3 km6 km9 kmRMLM
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
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

Open this sounding in Storm Lab

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 383,0852

SPC that day

Everything else SPC issued on the same UTC day.

IssuedProductOfficeCountiesLasted
May 9, 8:40 PM ESTMesoscale DiscussionSPCAdams, Allen, Benton, Blackford, Boone, Carroll and 36 more2 hr
May 9, 10:40 PM ESTSevere Thunderstorm WatchSPCAdams, Allen, Benton, Carroll, Cass, DeKalb and 25 more5 hr
May 10, 3:33 AM ESTMesoscale DiscussionSPCBartholomew, Boone, Brown, Clark, Crawford, Daviess and 41 more87 min
May 10, 8:30 AM ESTTornado WatchSPCBartholomew, Boone, Brown, Clay, Daviess, Decatur and 26 more6 hr
May 10, 9:25 AM ESTMesoscale DiscussionSPCCrawford, Dubois, Gibson, Perry, Pike, Posey and 3 more2 hr
May 10, 10:39 AM ESTMesoscale DiscussionSPCBartholomew, Boone, Brown, Clay, Daviess, Decatur and 28 more2 hr
May 10, 10:54 AM ESTMesoscale DiscussionSPCBartholomew, Boone, Brown, Clark, Clay, Crawford and 48 more66 min
May 10, 12:38 PM ESTMesoscale DiscussionSPCBartholomew, Brown, Daviess, Decatur, Greene, Hancock and 16 more97 min
May 10, 1:04 PM ESTMesoscale DiscussionSPCBlackford, Dearborn, Delaware, Fayette, Franklin, Henry and 7 more86 min
May 10, 10:12 AM ESTMesoscale DiscussionSPCBoone, Bracken, Campbell, Greenup, Harrison, Kenton and 4 more2 hr
May 10, 11:41 AM ESTMesoscale DiscussionSPCBell, Breathitt, Clay, Floyd, Harlan, Jackson and 13 more2 hr
May 10, 12:20 PM ESTTornado WatchSPCBell, Boyd, Breathitt, Carter, Clay, Elliott and 19 more6 hr
May 10, 2:27 PM ESTMesoscale DiscussionSPCBell, Boyd, Breathitt, Carter, Clay, Elliott and 20 more93 min
May 10, 2:46 PM ESTMesoscale DiscussionSPCBoyd, Bracken, Campbell, Fleming, Grant, Greenup and 6 more59 min
May 10, 4:56 PM ESTMesoscale DiscussionSPCBoyd, Breathitt, Carter, Elliott, Floyd, Greenup and 10 more94 min
May 10, 5:30 PM ESTTornado WatchSPCBoyd, Breathitt, Carter, Elliott, Floyd, Greenup and 11 more6 hr
May 9, 7:57 PM ESTMesoscale DiscussionSPCAthens, Hocking, Meigs63 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.