Alert archive / Ohio / Tornado Watches in 2004
Tornado Watch 906
The Storm Prediction Center issued this tornado watch at Nov 24, 2004, 6:25 PM EST for 4 states. It was in force for 4 hr.
The area
The outline as issued.
The facts
- Issued
- Nov 24, 2004, 6:25 PM EST (23:25 UTC)
- Expired
- Nov 24, 2004, 10:00 PM EST
- In force
- 4 hr
- Issued by
- the Storm Prediction Center
All 67 counties
Dearborn County, IN, Decatur County, IN, Fayette County, IN, Franklin County, IN, Ohio County, IN, Ripley County, IN, Rush County, IN, Switzerland County, IN, Union County, IN, Wayne County, IN, Anderson County, KY, Bath County, KY, Boone County, KY, Bourbon County, KY, Bracken County, KY, Campbell County, KY, Carroll County, KY, Fayette County, KY, Fleming County, KY, Franklin County, KY, Gallatin County, KY, Grant County, KY, Greenup County, KY, Harrison County, KY, Henry County, KY, Kenton County, KY, Lewis County, KY, Mason County, KY, Nicholas County, KY, Owen County, KY, Pendleton County, KY, Robertson County, KY, Scott County, KY, Woodford County, KY, Adams County, OH, Brown County, OH, Butler County, OH, Champaign County, OH, Clark County, OH, Clermont County, OH, Clinton 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, Meigs County, OH, Miami County, OH, Montgomery County, OH, Morrow County, OH, Pickaway County, OH, Pike County, OH, Preble County, OH, Ross County, OH, Scioto County, OH, Union County, OH, Vinton County, OH, Warren County, OH, Mason County, WV
The radar
The Cincinnati radar (KILN), 22 km from the middle of the area, began a volume at 23:33 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
5 tornado, severe thunderstorm and flash flood warnings for its counties while it was in force.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Nov 24, 6:26 PM EST | Severe Thunderstorm Warning | ILN | Fayette, Union | 49 min |
| Nov 24, 6:31 PM EST | Tornado Warning | ILN | Preble | 29 min |
| Nov 24, 6:46 PM EST | Severe Thunderstorm Warning | ILN | Miami | 44 min |
| Nov 24, 7:00 PM EST | Severe Thunderstorm Warning | ILN | Highland | 45 min |
| Nov 24, 7:44 PM EST | Severe Thunderstorm Warning | ILN | Pickaway, Ross | 46 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, 11.4 hours before the alert went out and 20 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
- 581 m above ground
- 0-6 km bulk shear
- 52 kt
- 0-1 km storm-relative helicity
- 151 m²/s²
- 0-3 km storm-relative helicity
- 169 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
163
WWUS20 KWNS 242324
SEL6
SPC WW 242325
INZ000-KYZ000-OHZ000-250300-
URGENT - IMMEDIATE BROADCAST REQUESTED
TORNADO WATCH NUMBER 906
NWS STORM PREDICTION CENTER NORMAN OK
625 PM EST WED NOV 24 2004
THE NWS STORM PREDICTION CENTER HAS ISSUED A
TORNADO WATCH FOR PORTIONS OF
SOUTHEAST INDIANA
NORTH CENTRAL KENTUCKY
CENTRAL AND SOUTHERN OHIO
EFFECTIVE THIS WEDNESDAY EVENING FROM 625 PM UNTIL 1000 PM EST.
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 90 STATUTE MILES EITHER SIDE
OF A LINE FROM 20 MILES NORTH OF DAYTON OHIO TO 65 MILES EAST
NORTHEAST OF LEXINGTON KENTUCKY.
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...THIS TORNADO WATCH REPLACES TORNADO
WATCH NUMBER 903. WATCH NUMBER 903 WILL NOT BE IN EFFECT AFTER 625
PM EST. CONTINUE...WW 904...WW 905...
DISCUSSION...SEVERAL LOW-TOPPED SUPERCELLS CONTINUE TO MOVE NEWD
ALONG STRONG THERMAL GRADIENT AHEAD OF STRONG LOW PRESSURE SYSTEM.
THIS BOUNDARY EXTENDS SW-NE ACROSS SERN INDIANA INTO CENTRAL OH AND
IS ENHANCING LOW LEVEL SHEAR/STREAMWISE VORTICITY TO THESE STORMS.
REMAINDER OF ACTIVITY IS ASSOCIATED WITH WEAKER SQUALL LINE THAT IS
MOVING EWD AT AROUND 40 KT AND COULD PRODUCE SOME DAMAGING WINDS
DURING THE NEXT SEVERAL HOURS.
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 400.
MEAN STORM MOTION VECTOR 23040.
...MCCARTHY
404,0823 385,0815 375,0850 394,0854SPC that day
Everything else SPC issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Nov 24, 7:50 AM EST | Mesoscale Discussion | SPC | Jasper, Lake, LaPorte, Newton, Porter, Saint Joseph and 1 more | 5 hr |
| Nov 24, 11:16 AM EST | Mesoscale Discussion | SPC | Posey, Vanderburgh | 2 hr |
| Nov 24, 12:30 PM EST | Tornado Watch | SPC | Dubois, Gibson, Pike, Posey, Spencer, Vanderburgh and 1 more | 6 hr |
| Nov 24, 1:31 PM EST | Mesoscale Discussion | SPC | Benton, Elkhart, Fulton, Jasper, Kosciusko, LaGrange and 12 more | 5 hr |
| Nov 24, 1:55 PM EST | Mesoscale Discussion | SPC | Bartholomew, Clark, Crawford, Dearborn, Decatur, Dubois and 20 more | 95 min |
| Nov 24, 2:25 PM EST | Tornado Watch | SPC | Bartholomew, Brown, Clark, Crawford, Dearborn, Decatur and 16 more | 5 hr |
| Nov 24, 3:56 PM EST | Mesoscale Discussion | SPC | Bartholomew, Brown, Clark, Dearborn, Decatur, Dubois and 20 more | 2 hr |
| Nov 24, 6:02 PM EST | Mesoscale Discussion | SPC | Bartholomew, Brown, Clark, Crawford, Dearborn, Decatur and 12 more | 28 min |
Nearby
Tornado Watches in Ohio, 2004Tornado Watches in Kentucky, 2004Tornado Watches in Indiana, 2004Every tornado watch in 2004
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.