Alert archive / Kentucky / Mesoscale Discussions in 2004
Mesoscale Discussion 960
The Storm Prediction Center issued this mesoscale discussion at May 27, 2004, 10:39 PM EDT for 21 counties in Kentucky; Lawrence County, Ohio; 8 counties in West Virginia. It was in force for 96 min.
The area
The outline as issued.
The facts
- Issued
- May 27, 2004, 10:39 PM EDT (02:39 UTC)
- Expired
- May 28, 2004, 12:15 AM EDT
- In force
- 96 min
- Issued by
- the Storm Prediction Center
All 30 counties
Anderson County, KY, Bath County, KY, Bourbon County, KY, Boyd County, KY, Carter County, KY, Elliott County, KY, Fayette County, KY, Fleming County, KY, Franklin County, KY, Greenup County, KY, Harrison County, KY, Lewis County, KY, Mason County, KY, Montgomery County, KY, Nicholas County, KY, Robertson County, KY, Rowan County, KY, Scott County, KY, Shelby County, KY, Spencer County, KY, Woodford County, KY, Lawrence County, OH, Braxton County, WV, Cabell County, WV, Clay County, WV, Kanawha County, WV, Putnam County, WV, Randolph County, WV, Roane County, WV, Webster County, WV
The radar
The Jackson,KY radar (KJKL), 85 km from the middle of the area, began a volume at 02:39 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.
The nearest sounding before it
Cncnati-Daytn, OH (KILN), launched 00:00Z, 2.7 hours before the alert went out and 130 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
- 290 J/kg
- Mixed-layer CIN
- -54 J/kg
- Mixed-layer LCL
- 1105 m above ground
- 0-6 km bulk shear
- 67 kt
- 0-1 km storm-relative helicity
- 197 m²/s²
- 0-3 km storm-relative helicity
- 353 m²/s²
- Significant tornado parameter
- 0.5
- Supercell composite
- 5.0
The text
As transmitted, in the capitals the NWS used until 2016.
349 ACUS11 KWNS 280240 SWOMCD SPC MCD 280239 WVZ000-OHZ000-KYZ000-280415- MESOSCALE DISCUSSION 0960 NWS STORM PREDICTION CENTER NORMAN OK 0939 PM CDT THU MAY 27 2004 AREAS AFFECTED...NERN KY INTO CNTRL WV CONCERNING...TORNADO WATCH 315... VALID 280239Z - 280415Z A DAMAGING WIND AND ISOLD TORNADO THREATS WILL CONTINUE THROUGH ABOUT 0400 UTC. A COUPLE OF WELL-DEVELOPED BOW ECHOES ARE TRAVERSING THE VALID PORTIONS OF TORNADO WATCH 315. ONE WAS MOVING ACROSS THE CNTRL MOUNTAINS OF WV IN RANDOLPH AND POCAHONTAS COUNTIES AND THE OTHER WAS JUST EAST OF LEXINGTON KY. AIR MASS ACROSS NERN KY AND PARTS OF CNTRL WV HAVE BEEN UNTOUCHED BY CONVECTION THIS EVENING AND LIKELY IS FAVORABLE FOR ADDITIONAL TSTMS TO DEVELOP THROUGH LATE EVENING. CHARLESTON WV VAD WIND PROFILE SUGGEST NEAR 26 KTS OF 0-1KM SHEAR AND ANY TSTM THAT CAN DEVELOP AHEAD OF THE BOWS MAY BE CAPABLE OF A TORNADO OR TWO. OTHERWISE...LINEARITY OF THE ONGOING TSTMS SUGGESTS WIND DAMAGE WILL BE THE PRIMARY THREATS. MOST OF THE ACTIVITY SHOULD MOVE INTO ADJACENT TORNADO WATCH 318 BY 0400 UTC. AT THAT TIME...AN EARLY CANCELLATION OF TORNADO WATCH 315 COULD OCCUR. ..RACY.. 05/28/2004 ...PLEASE SEE WWW.SPC.NOAA.GOV FOR GRAPHIC PRODUCT... ATTN...WFO...RLX...JKL...ILN...LMK... 37878533 38408534 38618385 38937972 38437976
SPC that day
Everything else SPC issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 27, 8:12 PM EDT | Mesoscale Discussion | SPC | Allen, Ballard, Barren, Breckinridge, Bullitt, Butler and 37 more | 93 min |
| May 27, 8:40 PM EDT | Tornado Watch | SPC | Breckinridge, Bullitt, Butler, Caldwell, Crittenden, Daviess and 17 more | 5 hr |
| May 27, 9:53 PM EDT | Mesoscale Discussion | SPC | Boyle, Breathitt, Casey, Clay, Estill, Floyd and 21 more | 97 min |
| May 27, 10:30 PM EDT | Tornado Watch | SPC | Bell, Boyle, Breathitt, Casey, Clay, Clinton and 30 more | 6 hr |
| May 27, 11:27 PM EDT | Mesoscale Discussion | SPC | Breckinridge, Bullitt, Butler, Caldwell, Crittenden, Daviess and 16 more | 93 min |
| May 28, 12:17 AM EDT | Mesoscale Discussion | SPC | Anderson, Bath, Bell, Bourbon, Boyd, Boyle and 50 more | 58 min |
| May 27, 8:15 PM EDT | Severe Thunderstorm Watch | SPC | Butler, Champaign, Clark, Clinton, Darke, Delaware and 19 more | 5 hr |
| May 28, 12:29 PM EDT | Mesoscale Discussion | SPC | Athens, Belmont, Fairfield, Franklin, Gallia, Guernsey and 15 more | 3 hr |
| May 27, 9:01 PM EDT | Mesoscale Discussion | SPC | Berkeley, Grant, Hampshire, Hardy, Jefferson, Mineral and 2 more | 89 min |
Nearby
Mesoscale Discussions in Kentucky, 2004Mesoscale Discussions in West Virginia, 2004Mesoscale Discussions in Ohio, 2004Every mesoscale discussion 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.