Alert archive / Kentucky / Mesoscale Discussions in 2003
Mesoscale Discussion 385
The Storm Prediction Center issued this mesoscale discussion at Apr 5, 2003, 1:34 AM CST for 4 states. It was in force for 86 min.
The area
The outline as issued.
The facts
- Issued
- Apr 5, 2003, 1:34 AM CST (07:34 UTC)
- Expired
- Apr 5, 2003, 3:00 AM CST
- In force
- 86 min
- Issued by
- the Storm Prediction Center
All 132 counties
Adair County, KY, Allen County, KY, Anderson County, KY, Barren County, KY, Bath County, KY, Bell County, KY, Bourbon County, KY, Boyd County, KY, Boyle County, KY, Bracken County, KY, Breathitt County, KY, Carter County, KY, Casey County, KY, Clark County, KY, Clay County, KY, Clinton County, KY, Cumberland County, KY, Elliott County, KY, Estill County, KY, Fayette County, KY, Fleming County, KY, Floyd County, KY, Franklin County, KY, Garrard County, KY, Green County, KY, Greenup County, KY, Harrison County, KY, Hart County, KY, Jackson County, KY, Jessamine County, KY, Johnson County, KY, Knott County, KY, Knox County, KY, Larue County, KY, Laurel County, KY, Lawrence County, KY, Lee County, KY, Leslie County, KY, Lewis County, KY, Lincoln County, KY, Madison County, KY, Magoffin County, KY, Marion County, KY, Martin County, KY, Mason County, KY, McCreary County, KY, Menifee County, KY, Mercer County, KY, Metcalfe County, KY, Montgomery County, KY, Morgan County, KY, Nicholas County, KY, Owsley County, KY, Pendleton County, KY, Perry County, KY, Powell County, KY, Pulaski County, KY, Robertson County, KY, Rockcastle County, KY, Rowan County, KY, Russell County, KY, Scott County, KY, Taylor County, KY, Washington County, KY, Wayne County, KY, Whitley County, KY, Wolfe County, KY, Woodford County, KY, Adams County, OH, Athens County, OH, Belmont County, OH, Brown County, OH, Carroll County, OH, Columbiana County, OH, Coshocton County, OH, Fairfield County, OH, Gallia County, OH, Guernsey County, OH, Harrison County, OH, Highland County, OH, Hocking County, OH, Holmes County, OH, Jackson County, OH, Jefferson County, OH, Lawrence County, OH, Licking County, OH, Mahoning County, OH, Meigs County, OH, Monroe County, OH, Morgan County, OH, Muskingum County, OH, Noble County, OH, Perry County, OH, Pickaway County, OH, Pike County, OH, Ross County, OH, Scioto County, OH, Stark County, OH, Tuscarawas County, OH, Vinton County, OH, Washington County, OH, Wayne County, OH, Allegheny County, PA, Armstrong County, PA, Beaver County, PA, Butler County, PA, Clearfield County, PA, Greene County, PA, Indiana County, PA, Lawrence County, PA, Washington County, PA, Westmoreland County, PA, Brooke County, WV, Cabell County, WV, Calhoun County, WV, Doddridge County, WV, Hancock County, WV, Jackson County, WV, Lincoln County, WV, Marion County, WV, Marshall County, WV, Mason County, WV, Ohio County, WV, Pleasants County, WV, Putnam County, WV, Ritchie County, WV, Roane County, WV, Tyler County, WV, Wayne County, WV, Wetzel County, WV, Wirt County, WV, Wood County, WV
The radar
The Cincinnati radar (KILN), 104 km from the middle of the area, began a volume at 07:37 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, 7.6 hours before the alert went out and 104 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
- 628 J/kg
- Mixed-layer CIN
- -3 J/kg
- Mixed-layer LCL
- 1237 m above ground
- 0-6 km bulk shear
- 40 kt
- 0-1 km storm-relative helicity
- 160 m²/s²
- 0-3 km storm-relative helicity
- 223 m²/s²
- Significant tornado parameter
- 0.4
- Supercell composite
- 4.2
The text
As transmitted, in the capitals the NWS used until 2016.
077 ACUS11 KWNS 050735 SWOMCD SPC MCD 050734 PAZ000-WVZ000-OHZ000-KYZ000-050900- MESOSCALE DISCUSSION 0385 NWS STORM PREDICTION CENTER NORMAN OK 0134 AM CST SAT APR 05 2003 AREAS AFFECTED...ERN OH/WRN PA SWWD INTO ERN KY/WRN WV CONCERNING...SEVERE THUNDERSTORM WATCH 91... VALID 050734Z - 050900Z THE THREAT OF PRIMARILY WIND DAMAGE WILL CONTINUE ACROSS SRN HALF OF WW0091 THROUGH 09 OR 10Z. REGIONAL RADAR DATA SHOW SQUALL LINE EXTENDING FROM FAR WRN PA SWWD INTO CNTRL KY /20 E LEX/ AND THEN INTO CNTRL TN. ALTHOUGH STRONG FORCING FOR ASCENT ASSOCIATED WITH MID-LEVEL SHORTWAVE AND ASSOCIATED 80 KT 500 MB JET STREAK EXISTS ACROSS E-CNTRL OH/WRN PA...AIRMASS HAS BEEN STABILIZED BY CONVECTIVE OUTFLOW. FARTHER S...DYNAMIC FORCING IS NOT AS STRONG...HOWEVER AIRMASS AHEAD OF CONVECTIVE LINE REMAINS MARGINALLY UNSTABLE WITH SBCAPES OF AROUND 500 J/KG. VWP/S ACROSS ERN KY INTO WRN WV CONTINUE TO INDICATE FAVORABLE LOW-LEVEL VEERING AND DEEP-LAYER SHEAR FOR ORGANIZED TSTMS...INCLUDING POSSIBLE SUPERCELLS EMBEDDED IN THE LINE. THUS...IT APPEARS THAT THE GREATEST THREAT OF DAMAGING WINDS/ISOLATED LARGE HAIL WILL CONTINUE FROM SRN OH INTO ERN KY THROUGH 09 OR 10Z. ..MEAD.. 04/05/2003 ...PLEASE SEE WWW.SPC.NOAA.GOV FOR GRAPHIC PRODUCT... ATTN...WFO...CTP...PBZ...RLX...CLE...JKL...ILN...LMK... 36878647 38438470 40488231 40998172 41098154 41088096 41067968 41087896 41067832 39827985 38008211 37188298 36728353 36728464 36728592 36748655 37228608
SPC that day
Everything else SPC issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Apr 4, 7:07 PM CST | Mesoscale Discussion | SPC | Ballard, Caldwell, Calloway, Carlisle, Christian, Crittenden and 16 more | 83 min |
| Apr 4, 9:00 PM CST | Mesoscale Discussion | SPC | Adair, Allen, Anderson, Barren, Boone, Bourbon and 61 more | 90 min |
| Apr 4, 9:20 PM CST | Tornado Watch | SPC | Boone, Breckinridge, Bullitt, Butler, Caldwell, Calloway and 39 more | 5 hr |
| Apr 4, 10:38 PM CST | Mesoscale Discussion | SPC | Adair, Allen, Anderson, Barren, Bath, Boone and 74 more | 97 min |
| Apr 4, 11:05 PM CST | Severe Thunderstorm Watch | SPC | Adair, Anderson, Barren, Bath, Bourbon, Boyd and 57 more | 5 hr |
| Apr 4, 6:01 PM CST | Mesoscale Discussion | SPC | Darke, Mercer, Preble | 59 min |
| Apr 4, 6:30 PM CST | Tornado Watch | SPC | Allen, Auglaize, Champaign, Crawford, Darke, Hardin and 9 more | 6 hr |
Nearby
Mesoscale Discussions in Kentucky, 2003Mesoscale Discussions in Ohio, 2003Mesoscale Discussions in West Virginia, 2003Every mesoscale discussion 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.