Alert archive / Tennessee / Mesoscale Discussions in 2004
Mesoscale Discussion 1010
The Storm Prediction Center issued this mesoscale discussion at May 31, 2004, 1:06 AM CDT for 4 states. It was in force for 84 min.
The area
The outline as issued.
The facts
- Issued
- May 31, 2004, 1:06 AM CDT (06:06 UTC)
- Expired
- May 31, 2004, 2:30 AM CDT
- In force
- 84 min
- Issued by
- the Storm Prediction Center
All 48 counties
Blount County, AL, Cullman County, AL, DeKalb County, AL, Etowah County, AL, Fayette County, AL, Franklin County, AL, Jackson County, AL, Lamar County, AL, Lawrence County, AL, Limestone County, AL, Madison County, AL, Marion County, AL, Marshall County, AL, Morgan County, AL, St. Clair County, AL, Walker County, AL, Winston County, AL, Dade County, GA, Monroe County, MS, Bedford County, TN, Bledsoe County, TN, Cannon County, TN, Clay County, TN, Coffee County, TN, Cumberland County, TN, DeKalb County, TN, Fentress County, TN, Franklin County, TN, Giles County, TN, Grundy County, TN, Jackson County, TN, Lincoln County, TN, Macon County, TN, Marion County, TN, Marshall County, TN, Moore County, TN, Overton County, TN, Pickett County, TN, Putnam County, TN, Rutherford County, TN, Sequatchie County, TN, Smith County, TN, Sumner County, TN, Trousdale County, TN, Van Buren County, TN, Warren County, TN, White County, TN, Wilson County, TN
The radar
The Northeast Alabama radar (KHTX), 92 km from the middle of the area, began a volume at 06:06 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 watches that followed
Watches SPC issued over any of the same counties within four hours of this discussion.
The nearest sounding before it
Nashville Metro, TN (KBNA), launched 00:00Z, 6.1 hours before the alert went out and 145 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
- 2491 J/kg
- Mixed-layer CIN
- -6 J/kg
- Mixed-layer LCL
- 1127 m above ground
- 0-6 km bulk shear
- 40 kt
- 0-1 km storm-relative helicity
- 192 m²/s²
- 0-3 km storm-relative helicity
- 257 m²/s²
- Significant tornado parameter
- 2.8
- Supercell composite
- 16.0
The text
As transmitted, in the capitals the NWS used until 2016.
021 ACUS11 KWNS 310606 SWOMCD SPC MCD 310606 KYZ000-TNZ000-GAZ000-ALZ000-MSZ000-310730- MESOSCALE DISCUSSION 1010 NWS STORM PREDICTION CENTER NORMAN OK 0106 AM CDT MON MAY 31 2004 AREAS AFFECTED...MIDDLE TN CONCERNING...TORNADO WATCH 345... VALID 310606Z - 310730Z ...SITUATION ACROSS MIDDLE AND ERN TN REMAINS DANGEROUS EARLY TODAY WITH EXTREME WINDS AND TORNADOES LIKELY... SEVERE LINEAR CONVECTIVE COMPLEXES CONTINUE TO RACE EAST AND SOUTHEAST ACROSS MIDDLE TN EARLY TODAY. SQUALL LINE BOUNDARY INTERSECTION AND HEIGHTENED TORNADO THREAT MAY CURRENTLY EXIST FROM BEDFORD COUNTY INTO COFFEE...WARREN...AND GRUNDY COUNTIES OVER THE NEXT HOUR AS POTENTIAL DEEP CIRCULATION AND ENHANCED CONVERGENCE ASSOCIATED WITH THE SQUALL LINE INTERSECTION DEVELOPS EWD ACROSS THESE AREAS. RECENT SIGNIFICANT WINDS TO 70 MPH WERE REPORTED WITH THIS FEATURE OVER MARSHALL COUNTY. THIS CIRCULATION MAY FURTHER STRENGTHEN REAR INFLOW JET INTO THE BOWING LINE MOVING EAST AT 50-60KT FROM WRN FRANKLIN COUNTY TO MARION AND HAMILTON COUNTIES IN THE NEXT HOUR. ..CARBIN.. 05/31/2004 ...PLEASE SEE WWW.SPC.NOAA.GOV FOR GRAPHIC PRODUCT... ATTN...WFO...MRX...JKL...FFC...LMK...OHX...BMX...HUN...MEG...JAN... 33758909 34828751 36718638 36658448 33668601
SPC that day
Everything else SPC issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 30, 8:54 PM CDT | Mesoscale Discussion | SPC | Colbert, Franklin, Lamar, Lauderdale, Lawrence, Limestone and 2 more | 66 min |
| May 30, 9:15 PM CDT | Tornado Watch | SPC | Blount, Colbert, Cullman, DeKalb, Etowah, Fayette and 13 more | 7 hr |
| May 30, 11:05 PM CDT | Mesoscale Discussion | SPC | Colbert, Franklin, Jackson, Lauderdale, Lawrence, Limestone and 4 more | 55 min |
| May 31, 12:40 AM CDT | Tornado Watch | SPC | Cherokee | 5 hr |
| May 31, 3:40 AM CDT | Mesoscale Discussion | SPC | Cherokee | 95 min |
| May 31, 3:45 AM CDT | Tornado Watch | SPC | Autauga, Bibb, Calhoun, Chambers, Chilton, Clay and 17 more | 5 hr |
| May 31, 5:31 AM CDT | Mesoscale Discussion | SPC | Autauga, Bibb, Calhoun, Chambers, Chilton, Clay and 17 more | 119 min |
| May 31, 9:21 AM CDT | Mesoscale Discussion | SPC | Baldwin, Coffee, Conecuh, Covington, Crenshaw, Dale and 8 more | 54 min |
| May 31, 10:00 AM CDT | Tornado Watch | SPC | Baldwin, Coffee, Conecuh, Covington, Dale, Escambia and 5 more | 6 hr |
| May 31, 1:06 PM CDT | Mesoscale Discussion | SPC | Baldwin, Coffee, Conecuh, Covington, Dale, Escambia and 5 more | 54 min |
| May 31, 3:30 PM CDT | Tornado Watch | SPC | Dale, Geneva, Henry, Houston | 4 hr |
| May 31, 8:10 AM CDT | Severe Thunderstorm Watch | SPC | Burke, Columbia, Elbert, Glascock, Greene, Hancock and 12 more | 5 hr |
| May 31, 10:18 AM CDT | Mesoscale Discussion | SPC | Appling, Atkinson, Bacon, Brantley, Bryan, Bulloch and 27 more | 27 min |
| May 31, 10:40 AM CDT | Severe Thunderstorm Watch | SPC | Appling, Atkinson, Bacon, Brantley, Bryan, Bulloch and 25 more | 6 hr |
| May 31, 1:27 PM CDT | Mesoscale Discussion | SPC | Atkinson, Brantley, Chatham, Clinch, Echols, Lanier and 6 more | 63 min |
| May 31, 2:10 PM CDT | Severe Thunderstorm Watch | SPC | Camden, Charlton | 5 hr |
| May 31, 5:28 PM CDT | Mesoscale Discussion | SPC | Camden, Charlton | 92 min |
| May 31, 5:59 PM CDT | Mesoscale Discussion | SPC | Ben Hill, Berrien, Brooks, Colquitt, Cook, Irwin and 5 more | 61 min |
| May 31, 6:30 PM CDT | Tornado Watch | SPC | Charlton, Echols | 4 hr |
| May 30, 8:55 PM CDT | Mesoscale Discussion | SPC | Adams, Amite, Claiborne, Copiah, Franklin, Hinds and 10 more | 65 min |
| May 30, 10:35 PM CDT | Tornado Watch | SPC | Issaquena | 5 hr |
| May 30, 10:55 PM CDT | Tornado Watch | SPC | Alcorn, Attala, Benton, Bolivar, Calhoun, Carroll and 31 more | 5 hr |
| May 31, 1:27 AM CDT | Mesoscale Discussion | SPC | Attala, Choctaw, Holmes, Humphreys, Issaquena, Madison and 4 more | 2 hr |
Nearby
Mesoscale Discussions in Tennessee, 2004Mesoscale Discussions in Alabama, 2004Mesoscale Discussions in Georgia, 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.