Alert archive / Mississippi / Mesoscale Discussions in 2008
Mesoscale Discussion 49
The Storm Prediction Center issued this mesoscale discussion at Jan 10, 2008, 1:42 PM CST for 4 states. It was in force for 93 min.
The area
The outline as issued.
The facts
- Issued
- Jan 10, 2008, 1:42 PM CST (19:42 UTC)
- Expired
- Jan 10, 2008, 3:15 PM CST
- In force
- 93 min
- Issued by
- the Storm Prediction Center
All 90 counties
Choctaw County, AL, Clarke County, AL, Colbert County, AL, Cullman County, AL, Fayette County, AL, Franklin County, AL, Greene County, AL, Hale County, AL, Lamar County, AL, Lauderdale County, AL, Lawrence County, AL, Limestone County, AL, Marengo County, AL, Marion County, AL, Morgan County, AL, Pickens County, AL, Sumter County, AL, Tuscaloosa County, AL, Walker County, AL, Washington County, AL, Winston County, AL, Ascension Parish, LA, East Baton Rouge Parish, LA, East Feliciana Parish, LA, Iberville Parish, LA, Livingston Parish, LA, Pointe Coupee Parish, LA, Saint Helena Parish, LA, Saint John the Baptist Parish, LA, Saint Tammany Parish, LA, Tangipahoa Parish, LA, Washington Parish, LA, West Baton Rouge Parish, LA, West Feliciana Parish, LA, Alcorn County, MS, Amite County, MS, Attala County, MS, Chickasaw County, MS, Choctaw County, MS, Clarke County, MS, Clay County, MS, Copiah County, MS, Covington County, MS, Forrest County, MS, Franklin County, MS, Greene County, MS, Itawamba County, MS, Jasper County, MS, Jefferson Davis County, MS, Jones County, MS, Kemper County, MS, Lamar County, MS, Lauderdale County, MS, Lawrence County, MS, Leake County, MS, Lee County, MS, Lincoln County, MS, Lowndes County, MS, Madison County, MS, Marion County, MS, Monroe County, MS, Neshoba County, MS, Newton County, MS, Noxubee County, MS, Oktibbeha County, MS, Pearl River County, MS, Perry County, MS, Pike County, MS, Pontotoc County, MS, Prentiss County, MS, Rankin County, MS, Scott County, MS, Simpson County, MS, Smith County, MS, Tishomingo County, MS, Union County, MS, Walthall County, MS, Wayne County, MS, Webster County, MS, Winston County, MS, Decatur County, TN, Giles County, TN, Hardin County, TN, Lawrence County, TN, Lewis County, TN, Marshall County, TN, Maury County, TN, McNairy County, TN, Perry County, TN, Wayne County, TN
The radar
The Columbus AFB radar (KGWX), 51 km from the middle of the area, began a volume at 19:44 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
Birmingham, AL (KBMX), launched 12:00Z, 7.7 hours before the alert went out and 179 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
- 261 J/kg
- Mixed-layer CIN
- -34 J/kg
- Mixed-layer LCL
- 621 m above ground
- 0-6 km bulk shear
- 41 kt
- 0-1 km storm-relative helicity
- 162 m²/s²
- 0-3 km storm-relative helicity
- 132 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.5
The text
As transmitted, in the capitals the NWS used until 2016.
000 ACUS11 KWNS 101942 SWOMCD SPC MCD 101942 TNZ000-ALZ000-MSZ000-LAZ000-102115- MESOSCALE DISCUSSION 0049 NWS STORM PREDICTION CENTER NORMAN OK 0142 PM CST THU JAN 10 2008 AREAS AFFECTED...SRN AND ERN MS/SERN LA/WRN AL/PARTS OF SRN TN CONCERNING...TORNADO WATCH 16...17... VALID 101942Z - 102115Z THE SEVERE WEATHER THREAT FOR TORNADO WATCH 16...17...CONTINUES. SEVERE/TORNADO THREAT REMAINS WIDESPREAD/ONGOING ACROSS WW 16 AND PORTIONS OF WW 17 ATTM. LATEST REGIONAL RADAR LOOP SHOWS MULTIPLE SEVERE STORMS AND SEVERAL SUPERCELLS ONGOING ATTM...MOVING GENERALLY NEWD. MOST SIGNIFICANT/WIDESPREAD ACTIVITY EXTENDS ACROSS CENTRAL MS AND VICINITY ATTM...WHERE SUFFICIENTLY-UNSTABLE AND STRONGLY-SHEARED ENVIRONMENT REMAINS IN PLACE. OTHER SEVERE STORMS EXTEND SWWD INTO SWRN LA...AND NEWD ACROSS MIDDLE TN INTO SWRN KY. THREAT WILL CONTINUE FOR SEVERAL HOURS...GRADUALLY SHIFTING NEWD ACROSS MIDDLE TN AND INTO MUCH OF AL. ..GOSS.. 01/10/2008 ...PLEASE SEE WWW.SPC.NOAA.GOV FOR GRAPHIC PRODUCT... ATTN...WFO...OHX...BMX...HUN...MOB...MEG...JAN...LIX...LCH... 35758808 35778655 33868681 31538780 30079056 30349195 33518946 35188871
SPC that day
Everything else SPC issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jan 10, 9:23 AM CST | Mesoscale Discussion | SPC | Bibb, Blount, Colbert, Cullman, Fayette, Franklin and 13 more | 67 min |
| Jan 10, 11:33 AM CST | Tornado Watch | SPC | Baldwin, Bibb, Blount, Choctaw, Clarke, Colbert and 27 more | 9 hr |
| Jan 10, 3:05 PM CST | Mesoscale Discussion | SPC | Autauga, Bibb, Blount, Calhoun, Cherokee, Chilton and 40 more | 115 min |
| Jan 10, 3:42 PM CST | Mesoscale Discussion | SPC | Bibb, Blount, Chilton, Choctaw, Clarke, Colbert and 30 more | 93 min |
| Jan 10, 5:16 PM CST | Tornado Watch | SPC | Autauga, Barbour, Bullock, Butler, Calhoun, Chambers and 27 more | 8 hr |
| Jan 10, 5:25 PM CST | Mesoscale Discussion | SPC | Autauga, Baldwin, Bibb, Blount, Chilton, Choctaw and 32 more | 95 min |
| Jan 10, 3:25 AM CST | Mesoscale Discussion | SPC | Bienville, Bossier, Caddo, Claiborne, De Soto, East Carroll and 10 more | 2 hr |
| Jan 10, 7:17 AM CST | Mesoscale Discussion | SPC | Acadia, Allen, Ascension, Assumption, Avoyelles, Beauregard and 43 more | 118 min |
| Jan 10, 7:46 AM CST | Tornado Watch | SPC | Avoyelles, Catahoula, Concordia, East Baton Rouge, East Carroll, East Feliciana and 14 more | 8 hr |
| Jan 10, 10:11 AM CST | Mesoscale Discussion | SPC | Concordia, East Baton Rouge, East Feliciana, Pointe Coupee, Saint Helena, Tangipahoa and 3 more | 64 min |
| Jan 10, 12:09 PM CST | Mesoscale Discussion | SPC | Avoyelles, Concordia, East Baton Rouge, East Feliciana, Livingston, Pointe Coupee and 6 more | 96 min |
| Jan 10, 7:52 AM CST | Mesoscale Discussion | SPC | Cannon, Cheatham, Clay, Davidson, DeKalb, Dickson and 14 more | 113 min |
Nearby
Mesoscale Discussions in Mississippi, 2008Mesoscale Discussions in Alabama, 2008Mesoscale Discussions in Louisiana, 2008Every mesoscale discussion in 2008
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.