Alert archive / Mississippi / Tornado Watches in 2016
Tornado Watch 6
The Storm Prediction Center issued this tornado watch at Jan 21, 2016, 2:14 PM CST for 29 parishes in Louisiana; 32 counties in Mississippi. It was in force for 6 hr.
The area
The outline as issued.
The facts
- Issued
- Jan 21, 2016, 2:14 PM CST (20:14 UTC)
- Expired
- Jan 21, 2016, 8:23 PM CST
- In force
- 6 hr
- Issued by
- the Storm Prediction Center
- Largest hail expected
- 1.5 in
- Strongest gust expected
- 60 kt
All 61 counties
Ascension Parish, LA, Assumption Parish, LA, Catahoula Parish, LA, Concordia Parish, LA, East Baton Rouge Parish, LA, East Feliciana Parish, LA, Iberia Parish, LA, Iberville Parish, LA, Jefferson Parish, LA, Lafayette Parish, LA, Lafourche Parish, LA, Livingston Parish, LA, Orleans Parish, LA, Plaquemines Parish, LA, Pointe Coupee Parish, LA, Saint Bernard Parish, LA, Saint Charles Parish, LA, Saint Helena Parish, LA, Saint James Parish, LA, Saint John the Baptist Parish, LA, Saint Martin Parish, LA, Saint Tammany Parish, LA, St. Mary Parish, LA, Tangipahoa Parish, LA, Tensas Parish, LA, Terrebonne Parish, LA, Washington Parish, LA, West Baton Rouge Parish, LA, West Feliciana Parish, LA, Adams County, MS, Amite County, MS, Claiborne County, MS, Clarke County, MS, Copiah County, MS, Covington County, MS, Forrest County, MS, Franklin County, MS, Hinds County, MS, Jasper County, MS, Jefferson County, MS, Jefferson Davis County, MS, Jones County, MS, Kemper County, MS, Lamar County, MS, Lauderdale County, MS, Lawrence County, MS, Leake County, MS, Lincoln County, MS, Madison County, MS, Marion County, MS, Neshoba County, MS, Newton County, MS, Pearl River County, MS, Pike County, MS, Rankin County, MS, Scott County, MS, Simpson County, MS, Smith County, MS, Walthall County, MS, Warren County, MS, Wilkinson County, MS
What SPC expected
The probabilities SPC published with the watch, for the watch area over its life.
- Two or more tornadoes
- 60%
- One or more EF2 to EF5 tornadoes
- 20%
- Ten or more severe wind reports
- 40%
- One or more gusts of 65 knots or more
- 10%
- Ten or more severe hail reports
- 30%
- One or more hailstones of 2 inches or more
- 10%
- Six or more combined severe hail and wind reports
- 90%
Warnings issued inside it
43 tornado, severe thunderstorm and flash flood warnings for its counties while it was in force.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jan 21, 2:15 PM CST | Severe Thunderstorm Warning | JAN | Concordia | 75 min |
| Jan 21, 2:26 PM CST | Tornado Warning | JAN | Concordia | 64 min |
| Jan 21, 2:28 PM CST | Tornado Warning | LIX | Wilkinson | 47 min |
| Jan 21, 2:32 PM CST | Severe Thunderstorm Warning | JAN | Catahoula, Concordia, Franklin, Tensas | 43 min |
| Jan 21, 2:53 PM CST | Severe Thunderstorm Warning | JAN | Claiborne, Hinds, Warren | 52 min |
| Jan 21, 3:21 PM CST | Tornado Warning | JAN | Adams, Franklin, Jefferson | 54 min |
| Jan 21, 3:34 PM CST | Severe Thunderstorm Warning | JAN | Copiah, Simpson | 41 min |
| Jan 21, 3:39 PM CST | Severe Thunderstorm Warning | JAN | Hinds, Madison | 55 min |
| Jan 21, 3:45 PM CST | Severe Thunderstorm Warning | JAN | Leake, Scott | 45 min |
| Jan 21, 3:59 PM CST | Tornado Warning | JAN | Copiah, Franklin, Jefferson, Lincoln | 61 min |
| Jan 21, 4:03 PM CST | Severe Thunderstorm Warning | JAN | Claiborne, Copiah, Hinds | 43 min |
| Jan 21, 4:09 PM CST | Tornado Warning | LIX | Iberville, Pointe Coupee, West Baton Rouge | 51 min |
| Jan 21, 4:13 PM CST | Tornado Warning | JAN | Copiah, Hinds, Rankin, Simpson | 62 min |
| Jan 21, 4:15 PM CST | Severe Thunderstorm Warning | JAN | Neshoba | 45 min |
| Jan 21, 4:17 PM CST | Tornado Warning | JAN | Copiah, Franklin, Jefferson, Lincoln | 42 min |
| Jan 21, 4:18 PM CST | Severe Thunderstorm Warning | LIX | Pointe Coupee, West Feliciana | 42 min |
| Jan 21, 4:22 PM CST | Tornado Warning | LIX | Pointe Coupee, West Feliciana | 38 min |
| Jan 21, 4:38 PM CST | Tornado Warning | LIX | Plaquemines | 37 min |
| Jan 21, 4:39 PM CST | Tornado Warning | JAN | Copiah, Simpson | 66 min |
| Jan 21, 4:47 PM CST | Tornado Warning | LIX | East Baton Rouge, East Feliciana | 43 min |
| Jan 21, 4:54 PM CST | Severe Thunderstorm Warning | LIX | East Feliciana, West Feliciana | 51 min |
| Jan 21, 5:03 PM CST | Flash Flood Warning | JAN | Copiah, Franklin, Jefferson, Lincoln | 2 hr |
| Jan 21, 5:17 PM CST | Severe Thunderstorm Warning | LIX | Iberville, Pointe Coupee, West Baton Rouge | 28 min |
| Jan 21, 5:17 PM CST | Severe Thunderstorm Warning | JAN | Copiah, Lawrence, Lincoln, Simpson | 47 min |
| Jan 21, 5:25 PM CST | Tornado Warning | LIX | Livingston, Saint Helena, Tangipahoa | 35 min |
| Jan 21, 5:25 PM CST | Severe Thunderstorm Warning | JAN | Rankin, Scott | 65 min |
| Jan 21, 5:27 PM CST | Tornado Warning | JAN | Simpson | 48 min |
| Jan 21, 5:29 PM CST | Severe Thunderstorm Warning | LIX | East Baton Rouge, Livingston, West Baton Rouge | 46 min |
| Jan 21, 5:36 PM CST | Tornado Warning | LIX | Pike | 39 min |
| Jan 21, 5:43 PM CST | Severe Thunderstorm Warning | LIX | Saint Helena, Tangipahoa | 62 min |
| Jan 21, 5:49 PM CST | Tornado Warning | JAN | Newton, Scott | 35 min |
| Jan 21, 5:52 PM CST | Tornado Warning | LIX | Tangipahoa, Washington | 23 min |
| Jan 21, 5:54 PM CST | Severe Thunderstorm Warning | LIX | Livingston, Saint Helena | 51 min |
| Jan 21, 5:54 PM CST | Severe Thunderstorm Warning | JAN | Smith | 53 min |
| Jan 21, 5:56 PM CST | Tornado Warning | LIX | Tangipahoa | 34 min |
| Jan 21, 6:14 PM CST | Tornado Warning | LIX | Washington | 31 min |
| Jan 21, 6:15 PM CST | Severe Thunderstorm Warning | LIX | Washington | 45 min |
| Jan 21, 6:28 PM CST | Severe Thunderstorm Warning | JAN | Marion | 29 min |
| Jan 21, 6:31 PM CST | Severe Thunderstorm Warning | JAN | Jasper | 44 min |
| Jan 21, 6:43 PM CST | Severe Thunderstorm Warning | JAN | Lamar, Marion | 50 min |
| Jan 21, 6:46 PM CST | Tornado Warning | LIX | Washington | 15 min |
| Jan 21, 6:49 PM CST | Tornado Warning | JAN | Covington, Forrest, Jones, Lamar, Marion | 41 min |
| Jan 21, 7:10 PM CST | Severe Thunderstorm Warning | JAN | Clarke, Lauderdale | 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
Jackson, MS (KJAN), launched 12:00Z, 8.2 hours before the alert went out and 138 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
- 551 m above ground
- 0-6 km bulk shear
- 53 kt
- 0-1 km storm-relative helicity
- 173 m²/s²
- 0-3 km storm-relative helicity
- 154 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.1
The text
As transmitted.
716 WWUS20 KWNS 212011 SEL6 SPC WW 212011 LAZ000-MSZ000-CWZ000-220400- URGENT - IMMEDIATE BROADCAST REQUESTED TORNADO WATCH NUMBER 6 NWS STORM PREDICTION CENTER NORMAN OK 215 PM CST THU JAN 21 2016 THE NWS STORM PREDICTION CENTER HAS ISSUED A * TORNADO WATCH FOR PORTIONS OF SOUTHEAST LOUISIANA SOUTHWEST AND CENTRAL MISSISSIPPI COASTAL WATERS * EFFECTIVE THIS THURSDAY AFTERNOON AND EVENING FROM 215 PM UNTIL 1000 PM CST. * PRIMARY THREATS INCLUDE... A FEW TORNADOES LIKELY SCATTERED DAMAGING WIND GUSTS TO 70 MPH POSSIBLE ISOLATED LARGE HAIL EVENTS TO 1.5 INCHES IN DIAMETER POSSIBLE SUMMARY...THUNDERSTORMS WILL DEVELOP AND SPREAD EASTWARD FROM LOUISIANA INTO MISSISSIPPI LATER THIS AFTERNOON AND INTO THIS EVENING. THE STORM ENVIRONMENT WILL BE FAVORABLE FOR THE RISK OF A FEW TORNADOES...DAMAGING GUSTS...AND ISOLATED LARGE HAIL. THE TORNADO WATCH AREA IS APPROXIMATELY ALONG AND 80 STATUTE MILES EAST AND WEST OF A LINE FROM 40 MILES NORTHWEST OF JACKSON MISSISSIPPI TO 30 MILES WEST SOUTHWEST OF HOUMA LOUISIANA. FOR A COMPLETE DEPICTION OF THE WATCH SEE THE ASSOCIATED WATCH OUTLINE UPDATE (WOUS64 KWNS WOU6). PRECAUTIONARY/PREPAREDNESS ACTIONS... 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...CONTINUE...WW 5... AVIATION...TORNADOES AND A FEW SEVERE THUNDERSTORMS WITH HAIL SURFACE AND ALOFT TO 1.5 INCHES. EXTREME TURBULENCE AND SURFACE WIND GUSTS TO 60 KNOTS. A FEW CUMULONIMBI WITH MAXIMUM TOPS TO 450. MEAN STORM MOTION VECTOR 24030. ...THOMPSON
SPC that day
Everything else SPC issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jan 21, 4:40 AM CST | Mesoscale Discussion | SPC | Allen, Beauregard, Bienville, Caddo, De Soto, Grant and 8 more | 95 min |
| Jan 21, 10:59 AM CST | Mesoscale Discussion | SPC | Acadia, Allen, Avoyelles, Beauregard, Calcasieu, Evangeline and 7 more | 2 hr |
| Jan 21, 11:48 AM CST | Tornado Watch | SPC | Acadia, Allen, Avoyelles, Beauregard, Calcasieu, Caldwell and 12 more | 5 hr |
| Jan 21, 1:44 PM CST | Mesoscale Discussion | SPC | Acadia, Allen, Ascension, Assumption, Avoyelles, Beauregard and 29 more | 2 hr |
| Jan 21, 4:57 PM CST | Mesoscale Discussion | SPC | East Feliciana, Saint Helena | 63 min |
| Jan 21, 11:03 AM CST | Mesoscale Discussion | SPC | Attala, Hinds, Leake, Madison, Warren, Yazoo | 87 min |
| Jan 21, 5:29 PM CST | Mesoscale Discussion | SPC | Clarke, George, Greene, Harrison, Jackson, Lauderdale and 3 more | 2 hr |
Nearby
Tornado Watches in Mississippi, 2016Tornado Watches in Louisiana, 2016Every tornado watch in 2016
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.