Alert archive / Mississippi / Tornado Watches in 2016
Tornado Watch 65
The Storm Prediction Center issued this tornado watch at Mar 30, 2016, 10:00 PM CDT for 6 counties in Arkansas; 22 parishes in Louisiana; 24 counties in Mississippi. It was in force for 6 hr.
The area
The outline as issued.
The facts
- Issued
- Mar 30, 2016, 10:00 PM CDT (03:00 UTC)
- Expired
- Mar 31, 2016, 4:20 AM CDT
- In force
- 6 hr
- Issued by
- the Storm Prediction Center
- Largest hail expected
- 1 in
- Strongest gust expected
- 60 kt
All 52 counties
Ashley County, AR, Bradley County, AR, Chicot County, AR, Desha County, AR, Drew County, AR, Union County, AR, Bienville Parish, LA, Caldwell Parish, LA, Catahoula Parish, LA, Claiborne Parish, LA, Concordia Parish, LA, East Carroll Parish, LA, Franklin Parish, LA, Grant Parish, LA, Jackson Parish, LA, LaSalle Parish, LA, Lincoln Parish, LA, Madison Parish, LA, Morehouse Parish, LA, Natchitoches Parish, LA, Ouachita Parish, LA, Red River Parish, LA, Richland Parish, LA, Sabine Parish, LA, Tensas Parish, LA, Union Parish, LA, West Carroll Parish, LA, Winn Parish, LA, Adams County, MS, Attala County, MS, Bolivar County, MS, Carroll County, MS, Choctaw County, MS, Claiborne County, MS, Copiah County, MS, Franklin County, MS, Grenada County, MS, Hinds County, MS, Holmes County, MS, Humphreys County, MS, Issaquena County, MS, Jefferson County, MS, Leflore County, MS, Madison County, MS, Montgomery County, MS, Rankin County, MS, Sharkey County, MS, Sunflower County, MS, Warren County, MS, Washington County, MS, Webster County, MS, Yazoo County, MS
The radar
The Jackson/Brandon,MS radar (KDGX), 163 km from the middle of the area, began a volume at 03:02 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.
What SPC expected
The probabilities SPC published with the watch, for the watch area over its life.
- Two or more tornadoes
- 50%
- One or more EF2 to EF5 tornadoes
- 20%
- Ten or more severe wind reports
- 60%
- One or more gusts of 65 knots or more
- 5%
- Ten or more severe hail reports
- 30%
- One or more hailstones of 2 inches or more
- 5%
- Six or more combined severe hail and wind reports
- 80%
Warnings issued inside it
13 tornado, severe thunderstorm and flash flood warnings for its counties while it was in force.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Mar 30, 10:25 PM CDT | Flash Flood Warning | LZK | Arkansas, Bradley, Desha, Drew, Lincoln | 3 hr |
| Mar 30, 10:36 PM CDT | Severe Thunderstorm Warning | JAN | Ashley | 39 min |
| Mar 30, 10:53 PM CDT | Flash Flood Warning | JAN | Ashley, Chicot | 4 hr |
| Mar 30, 11:02 PM CDT | Severe Thunderstorm Warning | JAN | East Carroll | 58 min |
| Mar 30, 11:03 PM CDT | Flash Flood Warning | SHV | Union | 3 hr |
| Mar 30, 11:06 PM CDT | Severe Thunderstorm Warning | LZK | Desha, Drew | 38 min |
| Mar 30, 11:08 PM CDT | Tornado Warning | JAN | Chicot | 52 min |
| Mar 30, 11:09 PM CDT | Tornado Warning | LZK | Desha, Drew | 51 min |
| Mar 30, 11:15 PM CDT | Flash Flood Warning | LZK | Bradley, Calhoun, Clark, Cleveland, Dallas, Hot Spring and 1 more | 3 hr |
| Mar 31, 12:18 AM CDT | Flash Flood Warning | JAN | Bolivar, Sunflower, Washington | 6 hr |
| Mar 31, 1:30 AM CDT | Flash Flood Warning | LZK | Arkansas, Cleveland, Desha, Jefferson, Lincoln | 6 hr |
| Mar 31, 1:37 AM CDT | Severe Thunderstorm Warning | JAN | Humphreys, Yazoo | 34 min |
| Mar 31, 3:00 AM CDT | Flash Flood Warning | JAN | Humphreys, Leflore, Sunflower, Washington | 4 hr |
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 00:00Z, 3.0 hours before the alert went out and 154 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
- 213 J/kg
- Mixed-layer CIN
- -113 J/kg
- Mixed-layer LCL
- 871 m above ground
- 0-6 km bulk shear
- 37 kt
- 0-1 km storm-relative helicity
- 166 m²/s²
- 0-3 km storm-relative helicity
- 303 m²/s²
- Significant tornado parameter
- 0.1
- Supercell composite
- 2.8
The text
As transmitted.
206 WWUS20 KWNS 310257 SEL5 SPC WW 310257 ARZ000-LAZ000-MSZ000-311000- URGENT - IMMEDIATE BROADCAST REQUESTED TORNADO WATCH NUMBER 65 NWS STORM PREDICTION CENTER NORMAN OK 1000 PM CDT WED MAR 30 2016 THE NWS STORM PREDICTION CENTER HAS ISSUED A * TORNADO WATCH FOR PORTIONS OF SOUTHEAST ARKANSAS NORTHERN LOUISIANA WESTERN AND CENTRAL MISSISSIPPI * EFFECTIVE THIS WEDNESDAY NIGHT AND THURSDAY MORNING FROM 1000 PM UNTIL 500 AM CDT. * PRIMARY THREATS INCLUDE... A FEW TORNADOES POSSIBLE SCATTERED DAMAGING WIND GUSTS TO 70 MPH LIKELY ISOLATED LARGE HAIL EVENTS TO 1 INCH IN DIAMETER POSSIBLE SUMMARY...CLUSTERS OF THUNDERSTORMS...INCLUDING A FEW SUPERCELLS AND OTHER LONG-LIVED STRUCTURES WITH A THREAT FOR OCCASIONAL TORNADOES AND LOCALLY DAMAGING WIND...EXPECTED TO MOVE / DEVELOP GENERALLY EAST-NORTHEAST ACROSS WATCH AREA THROUGH EARLY THURSDAY. THE TORNADO WATCH AREA IS APPROXIMATELY ALONG AND 90 STATUTE MILES EAST AND WEST OF A LINE FROM 30 MILES NORTHEAST OF GREENVILLE MISSISSIPPI TO 10 MILES SOUTH SOUTHWEST OF ALEXANDRIA LOUISIANA. FOR A COMPLETE DEPICTION OF THE WATCH SEE THE ASSOCIATED WATCH OUTLINE UPDATE (WOUS64 KWNS WOU5). 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 60...WW 63...WW 64... AVIATION...TORNADOES AND A FEW SEVERE THUNDERSTORMS WITH HAIL SURFACE AND ALOFT TO 1 INCH. EXTREME TURBULENCE AND SURFACE WIND GUSTS TO 60 KNOTS. A FEW CUMULONIMBI WITH MAXIMUM TOPS TO 500. MEAN STORM MOTION VECTOR 24040. ...CORFIDI
SPC that day
Everything else SPC issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Mar 30, 7:44 PM CDT | Severe Thunderstorm Watch | SPC | Benton | 4 hr |
| Mar 30, 8:37 PM CDT | Mesoscale Discussion | SPC | Benton | 53 min |
| Mar 30, 8:39 PM CDT | Mesoscale Discussion | SPC | Ashley, Bradley, Chicot, Desha, Drew, Lincoln and 1 more | 96 min |
| Mar 30, 11:30 PM CDT | Mesoscale Discussion | SPC | Chicot, Desha | 60 min |
| Mar 31, 10:26 AM CDT | Mesoscale Discussion | SPC | Arkansas, Cleveland, Craighead, Crittenden, Cross, Dallas and 14 more | 3 hr |
| Mar 31, 10:58 AM CDT | Severe Thunderstorm Watch | SPC | Clay, Craighead, Crittenden, Cross, Greene, Jackson and 9 more | 5 hr |
| Mar 31, 1:30 PM CDT | Mesoscale Discussion | SPC | Chicot | 2 hr |
| Mar 31, 2:05 PM CDT | Severe Thunderstorm Watch | SPC | Arkansas, Ashley, Bradley, Calhoun, Chicot, Cleveland and 7 more | 8 hr |
| Mar 31, 2:14 PM CDT | Mesoscale Discussion | SPC | Crittenden, Cross | 91 min |
| Mar 31, 2:35 PM CDT | Tornado Watch | SPC | Lee, Phillips | 7 hr |
| Mar 31, 3:04 AM CDT | Mesoscale Discussion | SPC | East Feliciana, Pointe Coupee, Saint Helena, Tangipahoa, Washington, West Feliciana | 86 min |
| Mar 31, 3:20 AM CDT | Tornado Watch | SPC | East Baton Rouge, East Feliciana, Livingston, Pointe Coupee, Saint Helena, Saint Tammany and 4 more | 6 hr |
| Mar 31, 3:30 PM CDT | Mesoscale Discussion | SPC | Ascension, East Baton Rouge, East Feliciana, Iberville, Livingston, Pointe Coupee and 6 more | 2 hr |
| Mar 31, 5:22 PM CDT | Mesoscale Discussion | SPC | Caldwell, Catahoula, East Carroll, Franklin, Grant, Jackson and 9 more | 53 min |
| Mar 31, 7:47 AM CDT | Mesoscale Discussion | SPC | Covington, Forrest, Greene, Jefferson Davis, Jones, Lamar and 3 more | 58 min |
| Mar 31, 8:43 AM CDT | Tornado Watch | SPC | George, Greene, Perry, Stone | 5 hr |
| Mar 31, 4:47 PM CDT | Mesoscale Discussion | SPC | Alcorn, Attala, Benton, Bolivar, Calhoun, Carroll and 55 more | 58 min |
| Mar 31, 5:58 PM CDT | Tornado Watch | SPC | Wayne | 7 hr |
| Mar 31, 6:52 PM CDT | Mesoscale Discussion | SPC | Alcorn, Calhoun, Chickasaw, Choctaw, Clarke, Clay and 29 more | 53 min |
Nearby
Tornado Watches in Mississippi, 2016Tornado Watches in Louisiana, 2016Tornado Watches in Arkansas, 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; radar from the NEXRAD Level II archive.