Alert archive / Mississippi / Tornado Watches in 2014
Tornado Watch 30
The Storm Prediction Center issued this tornado watch at Mar 16, 2014, 4:51 AM CDT for 4 states. It was in force for 7 hr.
The area
The outline as issued.
The facts
- Issued
- Mar 16, 2014, 4:51 AM CDT (09:51 UTC)
- Expired
- Mar 16, 2014, 12:00 PM CDT
- In force
- 7 hr
- Issued by
- the Storm Prediction Center
- Largest hail expected
- 1 in
- Strongest gust expected
- 65 kt
All 34 counties
Baldwin County, AL, Butler County, AL, Choctaw County, AL, Clarke County, AL, Conecuh County, AL, Covington County, AL, Crenshaw County, AL, Escambia County, AL, Mobile County, AL, Monroe County, AL, Washington County, AL, Wilcox County, AL, Escambia County, FL, Okaloosa County, FL, Santa Rosa County, FL, Saint Tammany Parish, LA, Tangipahoa Parish, LA, Washington Parish, LA, Clarke County, MS, Covington County, MS, Forrest County, MS, George County, MS, Greene County, MS, Hancock County, MS, Harrison County, MS, Jackson County, MS, Jones County, MS, Lamar County, MS, Marion County, MS, Pearl River County, MS, Perry County, MS, Stone County, MS, Walthall County, MS, Wayne County, MS
The radar
The Mobile radar (KMOB), 64 km from the middle of the area, began a volume at 09:52 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
- 40%
- One or more EF2 to EF5 tornadoes
- 20%
- Ten or more severe wind reports
- 20%
- One or more gusts of 65 knots or more
- 30%
- Ten or more severe hail reports
- 5%
- One or more hailstones of 2 inches or more
- 5%
- Six or more combined severe hail and wind reports
- 60%
Warnings issued inside it
26 tornado, severe thunderstorm and flash flood warnings for its counties while it was in force.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Mar 16, 5:02 AM CDT | Severe Thunderstorm Warning | JAN | Forrest, Jones, Lamar, Marion | 58 min |
| Mar 16, 5:06 AM CDT | Tornado Warning | MOB | Choctaw, Clarke | 24 min |
| Mar 16, 5:08 AM CDT | Severe Thunderstorm Warning | LIX | Washington | 67 min |
| Mar 16, 5:25 AM CDT | Tornado Warning | JAN | Lamar, Marion | 35 min |
| Mar 16, 5:30 AM CDT | Tornado Warning | MOB | Clarke | 30 min |
| Mar 16, 5:52 AM CDT | Tornado Warning | JAN | Forrest | 23 min |
| Mar 16, 5:53 AM CDT | Severe Thunderstorm Warning | MOB | Washington | 52 min |
| Mar 16, 6:00 AM CDT | Tornado Warning | MOB | Clarke, Wilcox | 45 min |
| Mar 16, 6:31 AM CDT | Tornado Warning | MOB | Washington | 44 min |
| Mar 16, 7:03 AM CDT | Tornado Warning | LIX | Saint Tammany | 27 min |
| Mar 16, 7:09 AM CDT | Flash Flood Warning | MOB | Mobile | 3 hr |
| Mar 16, 7:11 AM CDT | Flash Flood Warning | MOB | Perry | 3 hr |
| Mar 16, 7:24 AM CDT | Severe Thunderstorm Warning | LIX | Hancock, Harrison, Jackson | 51 min |
| Mar 16, 7:41 AM CDT | Flash Flood Warning | MOB | Baldwin, Mobile | 4 hr |
| Mar 16, 7:46 AM CDT | Severe Thunderstorm Warning | MOB | Baldwin, Mobile | 44 min |
| Mar 16, 7:59 AM CDT | Tornado Warning | MOB | Baldwin, Mobile | 31 min |
| Mar 16, 8:18 AM CDT | Tornado Warning | MOB | Escambia | 27 min |
| Mar 16, 8:28 AM CDT | Severe Thunderstorm Warning | MOB | Mobile | 62 min |
| Mar 16, 8:37 AM CDT | Tornado Warning | MOB | Conecuh, Covington | 38 min |
| Mar 16, 8:42 AM CDT | Severe Thunderstorm Warning | MOB | Escambia, Santa Rosa | 33 min |
| Mar 16, 9:01 AM CDT | Flash Flood Warning | MOB | Baldwin, Conecuh, Escambia | 29 min |
| Mar 16, 9:25 AM CDT | Tornado Warning | MOB | Okaloosa, Santa Rosa | 50 min |
| Mar 16, 9:49 AM CDT | Flash Flood Warning | MOB | Covington, Escambia | 3 hr |
| Mar 16, 10:08 AM CDT | Severe Thunderstorm Warning | MOB | Baldwin | 52 min |
| Mar 16, 10:19 AM CDT | Severe Thunderstorm Warning | MOB | Okaloosa, Santa Rosa | 26 min |
| Mar 16, 11:02 AM CDT | Severe Thunderstorm Warning | MOB | Okaloosa, Santa Rosa | 58 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
Slidell Radar S, LA (KSIL), launched 00:00Z, 9.9 hours before the alert went out and 141 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
- 72 J/kg
- Mixed-layer CIN
- -7 J/kg
- Mixed-layer LCL
- 645 m above ground
- 0-6 km bulk shear
- 61 kt
- 0-1 km storm-relative helicity
- 233 m²/s²
- 0-3 km storm-relative helicity
- 197 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.1
The text
As transmitted, in the capitals the NWS used until 2016.
938 WWUS20 KWNS 160953 SEL0 SPC WW 160953 ALZ000-FLZ000-LAZ000-MSZ000-CWZ000-161700- URGENT - IMMEDIATE BROADCAST REQUESTED TORNADO WATCH NUMBER 30 NWS STORM PREDICTION CENTER NORMAN OK 455 AM CDT SUN MAR 16 2014 THE NWS STORM PREDICTION CENTER HAS ISSUED A * TORNADO WATCH FOR PORTIONS OF SOUTHERN ALABAMA EXTREME WESTERN PANHANDLE OF FLORIDA SMALL PART OF SOUTHEASTERN LOUISIANA SOUTHEASTERN MISSISSIPPI COASTAL WATERS * EFFECTIVE THIS SUNDAY MORNING FROM 455 AM UNTIL NOON CDT. * PRIMARY THREATS INCLUDE... SEVERAL TORNADOES POSSIBLE A FEW SIGNIFICANT DAMAGING WIND GUSTS TO 75 MPH POSSIBLE THE TORNADO WATCH AREA IS APPROXIMATELY ALONG AND 55 STATUTE MILES EITHER SIDE OF A LINE FROM 35 MILES NORTH NORTHWEST OF SLIDELL LOUISIANA TO 35 MILES EAST SOUTHEAST OF EVERGREEN ALABAMA. FOR A COMPLETE DEPICTION OF THE WATCH SEE THE ASSOCIATED WATCH OUTLINE UPDATE (WOUS64 KWNS WOU0). 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. && DISCUSSION...BAND OF TSTMS ACROSS PORTIONS SRN MS AND SERN LA IS GRADUALLY BECOMING BETTER ORGANIZED AS IT MOVES INTO MRGLLY FAVORABLE NEAR-SFC AIR MASS THAT IS FCST TO DESTABILIZE FURTHER THROUGH REMAINDER MORNING. ADDITIONAL DISCRETE/CLUSTERED DEVELOPMENT HAS BEEN GROWING E OF THAT LINE AS WELL...WITHIN REGIME OF MORE BACKED SFC WINDS ALONG AND S OF MARINE FRONT. LARGE LOW-LEVEL HODOGRAPHS AND FAVORABLE DEEP SHEAR EACH SUGGEST POTENTIAL FOR QLCS VORTICES WITH DAMAGING GUSTS AND A TORNADO OR TWO POSSIBLE...AND AT LEAST TRANSIENT SUPERCELLS MAY EVOLVE FROM TSTMS AHEAD OF MAIN LINE. AVIATION...TORNADOES AND A FEW SEVERE THUNDERSTORMS WITH HAIL SURFACE AND ALOFT TO 1 INCH. EXTREME TURBULENCE AND SURFACE WIND GUSTS TO 65 KNOTS. A FEW CUMULONIMBI WITH MAXIMUM TOPS TO 450. MEAN STORM MOTION VECTOR 24035. ...EDWARDS
SPC that day
Everything else SPC issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Mar 16, 4:20 AM CDT | Mesoscale Discussion | SPC | Mobile, Washington | 115 min |
| Mar 16, 6:31 AM CDT | Mesoscale Discussion | SPC | Baldwin, Clarke, Escambia, Mobile, Monroe, Washington and 1 more | 89 min |
| Mar 16, 7:51 AM CDT | Mesoscale Discussion | SPC | Coffee, Geneva, Houston | 84 min |
| Mar 16, 8:59 AM CDT | Tornado Watch | SPC | Barbour, Coffee, Dale, Geneva, Henry, Houston and 1 more | 8 hr |
| Mar 16, 10:27 AM CDT | Mesoscale Discussion | SPC | Houston | 93 min |
| Mar 16, 1:02 PM CDT | Mesoscale Discussion | SPC | Hamilton | 118 min |
| Mar 16, 2:55 PM CDT | Mesoscale Discussion | SPC | Lafayette, Taylor, Wakulla | 95 min |
| Mar 16, 1:42 AM CDT | Mesoscale Discussion | SPC | Ascension, East Baton Rouge, East Feliciana, Iberville, Lafayette, Livingston and 10 more | 2 hr |
| Mar 16, 5:46 AM CDT | Mesoscale Discussion | SPC | Beauregard, Sabine, Vernon | 119 min |
Nearby
Tornado Watches in Mississippi, 2014Tornado Watches in Alabama, 2014Tornado Watches in Florida, 2014Every tornado watch in 2014
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.