Alert archive / Mississippi / Severe Thunderstorm Warnings in 2016

Severe Thunderstorm Warning 79, NWS Mobile, AL

March 17, 2016Perry County, Stone County, Mississippi

NWS Mobile, AL issued this severe thunderstorm warning at Mar 17, 2016, 5:59 PM CDT for Perry County, Stone County, Mississippi. It was in force for 47 min. No storm report in the archive falls inside the area while it was in force.

The area

The outline as issued.

The facts

Issued: Mar 17, 2016, 5:59 PM CDT (22:59 UTC)
Expired: Mar 17, 2016, 6:46 PM CDT
In force: 47 min
Issued by: NWS Mobile, AL
Area: Storm-based polygon
Tornado: Possible
Hail: 1.0 in
Wind: 60.0 mph

Counties Perry County, MS, Stone County, MS

The radar

The Mobile radar (KMOB), 87 km from the middle of the area, began a volume at 22:59 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 watch it was issued in

The SPC watch in force over the same counties when this warning went out.

Issued	Product	Office	Lasted
Mar 17, 1:19 PM CDT	Severe Thunderstorm Watch	SPC	9 hr

The nearest sounding before it

Slidell Radar S, LA (KSIL), launched 12:00Z, 11.0 hours before the alert went out and 88 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.

Skew-T log-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.

Mixed-layer CAPE: 1853 J/kg
Mixed-layer CIN: -9 J/kg
Mixed-layer LCL: 644 m above ground
0-6 km bulk shear: 44 kt
0-1 km storm-relative helicity: 46 m²/s²
0-3 km storm-relative helicity: 48 m²/s²
Significant tornado parameter: 0.5
Supercell composite: 3.4

Open this sounding in Storm Lab

The text

As transmitted.

725 
WUUS54 KMOB 172259
SVRMOB
MSC111-131-180000-
/O.NEW.KMOB.SV.W.0079.160317T2259Z-160318T0000Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE MOBILE AL
559 PM CDT THU MAR 17 2016

THE NATIONAL WEATHER SERVICE IN MOBILE HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  SOUTHWESTERN PERRY COUNTY IN SOUTHEASTERN MISSISSIPPI...
  STONE COUNTY IN SOUTHEASTERN MISSISSIPPI...

* UNTIL 700 PM CDT

* AT 558 PM CDT...A SEVERE THUNDERSTORM WAS LOCATED NEAR PERKINSTON...
  OR NEAR WIGGINS...MOVING EAST AT 20 MPH.

  HAZARD...60 MPH WIND GUSTS AND QUARTER SIZE HAIL. 

  SOURCE...RADAR INDICATED. 

  IMPACT...HAIL DAMAGE TO VEHICLES IS EXPECTED. EXPECT WIND DAMAGE 
           TO ROOFS...SIDING...AND TREES. 

* LOCATIONS IMPACTED INCLUDE...
  WIGGINS AND PERKINSTON. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

FOR YOUR PROTECTION MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF A
BUILDING.

&&

LAT...LON 3091 8917 3091 8914 3092 8914 3097 8894
      3071 8889 3071 8924 3089 8926
TIME...MOT...LOC 2258Z 262DEG 18KT 3081 8920 

TORNADO...POSSIBLE
HAIL...1.00IN
WIND...60MPH
 
$$

1 follow-up statement

292 
WWUS54 KMOB 172346
SVSMOB

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE MOBILE AL
646 PM CDT THU MAR 17 2016

MSC111-131-172356-
/O.CAN.KMOB.SV.W.0079.000000T0000Z-160318T0000Z/
PERRY MS-STONE MS-
646 PM CDT THU MAR 17 2016

...THE SEVERE THUNDERSTORM WARNING FOR SOUTHWESTERN PERRY AND STONE
COUNTIES IS CANCELLED...
        
THE STORM WHICH PROMPTED THE WARNING HAS MOVED OUT OF THE AREA.
THEREFORE THE WARNING HAS BEEN CANCELLED.

A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 800 PM CDT FOR
SOUTHEASTERN MISSISSIPPI.

LAT...LON 3091 8917 3091 8914 3092 8914 3097 8894
      3071 8889 3071 8924 3089 8926
TIME...MOT...LOC 2339Z 262DEG 18KT 3084 8892 

$$

The office that day

Everything else NWS Mobile, AL issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Mar 17, 12:17 PM CDT	Severe Thunderstorm Warning	MOB	Perry	58 min
Mar 17, 12:52 PM CDT	Severe Thunderstorm Warning	MOB	George, Greene	38 min
Mar 17, 1:29 PM CDT	Special Weather Statement	MOB	George	46 min
Mar 17, 1:43 PM CDT	Severe Thunderstorm Warning	MOB	George, Greene	47 min
Mar 17, 2:25 PM CDT	Special Weather Statement	MOB	Perry	35 min
Mar 17, 3:26 PM CDT	Special Weather Statement	MOB	Greene	64 min
Mar 17, 3:34 PM CDT	Severe Thunderstorm Warning	MOB	Greene, Wayne	41 min
Mar 17, 3:45 PM CDT	Special Weather Statement	MOB	Perry	45 min
Mar 17, 4:08 PM CDT	Severe Thunderstorm Warning	MOB	Greene, Wayne	39 min
Mar 17, 4:21 PM CDT	Severe Thunderstorm Warning	MOB	Wayne	24 min
Mar 17, 5:16 PM CDT	Special Weather Statement	MOB	George	44 min
Mar 17, 5:44 PM CDT	Severe Thunderstorm Warning	MOB	Greene, Perry, Wayne	61 min
Mar 17, 6:07 PM CDT	Severe Thunderstorm Warning	MOB	George	68 min
Mar 17, 6:12 PM CDT	Special Weather Statement	MOB	Greene	33 min
Mar 17, 6:22 PM CDT	Areal Flood Warning	MOB	George, Greene, Perry, Stone, Wayne	12 hr
Mar 17, 6:32 PM CDT	Flash Flood Watch	MOB	George, Greene, Perry, Stone, Wayne	33 hr
Mar 17, 6:35 PM CDT	Special Weather Statement	MOB	Greene	55 min
Mar 17, 6:44 PM CDT	Severe Thunderstorm Warning	MOB	George	31 min
Mar 17, 6:57 PM CDT	Special Weather Statement	MOB	Stone	33 min

Nearby

Severe Thunderstorm Warnings in Mississippi, 2016 Every severe thunderstorm warning 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.