Alert archive / Mississippi / Severe Thunderstorm Warnings in 2016

Severe Thunderstorm Warning 2, NWS Mobile, AL

January 21, 2016Perry County, Wayne County, Mississippi

NWS Mobile, AL issued this severe thunderstorm warning at Jan 21, 2016, 7:17 PM CST for Perry County, Wayne County, Mississippi. It was in force for 58 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
Jan 21, 2016, 7:17 PM CST (01:17 UTC)
Expired
Jan 21, 2016, 8:15 PM CST
In force
58 min
Issued by
NWS Mobile, AL
Area
Storm-based polygon
Hail
0.88 in
Wind
60.0 mph

Counties Perry County, MS, Wayne County, MS

The radar

The Mobile radar (KMOB), 113 km from the middle of the area, began a volume at 01:19 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.

IssuedProductOfficeLasted
Jan 21, 6:53 PM CSTTornado WatchSPC10 hr

The nearest sounding before it

Slidell Radar S, LA (KSIL), launched 00:00Z, 1.3 hours before the alert went out and 146 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-pSkew-T log-p diagram, Slidell Radar S, LA at 00:00Z on 2016-01-22Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 390 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Slidell Radar S, LA at 00:00Z on 2016-01-22The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 305 square meters per square second.1939587897Sfc1 km3 km6 km9 kmRMLM
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
390 J/kg
Mixed-layer CIN
-43 J/kg
Mixed-layer LCL
738 m above ground
0-6 km bulk shear
70 kt
0-1 km storm-relative helicity
305 m²/s²
0-3 km storm-relative helicity
332 m²/s²
Significant tornado parameter
0.8
Supercell composite
4.5

Open this sounding in Storm Lab

The text

As transmitted.

907 
WUUS54 KMOB 220117
SVRMOB
MSC111-153-220215-
/O.NEW.KMOB.SV.W.0002.160122T0117Z-160122T0215Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE MOBILE AL
717 PM CST THU JAN 21 2016

THE NATIONAL WEATHER SERVICE IN MOBILE HAS ISSUED A

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

* UNTIL 815 PM CST

* AT 717 PM CST...A SEVERE THUNDERSTORM WAS LOCATED NEAR MACEDONIA...
  OR 8 MILES EAST OF PETAL...MOVING NORTHEAST AT 65 MPH.

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

  SOURCE...RADAR INDICATED. 

  IMPACT...EXPECT DAMAGE TO ROOFS...SIDING AND TREES. 

* THIS SEVERE THUNDERSTORM WILL REMAIN OVER MAINLY RURAL AREAS OF
  SOUTHWESTERN WAYNE AND NORTHWESTERN PERRY COUNTIES.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A TORNADO WATCH REMAINS IN EFFECT FOR THE WARNED AREA. TORNADOES CAN
DEVELOP QUICKLY FROM SEVERE THUNDERSTORMS. ALTHOUGH A TORNADO IS NOT
IMMEDIATELY LIKELY...IF ONE IS SPOTTED...ACT QUICKLY AND MOVE TO A
PLACE OF SAFETY INSIDE A STURDY STRUCTURE...SUCH AS A BASEMENT OR
SMALL INTERIOR ROOM.

&&

A TORNADO WATCH REMAINS IN EFFECT UNTIL 300 AM CST FOR SOUTHEASTERN
MISSISSIPPI.

LAT...LON 3143 8915 3143 8894 3171 8894 3156 8880
      3121 8911 3124 8915
TIME...MOT...LOC 0117Z 220DEG 57KT 3138 8912 

HAIL...0.88IN
WIND...60MPH
 
$$
1 follow-up statement
070 
WWUS54 KMOB 220207
SVSMOB

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE MOBILE AL
807 PM CST THU JAN 21 2016

MSC111-153-220217-
/O.EXP.KMOB.SV.W.0002.000000T0000Z-160122T0215Z/
WAYNE MS-PERRY MS-
807 PM CST THU JAN 21 2016

...THE SEVERE THUNDERSTORM WARNING FOR SOUTHWESTERN WAYNE AND
NORTHWESTERN PERRY COUNTIES WILL EXPIRE AT 815 PM CST...
        
THE STORM WHICH PROMPTED THE WARNING HAS MOVED OUT OF THE AREA.
THEREFORE THE WARNING WILL BE ALLOWED TO EXPIRE.

A TORNADO WATCH REMAINS IN EFFECT UNTIL 300 AM CST FOR SOUTHEASTERN
MISSISSIPPI.

LAT...LON 3143 8915 3143 8894 3171 8894 3156 8880
      3121 8911 3124 8915
TIME...MOT...LOC 0206Z 220DEG 57KT 3138 8912 

$$

The office that day

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

IssuedProductOfficeCountiesLasted
Jan 21, 6:53 PM CSTSpecial Weather StatementMOBPerry, Stone, Wayne52 min
Jan 21, 7:57 PM CSTSpecial Weather StatementMOBWayne63 min
Jan 21, 8:27 PM CSTSpecial Weather StatementMOBGeorge, Greene, Perry, Stone63 min

Nearby

Severe Thunderstorm Warnings in Mississippi, 2016Every 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.