Alert archive / Mississippi / Severe Thunderstorm Warnings in 2015

Severe Thunderstorm Warning 166, NWS Mobile, AL

December 23, 2015Perry County, Wayne County, Mississippi

NWS Mobile, AL issued this severe thunderstorm warning at Dec 23, 2015, 1:40 PM CST for Perry County, Wayne County, Mississippi. It was in force for 50 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
Dec 23, 2015, 1:40 PM CST (19:40 UTC)
Expired
Dec 23, 2015, 2:30 PM CST
In force
50 min
Issued by
NWS Mobile, AL
Area
Storm-based polygon
Hail
0.75 in
Wind
70.0 mph

Counties Perry County, MS, Wayne County, MS

The radar

The Mobile radar (KMOB), 120 km from the middle of the area, began a volume at 19:40 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 nearest sounding before it

Jackson, MS (KJAN), launched 12:00Z, 7.7 hours before the alert went out and 136 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, Jackson, MS at 12:00Z on 2015-12-23Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 57 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, Jackson, MS at 12:00Z on 2015-12-23The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 298 square meters per square second.1939587897117Sfc1 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
57 J/kg
Mixed-layer CIN
-183 J/kg
Mixed-layer LCL
670 m above ground
0-6 km bulk shear
51 kt
0-1 km storm-relative helicity
298 m²/s²
0-3 km storm-relative helicity
382 m²/s²
Significant tornado parameter
0.0
Supercell composite
1.0

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

283 
WUUS54 KMOB 231940
SVRMOB
MSC111-153-232030-
/O.NEW.KMOB.SV.W.0166.151223T1940Z-151223T2030Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE MOBILE AL
140 PM CST WED DEC 23 2015

THE NATIONAL WEATHER SERVICE IN MOBILE HAS ISSUED A

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

* UNTIL 230 PM CST

* AT 139 PM CST...A SEVERE THUNDERSTORM WAS LOCATED NEAR MACEDONIA...
  OR 9 MILES NORTHEAST OF PETAL...MOVING NORTHEAST AT 45 MPH.

  HAZARD...70 MPH WIND GUSTS. 

  SOURCE...RADAR INDICATED. 

  IMPACT...EXPECT CONSIDERABLE TREE DAMAGE. DAMAGE IS LIKELY TO 
           MOBILE HOMES...ROOFS AND OUTBUILDINGS. 

* LOCATIONS IMPACTED INCLUDE...
  WAYNESBORO AND CLARA. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 3143 8915 3144 8894 3180 8894 3183 8892
      3183 8884 3176 8870 3176 8866 3169 8852
      3127 8910 3131 8915
TIME...MOT...LOC 1939Z 225DEG 41KT 3143 8913 

HAIL...<.75IN
WIND...70MPH
 
$$
1 follow-up statement
299 
WWUS54 KMOB 232006
SVSMOB

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE MOBILE AL
206 PM CST WED DEC 23 2015

MSC111-232015-
/O.CAN.KMOB.SV.W.0166.000000T0000Z-151223T2030Z/
PERRY MS-
206 PM CST WED DEC 23 2015

...THE SEVERE THUNDERSTORM WARNING FOR NORTHWESTERN PERRY COUNTY IS
CANCELLED...
    
THE SEVERE THUNDERSTORM WHICH PROMPTED THE WARNING HAS MOVED OUT OF
THE WARNED AREA. THEREFORE THE WARNING HAS BEEN CANCELLED.

LAT...LON 3180 8894 3183 8892 3183 8884 3176 8870
      3176 8866 3169 8852 3143 8888 3143 8894
TIME...MOT...LOC 2005Z 229DEG 38KT 3163 8888 

$$

MSC153-232030-
/O.CON.KMOB.SV.W.0166.000000T0000Z-151223T2030Z/
WAYNE MS-
206 PM CST WED DEC 23 2015

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 230 PM CST
FOR NORTHWESTERN WAYNE COUNTY...

AT 205 PM CST...A SEVERE THUNDERSTORM WAS LOCATED NEAR MILL CREEK...
OR 13 MILES WEST OF WAYNESBORO...MOVING NORTHEAST AT 45 MPH.

HAZARD...70 MPH WIND GUSTS. 

SOURCE...RADAR INDICATED. 

IMPACT...EXPECT CONSIDERABLE TREE DAMAGE. DAMAGE IS LIKELY TO MOBILE 
         HOMES...ROOFS AND OUTBUILDINGS. 

LOCATIONS IMPACTED INCLUDE...
WAYNESBORO AND CLARA. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 3180 8894 3183 8892 3183 8884 3176 8870
      3176 8866 3169 8852 3143 8888 3143 8894
TIME...MOT...LOC 2005Z 229DEG 38KT 3163 8888 

HAIL...<.75IN
WIND...70MPH
 
$$

The office that day

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

IssuedProductOfficeCountiesLasted
Dec 23, 7:18 AM CSTSpecial Weather StatementMOBGreene, Perry57 min
Dec 23, 9:02 AM CSTSpecial Weather StatementMOBWayne43 min
Dec 23, 2:26 PM CSTSevere Thunderstorm WarningMOBWayne49 min
Dec 23, 3:29 PM CSTAreal Flood AdvisoryMOBWayne3 hr
Dec 23, 4:03 PM CSTSpecial Weather StatementMOBWayne57 min

Nearby

Severe Thunderstorm Warnings in Mississippi, 2015Every severe thunderstorm warning in 2015

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.