Alert archive / Mississippi / Severe Thunderstorm Warnings in 2017

Severe Thunderstorm Warning 91, NWS Mobile, AL

March 7, 2017Wayne County, Mississippi

NWS Mobile, AL issued this severe thunderstorm warning at Mar 7, 2017, 4:24 PM CST for Wayne County, Mississippi. It was in force for 51 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 7, 2017, 4:24 PM CST (22:24 UTC)
Expired
Mar 7, 2017, 5:15 PM CST
In force
51 min
Issued by
NWS Mobile, AL
Area
Storm-based polygon
Tornado
Possible
Hail
1.0 in
Wind
60.0 mph

County Wayne County, MS

The radar

The Jackson/Brandon,MS radar (KDGX), 129 km from the middle of the area, began a volume at 22:24 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, 10.4 hours before the alert went out and 139 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 2017-03-07Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 3 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 2017-03-07The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 374 square meters per square second.19395878Sfc1 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
3 J/kg
Mixed-layer CIN
-150 J/kg
Mixed-layer LCL
613 m above ground
0-6 km bulk shear
37 kt
0-1 km storm-relative helicity
374 m²/s²
0-3 km storm-relative helicity
440 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

897 
WUUS54 KMOB 072224
SVRMOB
MSC153-072315-
/O.NEW.KMOB.SV.W.0091.170307T2224Z-170307T2315Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Mobile AL
424 PM CST TUE MAR 7 2017

The National Weather Service in Mobile has issued a

* Severe Thunderstorm Warning for...
  Wayne County in southeastern Mississippi...

* Until 515 PM CST

* At 424 PM CST, a severe thunderstorm was located near Mill Creek,
  or 10 miles southeast of Laurel, moving east at 40 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...
  Waynesboro and Clara. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

For your protection move to an interior room on the lowest floor of a
building.

&&

LAT...LON 3182 8894 3183 8889 3183 8876 3185 8865
      3189 8848 3159 8846 3152 8894
TIME...MOT...LOC 2224Z 262DEG 35KT 3163 8899 

TORNADO...POSSIBLE
HAIL...1.00IN
WIND...60MPH
 
$$
1 follow-up statement
066 
WWUS54 KMOB 072247
SVSMOB

Severe Weather Statement
National Weather Service Mobile AL
447 PM CST TUE MAR 7 2017

MSC153-072315-
/O.CON.KMOB.SV.W.0091.000000T0000Z-170307T2315Z/
Wayne MS-
447 PM CST TUE MAR 7 2017

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 515 PM CST
FOR WAYNE COUNTY...

At 444 PM CST, severe thunderstorms were located along a line
extending from 8 miles southeast of Mill Creek to 6 miles east of
Waynesboro to 10 miles west of Silas, moving southeast at 35 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...
Strengthford, Whistler, Waynesboro and Clara. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

For your protection move to an interior room on the lowest floor of a
building.

&&

LAT...LON 3182 8894 3183 8889 3183 8876 3185 8865
      3189 8848 3159 8846 3152 8894
TIME...MOT...LOC 2244Z 302DEG 31KT 3161 8886 3169 8855 3177 8850 

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

The office that day

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

IssuedProductOfficeCountiesLasted
Mar 7, 3:55 PM CSTSpecial Weather StatementMOBWayne65 min
Mar 7, 5:02 PM CSTSpecial Weather StatementMOBGreene43 min
Mar 7, 5:52 PM CSTSpecial Weather StatementMOBGeorge, Greene, Perry, Stone53 min

Nearby

Severe Thunderstorm Warnings in Mississippi, 2017Every severe thunderstorm warning in 2017

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.