Alert archive / Alabama / Severe Thunderstorm Warnings in 2016

Severe Thunderstorm Warning 88, NWS Mobile, AL

March 17, 2016Mobile County, Alabama

NWS Mobile, AL issued this severe thunderstorm warning at Mar 17, 2016, 8:02 PM CDT for Mobile County, Alabama. It was in force for 58 min. 2 reports came from inside the area while it was in force.

The area

The outline as issued, with what was reported inside it.

The facts

Issued
Mar 17, 2016, 8:02 PM CDT (01:02 UTC)
Expired
Mar 17, 2016, 9:00 PM CDT
In force
58 min
Issued by
NWS Mobile, AL
Area
Storm-based polygon
Hail
1.0 in
Wind
60.0 mph

County Mobile County, AL

The radar

The Mobile radar (KMOB), 33 km from the middle of the area, began a volume at 01:02 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 was reported inside it

TimeReportWhereRemark
Mar 17, 8:11 PM CDTTSTM WND DMG1 Nw Saraland, ALLAW ENFORCEMENT REPORTS TREE DOWN ON CELESTE RD. TIME ESTIMATE FROM RADAR.
Mar 17, 8:12 PM CDTHAIL 1Saraland, ALLAW ENFORCEMENT REPORTS QUARTER INCH HAIL IN SARALAND.

Local storm reports filed while the alert was in force, from inside its polygon or its counties.

The watch it was issued in

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

IssuedProductOfficeLasted
Mar 17, 1:19 PM CDTSevere Thunderstorm WatchSPC9 hr

The nearest sounding before it

Slidell Radar S, LA (KSIL), launched 00:00Z, 1.0 hours before the alert went out and 178 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 2016-03-18Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 761 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°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 2016-03-18The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 171 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
761 J/kg
Mixed-layer CIN
-22 J/kg
Mixed-layer LCL
1293 m above ground
0-6 km bulk shear
44 kt
0-1 km storm-relative helicity
171 m²/s²
0-3 km storm-relative helicity
167 m²/s²
Significant tornado parameter
0.4
Supercell composite
5.5

Open this sounding in Storm Lab

The text

As transmitted.

421 
WUUS54 KMOB 180102
SVRMOB
ALC097-180200-
/O.NEW.KMOB.SV.W.0088.160318T0102Z-160318T0200Z/

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

THE NATIONAL WEATHER SERVICE IN MOBILE HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  EAST CENTRAL MOBILE COUNTY IN SOUTHWESTERN ALABAMA...

* UNTIL 900 PM CDT

* AT 801 PM CDT...A SEVERE THUNDERSTORM WAS LOCATED NEAR SATSUMA...
  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...
  MOBILE...SARALAND...SATSUMA...CREOLA...I65 AND US 43 AND I65 AND AL
  158.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 3080 8813 3087 8813 3092 8797 3091 8796
      3093 8794 3093 8792 3094 8792 3094 8791
      3092 8791 3091 8794 3088 8799 3087 8799
      3085 8796 3083 8794 3081 8799 3079 8799
TIME...MOT...LOC 0101Z 266DEG 35KT 3083 8801 

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

The office that day

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

IssuedProductOfficeCountiesLasted
Mar 17, 7:23 PM CDTSevere Thunderstorm WarningMOBMobile37 min
Mar 17, 7:37 PM CDTSevere Thunderstorm WarningMOBBaldwin, Mobile23 min
Mar 17, 7:55 PM CDTSevere Thunderstorm WarningMOBBaldwin, Escambia65 min
Mar 17, 8:00 PM CDTSevere Thunderstorm WarningMOBMobile45 min
Mar 17, 8:16 PM CDTSevere Thunderstorm WarningMOBBaldwin29 min
Mar 17, 8:17 PM CDTSpecial Marine WarningMOB58 min
Mar 17, 8:41 PM CDTSevere Thunderstorm WarningMOBBaldwin38 min
Mar 17, 8:45 PM CDTSevere Thunderstorm WarningMOBBaldwin, Mobile45 min
Mar 17, 9:12 PM CDTSpecial Marine WarningMOB63 min
Mar 17, 9:20 PM CDTSpecial Marine WarningMOB55 min
Mar 17, 9:30 PM CDTSevere Thunderstorm WarningMOBBaldwin37 min
Mar 17, 10:00 PM CDTSpecial Marine WarningMOB90 min
Mar 17, 10:10 PM CDTSpecial Marine WarningMOB65 min
Mar 17, 10:18 PM CDTSpecial Marine WarningMOB57 min
Mar 17, 11:16 PM CDTSpecial Marine WarningMOB59 min
Mar 17, 11:30 PM CDTSpecial Marine WarningMOB60 min
Mar 18, 12:42 AM CDTSpecial Marine WarningMOB63 min
Mar 18, 1:09 AM CDTSpecial Marine WarningMOB96 min
Mar 18, 4:43 AM CDTSpecial Marine WarningMOB92 min
Mar 18, 5:25 AM CDTSpecial Weather StatementMOBChoctaw, Clarke, Washington50 min
Mar 18, 6:00 AM CDTSpecial Marine WarningMOB30 min
Mar 18, 6:59 AM CDTSpecial Marine WarningMOB31 min
Mar 18, 7:10 AM CDTSpecial Marine WarningMOB65 min
Mar 18, 8:14 AM CDTSpecial Marine WarningMOB2 hr
Mar 18, 4:05 PM CDTSmall Craft AdvisoryMOB66 hr

Nearby

Severe Thunderstorm Warnings in Alabama, 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.