Alert archive / Alabama / Severe Thunderstorm Warnings in 2018

Severe Thunderstorm Warning 45, NWS Mobile, AL

June 9, 2018Mobile County, Alabama

NWS Mobile, AL issued this severe thunderstorm warning at Jun 9, 2018, 2:50 PM CDT for Mobile County, Alabama. It was in force for 40 min. 3 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: Jun 9, 2018, 2:50 PM CDT (19:50 UTC)
Expired: Jun 9, 2018, 3:30 PM CDT
In force: 40 min
Issued by: NWS Mobile, AL
Area: Storm-based polygon
Hail: 0.88 in
Wind: 60.0 mph

County Mobile County, AL

The radar

The Mobile radar (KMOB), 4 km from the middle of the area, began a volume at 19:49 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

Time	Report	Where	Remark
Jun 9, 3:07 PM CDT	HAIL 1	University Of South Ala, AL	ONE INCH HAIL REPORTED AT THE UNIVERSITY OF SOUTH ALABAMA FROM NUMEROUS PICTURES AND VIDEO ON SOCIAL MEDIA.
Jun 9, 3:07 PM CDT	HAIL 1.25	3 E Mobile Airport, AL	BROADCAST MEDIA RELAYED PICTURE OF ROUGHLY HALF DOLLAR SIZE HAIL AT THE CORNER OF HILLCREST AND AIRPORT BLVD. TIME ESTIMATED FROM RADAR DATA
Jun 9, 3:13 PM CDT	TSTM WND DMG	1 W Spring Hill Colleg, AL	TREE DOWN OVER THE ROADWAY NEAR THE CORNER OF OLD SHELL RD NEAR RIDGELAWN DR. E. TIME ESTIMATED BY RADAR.

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

The nearest sounding before it

Slidell Radar S, LA (KSIL), launched 12:00Z, 7.8 hours before the alert went out and 145 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: 1511 J/kg
Mixed-layer CIN: -27 J/kg
Mixed-layer LCL: 862 m above ground
0-6 km bulk shear: 3 kt
0-1 km storm-relative helicity: -26 m²/s²
0-3 km storm-relative helicity: -32 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

The text

As transmitted.

528 
WUUS54 KMOB 091950
SVRMOB
ALC097-092030-
/O.NEW.KMOB.SV.W.0045.180609T1950Z-180609T2030Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Mobile AL
250 PM CDT SAT JUN 9 2018

The National Weather Service in Mobile has issued a

* Severe Thunderstorm Warning for...
  West central Mobile County in southwestern Alabama...

* Until 330 PM CDT.

* At 250 PM CDT, a severe thunderstorm was located near Mobile
  Regional Airport, or 4 miles northwest of Tillmans Corner, moving
  southeast at 20 mph.

  HAZARD...60 mph wind gusts and nickel size hail.

  SOURCE...Radar indicated.

  IMPACT...Expect damage to roofs, siding, and trees.

* Locations impacted include...
  Midtown Mobile, Tillmans Corner, Tanner Williams and Mobile
  Regional Airport.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 3073 8838 3076 8831 3070 8810 3051 8822
TIME...MOT...LOC 1950Z 321DEG 18KT 3065 8821 

HAIL...0.88IN
WIND...60MPH
 
$$

1 follow-up statement

644 
WWUS54 KMOB 092016
SVSMOB

Severe Weather Statement
National Weather Service Mobile AL
316 PM CDT SAT JUN 9 2018

ALC097-092030-
/O.CON.KMOB.SV.W.0045.000000T0000Z-180609T2030Z/
Mobile AL-
316 PM CDT SAT JUN 9 2018

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 330 PM CDT
FOR CENTRAL MOBILE COUNTY...

At 316 PM CDT, a severe thunderstorm was located near Theodore,
moving southeast at 20 mph.

HAZARD...60 mph wind gusts and quarter size hail.

SOURCE...Public.

IMPACT...Hail damage to vehicles is expected. Expect wind damage to 
         roofs, siding, and trees.

Locations impacted include...
Midtown Mobile, Tillmans Corner and Mobile Regional Airport. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Prepare immediately for large hail and deadly cloud to ground
lightning. Seek shelter inside a well-built structure. Stay away from
windows.

&&

LAT...LON 3069 8827 3074 8823 3070 8810 3051 8822
TIME...MOT...LOC 2016Z 321DEG 18KT 3055 8811 

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

The office that day

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

Issued	Product	Office	Counties	Lasted
Jun 9, 1:14 PM CDT	Special Weather Statement	MOB	Baldwin	61 min
Jun 9, 1:37 PM CDT	Special Weather Statement	MOB	Escambia	53 min
Jun 9, 1:48 PM CDT	Special Weather Statement	MOB	Baldwin	42 min
Jun 9, 2:32 PM CDT	Severe Thunderstorm Warning	MOB	Mobile	43 min
Jun 9, 3:31 PM CDT	Special Weather Statement	MOB	Mobile	59 min
Jun 9, 3:38 PM CDT	Special Weather Statement	MOB	Covington	37 min
Jun 9, 3:44 PM CDT	Severe Thunderstorm Warning	MOB	Covington	46 min
Jun 9, 3:58 PM CDT	Special Weather Statement	MOB	Washington	47 min
Jun 9, 4:43 PM CDT	Special Weather Statement	MOB	Crenshaw	47 min
Jun 9, 4:50 PM CDT	Special Weather Statement	MOB	Choctaw	40 min
Jun 9, 5:04 PM CDT	Special Weather Statement	MOB	Butler	41 min
Jun 9, 5:09 PM CDT	Severe Thunderstorm Warning	MOB	Butler	66 min
Jun 9, 5:11 PM CDT	Special Weather Statement	MOB	Wilcox	49 min
Jun 9, 5:20 PM CDT	Special Weather Statement	MOB	Clarke	40 min
Jun 9, 5:43 PM CDT	Areal Flood Advisory	MOB	Butler	2 hr
Jun 9, 6:01 PM CDT	Special Weather Statement	MOB	Wilcox	44 min

Nearby

Severe Thunderstorm Warnings in Alabama, 2018 Every severe thunderstorm warning in 2018

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.