Alert archive / Alabama / Severe Thunderstorm Warnings in 2016

Severe Thunderstorm Warning 64, NWS Mobile, AL

March 17, 2016Clarke County, Monroe County, Alabama

NWS Mobile, AL issued this severe thunderstorm warning at Mar 17, 2016, 6:50 AM CDT for Clarke County, Monroe County, Alabama. It was in force for 40 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 17, 2016, 6:50 AM CDT (11:50 UTC)
Expired: Mar 17, 2016, 7:30 AM CDT
In force: 40 min
Issued by: NWS Mobile, AL
Area: Storm-based polygon

Counties Clarke County, AL, Monroe County, AL

The radar

The Mobile radar (KMOB), 114 km from the middle of the area, began a volume at 11:48 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

Birmingham, AL (KBMX), launched 00:00Z, 11.8 hours before the alert went out and 200 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: 0 J/kg
Mixed-layer CIN: No buoyant parcel
Mixed-layer LCL: 2953 m above ground
0-6 km bulk shear: 60 kt
0-1 km storm-relative helicity: -26 m²/s²
0-3 km storm-relative helicity: 152 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

The text

As transmitted.

026 
WUUS54 KMOB 171150
SVRMOB
ALC025-099-171230-
/O.NEW.KMOB.SV.W.0064.160317T1150Z-160317T1230Z/

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

THE NATIONAL WEATHER SERVICE IN MOBILE HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  CENTRAL MONROE COUNTY IN SOUTH CENTRAL ALABAMA...
  EAST CENTRAL CLARKE COUNTY IN SOUTHWESTERN ALABAMA...

* UNTIL 730 AM CDT

* AT 650 AM CDT...DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM
  CAPABLE OF PRODUCING QUARTER SIZE HAIL AND DAMAGING WINDS IN EXCESS
  OF 60 MPH. THIS STORM WAS LOCATED 12 MILES NORTHWEST OF MEGARGEL...
  OR 12 MILES WEST OF FRISCO CITY...AND MOVING NORTHEAST AT 30 MPH.

* LOCATIONS IMPACTED INCLUDE...
  MONROEVILLE...FRISCO CITY AND PETERMAN. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

SEVERE THUNDERSTORMS PRODUCE DAMAGING WINDS...DESTRUCTIVE HAIL...DEADLY
LIGHTNING AND VERY HEAVY RAIN. FOR YOUR PROTECTION...MOVE TO AN
INTERIOR ROOM ON THE LOWEST FLOOR OF YOUR HOME OR BUSINESS. HEAVY
RAINS FLOOD ROADS QUICKLY SO DO NOT DRIVE INTO AREAS WHERE WATER
COVERS THE ROAD.

&&

LAT...LON 3135 8763 3151 8773 3174 8736 3150 8720
TIME...MOT...LOC 1150Z 240DEG 27KT 3147 8761 

$$

1 follow-up statement

604 
WWUS54 KMOB 171212
SVSMOB

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE MOBILE AL
712 AM CDT THU MAR 17 2016

ALC025-171221-
/O.CAN.KMOB.SV.W.0064.000000T0000Z-160317T1230Z/
CLARKE AL-
712 AM CDT THU MAR 17 2016

...THE SEVERE THUNDERSTORM WARNING FOR EAST CENTRAL CLARKE 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 3142 8753 3153 8758 3174 8736 3150 8720
TIME...MOT...LOC 1211Z 240DEG 23KT 3152 8750 

$$

ALC099-171230-
/O.CON.KMOB.SV.W.0064.000000T0000Z-160317T1230Z/
MONROE AL-
712 AM CDT THU MAR 17 2016

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 730 AM CDT
FOR CENTRAL MONROE COUNTY...

AT 711 AM CDT...A SEVERE THUNDERSTORM WAS LOCATED 8 MILES NORTHWEST OF
FRISCO CITY...MOVING NORTHEAST AT 25 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...
MONROEVILLE AND PETERMAN. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 3142 8753 3153 8758 3174 8736 3150 8720
TIME...MOT...LOC 1211Z 240DEG 23KT 3152 8750 

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
Mar 17, 6:14 AM CDT	Special Weather Statement	MOB	Monroe	46 min
Mar 17, 7:12 AM CDT	Special Weather Statement	MOB	Escambia	63 min
Mar 17, 7:26 AM CDT	Severe Thunderstorm Warning	MOB	Conecuh, Monroe	49 min
Mar 17, 7:59 AM CDT	Special Weather Statement	MOB	Covington	31 min
Mar 17, 10:20 AM CDT	Special Marine Warning	MOB		25 min
Mar 17, 11:14 AM CDT	Special Marine Warning	MOB		46 min
Mar 17, 1:32 PM CDT	Special Marine Warning	MOB		58 min
Mar 17, 1:39 PM CDT	Special Marine Warning	MOB		66 min
Mar 17, 1:43 PM CDT	Severe Thunderstorm Warning	MOB	Mobile	47 min
Mar 17, 2:09 PM CDT	Severe Thunderstorm Warning	MOB	Mobile	51 min
Mar 17, 2:11 PM CDT	Special Marine Warning	MOB		49 min
Mar 17, 2:14 PM CDT	Severe Thunderstorm Warning	MOB	Butler, Crenshaw	46 min
Mar 17, 2:17 PM CDT	Special Marine Warning	MOB		28 min
Mar 17, 2:31 PM CDT	Special Weather Statement	MOB	Baldwin	44 min
Mar 17, 3:28 PM CDT	Special Weather Statement	MOB	Baldwin	32 min
Mar 17, 3:53 PM CDT	Severe Thunderstorm Warning	MOB	Baldwin	37 min
Mar 17, 4:08 PM CDT	Severe Thunderstorm Warning	MOB	Washington	39 min
Mar 17, 4:09 PM CDT	Severe Thunderstorm Warning	MOB	Baldwin	36 min
Mar 17, 4:13 PM CDT	Special Weather Statement	MOB	Monroe	47 min
Mar 17, 4:32 PM CDT	Severe Thunderstorm Warning	MOB	Butler, Conecuh, Monroe, Wilcox	43 min
Mar 17, 6:22 PM CDT	Areal Flood Warning	MOB	Baldwin, Butler, Choctaw, Clarke, Escambia, Mobile and 3 more	12 hr
Mar 17, 6:32 PM CDT	Flash Flood Watch	MOB	Baldwin, Choctaw, Clarke, Mobile, Washington	33 hr
Mar 17, 6:35 PM CDT	Special Weather Statement	MOB	Washington	55 min

Nearby

Severe Thunderstorm Warnings in Alabama, 2016 Every 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.