Alert archive / Alabama / Severe Thunderstorm Warnings in 2017

Severe Thunderstorm Warning 4, NWS Mobile, AL

January 2, 2017Clarke County, Conecuh County, Monroe County, Alabama

NWS Mobile, AL issued this severe thunderstorm warning at Jan 2, 2017, 12:27 PM CST for Clarke County, Conecuh County, Monroe County, Alabama. It was in force for 48 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: Jan 2, 2017, 12:27 PM CST (18:27 UTC)
Expired: Jan 2, 2017, 1:15 PM CST
In force: 48 min
Issued by: NWS Mobile, AL
Area: Storm-based polygon
Hail: 1.0 in
Wind: 60.0 mph

Counties Clarke County, AL, Conecuh County, AL, Monroe County, AL

The radar

The Mobile radar (KMOB), 114 km from the middle of the area, began a volume at 18:28 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 watch it was issued in

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

Issued	Product	Office	Lasted
Jan 2, 11:22 AM CST	Tornado Watch	SPC	9 hr

The nearest sounding before it

Birmingham, AL (KBMX), launched 12:00Z, 6.5 hours before the alert went out and 199 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: 11 J/kg
Mixed-layer CIN: -162 J/kg
Mixed-layer LCL: 587 m above ground
0-6 km bulk shear: 42 kt
0-1 km storm-relative helicity: 171 m²/s²
0-3 km storm-relative helicity: 166 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

The text

As transmitted.

830 
WUUS54 KMOB 021827
SVRMOB
ALC025-035-099-021915-
/O.NEW.KMOB.SV.W.0004.170102T1827Z-170102T1915Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Mobile AL
1227 PM CST MON JAN 2 2017

The National Weather Service in Mobile has issued a

* Severe Thunderstorm Warning for...
  Northwestern Conecuh County in south central Alabama...
  Monroe County in south central Alabama...
  East central Clarke County in southwestern Alabama...

* Until 115 PM CST

* At 1226 PM CST, severe thunderstorms were located along a line
  extending from 6 miles southeast of Fulton to 12 miles west of
  Frisco City to 8 miles southeast of Jackson, 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...
  Monroeville, Frisco City, Peterman, Excel, Beatrice and Repton. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

A tornado watch remains in effect until 800 PM CST for south central
and southwestern Alabama.

LAT...LON 3183 8711 3138 8711 3132 8778 3137 8776
      3133 8775 3134 8772 3137 8773 3140 8771
      3142 8764 3141 8761 3144 8757 3148 8757
      3152 8762 3155 8757 3170 8757 3175 8758
      3183 8726
TIME...MOT...LOC 1826Z 256DEG 34KT 3173 8763 3148 8760 3140 8783 

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
Jan 1, 7:06 PM CST	Areal Flood Advisory	MOB	Baldwin, Mobile	3 hr
Jan 1, 7:46 PM CST	Areal Flood Advisory	MOB	Baldwin, Conecuh, Escambia, Monroe	3 hr
Jan 1, 8:10 PM CST	Flash Flood Warning	MOB	Mobile	6 hr
Jan 1, 11:08 PM CST	Areal Flood Advisory	MOB	Baldwin	3 hr
Jan 2, 3:22 AM CST	Small Craft Advisory	MOB		27 hr
Jan 2, 6:05 AM CST	Rip Current Statement	MOB	Baldwin, Mobile	24 hr
Jan 2, 10:51 AM CST	Severe Thunderstorm Warning	MOB	Washington	54 min
Jan 2, 11:16 AM CST	Tornado Warning	MOB	Washington	26 min
Jan 2, 11:56 AM CST	Severe Thunderstorm Warning	MOB	Clarke, Washington	49 min
Jan 2, 12:05 PM CST	Special Marine Warning	MOB		55 min
Jan 2, 12:10 PM CST	Flash Flood Warning Emergency	MOB	Clarke, Conecuh, Monroe, Washington	6 hr
Jan 2, 12:19 PM CST	Special Weather Statement	MOB	Wilcox	41 min
Jan 2, 12:51 PM CST	Tornado Warning	MOB	Washington	19 min
Jan 2, 12:57 PM CST	Special Marine Warning	MOB		63 min
Jan 2, 12:58 PM CST	Severe Thunderstorm Warning	MOB	Clarke, Conecuh, Monroe, Wilcox	47 min
Jan 2, 1:10 PM CST	Special Marine Warning	MOB		65 min
Jan 2, 1:27 PM CST	Special Marine Warning	MOB		48 min
Jan 2, 1:44 PM CST	Severe Thunderstorm Warning	MOB	Butler, Conecuh, Monroe, Wilcox	46 min
Jan 2, 1:52 PM CST	Special Marine Warning	MOB		38 min
Jan 2, 2:00 PM CST	Special Marine Warning	MOB		60 min
Jan 2, 2:02 PM CST	Flash Flood Warning	MOB	Washington	6 hr
Jan 2, 2:11 PM CST	Special Marine Warning	MOB		64 min
Jan 2, 2:20 PM CST	Severe Thunderstorm Warning	MOB	Baldwin, Butler, Clarke, Conecuh, Covington, Escambia and 1 more	40 min
Jan 2, 2:33 PM CST	Tornado Warning	MOB	Baldwin	48 min
Jan 2, 2:40 PM CST	Special Weather Statement	MOB	Crenshaw	50 min
Jan 2, 2:47 PM CST	Severe Thunderstorm Warning	MOB	Butler, Conecuh, Monroe	43 min
Jan 2, 2:50 PM CST	Tornado Warning	MOB	Crenshaw	40 min
Jan 2, 2:51 PM CST	Special Marine Warning	MOB		54 min
Jan 2, 2:55 PM CST	Flash Flood Warning	MOB	Butler, Conecuh, Covington, Crenshaw, Monroe, Wilcox	6 hr
Jan 2, 3:03 PM CST	Areal Flood Warning	MOB	Baldwin, Clarke, Conecuh, Covington, Escambia, Mobile and 2 more	24 hr
Jan 2, 3:07 PM CST	Severe Thunderstorm Warning	MOB	Choctaw, Clarke, Washington	53 min
Jan 2, 3:11 PM CST	Special Marine Warning	MOB		49 min
Jan 2, 3:13 PM CST	Severe Thunderstorm Warning	MOB	Butler, Crenshaw	19 min
Jan 2, 3:30 PM CST	Special Marine Warning	MOB		60 min
Jan 2, 3:37 PM CST	Special Marine Warning	MOB		68 min
Jan 2, 3:44 PM CST	Severe Thunderstorm Warning	MOB	Mobile	46 min
Jan 2, 3:53 PM CST	Special Marine Warning	MOB		2 hr
Jan 2, 3:59 PM CST	Severe Thunderstorm Warning	MOB	Baldwin, Choctaw, Clarke, Mobile, Monroe, Washington and 1 more	61 min
Jan 2, 4:06 PM CST	Severe Thunderstorm Warning	MOB	Butler, Crenshaw	54 min
Jan 2, 4:18 PM CST	Special Marine Warning	MOB		42 min
Jan 2, 4:23 PM CST	Severe Thunderstorm Warning	MOB	Baldwin	52 min
Jan 2, 4:29 PM CST	Severe Thunderstorm Warning	MOB	Mobile	31 min
Jan 2, 4:48 PM CST	Flash Flood Warning	MOB	Baldwin, Mobile	6 hr
Jan 2, 4:55 PM CST	Severe Thunderstorm Warning	MOB	Baldwin, Butler, Clarke, Conecuh, Escambia, Mobile and 1 more	65 min
Jan 2, 4:59 PM CST	Special Marine Warning	MOB		61 min
Jan 2, 5:35 PM CST	Special Weather Statement	MOB	Butler	40 min
Jan 2, 5:42 PM CST	Severe Thunderstorm Warning	MOB	Baldwin, Conecuh, Covington, Escambia, Monroe	63 min
Jan 2, 5:56 PM CST	Areal Flood Warning	MOB	Baldwin, Butler, Clarke, Conecuh, Covington, Crenshaw and 5 more	24 hr
Jan 2, 5:59 PM CST	Special Marine Warning	MOB		91 min

Nearby

Severe Thunderstorm Warnings in Alabama, 2017 Every 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.