Alert archive / Alabama / Tornado Warnings in 2018

Tornado Warning 1, NWS Mobile, AL

February 10, 2018Baldwin County, Alabama

NWS Mobile, AL issued this tornado warning at Feb 10, 2018, 12:56 PM CST for Baldwin County, Alabama. It was in force for 27 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: Feb 10, 2018, 12:56 PM CST (18:56 UTC)
Expired: Feb 10, 2018, 1:23 PM CST
In force: 27 min
Issued by: NWS Mobile, AL
Area: Storm-based polygon
Tornado: Radar indicated
Hail: 0.75 in

County Baldwin County, AL

The radar

The Mobile radar (KMOB), 38 km from the middle of the area, began a volume at 18:58 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

Slidell Radar S, LA (KSIL), launched 12:00Z, 6.9 hours before the alert went out and 182 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: 370 J/kg
Mixed-layer CIN: -35 J/kg
Mixed-layer LCL: 544 m above ground
0-6 km bulk shear: 44 kt
0-1 km storm-relative helicity: 158 m²/s²
0-3 km storm-relative helicity: 221 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.8

Open this sounding in Storm Lab

The text

As transmitted.

123 
WFUS54 KMOB 101856
TORMOB
ALC003-101945-
/O.NEW.KMOB.TO.W.0001.180210T1856Z-180210T1945Z/

BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service Mobile AL
1256 PM CST SAT FEB 10 2018

The National Weather Service in Mobile has issued a

* Tornado Warning for...
  West central Baldwin County in southwestern Alabama...

* Until 145 PM CST
    
* At 1255 PM CST, a severe thunderstorm capable of producing a
  tornado was located over Fairhope, moving northeast at 20 mph.

  HAZARD...Tornado. 

  SOURCE...Radar indicated rotation. 

  IMPACT...Flying debris will be dangerous to those caught without 
           shelter. Mobile homes will be damaged or destroyed. 
           Damage to roofs, windows, and vehicles will occur.  Tree 
           damage is likely. 

* This dangerous storm will be near...
  Daphne around 110 PM CST. 
  Spanish Fort around 120 PM CST. 
  Loxley around 130 PM CST. 
  Stapleton around 145 PM CST. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

TAKE COVER NOW! Move to a basement or an interior room on the lowest
floor of a sturdy building. Avoid windows. If you are outdoors, in a
mobile home, or in a vehicle, move to the closest substantial shelter
and protect yourself from flying debris.

&&

LAT...LON 3047 8789 3056 8802 3086 8786 3071 8760
TIME...MOT...LOC 1855Z 213DEG 16KT 3055 8792 

TORNADO...RADAR INDICATED
HAIL...<.75IN

$$

05/RR

2 follow-up statements

262 
WWUS54 KMOB 101909
SVSMOB

Severe Weather Statement
National Weather Service Mobile AL
109 PM CST SAT FEB 10 2018

ALC003-101945-
/O.CON.KMOB.TO.W.0001.000000T0000Z-180210T1945Z/
Baldwin AL-
109 PM CST SAT FEB 10 2018

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 145 PM CST FOR WEST
CENTRAL BALDWIN COUNTY...
    
At 109 PM CST, a severe thunderstorm capable of producing a tornado
was located over Daphne, moving northeast at 20 mph.

HAZARD...Tornado. 

SOURCE...Radar indicated rotation. 

IMPACT...Flying debris will be dangerous to those caught without 
         shelter. Mobile homes will be damaged or destroyed. Damage 
         to roofs, windows, and vehicles will occur.  Tree damage is 
         likely. 

This dangerous storm will be near...
  Loxley around 125 PM CST. 
  Stapleton around 145 PM CST. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

TAKE COVER NOW! Move to a basement or an interior room on the lowest
floor of a sturdy building. Avoid windows. If you are outdoors, in a
mobile home, or in a vehicle, move to the closest substantial shelter
and protect yourself from flying debris.

&&

LAT...LON 3056 8784 3062 8793 3086 8786 3071 8760
TIME...MOT...LOC 1909Z 213DEG 16KT 3060 8788 

TORNADO...RADAR INDICATED
HAIL...<.75IN

$$

05/RR

152 
WWUS54 KMOB 101923
SVSMOB

Severe Weather Statement
National Weather Service Mobile AL
123 PM CST SAT FEB 10 2018

ALC003-101933-
/O.CAN.KMOB.TO.W.0001.000000T0000Z-180210T1945Z/
Baldwin AL-
123 PM CST SAT FEB 10 2018

...THE TORNADO WARNING FOR WEST CENTRAL BALDWIN COUNTY IS
CANCELLED...
                
The storm which prompted the warning has weakened below severe
limits, and no longer appears capable of producing a tornado.
Therefore the warning has been cancelled.

LAT...LON 3056 8784 3062 8793 3086 8786 3071 8760
TIME...MOT...LOC 1921Z 213DEG 16KT 3065 8784 

$$

05/RR

The office that day

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

Issued	Product	Office	Counties	Lasted
Feb 9, 9:21 PM CST	Marine Dense Fog Advisory	MOB		13 hr
Feb 10, 7:44 AM CST	Special Weather Statement	MOB	Baldwin, Mobile	91 min
Feb 10, 11:20 AM CST	Special Marine Warning	MOB		40 min
Feb 10, 11:57 AM CST	Special Marine Warning	MOB		48 min
Feb 10, 12:36 PM CST	Special Marine Warning	MOB		54 min
Feb 10, 12:44 PM CST	Special Marine Warning	MOB		31 min
Feb 10, 1:00 PM CST	Special Weather Statement	MOB	Baldwin	30 min
Feb 10, 1:29 PM CST	Special Marine Warning	MOB		61 min
Feb 10, 2:17 PM CST	Special Weather Statement	MOB	Baldwin	43 min
Feb 10, 2:31 PM CST	Special Marine Warning	MOB		59 min
Feb 10, 2:50 PM CST	Special Marine Warning	MOB		55 min
Feb 10, 2:53 PM CST	Special Weather Statement	MOB	Baldwin, Escambia	52 min
Feb 10, 3:30 PM CST	Special Marine Warning	MOB		60 min
Feb 10, 3:33 PM CST	Special Weather Statement	MOB	Escambia	42 min
Feb 10, 4:10 PM CST	Special Weather Statement	MOB	Conecuh, Escambia	50 min
Feb 10, 4:30 PM CST	Special Marine Warning	MOB		60 min
Feb 10, 4:45 PM CST	Special Weather Statement	MOB	Washington	45 min
Feb 10, 4:48 PM CST	Marine Dense Fog Advisory	MOB		15 hr
Feb 10, 4:49 PM CST	Severe Thunderstorm Warning	MOB	Washington	41 min
Feb 10, 5:10 PM CST	Tornado Warning	MOB	Washington	35 min
Feb 10, 5:41 PM CST	Severe Thunderstorm Warning	MOB	Choctaw, Clarke, Washington	49 min

Nearby

Tornado Warnings in Alabama, 2018 Every tornado warning in 2018 Tornadoes 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.