Alert archive / Alabama / Tornado Warnings in 2018

Tornado Warning 5, NWS Mobile, AL

April 22, 2018Escambia County, Alabama

NWS Mobile, AL issued this tornado warning at Apr 22, 2018, 1:57 PM CDT for Escambia County, Alabama. It was in force for 33 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
Apr 22, 2018, 1:57 PM CDT (18:57 UTC)
Expired
Apr 22, 2018, 2:30 PM CDT
In force
33 min
Issued by
NWS Mobile, AL
Area
Storm-based polygon
Tornado
Radar indicated
Hail
0.0 in

County Escambia County, AL

The radar

The Eglin Afb radar (KEVX), 107 km from the middle of the area, began a volume at 18:59 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
Apr 22, 2:01 PM CDTTSTM WND DMGRoberts, ALREPORTS OF DAMAGE TO A MOBILE HOME AND ALONG YELLOW CREEK ROAD NEAR THE COMMUNITY OF ROBERTS, ALABAMA.
Apr 22, 2:01 PM CDTTSTM WND DMGRoberts, ALREPORTS OF DAMAGE TO A MOBILE HOME AND ALONG YELLOW CREEK ROAD NEAR THE COMMUNITY OF ROBERTS, ALABAMA.

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

The nearest sounding before it

Birmingham, AL (KBMX), launched 12:00Z, 7.0 hours before the alert went out and 224 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, Birmingham, AL at 12:00Z on 2018-04-22Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 29 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Birmingham, AL at 12:00Z on 2018-04-22The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 286 square meters per square second.19395878Sfc1 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
29 J/kg
Mixed-layer CIN
-102 J/kg
Mixed-layer LCL
562 m above ground
0-6 km bulk shear
48 kt
0-1 km storm-relative helicity
286 m²/s²
0-3 km storm-relative helicity
264 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.2

Open this sounding in Storm Lab

The text

As transmitted.

177 
WFUS54 KMOB 221857
TORMOB
ALC053-221930-
/O.NEW.KMOB.TO.W.0005.180422T1857Z-180422T1930Z/

BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service Mobile AL
157 PM CDT SUN APR 22 2018

The National Weather Service in Mobile has issued a

* Tornado Warning for...
  Eastern Escambia County in south central Alabama...

* Until 230 PM CDT.
    
* At 157 PM CDT, a severe thunderstorm capable of producing a tornado
  was located 8 miles east of Riverview, or 9 miles east of Brewton,
  moving northeast at 25 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 tornadic thunderstorm will remain over mainly rural areas of
  eastern Escambia County.

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 3100 8692 3103 8698 3126 8686 3126 8677
      3124 8677 3122 8676 3121 8677 3120 8677
      3119 8676 3120 8674 3118 8673 3118 8672
      3119 8672 3119 8670 3117 8670
TIME...MOT...LOC 1857Z 214DEG 22KT 3106 8692 

TORNADO...RADAR INDICATED
HAIL...0.00IN

$$
1 follow-up statement
785 
WWUS54 KMOB 221920
SVSMOB

Severe Weather Statement
National Weather Service Mobile AL
220 PM CDT SUN APR 22 2018

ALC053-221930-
/O.CON.KMOB.TO.W.0005.000000T0000Z-180422T1930Z/
Escambia AL-
220 PM CDT SUN APR 22 2018

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 230 PM CDT FOR
NORTHEASTERN ESCAMBIA COUNTY...
    
At 219 PM CDT, a severe thunderstorm capable of producing a tornado
was located 16 miles east of East Brewton, or 17 miles east of
Brewton, 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 tornadic thunderstorm will remain over mainly rural areas of
northeastern Escambia County.

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 3111 8680 3115 8686 3124 8682 3126 8677
      3124 8677 3122 8676 3121 8677 3120 8677
      3119 8676 3120 8674 3118 8673 3118 8672
      3119 8672 3119 8670 3117 8670
TIME...MOT...LOC 1919Z 208DEG 17KT 3116 8679 

TORNADO...RADAR INDICATED
HAIL...0.00IN

$$

The office that day

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

IssuedProductOfficeCountiesLasted
Apr 22, 12:14 PM CDTSpecial Weather StatementMOBClarke46 min
Apr 22, 12:26 PM CDTSpecial Weather StatementMOBMonroe19 min
Apr 22, 12:37 PM CDTSpecial Weather StatementMOBCovington38 min
Apr 22, 1:17 PM CDTSpecial Marine WarningMOB58 min
Apr 22, 1:26 PM CDTTornado WarningMOBEscambia34 min
Apr 22, 1:32 PM CDTSpecial Marine WarningMOB43 min
Apr 22, 1:43 PM CDTSpecial Weather StatementMOBCrenshaw47 min
Apr 22, 1:47 PM CDTTornado WarningMOBCrenshaw28 min
Apr 22, 1:53 PM CDTSevere Thunderstorm WarningMOBEscambia37 min
Apr 22, 2:05 PM CDTSpecial Marine WarningMOB55 min
Apr 22, 2:07 PM CDTSpecial Marine WarningMOB53 min
Apr 22, 2:09 PM CDTTornado WarningMOBButler, Covington, Crenshaw23 min
Apr 22, 2:10 PM CDTSpecial Marine WarningMOB65 min
Apr 22, 2:11 PM CDTTornado Warning Tornado observedMOBCrenshaw19 min
Apr 22, 2:29 PM CDTTornado WarningMOBConecuh, Covington, Escambia13 min
Apr 22, 2:50 PM CDTSpecial Marine WarningMOB55 min
Apr 22, 2:55 PM CDTSpecial Marine WarningMOB65 min
Apr 22, 3:02 PM CDTSpecial Marine WarningMOB58 min
Apr 22, 3:07 PM CDTSpecial Marine WarningMOB38 min
Apr 22, 3:25 PM CDTTornado WarningMOBBaldwin35 min
Apr 22, 3:44 PM CDTSpecial Marine WarningMOB61 min
Apr 22, 4:18 PM CDTSpecial Marine WarningMOB27 min
Apr 22, 4:59 PM CDTSpecial Weather StatementMOBChoctaw46 min
Apr 22, 5:08 PM CDTSpecial Weather StatementMOBEscambia37 min
Apr 22, 5:44 PM CDTSpecial Weather StatementMOBChoctaw46 min
Apr 22, 6:00 PM CDTSevere Thunderstorm WarningMOBChoctaw, Clarke22 min
Apr 22, 6:46 PM CDTSpecial Weather StatementMOBWilcox29 min

Nearby

Tornado Warnings in Alabama, 2018Every tornado warning in 2018Tornadoes 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.