Alert archive / Alabama / Tornado Warnings in 2017

Tornado Warning 35, NWS Mobile, AL

June 21, 2017Baldwin County, Alabama

NWS Mobile, AL issued this tornado warning at Jun 21, 2017, 3:10 PM CDT for Baldwin County, Alabama. It was in force for 25 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
Jun 21, 2017, 3:10 PM CDT (20:10 UTC)
Expired
Jun 21, 2017, 3:35 PM CDT
In force
25 min
Issued by
NWS Mobile, AL
Area
Storm-based polygon
Tornado
Radar indicated
Hail
0.0 in

County Baldwin County, AL

The radar

The Mobile radar (KMOB), 46 km from the middle of the area, began a volume at 20:09 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.

IssuedProductOfficeLasted
Jun 21, 10:01 AM CDTTornado WatchSPC9 hr

The nearest sounding before it

Slidell Radar S, LA (KSIL), launched 12:00Z, 8.2 hours before the alert went out and 188 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, Slidell Radar S, LA at 12:00Z on 2017-06-21Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 262 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, Slidell Radar S, LA at 12:00Z on 2017-06-21The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 485 square meters per square second.193958Sfc1 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
262 J/kg
Mixed-layer CIN
-75 J/kg
Mixed-layer LCL
465 m above ground
0-6 km bulk shear
31 kt
0-1 km storm-relative helicity
485 m²/s²
0-3 km storm-relative helicity
506 m²/s²
Significant tornado parameter
0.0
Supercell composite
5.3

Open this sounding in Storm Lab

The text

As transmitted.

168 
WFUS54 KMOB 212010
TORMOB
ALC003-212100-
/O.NEW.KMOB.TO.W.0035.170621T2010Z-170621T2100Z/

BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service Mobile AL
310 PM CDT WED JUN 21 2017

The National Weather Service in Mobile has issued a

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

* Until 400 PM CDT
    
* At 309 PM CDT, a severe thunderstorm capable of producing a tornado
  was located over Summerdale, or near Robertsdale, moving northwest
  at 30 mph. Another developing circulation and possible tornado was
  located near Marlow and also moving northwest at 30 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...
  Robertsdale and Silverhill around 315 PM CDT. 
  Loxley around 325 PM CDT. 
  Daphne around 335 PM CDT. 
  Spanish Fort and Stapleton around 345 PM CDT. 

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.

Heavy rainfall may hide this tornado. Do not wait to see or hear the
tornado. TAKE COVER NOW!

&&

LAT...LON 3048 8763 3041 8785 3069 8800 3079 8775
TIME...MOT...LOC 2009Z 153DEG 24KT 3050 8771 

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

$$
2 follow-up statements
807 
WWUS54 KMOB 212021
SVSMOB

Severe Weather Statement
National Weather Service Mobile AL
321 PM CDT WED JUN 21 2017

ALC003-212100-
/O.CON.KMOB.TO.W.0035.000000T0000Z-170621T2100Z/
Baldwin AL-
321 PM CDT WED JUN 21 2017

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 400 PM CDT FOR WEST
CENTRAL BALDWIN COUNTY...
    
At 319 PM CDT, a severe thunderstorm capable of producing a tornado 
was located over Loxley, moving northwest at 30 mph. Another 
circulation is being monitored just east of Fairhope, also moving 
northwest at 30 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 330 PM CDT. 
  Spanish Fort and Stapleton around 340 PM CDT. 

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.

Heavy rainfall may hide this tornado. Do not wait to see or hear the
tornado. TAKE COVER NOW!

&&

LAT...LON 3057 8769 3047 8788 3069 8800 3079 8775
TIME...MOT...LOC 2019Z 150DEG 28KT 3058 8776 

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

$$
120 
WWUS54 KMOB 212035
SVSMOB

Severe Weather Statement
National Weather Service Mobile AL
335 PM CDT WED JUN 21 2017

ALC003-212045-
/O.CAN.KMOB.TO.W.0035.000000T0000Z-170621T2100Z/
Baldwin AL-
335 PM CDT WED JUN 21 2017

...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.

A tornado watch remains in effect until 700 PM CDT for southwestern
Alabama.

LAT...LON 3057 8769 3047 8788 3069 8800 3079 8775
TIME...MOT...LOC 2033Z 153DEG 24KT 3068 8782 

$$

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 20, 8:12 PM CDTSpecial Marine WarningMOB2 hr
Jun 20, 8:19 PM CDTCoastal Flood WarningMOBBaldwin, Mobile50 hr
Jun 20, 8:23 PM CDTAreal Flood AdvisoryMOBBaldwin, Mobile3 hr
Jun 20, 10:07 PM CDTSpecial Marine WarningMOB113 min
Jun 20, 10:16 PM CDTFlash Flood WarningMOBBaldwin, Mobile6 hr
Jun 20, 11:44 PM CDTSpecial Marine WarningMOB2 hr
Jun 21, 1:43 AM CDTSpecial Marine WarningMOB2 hr
Jun 21, 3:12 AM CDTSpecial Marine WarningMOB2 hr
Jun 21, 3:47 AM CDTSpecial Marine WarningMOB118 min
Jun 21, 4:15 AM CDTFlash Flood WarningMOBBaldwin, Mobile12 hr
Jun 21, 5:44 AM CDTSpecial Marine WarningMOB2 hr
Jun 21, 8:38 AM CDTRiver Flood WarningMOBEscambia48 hr
Jun 21, 8:38 AM CDTRiver Flood WarningMOBEscambia61 hr
Jun 21, 8:38 AM CDTRiver Flood WarningMOBEscambia67 hr
Jun 21, 8:38 AM CDTRiver Flood WarningMOBEscambia12 days
Jun 21, 8:38 AM CDTRiver Flood WarningMOBCovington, Escambia3 days
Jun 21, 10:14 AM CDTAreal Flood AdvisoryMOBBaldwin, Butler, Choctaw, Clarke, Conecuh, Covington and 4 more6 hr
Jun 21, 11:06 AM CDTFlash Flood WarningMOBButler, Conecuh, Covington, Escambia6 hr
Jun 21, 12:05 PM CDTFlash Flood WarningMOBBaldwin, Clarke, Conecuh, Escambia, Monroe, Washington6 hr
Jun 21, 12:35 PM CDTAreal Flood WarningMOBBaldwin, Butler, Choctaw, Clarke, Conecuh, Covington and 6 more24 hr
Jun 21, 2:29 PM CDTTornado WarningMOBBaldwin46 min
Jun 21, 2:44 PM CDTTornado WarningMOBEscambia30 min
Jun 21, 2:46 PM CDTTornado WarningMOBBaldwin59 min
Jun 21, 2:56 PM CDTSpecial Weather StatementMOBMobile34 min
Jun 21, 2:59 PM CDTSpecial Marine WarningMOB2 hr
Jun 21, 3:46 PM CDTFlash Flood WarningMOBBaldwin, Clarke, Mobile, Washington6 hr
Jun 21, 3:53 PM CDTTornado WarningMOBBaldwin52 min
Jun 21, 3:57 PM CDTSpecial Marine WarningMOB2 hr
Jun 21, 4:02 PM CDTRiver Flood WarningMOBMobile3 days
Jun 21, 4:17 PM CDTTornado WarningMOBEscambia43 min
Jun 21, 4:28 PM CDTSpecial Marine WarningMOB92 min
Jun 21, 4:52 PM CDTSevere Thunderstorm WarningMOBMobile38 min
Jun 21, 5:04 PM CDTSevere Thunderstorm WarningMOBBaldwin, Mobile86 min
Jun 21, 5:42 PM CDTSpecial Marine WarningMOB63 min
Jun 21, 5:48 PM CDTSevere Thunderstorm WarningMOBBaldwin44 min
Jun 21, 5:51 PM CDTFlash Flood WarningMOBBaldwin, Choctaw, Clarke, Conecuh, Escambia, Monroe and 1 more6 hr
Jun 21, 5:51 PM CDTSpecial Marine WarningMOB114 min
Jun 21, 6:10 PM CDTSevere Thunderstorm WarningMOBBaldwin26 min
Jun 21, 6:43 PM CDTSpecial Marine WarningMOB2 hr
Jun 21, 6:45 PM CDTTornado WarningMOBCovington45 min

Nearby

Tornado Warnings in Alabama, 2017Every tornado warning in 2017Tornadoes 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.