Alert archive / Alabama / Tornado Warnings in 2017

Tornado Warning 34, NWS Mobile, AL

June 21, 2017Baldwin County, Alabama; Escambia County, Florida

NWS Mobile, AL issued this tornado warning at Jun 21, 2017, 2:46 PM CDT for Baldwin County, Alabama; Escambia County, Florida. It was in force for 59 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, 2:46 PM CDT (19:46 UTC)
Expired
Jun 21, 2017, 3:45 PM CDT
In force
59 min
Issued by
NWS Mobile, AL
Area
Storm-based polygon
Tornado
Radar indicated
Hail
0.0 in

Counties Baldwin County, AL, Escambia County, FL

The radar

The Mobile radar (KMOB), 85 km from the middle of the area, began a volume at 19:49 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, 7.8 hours before the alert went out and 223 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.

056 
WFUS54 KMOB 211946
TORMOB
ALC003-FLC033-212045-
/O.NEW.KMOB.TO.W.0034.170621T1946Z-170621T2045Z/

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

The National Weather Service in Mobile has issued a

* Tornado Warning for...
  Southeastern Baldwin County in southwestern Alabama...
  South central Escambia County in northwestern Florida...

* Until 345 PM CDT
    
* At 246 PM CDT, a severe thunderstorm capable of producing a tornado
  was located 8 miles south of Warrington, 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...
  Warrington around 300 PM CDT. 
  Myrtle Grove around 305 PM CDT. 
  Lillian around 310 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.

&&

LAT...LON 3031 8723 3029 8743 3062 8765 3072 8741
TIME...MOT...LOC 1946Z 154DEG 28KT 3026 8730 

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

$$
3 follow-up statements
707 
WWUS54 KMOB 212014
SVSMOB

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

ALC003-FLC033-212045-
/O.CON.KMOB.TO.W.0034.000000T0000Z-170621T2045Z/
Baldwin AL-Escambia FL-
314 PM CDT WED JUN 21 2017

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 345 PM CDT FOR EAST
CENTRAL BALDWIN AND SOUTH CENTRAL ESCAMBIA COUNTIES...
    
At 312 PM CDT, a severe thunderstorm capable of producing a tornado
was located near Lillian, or 7 miles west of West Pensacola, moving
north at 35 mph.

A second possible tornado producing storm located near the Escambia 
Florida Baldwin County Border was located just east of this cell, in 
the same warned area,  and was also moving to the north at 35 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
east central Baldwin and south central Escambia Counties.

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 3038 8745 3062 8765 3072 8741 3041 8727
TIME...MOT...LOC 2012Z 165DEG 30KT 3045 8740 

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

$$
119 
WWUS54 KMOB 212035 RRA
SVSMOB

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

ALC003-FLC033-212045-
/O.CON.KMOB.TO.W.0034.000000T0000Z-170621T2045Z/
Baldwin AL-Escambia FL-
335 PM CDT WED JUN 21 2017

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 345 PM CDT FOR EAST
CENTRAL BALDWIN AND CENTRAL ESCAMBIA COUNTIES...
    
At 334 PM CDT, a severe thunderstorm capable of producing a tornado
was located near Gonzalez, moving north at 35 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. 

Locations impacted include...
Pensacola.

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 3049 8742 3065 8758 3072 8741 3050 8731
TIME...MOT...LOC 2034Z 166DEG 32KT 3055 8735 

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

$$
140 
WWUS54 KMOB 212046
SVSMOB

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

ALC003-FLC033-212055-
/O.EXP.KMOB.TO.W.0034.000000T0000Z-170621T2045Z/
Baldwin AL-Escambia FL-
346 PM CDT WED JUN 21 2017

...THE TORNADO WARNING FOR EAST CENTRAL BALDWIN AND CENTRAL ESCAMBIA
COUNTIES HAS EXPIRED...
                
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 allowed to expire. There is still 
broad rotation with this storm and we will continue to monitor it 
closely. 

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

LAT...LON 3049 8742 3065 8758 3072 8741 3050 8731
TIME...MOT...LOC 2045Z 154DEG 28KT 3063 8740 

$$

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, 2:56 PM CDTSpecial Weather StatementMOBMobile34 min
Jun 21, 2:59 PM CDTSpecial Marine WarningMOB2 hr
Jun 21, 3:10 PM CDTTornado WarningMOBBaldwin25 min
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
Jun 21, 1:56 AM CDTFlash Flood WarningMOBEscambia, Santa Rosa12 hr
Jun 21, 4:33 AM CDTTornado WarningMOBOkaloosa31 min
Jun 21, 6:11 AM CDTTornado WarningMOBOkaloosa22 min
Jun 21, 6:56 AM CDTFlash Flood WarningMOBOkaloosa, Santa Rosa6 hr
Jun 21, 8:38 AM CDTRiver Flood WarningMOBOkaloosa3 days
Jun 21, 2:15 PM CDTTornado WarningMOBOkaloosa, Santa Rosa45 min
Jun 21, 6:33 PM CDTSpecial Weather StatementMOBEscambia42 min

Nearby

Tornado Warnings in Alabama, 2017Tornado Warnings in Florida, 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.