Alert archive / Alabama / Wind Advisories in 2020

Wind Advisory 11, NWS Mobile, AL

April 18, 202012 counties in Alabama; Escambia County, Okaloosa County, Santa Rosa County, Florida; 5 counties in Mississippi

NWS Mobile, AL issued this wind advisory at Apr 18, 2020, 3:42 PM CDT for 12 counties in Alabama; Escambia County, Okaloosa County, Santa Rosa County, Florida; 5 counties in Mississippi. It took effect at Apr 19, 2020, 12:00 PM CDT. It was in force for 14 hr.

The area

The counties it named.

The facts

Issued
Apr 18, 2020, 3:42 PM CDT (20:42 UTC)
In effect from
Apr 19, 2020, 12:00 PM CDT
Expired
Apr 20, 2020, 2:05 AM CDT
In force
14 hr
Issued by
NWS Mobile, AL

Counties Baldwin County, AL, Butler County, AL, Choctaw County, AL, Clarke County, AL, Conecuh County, AL, Covington County, AL, Crenshaw County, AL, Escambia County, AL, Mobile County, AL, Monroe County, AL, Washington County, AL, Wilcox County, AL, Escambia County, FL, Okaloosa County, FL, Santa Rosa County, FL, George County, MS, Greene County, MS, Perry County, MS, Stone County, MS, Wayne County, MS

The radar

The Mobile radar (KMOB), 83 km from the middle of the area, began a volume at 20:43 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, 8.7 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 2020-04-18Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 983 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 2020-04-18The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 78 square meters per square second.1939587897Sfc1 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
983 J/kg
Mixed-layer CIN
-20 J/kg
Mixed-layer LCL
590 m above ground
0-6 km bulk shear
69 kt
0-1 km storm-relative helicity
78 m²/s²
0-3 km storm-relative helicity
130 m²/s²
Significant tornado parameter
0.9
Supercell composite
3.7

Open this sounding in Storm Lab

The text

As transmitted.

148 
WWUS74 KMOB 182042
NPWMOB

URGENT - WEATHER MESSAGE
National Weather Service Mobile AL
342 PM CDT Sat Apr 18 2020

ALZ052-053-055-056-059-261>266-FLZ201>206-190445-
/O.NEW.KMOB.WI.Y.0011.200419T1700Z-200420T0600Z/
Washington-Clarke-Monroe-Conecuh-Escambia-Mobile Inland-
Baldwin Inland-Mobile Central-Baldwin Central-Mobile Coastal-
Baldwin Coastal-Escambia Inland-Escambia Coastal-
Santa Rosa Inland-Santa Rosa Coastal-Okaloosa Inland-
Okaloosa Coastal-
Including the cities of Chatom, Millry, Grove Hill, Jackson, 
Thomasville, Homewood, Monroeville, Evergreen, Atmore, Brewton, 
Flomaton, Citronelle, Saraland, Stockton, Mobile, Prichard, 
Theodore, Bay Minette, Daphne, Fairhope, Foley, Spanish Fort, 
Bayou La Batre, Dauphin Island, Grand Bay, Fort Morgan, 
Gulf Shores, Orange Beach, Century, Molino, Walnut Hill, Beulah, 
Ensley, Fort Pickens, Pensacola, Pensacola Beach, Perdido Bay, 
Jay, Milton, Bagdad, Gulf Breeze, Navarre, Crestview, Destin, 
Eglin AFB, Fort Walton Beach, Niceville, Seminole, Valparaiso, 
and Wright
342 PM CDT Sat Apr 18 2020

...WIND ADVISORY IN EFFECT FROM NOON SUNDAY TO 1 AM CDT MONDAY...

* WHAT...South winds 15 to 25 mph with gusts up to 30 mph 
  expected.

* WHERE...Portions of south central and southwest Alabama and 
  northwest Florida.

* WHEN...From noon Sunday to 1 AM CDT Monday.

* IMPACTS...Gusty winds could blow around unsecured objects. 
  Tree limbs could be blown down and a few power outages may 
  result.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Use extra caution when driving, especially if operating a high
profile vehicle. Secure outdoor objects.

&&

$$
6 follow-up statements
933 
WWUS74 KMOB 190513
NPWMOB

URGENT - WEATHER MESSAGE
National Weather Service Mobile AL
1213 AM CDT Sun Apr 19 2020

ALZ052-053-055-056-059-261>266-FLZ201>206-191300-
/O.CON.KMOB.WI.Y.0011.200419T1700Z-200420T0600Z/
Washington-Clarke-Monroe-Conecuh-Escambia-Mobile Inland-
Baldwin Inland-Mobile Central-Baldwin Central-Mobile Coastal-
Baldwin Coastal-Escambia Inland-Escambia Coastal-
Santa Rosa Inland-Santa Rosa Coastal-Okaloosa Inland-
Okaloosa Coastal-
Including the cities of Chatom, Millry, Grove Hill, Jackson, 
Thomasville, Homewood, Monroeville, Evergreen, Atmore, Brewton, 
Flomaton, Citronelle, Saraland, Stockton, Mobile, Prichard, 
Theodore, Bay Minette, Daphne, Fairhope, Foley, Spanish Fort, 
Bayou La Batre, Dauphin Island, Grand Bay, Fort Morgan, 
Gulf Shores, Orange Beach, Century, Molino, Walnut Hill, Beulah, 
Ensley, Fort Pickens, Pensacola, Pensacola Beach, Perdido Bay, 
Jay, Milton, Bagdad, Gulf Breeze, Navarre, Crestview, Destin, 
Eglin AFB, Fort Walton Beach, Niceville, Seminole, Valparaiso, 
and Wright
1213 AM CDT Sun Apr 19 2020

...WIND ADVISORY REMAINS IN EFFECT FROM NOON TODAY TO 1 AM CDT
MONDAY...

* WHAT...South winds 15 to 25 mph with gusts up to 30 mph 
  expected.

* WHERE...Portions of south central and southwest Alabama and 
  northwest Florida.

* WHEN...From noon today to 1 AM CDT Monday.

* IMPACTS...Gusty winds could blow around unsecured objects. 
  Tree limbs could be blown down and a few power outages may 
  result.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Use extra caution when driving, especially if operating a high
profile vehicle. Secure outdoor objects.

&&

$$
688 
WWUS74 KMOB 190709
NPWMOB

URGENT - WEATHER MESSAGE
National Weather Service Mobile AL
209 AM CDT Sun Apr 19 2020

ALZ051-054-057-058-060-MSZ067-075-076-078-079-191515-
/O.EXA.KMOB.WI.Y.0011.200419T1700Z-200420T0600Z/
Choctaw-Wilcox-Butler-Crenshaw-Covington-Wayne-Perry-Greene-Stone-
George-
Including the cities of Butler, Lisman, Silas, Camden, Pine Hill,
Greenville, Brantley, Luverne, Andalusia, Opp, Waynesboro, 
Beaumont, New Augusta, Richton, Leakesville, McLain, Wiggins, 
and Lucedale
209 AM CDT Sun Apr 19 2020

...WIND ADVISORY IN EFFECT FROM NOON TODAY TO 1 AM CDT MONDAY...

* WHAT...Southwest winds 15 to 25 mph with gusts up to 30 mph 
  expected.

* WHERE...In Alabama, Choctaw, Wilcox, Butler, Crenshaw and 
  Covington Counties. In Mississippi, Wayne, Perry, Greene, 
  Stone and George Counties.

* WHEN...From noon today to 1 AM CDT Monday.

* IMPACTS...Gusty winds could blow around unsecured objects. 
  Tree limbs could be blown down and a few power outages may 
  result.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Use extra caution when driving, especially if operating a high
profile vehicle. Secure outdoor objects.

&&

$$

ALZ052-053-055-056-059-261>266-FLZ201>206-191515-
/O.CON.KMOB.WI.Y.0011.200419T1700Z-200420T0600Z/
Washington-Clarke-Monroe-Conecuh-Escambia-Mobile Inland-
Baldwin Inland-Mobile Central-Baldwin Central-Mobile Coastal-
Baldwin Coastal-Escambia Inland-Escambia Coastal-
Santa Rosa Inland-Santa Rosa Coastal-Okaloosa Inland-
Okaloosa Coastal-
Including the cities of Chatom, Millry, Grove Hill, Jackson, 
Thomasville, Homewood, Monroeville, Evergreen, Atmore, Brewton, 
Flomaton, Citronelle, Saraland, Stockton, Mobile, Prichard, 
Theodore, Bay Minette, Daphne, Fairhope, Foley, Spanish Fort, 
Bayou La Batre, Dauphin Island, Grand Bay, Fort Morgan, 
Gulf Shores, Orange Beach, Century, Molino, Walnut Hill, Beulah, 
Ensley, Fort Pickens, Pensacola, Pensacola Beach, Perdido Bay, 
Jay, Milton, Bagdad, Gulf Breeze, Navarre, Crestview, Destin, 
Eglin AFB, Fort Walton Beach, Niceville, Seminole, Valparaiso, 
and Wright
209 AM CDT Sun Apr 19 2020

...WIND ADVISORY REMAINS IN EFFECT FROM NOON TODAY TO 1 AM CDT
MONDAY...

* WHAT...Southwest winds 15 to 25 mph with gusts up to 30 mph 
  expected.

* WHERE...Portions of south central and southwest Alabama and 
  northwest Florida.

* WHEN...From noon today to 1 AM CDT Monday.

* IMPACTS...Gusty winds could blow around unsecured objects. 
  Tree limbs could be blown down and a few power outages may 
  result.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Use extra caution when driving, especially if operating a high
profile vehicle. Secure outdoor objects.

&&

$$
104 
WWUS74 KMOB 191515
NPWMOB

URGENT - WEATHER MESSAGE
National Weather Service Mobile AL
1015 AM CDT Sun Apr 19 2020

ALZ051>060-261>266-FLZ201>206-MSZ067-075-076-078-079-192315-
/O.CON.KMOB.WI.Y.0011.200419T1700Z-200420T0600Z/
Choctaw-Washington-Clarke-Wilcox-Monroe-Conecuh-Butler-Crenshaw-
Escambia-Covington-Mobile Inland-Baldwin Inland-Mobile Central-
Baldwin Central-Mobile Coastal-Baldwin Coastal-Escambia Inland-
Escambia Coastal-Santa Rosa Inland-Santa Rosa Coastal-
Okaloosa Inland-Okaloosa Coastal-Wayne-Perry-Greene-Stone-George-
Including the cities of Butler, Lisman, Silas, Chatom, Millry, 
Grove Hill, Jackson, Thomasville, Camden, Pine Hill, Homewood, 
Monroeville, Evergreen, Greenville, Brantley, Luverne, Atmore, 
Brewton, Flomaton, Andalusia, Opp, Citronelle, Saraland, 
Stockton, Mobile, Prichard, Theodore, Bay Minette, Daphne, 
Fairhope, Foley, Spanish Fort, Bayou La Batre, Dauphin Island, 
Grand Bay, Fort Morgan, Gulf Shores, Orange Beach, Century, 
Molino, Walnut Hill, Beulah, Ensley, Fort Pickens, Pensacola, 
Pensacola Beach, Perdido Bay, Jay, Milton, Bagdad, Gulf Breeze, 
Navarre, Crestview, Destin, Eglin AFB, Fort Walton Beach, 
Niceville, Seminole, Valparaiso, Wright, Waynesboro, Beaumont, 
New Augusta, Richton, Leakesville, McLain, Wiggins, and Lucedale
1015 AM CDT Sun Apr 19 2020

...WIND ADVISORY REMAINS IN EFFECT UNTIL 1 AM CDT MONDAY...

* WHAT...Southwest winds 20 to 30 mph with gusts up to 35 mph 
  expected.

* WHERE...In Alabama, Choctaw, Wilcox, Butler, Crenshaw and 
  Covington Counties. In Mississippi, Wayne, Perry, Greene, 
  Stone and George Counties.

* WHEN...From noon today to 1 AM CDT Monday.

* IMPACTS...Gusty winds could blow around unsecured objects. 
  Tree limbs could be blown down and a few power outages may 
  result.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Use extra caution when driving, especially if operating a high
profile vehicle. Secure outdoor objects.

&&

$$
275 
WWUS74 KMOB 192023
NPWMOB

URGENT - WEATHER MESSAGE
National Weather Service Mobile AL
323 PM CDT Sun Apr 19 2020

ALZ051>055-261>263-265-MSZ067-075-076-078-079-200800-
/O.EXT.KMOB.WI.Y.0011.000000T0000Z-200420T0800Z/
Choctaw-Washington-Clarke-Wilcox-Monroe-Mobile Inland-
Baldwin Inland-Mobile Central-Mobile Coastal-Wayne-Perry-Greene-
Stone-George-
Including the cities of Butler, Lisman, Silas, Chatom, Millry, 
Grove Hill, Jackson, Thomasville, Camden, Pine Hill, Homewood, 
Monroeville, Citronelle, Saraland, Stockton, Mobile, Prichard, 
Theodore, Bayou La Batre, Dauphin Island, Grand Bay, Waynesboro, 
Beaumont, New Augusta, Richton, Leakesville, McLain, Wiggins, 
and Lucedale
323 PM CDT Sun Apr 19 2020

...WIND ADVISORY NOW IN EFFECT UNTIL 3 AM CDT MONDAY...

* WHAT...South to southwest winds 20 to 30 mph with gusts up to 
  35 mph expected.

* WHERE...In Alabama, Choctaw, Wilcox, Butler, Crenshaw and 
  Covington Counties. In Mississippi, Wayne, Perry, Greene, 
  Stone and George Counties.

* WHEN...Until 3 AM CDT Monday.

* IMPACTS...Gusty winds could blow around unsecured objects. 
  Tree limbs could be blown down and a few power outages may 
  result.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Use extra caution when driving, especially if operating a high
profile vehicle. Secure outdoor objects.

&&

$$

ALZ056>060-264-266-FLZ201>206-200800-
/O.EXT.KMOB.WI.Y.0011.000000T0000Z-200420T1100Z/
Conecuh-Butler-Crenshaw-Escambia-Covington-Baldwin Central-
Baldwin Coastal-Escambia Inland-Escambia Coastal-
Santa Rosa Inland-Santa Rosa Coastal-Okaloosa Inland-
Okaloosa Coastal-
Including the cities of Evergreen, Greenville, Brantley, Luverne,
Atmore, Brewton, Flomaton, Andalusia, Opp, Bay Minette, Daphne, 
Fairhope, Foley, Spanish Fort, Fort Morgan, Gulf Shores, 
Orange Beach, Century, Molino, Walnut Hill, Beulah, Ensley, 
Fort Pickens, Pensacola, Pensacola Beach, Perdido Bay, Jay, 
Milton, Bagdad, Gulf Breeze, Navarre, Crestview, Destin, 
Eglin AFB, Fort Walton Beach, Niceville, Seminole, Valparaiso, 
and Wright
323 PM CDT Sun Apr 19 2020

...WIND ADVISORY NOW IN EFFECT UNTIL 6 AM CDT MONDAY...

* WHAT...South to southwest winds 20 to 30 mph with gusts up to 
  35 mph expected.

* WHERE...In Alabama, Choctaw, Wilcox, Butler, Crenshaw and 
  Covington Counties. In Mississippi, Wayne, Perry, Greene, 
  Stone and George Counties.

* WHEN...Until 6 AM CDT Monday.

* IMPACTS...Gusty winds could blow around unsecured objects. 
  Tree limbs could be blown down and a few power outages may 
  result.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Use extra caution when driving, especially if operating a high
profile vehicle. Secure outdoor objects.

&&

$$
067 
WWUS74 KMOB 200325
NPWMOB

URGENT - WEATHER MESSAGE
National Weather Service Mobile AL
1025 PM CDT Sun Apr 19 2020

ALZ051>055-261-262-MSZ067-075-076-078-079-200430-
/O.CAN.KMOB.WI.Y.0011.000000T0000Z-200420T0800Z/
Choctaw-Washington-Clarke-Wilcox-Monroe-Mobile Inland-
Baldwin Inland-Wayne-Perry-Greene-Stone-George-
Including the cities of Butler, Lisman, Silas, Chatom, Millry, 
Grove Hill, Jackson, Thomasville, Camden, Pine Hill, Homewood, 
Monroeville, Citronelle, Saraland, Stockton, Waynesboro, 
Beaumont, New Augusta, Richton, Leakesville, McLain, Wiggins, 
and Lucedale
1025 PM CDT Sun Apr 19 2020

...WIND ADVISORY IS CANCELLED...

Latest observations indicate wind speeds have lowered to below
wind advisory criteria. 

$$

ALZ056>060-200430-
/O.CAN.KMOB.WI.Y.0011.000000T0000Z-200420T1100Z/
Conecuh-Butler-Crenshaw-Escambia-Covington-
Including the cities of Evergreen, Greenville, Brantley, Luverne,
Atmore, Brewton, Flomaton, Andalusia, and Opp
1025 PM CDT Sun Apr 19 2020

...WIND ADVISORY IS CANCELLED...

Latest observations indicate wind speeds have lowered to below
wind advisory criteria. 

$$

ALZ263>266-FLZ201>206-200900-
/O.EXT.KMOB.WI.Y.0011.000000T0000Z-200420T0900Z/
Mobile Central-Baldwin Central-Mobile Coastal-Baldwin Coastal-
Escambia Inland-Escambia Coastal-Santa Rosa Inland-
Santa Rosa Coastal-Okaloosa Inland-Okaloosa Coastal-
Including the cities of Mobile, Prichard, Theodore, Bay Minette, 
Daphne, Fairhope, Foley, Spanish Fort, Bayou La Batre, 
Dauphin Island, Grand Bay, Fort Morgan, Gulf Shores, 
Orange Beach, Century, Molino, Walnut Hill, Beulah, Ensley, 
Fort Pickens, Pensacola, Pensacola Beach, Perdido Bay, Jay, 
Milton, Bagdad, Gulf Breeze, Navarre, Crestview, Destin, 
Eglin AFB, Fort Walton Beach, Niceville, Seminole, Valparaiso, 
and Wright
1025 PM CDT Sun Apr 19 2020

...WIND ADVISORY NOW IN EFFECT UNTIL 4 AM CDT MONDAY...

* WHAT...South to southwest winds 15 to 25 with frequent higher
  gusts to around 30 mph.

* WHERE...In Alabama, Mobile and Baldwin and Escambia, Santa Rosa
  and Okaloosa counties in northwest Florida. 
  
* WHEN...Until 4 AM CDT Monday.

* IMPACTS...Gusty winds could blow around unsecured objects. 
  Tree limbs could be blown down and a few power outages may 
  result.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Use extra caution when driving, especially if operating a high
profile vehicle. Secure outdoor objects.

&&

$$
901 
WWUS74 KMOB 200705
NPWMOB

URGENT - WEATHER MESSAGE
National Weather Service Mobile AL
205 AM CDT Mon Apr 20 2020

ALZ263>266-FLZ201>206-200815-
/O.CAN.KMOB.WI.Y.0011.000000T0000Z-200420T0900Z/
Mobile Central-Baldwin Central-Mobile Coastal-Baldwin Coastal-
Escambia Inland-Escambia Coastal-Santa Rosa Inland-
Santa Rosa Coastal-Okaloosa Inland-Okaloosa Coastal-
Including the cities of Mobile, Prichard, Theodore, Bay Minette, 
Daphne, Fairhope, Foley, Spanish Fort, Bayou La Batre, 
Dauphin Island, Grand Bay, Fort Morgan, Gulf Shores, 
Orange Beach, Century, Molino, Walnut Hill, Beulah, Ensley, 
Fort Pickens, Pensacola, Pensacola Beach, Perdido Bay, Jay, 
Milton, Bagdad, Gulf Breeze, Navarre, Crestview, Destin, 
Eglin AFB, Fort Walton Beach, Niceville, Seminole, Valparaiso, 
and Wright
205 AM CDT Mon Apr 20 2020

...WIND ADVISORY IS CANCELLED...

Wind speed has lowered to below advisory criteria.

$$

The office that day

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

IssuedProductOfficeCountiesLasted
Apr 18, 3:46 AM CDTSpecial Marine WarningMOB89 min
Apr 18, 4:09 AM CDTFlash Flood WatchMOBButler, Choctaw, Clarke, Conecuh, Crenshaw, Monroe and 1 more45 hr
Apr 18, 4:26 AM CDTSpecial Marine WarningMOB94 min
Apr 18, 10:45 AM CDTRiver Flood WarningMOBClarke, Monroe, Wilcox11 days
Apr 18, 11:46 AM CDTSpecial Marine WarningMOB44 min
Apr 18, 4:52 PM CDTSpecial Marine WarningMOB38 min

Nearby

Wind Advisories in Alabama, 2020Wind Advisories in Mississippi, 2020Wind Advisories in Florida, 2020Every wind advisory in 2020

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.