Alert archive / Alabama / High Wind Warnings in 2021

High Wind Warning 1, NWS Mobile, AL

April 13, 2021Baldwin County, Escambia County, Mobile County, Alabama; Escambia County, Florida; George County, Stone County, Mississippi

NWS Mobile, AL issued this high wind warning at Apr 13, 2021, 6:09 PM CDT for Baldwin County, Escambia County, Mobile County, Alabama; Escambia County, Florida; George County, Stone County, Mississippi. It was in force for 3 hr. 4 reports came from inside the area while it was in force.

The area

The counties it named, with what was reported inside it.

The facts

Issued
Apr 13, 2021, 6:09 PM CDT (23:09 UTC)
Expired
Apr 13, 2021, 8:51 PM CDT
In force
3 hr
Issued by
NWS Mobile, AL

Counties Baldwin County, AL, Escambia County, AL, Mobile County, AL, Escambia County, FL, George County, MS, Stone County, MS

The radar

The Mobile radar (KMOB), 23 km from the middle of the area, began a volume at 23:09 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.

What was reported inside it

TimeReportWhereRemark
Apr 13, 6:23 PM CDTNON-TSTM WND GST 401 Wnw Mobile Regional A, ALASOS STATION KMOB MOBILE BATES FIELD AIRPORT MEASURED A WIND GUST OF 40 MPH.
Apr 13, 6:51 PM CDTNON-TSTM WND GST 41Brookley Field Asos, ALASOS STATION KBFM MOBILE BROOKLEY AIRPORT MEASURED A WIND GUST OF 41 MPH.
Apr 13, 7:40 PM CDTNON-TSTM WND GST 402 Nnw Brent, FLMESONET STATION 0402W 2.3 N BRENT (WEATHERSTEM) MEASURED A WIND GUST OF 40 MPH.
Apr 13, 7:45 PM CDTNON-TSTM WND GST 461 Nne Pensacola Interna, FLASOS STATION KPNS PENSACOLA MEASURED A WIND GUST OF 46 MPH.

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

The nearest sounding before it

Slidell Radar S, LA (KSIL), launched 12:00Z, 11.2 hours before the alert went out and 170 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 2021-04-13Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 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 2021-04-13The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 70 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
1989 m above ground
0-6 km bulk shear
41 kt
0-1 km storm-relative helicity
70 m²/s²
0-3 km storm-relative helicity
88 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

795 
WWUS74 KMOB 132309
NPWMOB

URGENT - WEATHER MESSAGE
National Weather Service Mobile AL
609 PM CDT Tue Apr 13 2021

ALZ059-261>266-FLZ201-202-MSZ078-079-140200-
/O.NEW.KMOB.HW.W.0001.210413T2309Z-210414T0200Z/
Escambia-Mobile Inland-Baldwin Inland-Mobile Central-
Baldwin Central-Mobile Coastal-Baldwin Coastal-Escambia Inland-
Escambia Coastal-Stone-George-
Including the cities of 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, Wiggins, 
and Lucedale
609 PM CDT Tue Apr 13 2021

...HIGH WIND WARNING IN EFFECT UNTIL 9 PM CDT THIS EVENING...

* WHAT...High winds of 40 to 60 mph will persist through early
  this evening in the wake of a dissipating band of showers and
  thunderstorms. 

* WHERE...Portions of south central and southwest Alabama,
  northwest Florida and southeast Mississippi, including Escambia
  Florida, Escambia Alabama, Baldwin, Mobile, George, and Stone
  counties. 

* WHEN...Until 9 PM CDT this evening.

* IMPACTS...Damaging winds will blow down trees and power lines.
  Power outages can be expected with the strongest winds. Travel 
  will be difficult, especially for high profile vehicles.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

People should avoid being outside in forested areas and around trees
and branches. If possible, remain in the lower levels of your home
during the windstorm, and avoid windows. Use caution if you must 
drive.

&&

$$
1 follow-up statement
604 
WWUS74 KMOB 140151
NPWMOB

URGENT - WEATHER MESSAGE
National Weather Service Mobile AL
851 PM CDT Tue Apr 13 2021

ALZ059-261>266-FLZ201-202-MSZ078-079-140300-
/O.CAN.KMOB.HW.W.0001.000000T0000Z-210414T0200Z/
Escambia-Mobile Inland-Baldwin Inland-Mobile Central-
Baldwin Central-Mobile Coastal-Baldwin Coastal-Escambia Inland-
Escambia Coastal-Stone-George-
Including the cities of 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, Wiggins, 
and Lucedale
851 PM CDT Tue Apr 13 2021

...HIGH WIND WARNING IS CANCELLED...

Area surface observations indicate that winds have diminished
across the warning area. A few brief gusts around 30 mph may
persist for another hour or so near the southwest Alabama and
western Florida panhandle coast, but the threat of higher and more
significant gusts has ended. 

$$

The office that day

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

IssuedProductOfficeCountiesLasted
Apr 13, 2:43 AM CDTFlash Flood WatchMOBBaldwin, Mobile55 hr
Apr 13, 4:37 PM CDTSpecial Weather StatementMOBMobile, Washington38 min
Apr 13, 4:57 PM CDTSevere Thunderstorm WarningMOBBaldwin, Clarke, Mobile, Washington63 min
Apr 13, 5:18 PM CDTSevere Thunderstorm WarningMOBMobile57 min
Apr 13, 5:39 PM CDTSpecial Marine WarningMOB81 min
Apr 13, 6:50 PM CDTGale WarningMOB3 hr

Nearby

High Wind Warnings in Alabama, 2021High Wind Warnings in Mississippi, 2021High Wind Warnings in Florida, 2021Every high wind warning in 2021

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.