Alert archive / Alabama / Severe Thunderstorm Warnings in 2021

Severe Thunderstorm Warning 61, NWS Mobile, AL

April 10, 2021Baldwin County, Covington County, Escambia County, Alabama; Escambia County, Okaloosa County, Santa Rosa County, Florida

NWS Mobile, AL issued this severe thunderstorm warning at Apr 10, 2021, 5:44 AM CDT for Baldwin County, Covington County, Escambia County, Alabama; Escambia County, Okaloosa County, Santa Rosa County, Florida. It was in force for 61 min. 4 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 10, 2021, 5:44 AM CDT (10:44 UTC)
Expired: Apr 10, 2021, 6:45 AM CDT
In force: 61 min
Issued by: NWS Mobile, AL
Area: Storm-based polygon
Tornado: Possible
Hail: 0.75 in
Wind: 60.0 mph

Counties Baldwin County, AL, Covington County, AL, Escambia County, AL, Escambia County, FL, Okaloosa County, FL, Santa Rosa County, FL

The radar

The Eglin Afb radar (KEVX), 73 km from the middle of the area, began a volume at 10:45 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

Time	Report	Where	Remark
Apr 10, 6:13 AM CDT	TSTM WND DMG	1 Wnw Deerland, FL	PUBLIC REPORT OF MULTIPLE TREES DOWN ON MOUNT OLIVE ROAD. TIME ESTIMATED FROM RADAR.
Apr 10, 6:19 AM CDT	MARINE TSTM WIND 56	2 Ene Eglin Afb, FL	MARINE THUNDERSTORM WIND GUST OF 56 MPH AT KVPS ON EGLIN AFB.
Apr 10, 6:32 AM CDT	TSTM WND GST 57	1 Sse Niceville, FL	CW7473 REPORTED A 57 MPH THUNDERSTORM WIND GUST.
Apr 10, 6:54 AM CDT	TSTM WND GST 58	1 Sw Gulf Shores, AL	PRIVATE WEATHER STATION KALGULFS41 RECORDED A 58 MPH THUNDERSTORM WIND GUST.

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

The watch it was issued in

The SPC watch in force over the same counties when this warning went out.

Issued	Product	Office	Lasted
Apr 10, 2:30 AM CDT	Tornado Watch	SPC	8 hr

The nearest sounding before it

Tallahassee Rgnl, FL (KTLH), launched 00:00Z, 10.7 hours before the alert went out and 229 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-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

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: 160 J/kg
Mixed-layer CIN: -101 J/kg
Mixed-layer LCL: 849 m above ground
0-6 km bulk shear: 26 kt
0-1 km storm-relative helicity: 82 m²/s²
0-3 km storm-relative helicity: 2 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.7

Open this sounding in Storm Lab

The text

As transmitted.

434 
WUUS54 KMOB 101044
SVRMOB
ALC003-039-053-FLC033-091-113-101145-
/O.NEW.KMOB.SV.W.0061.210410T1044Z-210410T1145Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Mobile AL
544 AM CDT Sat Apr 10 2021

The National Weather Service in Mobile has issued a

* Severe Thunderstorm Warning for...
  Southeastern Baldwin County in southwestern Alabama...
  Southeastern Escambia County in south central Alabama...
  Southern Covington County in south central Alabama...
  Okaloosa County in northwestern Florida...
  Eastern Santa Rosa County in northwestern Florida...
  Southeastern Escambia County in northwestern Florida...

* Until 645 AM CDT.

* At 543 AM CDT, severe thunderstorms were located along a line
  extending from 8 miles northwest of Laurel Hill to 8 miles north of
  Navarre to 7 miles south of Gulf Shores, moving east at 45 mph.

  HAZARD...60 mph wind gusts and penny size hail.

  SOURCE...Radar indicated.

  IMPACT...Expect damage to roofs, siding, and trees.

* Locations impacted include...
  Pensacola, Ferry Pass, Brent, West Pensacola, Wright, Fort Walton
  Beach, Warrington, Crestview, Niceville, Destin, Gulf Shores, Eglin
  AFB, Milton, Valparaiso, Gulf Breeze, Orange Beach, Goulding, Mary
  Esther, Florala and Bagdad.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Tornado Watch remains in effect until 800 AM CDT for south central
and southwestern Alabama...and northwestern Florida.

For your protection move to an interior room on the lowest floor of a
building.

&&

LAT...LON 3022 8795 3059 8708 3117 8676 3116 8619
      3100 8619 3099 8639 3046 8639 3048 8628
      3039 8629 3042 8631 3038 8633 3040 8639
      3030 8640 3029 8680 3022 8721
TIME...MOT...LOC 1043Z 274DEG 40KT 3103 8659 3053 8688 3013 8771 

TORNADO...POSSIBLE
HAIL...0.75IN
WIND...60MPH
 
$$

Black

The office that day

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

Issued	Product	Office	Counties	Lasted
Apr 9, 9:31 PM CDT	River Flood Warning	MOB	Mobile	63 hr
Apr 10, 1:06 AM CDT	Severe Thunderstorm Warning	MOB	Choctaw	54 min
Apr 10, 1:15 AM CDT	Severe Thunderstorm Warning	MOB	Choctaw, Washington	45 min
Apr 10, 1:33 AM CDT	Special Marine Warning	MOB		87 min
Apr 10, 1:58 AM CDT	Severe Thunderstorm Warning	MOB	Choctaw, Clarke, Washington, Wilcox	62 min
Apr 10, 2:22 AM CDT	Special Weather Statement	MOB	Mobile	68 min
Apr 10, 2:35 AM CDT	Severe Thunderstorm Warning	MOB	Mobile	25 min
Apr 10, 2:43 AM CDT	Severe Thunderstorm Warning	MOB	Mobile	17 min
Apr 10, 2:50 AM CDT	Severe Thunderstorm Warning	MOB	Baldwin	55 min
Apr 10, 2:59 AM CDT	Severe Thunderstorm Warning	MOB	Baldwin, Butler, Clarke, Conecuh, Escambia, Mobile and 3 more	61 min
Apr 10, 3:36 AM CDT	Special Marine Warning	MOB		114 min
Apr 10, 3:53 AM CDT	Severe Thunderstorm Warning	MOB	Baldwin, Butler, Conecuh, Covington, Escambia, Mobile and 2 more	67 min
Apr 10, 4:07 AM CDT	Areal Flood Advisory	MOB	Baldwin, Escambia, Mobile	3 hr
Apr 10, 4:33 AM CDT	Severe Thunderstorm Warning	MOB	Butler, Conecuh, Covington, Crenshaw, Escambia	57 min
Apr 10, 4:53 AM CDT	Severe Thunderstorm Warning	MOB	Baldwin, Covington, Escambia	52 min
Apr 10, 5:10 AM CDT	Areal Flood Advisory	MOB	Baldwin	3 hr
Apr 10, 5:28 AM CDT	Special Marine Warning	MOB		2 hr
Apr 10, 5:40 AM CDT	Flash Flood Warning	MOB	Baldwin	6 hr
Apr 10, 5:53 AM CDT	Flash Flood Warning	MOB	Mobile	6 hr
Apr 10, 6:04 AM CDT	Special Marine Warning	MOB		86 min
Apr 10, 6:20 AM CDT	Severe Thunderstorm Warning	MOB	Baldwin, Mobile	40 min
Apr 10, 6:48 AM CDT	Special Marine Warning	MOB		87 min
Apr 10, 6:52 AM CDT	Severe Thunderstorm Warning	MOB	Baldwin	53 min
Apr 10, 7:12 AM CDT	Special Marine Warning	MOB		63 min
Apr 10, 7:30 AM CDT	Special Marine Warning	MOB		90 min
Apr 10, 9:28 AM CDT	River Flood Warning	MOB	Baldwin	11 hr
Apr 10, 9:33 AM CDT	River Flood Warning	MOB	Baldwin	5 hr
Apr 10, 3:46 AM CDT	Special Weather Statement	MOB	Escambia, Santa Rosa	44 min
Apr 10, 4:30 AM CDT	Special Weather Statement	MOB	Okaloosa	45 min
Apr 10, 5:57 AM CDT	Tornado Warning	MOB	Okaloosa	33 min
Apr 10, 6:18 AM CDT	Tornado Warning	MOB	Okaloosa	12 min
Apr 10, 7:35 AM CDT	Severe Thunderstorm Warning	MOB	Okaloosa, Santa Rosa	41 min
Apr 10, 7:39 AM CDT	Flash Flood Warning	MOB	Okaloosa	5 hr
Apr 10, 9:38 AM CDT	River Flood Warning	MOB	Okaloosa	11 hr

Nearby

Severe Thunderstorm Warnings in Alabama, 2021 Severe Thunderstorm Warnings in Florida, 2021 Every severe thunderstorm 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.