Alert archive / Florida / Severe Thunderstorm Warnings in 2021

Severe Thunderstorm Warning 147, NWS Mobile, AL

June 19, 2021Santa Rosa County, Florida

NWS Mobile, AL issued this severe thunderstorm warning at Jun 19, 2021, 10:32 AM CDT for Santa Rosa County, Florida. It was in force for 43 min. 2 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: Jun 19, 2021, 10:32 AM CDT (15:32 UTC)
Expired: Jun 19, 2021, 11:15 AM CDT
In force: 43 min
Issued by: NWS Mobile, AL
Area: Storm-based polygon
Tornado: Possible
Hail: 0.75 in
Wind: 60.0 mph

County Santa Rosa County, FL

The radar

The Mobile radar (KMOB), 109 km from the middle of the area, began a volume at 15:33 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
Jun 19, 10:35 AM CDT	TSTM WND DMG	3 Nnw Milton, FL	MULTIPLE POWER LINES DOWN ON ABC PARK CT REPORTED BY EMA. TIME ESTIMATED BASED ON RADAR.
Jun 19, 10:47 AM CDT	TSTM WND DMG	4 Nnw Milton, FL	EMA REPORTS LARGE TREE DOWN BLOCKING THE ROAD ON TWLIGHT DR. TIME ESTIMATED USING RADAR.

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
Jun 19, 1:40 AM CDT	Tornado Watch	SPC	9 hr

The nearest sounding before it

Slidell Radar S, LA (KSIL), launched 12:00Z, 3.5 hours before the alert went out and 250 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: 925 J/kg
Mixed-layer CIN: 0 J/kg
Mixed-layer LCL: 506 m above ground
0-6 km bulk shear: 31 kt
0-1 km storm-relative helicity: 143 m²/s²
0-3 km storm-relative helicity: 147 m²/s²
Significant tornado parameter: 0.4
Supercell composite: 3.4

Open this sounding in Storm Lab

The text

As transmitted.

434 
WUUS54 KMOB 191532
SVRMOB
FLC113-191615-
/O.NEW.KMOB.SV.W.0147.210619T1532Z-210619T1615Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Mobile AL
1032 AM CDT Sat Jun 19 2021

The National Weather Service in Mobile has issued a

* Severe Thunderstorm Warning for...
  Southeastern Santa Rosa County in northwestern Florida...

* Until 1115 AM CDT.

* At 1031 AM CDT, severe thunderstorms were located along a line
  extending from 3 miles west of Point Baker to 3 miles south of Pea
  Ridge to 3 miles east of Pensacola, moving northeast at 25 mph.

  HAZARD...60 mph wind gusts.

  SOURCE...Radar indicated.

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

* Locations impacted include...
  Pace, Milton, Bagdad, Pea Ridge, Roeville, Floridatown and Point
  Baker.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Tornado Watch remains in effect until 1100 AM CDT for northwestern
Florida. A Tornado Watch also remains in effect until 700 PM CDT for
northwestern Florida.

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

&&

LAT...LON 3045 8719 3045 8718 3046 8717 3049 8715
      3051 8716 3053 8719 3055 8719 3055 8721
      3057 8721 3071 8717 3091 8686 3076 8679
      3057 8680 3045 8717 3044 8719
TIME...MOT...LOC 1531Z 231DEG 21KT 3069 8711 3055 8711 3043 8716 

TORNADO...POSSIBLE
HAIL...<.75IN
WIND...60MPH
 
$$

Black

1 follow-up statement

470 
WWUS54 KMOB 191602
SVSMOB

Severe Weather Statement
National Weather Service Mobile AL
1102 AM CDT Sat Jun 19 2021

FLC113-191615-
/O.CON.KMOB.SV.W.0147.000000T0000Z-210619T1615Z/
Santa Rosa FL-
1102 AM CDT Sat Jun 19 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 1115 AM CDT
FOR EASTERN SANTA ROSA COUNTY...

At 1101 AM CDT, severe thunderstorms were located along a line
extending from 9 miles northeast of Point Baker to near Roeville to 4
miles south of Bagdad, moving northeast at 25 mph.

HAZARD...60 mph wind gusts.

SOURCE...Radar indicated.

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

Locations impacted include...
Pace, Milton, Bagdad, Pea Ridge, Roeville, Floridatown and Point
Baker.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Tornado Watch remains in effect until 700 PM CDT for northwestern
Florida.

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

&&

LAT...LON 3044 8719 3045 8719 3046 8716 3049 8715
      3051 8716 3053 8719 3055 8719 3073 8708
      3091 8686 3076 8679 3057 8680 3046 8715
TIME...MOT...LOC 1601Z 231DEG 21KT 3080 8696 3066 8696 3054 8701 

TORNADO...POSSIBLE
HAIL...<.75IN
WIND...60MPH
 
$$

Black

The office that day

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

Issued	Product	Office	Counties	Lasted
Jun 19, 12:05 AM CDT	Special Weather Statement	MOB	Santa Rosa	40 min
Jun 19, 6:24 AM CDT	Tornado Warning	MOB	Escambia	22 min
Jun 19, 6:33 AM CDT	Flash Flood Warning	MOB	Escambia, Santa Rosa	6 hr
Jun 19, 7:32 AM CDT	Areal Flood Advisory	MOB	Escambia, Okaloosa, Santa Rosa	4 hr
Jun 19, 7:33 AM CDT	Severe Thunderstorm Warning	MOB	Escambia, Santa Rosa	28 min
Jun 19, 8:15 AM CDT	Tornado Warning	MOB	Okaloosa	30 min
Jun 19, 8:18 AM CDT	Tornado Warning	MOB	Escambia, Santa Rosa	31 min
Jun 19, 10:30 AM CDT	Flash Flood Warning	MOB	Escambia, Okaloosa, Santa Rosa	5 hr
Jun 19, 11:15 AM CDT	Severe Thunderstorm Warning	MOB	Okaloosa, Santa Rosa	45 min
Jun 19, 12:37 PM CDT	Areal Flood Advisory	MOB	Okaloosa, Santa Rosa	3 hr
Jun 19, 12:54 PM CDT	Severe Thunderstorm Warning	MOB	Okaloosa	36 min
Jun 19, 1:50 PM CDT	Flash Flood Warning	MOB	Okaloosa	2 hr
Jun 19, 3:54 PM CDT	Wind Advisory	MOB	Escambia, Okaloosa, Santa Rosa	9 hr

Nearby

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.