Alert archive / Alabama / Severe Thunderstorm Warnings in 2017

Severe Thunderstorm Warning 19, NWS Mobile, AL

January 2, 2017Escambia County, Okaloosa County, Santa Rosa County, Florida; 5 counties in Alabama

NWS Mobile, AL issued this severe thunderstorm warning at Jan 2, 2017, 5:42 PM CST for Escambia County, Okaloosa County, Santa Rosa County, Florida; 5 counties in Alabama. It was in force for 63 min. 1 report 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: Jan 2, 2017, 5:42 PM CST (23:42 UTC)
Expired: Jan 2, 2017, 6:45 PM CST
In force: 63 min
Issued by: NWS Mobile, AL
Area: Storm-based polygon
Hail: 0.88 in
Wind: 60.0 mph

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

The radar

The Eglin Afb radar (KEVX), 84 km from the middle of the area, began a volume at 23:46 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
Jan 2, 5:56 PM CST	TSTM WND DMG	Pensacola, FL	AWNING BLOWN OFF OF AREA RESTAURANT. TIME ESTIMATED FROM 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
Jan 2, 11:22 AM CST	Tornado Watch	SPC	9 hr

The nearest sounding before it

Tallahassee Rgnl, FL (KTLH), launched 12:00Z, 11.7 hours before the alert went out and 239 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: 235 J/kg
Mixed-layer CIN: -25 J/kg
Mixed-layer LCL: 683 m above ground
0-6 km bulk shear: 48 kt
0-1 km storm-relative helicity: 143 m²/s²
0-3 km storm-relative helicity: 192 m²/s²
Significant tornado parameter: 0.2
Supercell composite: 1.9

Open this sounding in Storm Lab

The text

As transmitted.

172 
WUUS54 KMOB 022342
SVRMOB
ALC003-035-039-053-099-FLC033-091-113-030045-
/O.NEW.KMOB.SV.W.0019.170102T2342Z-170103T0045Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Mobile AL
542 PM CST MON JAN 2 2017

The National Weather Service in Mobile has issued a

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

* Until 645 PM CST

* At 541 PM CST, severe thunderstorms were located along a line
  extending from near Repton to near Brewton to 8 miles east of Jay
  to Gulf Shores, moving east at 45 mph.

  HAZARD...60 mph wind gusts and up to quarter 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, Ensley, Warrington, Crestview, Niceville, Gonzalez, Destin,
  Gulf Shores, Andalusia, Eglin AFB, Foley, Pace, Milton, Opp and
  Valparaiso.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A tornado watch remains in effect for the warned area. Tornadoes can
develop quickly from severe thunderstorms. Although a tornado is not
immediately likely, if one is spotted, act quickly and move to a
place of safety inside a sturdy structure such as a basement or small
interior room.

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

&&

A tornado watch remains in effect until 800 PM CST for south central
and southwestern Alabama...and northwestern Florida.

LAT...LON 3022 8785 3090 8731 3118 8714 3145 8731
      3153 8641 3145 8640 3153 8628 3146 8628
      3144 8619 3100 8619 3099 8639 3046 8639
      3047 8634 3039 8638 3038 8650 3032 8650
      3034 8683 3022 8757
TIME...MOT...LOC 2341Z 268DEG 39KT 3139 8720 3119 8707 3091 8702 3024
8768

HAIL...0.88IN
WIND...60MPH
 
$$

Butts

2 follow-up statements

938 
WWUS54 KMOB 030013
SVSMOB

Severe Weather Statement
National Weather Service Mobile AL
613 PM CST MON JAN 2 2017

ALC099-030022-
/O.CAN.KMOB.SV.W.0019.000000T0000Z-170103T0045Z/
Monroe AL-
613 PM CST MON JAN 2 2017

...THE SEVERE THUNDERSTORM WARNING FOR CENTRAL MONROE COUNTY IS
CANCELLED...

The storms which prompted the warning have moved out of the warned
area. Therefore, the warning has been cancelled.

A tornado watch remains in effect until 800 PM CST for south central
and southwestern Alabama...and northwestern Florida.

Additional statements will be issued as conditions warrant.

LAT...LON 3022 8785 3058 8756 3078 8718 3115 8693
      3148 8697 3153 8641 3145 8640 3153 8628
      3146 8628 3144 8619 3100 8619 3099 8639
      3046 8639 3047 8634 3039 8638 3038 8650
      3032 8650 3034 8683 3022 8757
TIME...MOT...LOC 0012Z 265DEG 38KT 3140 8682 3120 8669 3094 8671 3072
8683 3025 8730

$$

ALC003-035-039-053-FLC033-091-113-030045-
/O.CON.KMOB.SV.W.0019.000000T0000Z-170103T0045Z/
Conecuh AL-Baldwin AL-Covington AL-Escambia AL-Escambia FL-
Santa Rosa FL-Okaloosa FL-
613 PM CST MON JAN 2 2017

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 645 PM CST
FOR SOUTHEASTERN CONECUH...SOUTHEASTERN BALDWIN...COVINGTON...EASTERN
ESCAMBIA...SOUTHEASTERN ESCAMBIA...SANTA ROSA AND OKALOOSA
COUNTIES...

At 612 PM CST, severe thunderstorms were located along a line
extending from 8 miles east of Evergreen, to 13 miles southwest of
River Falls, to 10 miles north of Baker, to 9 miles east of
Roeville, to 9 miles south of Warrington, moving east at 45 mph.

HAZARD...60 mph wind gusts and nickel 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, Ensley, Warrington, Crestview, Niceville, Gonzalez, Destin,
Gulf Shores, Andalusia, Eglin AFB, Foley, Pace, Milton, Opp and
Valparaiso.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A tornado watch remains in effect for the warned area. Tornadoes can
develop quickly from severe thunderstorms. Although a tornado is not
immediately likely, if one is spotted act quickly and move to a place
of safety inside a sturdy structure, such as a basement or small
interior room.

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

Additional statements will be issued as conditions warrant.

&&

A tornado watch remains in effect until 800 PM CST for south central
and southwestern Alabama...and northwestern Florida.

LAT...LON 3022 8785 3058 8756 3078 8718 3115 8693
      3148 8697 3153 8641 3145 8640 3153 8628
      3146 8628 3144 8619 3100 8619 3099 8639
      3046 8639 3047 8634 3039 8638 3038 8650
      3032 8650 3034 8683 3022 8757
TIME...MOT...LOC 0012Z 265DEG 38KT 3140 8682 3120 8669 3094 8671 3072
8683 3025 8730

HAIL...0.88IN
WIND...60MPH
 
$$

Butts

845 
WWUS54 KMOB 030029
SVSMOB

Severe Weather Statement
National Weather Service Mobile AL
629 PM CST MON JAN 2 2017

ALC035-053-030038-
/O.CAN.KMOB.SV.W.0019.000000T0000Z-170103T0045Z/
Conecuh AL-Escambia AL-
629 PM CST MON JAN 2 2017

...THE SEVERE THUNDERSTORM WARNING FOR SOUTHEASTERN CONECUH AND
EASTERN ESCAMBIA COUNTIES IS CANCELLED...

The storms which prompted the warning have moved out of the warned
area. Therefore, the warning has been cancelled.

A tornado watch remains in effect until 800 PM CST for south central
and southwestern Alabama...and northwestern Florida.

Additional statements will be issued as conditions warrant.

LAT...LON 3022 8785 3058 8756 3070 8706 3084 8680
      3100 8673 3100 8669 3150 8670 3153 8641
      3145 8640 3153 8628 3146 8628 3144 8619
      3100 8619 3099 8639 3046 8639 3047 8634
      3039 8638 3038 8650 3032 8650 3034 8683
TIME...MOT...LOC 0028Z 268DEG 39KT 3141 8663 3121 8650 3095 8653 3073
8665 3026 8712

$$

ALC003-039-FLC033-091-113-030045-
/O.CON.KMOB.SV.W.0019.000000T0000Z-170103T0045Z/
Baldwin AL-Covington AL-Escambia FL-Santa Rosa FL-Okaloosa FL-
629 PM CST MON JAN 2 2017

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 645 PM CST
FOR SOUTHEASTERN BALDWIN...COVINGTON...SOUTHEASTERN ESCAMBIA...
SOUTHERN SANTA ROSA AND OKALOOSA COUNTIES...

At 628 PM CST, severe thunderstorms were located along a line
extending from Red Level, to 7 miles south of Andalusia, to near
Laurel Hill, to near Crestview, to near Pensacola Beach, moving east
at 45 mph.

HAZARD...60 mph wind gusts and nickel 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, Ensley, Warrington, Crestview, Niceville, Gonzalez, Destin,
Gulf Shores, Andalusia, Eglin AFB, Foley, Pace, Milton, Opp and
Valparaiso.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A tornado watch remains in effect for the warned area. Tornadoes can
develop quickly from severe thunderstorms. Although a tornado is not
immediately likely, if one is spotted act quickly and move to a place
of safety inside a sturdy structure, such as a basement or small
interior room.

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

Additional statements will be issued as conditions warrant.

&&

A tornado watch remains in effect until 800 PM CST for south central
and southwestern Alabama...and northwestern Florida.

LAT...LON 3022 8785 3058 8756 3070 8706 3084 8680
      3100 8673 3100 8669 3150 8670 3153 8641
      3145 8640 3153 8628 3146 8628 3144 8619
      3100 8619 3099 8639 3046 8639 3047 8634
      3039 8638 3038 8650 3032 8650 3034 8683
TIME...MOT...LOC 0028Z 268DEG 39KT 3141 8663 3121 8650 3095 8653 3073
8665 3026 8712

HAIL...0.88IN
WIND...60MPH
 
$$

Butts

The office that day

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

Issued	Product	Office	Counties	Lasted
Jan 1, 7:46 PM CST	Areal Flood Advisory	MOB	Escambia	3 hr
Jan 1, 11:08 PM CST	Areal Flood Advisory	MOB	Escambia, Santa Rosa	3 hr
Jan 2, 6:05 AM CST	Rip Current Statement	MOB	Escambia, Okaloosa, Santa Rosa	24 hr
Jan 2, 1:54 PM CST	Special Weather Statement	MOB	Okaloosa	51 min
Jan 2, 2:33 PM CST	Tornado Warning	MOB	Escambia	48 min
Jan 2, 3:03 PM CST	Areal Flood Warning	MOB	Escambia, Okaloosa, Santa Rosa	24 hr
Jan 2, 3:17 PM CST	Severe Thunderstorm Warning	MOB	Escambia, Okaloosa, Santa Rosa	58 min
Jan 2, 4:15 PM CST	Severe Thunderstorm Warning	MOB	Escambia, Okaloosa, Santa Rosa	45 min
Jan 2, 4:48 PM CST	Flash Flood Warning	MOB	Escambia, Okaloosa, Santa Rosa	6 hr
Jan 2, 4:55 PM CST	Severe Thunderstorm Warning	MOB	Escambia, Santa Rosa	65 min
Jan 2, 5:37 PM CST	Special Weather Statement	MOB	Okaloosa	23 min
Jan 1, 7:06 PM CST	Areal Flood Advisory	MOB	Baldwin, Mobile	3 hr
Jan 1, 8:10 PM CST	Flash Flood Warning	MOB	Mobile	6 hr
Jan 2, 3:22 AM CST	Small Craft Advisory	MOB		27 hr
Jan 2, 10:51 AM CST	Severe Thunderstorm Warning	MOB	Washington	54 min
Jan 2, 11:16 AM CST	Tornado Warning	MOB	Washington	26 min
Jan 2, 11:56 AM CST	Severe Thunderstorm Warning	MOB	Clarke, Washington	49 min
Jan 2, 12:05 PM CST	Special Marine Warning	MOB		55 min
Jan 2, 12:10 PM CST	Flash Flood Warning Emergency	MOB	Clarke, Conecuh, Monroe, Washington	6 hr
Jan 2, 12:19 PM CST	Special Weather Statement	MOB	Wilcox	41 min
Jan 2, 12:27 PM CST	Severe Thunderstorm Warning	MOB	Clarke, Conecuh, Monroe	48 min
Jan 2, 12:51 PM CST	Tornado Warning	MOB	Washington	19 min
Jan 2, 12:57 PM CST	Special Marine Warning	MOB		63 min
Jan 2, 12:58 PM CST	Severe Thunderstorm Warning	MOB	Clarke, Conecuh, Monroe, Wilcox	47 min
Jan 2, 1:10 PM CST	Special Marine Warning	MOB		65 min
Jan 2, 1:27 PM CST	Special Marine Warning	MOB		48 min
Jan 2, 1:44 PM CST	Severe Thunderstorm Warning	MOB	Butler, Conecuh, Monroe, Wilcox	46 min
Jan 2, 1:52 PM CST	Special Marine Warning	MOB		38 min
Jan 2, 2:00 PM CST	Special Marine Warning	MOB		60 min
Jan 2, 2:02 PM CST	Flash Flood Warning	MOB	Washington	6 hr
Jan 2, 2:11 PM CST	Special Marine Warning	MOB		64 min
Jan 2, 2:20 PM CST	Severe Thunderstorm Warning	MOB	Baldwin, Butler, Clarke, Conecuh, Covington, Escambia and 1 more	40 min
Jan 2, 2:40 PM CST	Special Weather Statement	MOB	Crenshaw	50 min
Jan 2, 2:47 PM CST	Severe Thunderstorm Warning	MOB	Butler, Conecuh, Monroe	43 min
Jan 2, 2:50 PM CST	Tornado Warning	MOB	Crenshaw	40 min
Jan 2, 2:51 PM CST	Special Marine Warning	MOB		54 min
Jan 2, 2:55 PM CST	Flash Flood Warning	MOB	Butler, Conecuh, Covington, Crenshaw, Monroe, Wilcox	6 hr
Jan 2, 3:07 PM CST	Severe Thunderstorm Warning	MOB	Choctaw, Clarke, Washington	53 min
Jan 2, 3:11 PM CST	Special Marine Warning	MOB		49 min
Jan 2, 3:13 PM CST	Severe Thunderstorm Warning	MOB	Butler, Crenshaw	19 min
Jan 2, 3:30 PM CST	Special Marine Warning	MOB		60 min
Jan 2, 3:37 PM CST	Special Marine Warning	MOB		68 min
Jan 2, 3:44 PM CST	Severe Thunderstorm Warning	MOB	Mobile	46 min
Jan 2, 3:53 PM CST	Special Marine Warning	MOB		2 hr
Jan 2, 3:59 PM CST	Severe Thunderstorm Warning	MOB	Baldwin, Choctaw, Clarke, Mobile, Monroe, Washington and 1 more	61 min
Jan 2, 4:06 PM CST	Severe Thunderstorm Warning	MOB	Butler, Crenshaw	54 min
Jan 2, 4:18 PM CST	Special Marine Warning	MOB		42 min
Jan 2, 4:23 PM CST	Severe Thunderstorm Warning	MOB	Baldwin	52 min
Jan 2, 4:29 PM CST	Severe Thunderstorm Warning	MOB	Mobile	31 min
Jan 2, 4:59 PM CST	Special Marine Warning	MOB		61 min
Jan 2, 5:35 PM CST	Special Weather Statement	MOB	Butler	40 min
Jan 2, 5:56 PM CST	Areal Flood Warning	MOB	Baldwin, Butler, Clarke, Conecuh, Covington, Crenshaw and 5 more	24 hr
Jan 2, 5:59 PM CST	Special Marine Warning	MOB		91 min

Nearby

Severe Thunderstorm Warnings in Alabama, 2017 Severe Thunderstorm Warnings in Florida, 2017 Every severe thunderstorm warning 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.