Alert archive / Alabama / Severe Thunderstorm Warnings in 2017

Severe Thunderstorm Warning 113, NWS Mobile, AL

April 3, 20176 counties in Alabama; George County, Greene County, Stone County, Mississippi

NWS Mobile, AL issued this severe thunderstorm warning at Apr 3, 2017, 6:43 AM CDT for 6 counties in Alabama; George County, Greene County, Stone County, Mississippi. It was in force for 47 min. 3 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 3, 2017, 6:43 AM CDT (11:43 UTC)
Expired
Apr 3, 2017, 7:30 AM CDT
In force
47 min
Issued by
NWS Mobile, AL
Area
Storm-based polygon
Hail
0.75 in
Wind
60.0 mph

Counties Baldwin County, AL, Clarke County, AL, Escambia County, AL, Mobile County, AL, Monroe County, AL, Washington County, AL, George County, MS, Greene County, MS, Stone County, MS

The radar

The Mobile radar (KMOB), 27 km from the middle of the area, began a volume at 11:44 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 3, 7:10 AM CDTHAIL 1Agricola, MSQUARTER SIZE HAIL REPORTED
Apr 3, 7:15 AM CDTTSTM WND DMG2 Nw Gainestown, ALPORCH BLOWN OFF A HOUSE ON WALKER SPRINGS ROAD
Apr 3, 7:26 AM CDTHAIL 1Wilmer, ALQUARTER SIZE HAIL REPORTED VIA SOCIAL MEDIA.

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.

IssuedProductOfficeLasted
Apr 3, 1:48 AM CDTTornado WatchSPC10 hr

The nearest sounding before it

Slidell Radar S, LA (KSIL), launched 00:00Z, 11.7 hours before the alert went out and 144 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 00:00Z on 2017-04-03Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 2436 joules per kilogram.LCLEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Slidell Radar S, LA at 00:00Z on 2017-04-03The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 298 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
2436 J/kg
Mixed-layer CIN
0 J/kg
Mixed-layer LCL
480 m above ground
0-6 km bulk shear
57 kt
0-1 km storm-relative helicity
298 m²/s²
0-3 km storm-relative helicity
333 m²/s²
Significant tornado parameter
4.6
Supercell composite
19.5

Open this sounding in Storm Lab

The text

As transmitted.

398 
WUUS54 KMOB 031143
SVRMOB
ALC003-025-053-097-099-129-MSC039-041-131-031230-
/O.NEW.KMOB.SV.W.0113.170403T1143Z-170403T1230Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Mobile AL
643 AM CDT MON APR 3 2017

The National Weather Service in Mobile has issued a

* Severe Thunderstorm Warning for...
  Southwestern Monroe County in south central Alabama...
  Mobile County in southwestern Alabama...
  Northwestern Baldwin County in southwestern Alabama...
  Southern Washington County in southwestern Alabama...
  Southeastern Clarke County in southwestern Alabama...
  Western Escambia County in south central Alabama...
  George County in southeastern Mississippi...
  Southeastern Greene County in southeastern Mississippi...
  Southeastern Stone County in southeastern Mississippi...

* Until 730 AM CDT

* At 642 AM CDT, severe thunderstorms were located along a line
  extending from near Jackson to near Mount Vernon to near Latimer,
  moving east at 25 mph.

  HAZARD...60 mph wind gusts. 

  SOURCE...Radar indicated. 

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

* Locations impacted include...
  Midtown Mobile, Downtown Mobile, Prichard, Tillmans Corner,
  Saraland, Bay Minette, Theodore, Chickasaw, Satsuma, Jackson,
  Citronelle, Lucedale, Creola, Frisco City, Chunchula, Stockton,
  McCullough, Wagarville, Leroy and McHenry.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

A tornado watch remains in effect until 900 AM CDT for southwestern
Alabama...and southeastern Mississippi.

LAT...LON 3108 8856 3151 8821 3150 8733 3100 8753
      3100 8760 3094 8760 3054 8817 3054 8840
      3074 8841 3073 8888 3068 8889 3068 8923
      3065 8924 3065 8929
TIME...MOT...LOC 1142Z 282DEG 20KT 3145 8784 3107 8799 3057 8887 

HAIL...<.75IN
WIND...60MPH
 
$$
2 follow-up statements
244 
WWUS54 KMOB 031212
SVSMOB

Severe Weather Statement
National Weather Service Mobile AL
712 AM CDT MON APR 3 2017

ALC003-025-053-097-099-129-MSC039-041-131-031230-
/O.CON.KMOB.SV.W.0113.000000T0000Z-170403T1230Z/
Monroe AL-Mobile AL-Baldwin AL-Washington AL-Clarke AL-Escambia AL-
George MS-Greene MS-Stone MS-
712 AM CDT MON APR 3 2017

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 730 AM CDT
FOR SOUTHWESTERN MONROE...MOBILE...NORTHWESTERN BALDWIN...SOUTHERN
WASHINGTON...SOUTHEASTERN CLARKE...WESTERN ESCAMBIA...GEORGE...
SOUTHEASTERN GREENE AND SOUTHEASTERN STONE COUNTIES...

At 712 AM CDT, a severe thunderstorm was located 8 miles west of
Wilmer, or 8 miles southeast of Lucedale, moving northeast at 35 mph.

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

SOURCE...Radar indicated. 

IMPACT...Hail damage to vehicles is expected. Expect wind damage to 
         roofs, siding, and trees. 

Locations impacted include...
Midtown Mobile, Downtown Mobile, Prichard, Tillmans Corner, Saraland,
Bay Minette, Theodore, Chickasaw, Satsuma, Jackson, Citronelle,
Lucedale, Creola, Frisco City, Chunchula, Stockton, McCullough,
Wagarville, Leroy and McHenry.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

A tornado watch remains in effect until 900 AM CDT for southwestern
Alabama...and southeastern Mississippi. A tornado watch also remains
in effect until 100 PM CDT for south central Alabama.

LAT...LON 3108 8856 3151 8821 3150 8733 3100 8753
      3100 8760 3094 8760 3054 8817 3054 8840
      3074 8841 3073 8888 3068 8889 3068 8923
      3065 8924 3065 8929
TIME...MOT...LOC 1212Z 235DEG 32KT 3083 8850 

HAIL...1.00IN
WIND...60MPH
 
$$
807 
WWUS54 KMOB 031220
SVSMOB

Severe Weather Statement
National Weather Service Mobile AL
720 AM CDT MON APR 3 2017

MSC131-031229-
/O.CAN.KMOB.SV.W.0113.000000T0000Z-170403T1230Z/
Stone MS-
720 AM CDT MON APR 3 2017

...THE SEVERE THUNDERSTORM WARNING FOR SOUTHEASTERN STONE COUNTY IS
CANCELLED...
    
The severe thunderstorm which prompted the warning has moved out of 
the warned area.  Therefore, the warning has been cancelled.

A tornado watch remains in effect until 900 AM CDT for southwestern
Alabama...and southeastern Mississippi. A tornado watch also remains
in effect until 100 PM CDT for south central Alabama.

LAT...LON 3054 8840 3074 8841 3074 8889 3085 8886
      3151 8797 3150 8733 3100 8753 3100 8760
      3094 8760 3054 8817
TIME...MOT...LOC 1219Z 241DEG 46KT 3088 8842 

$$

ALC003-025-053-097-099-129-MSC039-041-031230-
/O.CON.KMOB.SV.W.0113.000000T0000Z-170403T1230Z/
Monroe AL-Mobile AL-Baldwin AL-Washington AL-Clarke AL-Escambia AL-
George MS-Greene MS-
720 AM CDT MON APR 3 2017

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 730 AM CDT
FOR SOUTHWESTERN MONROE...MOBILE...NORTHWESTERN BALDWIN...SOUTHERN
WASHINGTON...SOUTHEASTERN CLARKE...WESTERN ESCAMBIA...GEORGE AND
SOUTHEASTERN GREENE COUNTIES...

At 719 AM CDT, a severe thunderstorm was located near Wilmer, or 10
miles east of Lucedale, moving northeast at 50 mph.

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

SOURCE...Radar indicated. 

IMPACT...Hail damage to vehicles is expected. Expect wind damage to 
         roofs, siding, and trees. 

Locations impacted include...
Midtown Mobile, Downtown Mobile, Prichard, Tillmans Corner, Saraland,
Bay Minette, Theodore, Chickasaw, Satsuma, Jackson, Citronelle,
Lucedale, Creola, Frisco City, Chunchula, Stockton, McCullough,
Wagarville, Leroy and Gulfcrest.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

A tornado watch remains in effect until 900 AM CDT for southwestern
Alabama...and southeastern Mississippi. A tornado watch also remains
in effect until 100 PM CDT for south central Alabama.

LAT...LON 3054 8840 3074 8841 3074 8889 3085 8886
      3151 8797 3150 8733 3100 8753 3100 8760
      3094 8760 3054 8817
TIME...MOT...LOC 1219Z 241DEG 46KT 3088 8842 

HAIL...1.00IN
WIND...60MPH
 
$$

The office that day

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

IssuedProductOfficeCountiesLasted
Apr 3, 3:29 AM CDTSpecial Weather StatementMOBChoctaw46 min
Apr 3, 3:41 AM CDTSevere Thunderstorm WarningMOBChoctaw49 min
Apr 3, 5:10 AM CDTSevere Thunderstorm WarningMOBWashington50 min
Apr 3, 5:45 AM CDTSevere Thunderstorm WarningMOBChoctaw, Clarke, Washington45 min
Apr 3, 5:57 AM CDTSevere Thunderstorm WarningMOBClarke, Mobile, Washington48 min
Apr 3, 6:28 AM CDTSevere Thunderstorm WarningMOBClarke, Washington47 min
Apr 3, 6:53 AM CDTSpecial Marine WarningMOB97 min
Apr 3, 7:26 AM CDTSevere Thunderstorm WarningMOBBaldwin, Butler, Clarke, Conecuh, Escambia, Mobile and 2 more49 min
Apr 3, 7:27 AM CDTAreal Flood AdvisoryMOBBaldwin, Mobile3 hr
Apr 3, 7:45 AM CDTSpecial Weather StatementMOBBaldwin, Covington, Escambia45 min
Apr 3, 7:53 AM CDTFlash Flood WatchMOBBaldwin, Conecuh, Covington, Escambia, Mobile4 hr
Apr 3, 7:55 AM CDTFlash Flood WarningMOBMobile4 hr
Apr 3, 8:09 AM CDTSevere Thunderstorm WarningMOBBaldwin, Conecuh, Covington, Escambia, Mobile51 min
Apr 3, 8:26 AM CDTSpecial Marine WarningMOB94 min
Apr 3, 8:26 AM CDTSevere Thunderstorm WarningMOBButler, Conecuh, Covington, Crenshaw, Escambia64 min
Apr 3, 8:49 AM CDTSpecial Marine WarningMOB56 min
Apr 3, 8:54 AM CDTFlash Flood WarningMOBBaldwin4 hr
Apr 3, 8:54 AM CDTTornado WarningMOBCrenshaw13 min
Apr 3, 8:59 AM CDTSpecial Marine WarningMOB61 min
Apr 3, 9:00 AM CDTSevere Thunderstorm WarningMOBBaldwin, Escambia, Mobile60 min
Apr 3, 9:33 AM CDTAreal Flood AdvisoryMOBBaldwin3 hr
Apr 3, 9:33 AM CDTSpecial Marine WarningMOB87 min
Apr 3, 9:36 AM CDTSevere Thunderstorm WarningMOBConecuh, Covington39 min
Apr 3, 9:43 AM CDTRiver Flood WarningMOBChoctaw, Clarke, Washington8 days
Apr 3, 9:43 AM CDTRiver Flood WarningMOBChoctaw, Clarke, Washington9 days
Apr 3, 9:43 AM CDTSevere Thunderstorm WarningMOBBaldwin62 min
Apr 3, 10:02 AM CDTSpecial Marine WarningMOB58 min
Apr 3, 10:46 AM CDTSevere Thunderstorm WarningMOBBaldwin45 min
Apr 3, 10:55 AM CDTSpecial Marine WarningMOB2 hr
Apr 3, 12:54 PM CDTSpecial Marine WarningMOB66 min
Apr 3, 1:55 PM CDTSpecial Marine WarningMOB2 hr
Apr 3, 3:51 PM CDTSpecial Marine WarningMOB114 min
Apr 3, 5:38 PM CDTSpecial Marine WarningMOB67 min
Apr 3, 4:53 AM CDTSpecial Weather StatementMOBGreene, Perry52 min
Apr 3, 5:20 AM CDTSevere Thunderstorm WarningMOBPerry, Stone40 min
Apr 3, 5:22 AM CDTAreal Flood AdvisoryMOBWayne3 hr
Apr 3, 6:03 AM CDTAreal Flood AdvisoryMOBGeorge, Greene, Perry, Stone3 hr
Apr 3, 7:04 AM CDTFlash Flood WarningMOBGeorge, Greene, Stone3 hr
Apr 3, 10:59 AM CDTRiver Flood WarningMOBGeorge, Greene, Wayne9 days

Nearby

Severe Thunderstorm Warnings in Alabama, 2017Severe Thunderstorm Warnings in Mississippi, 2017Every 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.