Alert archive / Alabama / Tornado Warnings in 2014

Tornado Warning 33, NWS Mobile, AL

November 17, 2014Clarke County, Washington County, Alabama

NWS Mobile, AL issued this tornado warning at Nov 17, 2014, 1:41 AM CST for Clarke County, Washington County, Alabama. It was in force for 49 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
Nov 17, 2014, 1:41 AM CST (07:41 UTC)
Expired
Nov 17, 2014, 2:30 AM CST
In force
49 min
Issued by
NWS Mobile, AL
Area
Storm-based polygon

Counties Clarke County, AL, Washington County, AL

The radar

The Mobile radar (KMOB), 102 km from the middle of the area, began a volume at 07:41 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
Nov 17, 1:50 AM CSTTSTM WND DMGSaint Stephens, ALMULTIPLE REPORTS FROM ACROSS CLARKE COUNTY INCLUDING DAMAGED HOUSES, OVERTURNED CAMPERS, DOWNED TREES AND POWER LINES AND ROADS IN THE AREA ARE BLOCKED.
Nov 17, 1:50 AM CSTTSTM WND DMGSaint Stephens, ALMULTIPLE REPORTS FROM ACROSS WASHINGTON COUNTY INCLUDING DAMAGED HOUSES, OVERTURNED CAMPERS, DOWNED TREES AND POWER LINES AND ROADS IN THE AREA ARE BLOCKED. DAMAGE WAS FROM JUST EAST OF CHATOM TO NEAR SAINT STEPHENS.

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
Nov 16, 9:49 PM CSTTornado WatchSPC7 hr
Nov 17, 1:32 AM CSTTornado WatchSPC7 hr

The nearest sounding before it

Birmingham, AL (KBMX), launched 00:00Z, 7.7 hours before the alert went out and 212 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, Birmingham, AL at 00:00Z on 2014-11-17Temperature 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, Birmingham, AL at 00:00Z on 2014-11-17The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 342 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
452 m above ground
0-6 km bulk shear
56 kt
0-1 km storm-relative helicity
342 m²/s²
0-3 km storm-relative helicity
348 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

919 
WFUS54 KMOB 170741
TORMOB
ALC025-129-170830-
/O.NEW.KMOB.TO.W.0033.141117T0741Z-141117T0830Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE MOBILE AL
141 AM CST MON NOV 17 2014

THE NATIONAL WEATHER SERVICE IN MOBILE HAS ISSUED A

* TORNADO WARNING FOR...
  CENTRAL CLARKE COUNTY IN SOUTHWEST ALABAMA...
  EAST CENTRAL WASHINGTON COUNTY IN SOUTHWEST ALABAMA...

* UNTIL 230 AM CST

* AT 137 AM CST...A SEVERE THUNDERSTORM CAPABLE OF PRODUCING A
  TORNADO WAS LOCATED 6 MILES EAST OF CHATOM...OR 7 MILES NORTHEAST
  OF TIBBIE...MOVING NORTHEAST AT 35 MPH.

* LOCATIONS IMPACTED INCLUDE...
  JACKSON...            WAGARVILLE...         SAINT STEPHENS...
  LEROY...

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A TORNADO WATCH REMAINS IN EFFECT UNTIL 500 AM CST MONDAY MORNING FOR
SOUTHWEST ALABAMA AND SOUTHEAST MISSISSIPPI. A TORNADO WATCH ALSO
REMAINS IN EFFECT UNTIL 900 AM CST MONDAY MORNING FOR SOUTHWESTERN
ALABAMA AND NORTHWEST FLORIDA.

&&

LAT...LON 3175 8796 3152 8773 3138 8815 3147 8821
TIME...MOT...LOC 0741Z 232DEG 31KT 3146 8813

$$

The office that day

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

IssuedProductOfficeCountiesLasted
Nov 17, 1:29 AM CSTSevere Thunderstorm WarningMOBClarke, Washington61 min
Nov 17, 2:08 AM CSTTornado WarningMOBClarke37 min
Nov 17, 2:09 AM CSTSevere Thunderstorm WarningMOBBaldwin, Clarke, Conecuh, Escambia, Monroe, Washington66 min
Nov 17, 2:37 AM CSTTornado WarningMOBClarke, Monroe, Wilcox25 min
Nov 17, 3:07 AM CSTTornado WarningMOBConecuh, Monroe53 min
Nov 17, 3:14 AM CSTTornado WarningMOBButler, Conecuh, Monroe, Wilcox14 min
Nov 17, 3:22 AM CSTSpecial Marine WarningMOB83 min
Nov 17, 3:45 AM CSTTornado WarningMOBButler, Conecuh45 min
Nov 17, 4:07 AM CSTSevere Thunderstorm WarningMOBButler, Covington, Crenshaw53 min
Nov 17, 4:21 AM CSTTornado WarningMOBButler, Crenshaw39 min
Nov 17, 4:24 AM CSTHard Freeze WatchMOBButler, Choctaw, Clarke, Conecuh, Covington, Crenshaw and 4 more26 hr
Nov 17, 4:24 AM CSTWind AdvisoryMOBButler, Choctaw, Clarke, Conecuh, Covington, Crenshaw and 4 more26 hr
Nov 17, 4:41 AM CSTSevere Thunderstorm WarningMOBBaldwin, Conecuh, Escambia49 min
Nov 17, 4:42 AM CSTTornado WarningMOBCrenshaw20 min
Nov 17, 5:09 AM CSTSpecial Marine WarningMOB2 hr
Nov 17, 5:47 AM CSTGale WarningMOB24 hr
Nov 17, 5:47 AM CSTSmall Craft AdvisoryMOB42 hr
Nov 17, 5:47 AM CSTSmall Craft AdvisoryMOB36 hr
Nov 17, 5:51 AM CSTFire Weather WatchMOBButler, Choctaw, Clarke, Conecuh, Covington, Crenshaw and 4 more48 hr
Nov 17, 5:51 AM CSTFire Weather WatchMOBButler, Choctaw, Clarke, Conecuh, Covington, Crenshaw and 4 more25 hr

Nearby

Tornado Warnings in Alabama, 2014Every tornado warning in 2014Tornadoes in 2014

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.