Alert archive / Alabama / Tornado Warnings in 2015

Tornado Warning 10, NWS Tallahassee, FL

April 19, 2015Dale County, Henry County, Alabama

NWS Tallahassee, FL issued this tornado warning at Apr 19, 2015, 8:36 AM CDT for Dale County, Henry County, Alabama. It was in force for 24 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 19, 2015, 8:36 AM CDT (13:36 UTC)
Expired: Apr 19, 2015, 9:00 AM CDT
In force: 24 min
Issued by: NWS Tallahassee, FL
Area: Storm-based polygon

Counties Dale County, AL, Henry County, AL

The radar

The Ft Rucker radar (KEOX), 35 km from the middle of the area, began a volume at 13:35 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 19, 8:46 AM CDT	TORNADO 1	5 Sw Abbeville, AL	PRELIMINARY DATA SUPPORTS AT LEAST AN EF1 TORNADO WITH DAMAGE PATH FROM 31.5135 -85.3112 AT 846 AM CDT TO 31.5302 -85.2815 AT 853 AM CDT. DAMAGE TO TREES WITH FIVE RAIL CARS TIPPED OVER OFF OF THE TRACKS ALONG ALABAMA HIGHWAY 173 JUST SOUTH OF A PULPWOOD PLANT
Apr 19, 8:51 AM CDT	TORNADO	3 Wsw Abbeville, AL	STATE TROOPER REPORTED TRAIN CARS OVERTURNED NEAR HIGHWAY 431...MILE MARKER 38.
Apr 19, 8:57 AM CDT	TSTM WND DMG	Abbeville, AL	SEVERAL POWER LINES DOWN AROUND ABBEVILLE. POSSIBLE TORNADO JUST SOUTH OF ABBEVILLE BASED ON DUAL POL DATA FROM EOX

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 19, 6:57 AM CDT	Tornado Watch	SPC	7 hr

The nearest sounding before it

Tallahassee Rgnl, FL (KTLH), launched 12:00Z, 1.6 hours before the alert went out and 158 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: 760 J/kg
Mixed-layer CIN: -13 J/kg
Mixed-layer LCL: 636 m above ground
0-6 km bulk shear: 39 kt
0-1 km storm-relative helicity: 119 m²/s²
0-3 km storm-relative helicity: 340 m²/s²
Significant tornado parameter: 0.2
Supercell composite: 2.2

Open this sounding in Storm Lab

The text

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

444 
WFUS52 KTAE 191336
TORTAE
ALC045-067-191400-
/O.NEW.KTAE.TO.W.0010.150419T1336Z-150419T1400Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE TALLAHASSEE FL
836 AM CDT SUN APR 19 2015

THE NATIONAL WEATHER SERVICE IN TALLAHASSEE HAS ISSUED A

* TORNADO WARNING FOR...
  CENTRAL HENRY COUNTY IN SOUTHEASTERN ALABAMA...
  EAST CENTRAL DALE COUNTY IN SOUTHEASTERN ALABAMA...

* UNTIL 900 AM CDT
    
* AT 835 AM CDT...DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM
  CAPABLE OF PRODUCING A TORNADO. THIS DANGEROUS STORM WAS LOCATED 9
  MILES SOUTHWEST OF ABBEVILLE...AND MOVING NORTHEAST AT 55 MPH.

* LOCATIONS IMPACTED INCLUDE...
  ABBEVILLE...NEWVILLE...SHORTERVILLE...CAPPS...WILLIS CROSSROADS...
  DANCEY...BELLS CROSSROADS...MURPHY STATION...DOUBLE BRIDGES...
  SCREAMER...COATES...THOMAS MILL CREEK...GRABALL...ABBEVILLE
  MUNICIPAL A/P...KIRKLAND CROSSROADS...BAREFIELD CROSSROADS...
  ECHO...SNELLS CROSSROADS...BERTHA AND OTHO.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

TAKE COVER NOW. MOVE TO A BASEMENT OR AN INTERIOR ROOM ON THE LOWEST
FLOOR OF A STURDY BUILDING. AVOID WINDOWS. IF YOU ARE IN A MOBILE
HOME OR OUTDOORS...MOVE TO THE CLOSEST SUBSTANTIAL SHELTER AND
PROTECT YOURSELF FROM FLYING DEBRIS.

&&

LAT...LON 3174 8512 3170 8513 3167 8510 3166 8508
      3164 8509 3162 8506 3157 8506 3154 8504
      3153 8505 3139 8541 3152 8551 3175 8512
TIME...MOT...LOC 1335Z 240DEG 49KT 3149 8538 

$$

42-DVD

The office that day

Everything else NWS Tallahassee, FL issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Apr 19, 7:47 AM CDT	Flash Flood Warning	TAE	Coffee, Dale, Geneva	3 hr
Apr 19, 8:18 AM CDT	Tornado Warning	TAE	Coffee, Geneva	27 min
Apr 19, 8:42 AM CDT	Severe Thunderstorm Warning	TAE	Coffee, Dale	30 min
Apr 19, 8:54 AM CDT	Tornado Warning	TAE	Henry	36 min
Apr 19, 8:58 AM CDT	Flash Flood Warning	TAE	Dale, Henry	3 hr
Apr 19, 9:18 AM CDT	Tornado Warning	TAE	Henry	42 min
Apr 19, 9:52 AM CDT	Tornado Warning	TAE	Houston	23 min
Apr 19, 10:11 AM CDT	Tornado Warning	TAE	Henry, Houston	34 min
Apr 19, 4:38 PM CDT	River Flood Warning	TAE	Dale	41 hr

Nearby

Tornado Warnings in Alabama, 2015 Every tornado warning in 2015 Tornadoes in 2015

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.