Alert archive / Alabama / Severe Thunderstorm Warnings in 2012

Severe Thunderstorm Warning 99, NWS Tallahassee, FL

April 5, 2012Dale County, Alabama

NWS Tallahassee, FL issued this severe thunderstorm warning at Apr 5, 2012, 2:41 PM CDT for Dale County, Alabama. It was in force for 49 min. 6 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 5, 2012, 2:41 PM CDT (19:41 UTC)
Expired: Apr 5, 2012, 3:30 PM CDT
In force: 49 min
Issued by: NWS Tallahassee, FL
Area: Storm-based polygon

County Dale County, AL

What was reported inside it

Time	Report	Where	Remark
Apr 5, 3:07 PM CDT	TSTM WND DMG	Marley Hill, AL	TREES DOWN AROUND MARLEY HILL
Apr 5, 3:16 PM CDT	TSTM WND GST 59	Ozark, AL	EMERGENCY MANAGER REPORTED A MEASURED WIND GUST OF 51 KNOTS AT 316 PM CT IN OZARK.
Apr 5, 3:16 PM CDT	HAIL 0.75	Ozark, AL
Apr 5, 3:25 PM CDT	TSTM WND DMG	5 E Ozark, AL	A FEW TREES REPORTED DOWN IN EASTERN DALE COUNTY.
Apr 5, 3:29 PM CDT	TSTM WND DMG	Browns Crossroads, AL	TREES DOWN AROUND BROWNS CROSSROADS
Apr 5, 3:29 PM CDT	TSTM WND DMG	Echo, AL	TREES DOWN AROUND ECHO

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 5, 1:58 PM CDT	Severe Thunderstorm Watch	SPC	6 hr

The nearest sounding before it

Tallahassee Rgnl, FL (KTLH), launched 12:00Z, 7.7 hours before the alert went out and 174 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: 71 J/kg
Mixed-layer CIN: -397 J/kg
Mixed-layer LCL: 1087 m above ground
0-6 km bulk shear: 26 kt
0-1 km storm-relative helicity: 59 m²/s²
0-3 km storm-relative helicity: 61 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.

924 
WUUS52 KTAE 051941
SVRTAE
ALC045-052030-
/O.NEW.KTAE.SV.W.0099.120405T1941Z-120405T2030Z/

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE TALLAHASSEE FL
241 PM CDT THU APR 5 2012

THE NATIONAL WEATHER SERVICE IN TALLAHASSEE HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  NORTHERN DALE COUNTY IN SOUTHEAST ALABAMA...

* UNTIL 330 PM CDT

* AT 239 PM CDT...THE NATIONAL WEATHER SERVICE HAS DETECTED A SEVERE
  THUNDERSTORM CAPABLE OF PRODUCING QUARTER SIZE HAIL...AND DAMAGING
  WINDS IN EXCESS OF 60 MPH.  THIS STORM WAS LOCATED 12 MILES WEST OF
  ARITON...OR NEAR VICTORIA...AND MOVING EAST AT 30 MPH.

* OTHER LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO OZARK

PRECAUTIONARY/PREPAREDNESS ACTIONS...

THIS IS A DANGEROUS STORM. IF YOU ARE IN ITS PATH...PREPARE
IMMEDIATELY. PEOPLE OUTSIDE SHOULD MOVE INSIDE A STRONG BUILDING BUT
AWAY FROM WINDOWS.

&&

LAT...LON 3162 8543 3162 8542 3139 8542 3141 8579
      3162 8579
TIME...MOT...LOC 1942Z 266DEG 24KT 3154 8588

$$

42-DVD

1 follow-up statement

233 
WWUS52 KTAE 052016
SVSTAE

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE TALLAHASSEE FL
316 PM CDT THU APR 5 2012

ALC045-052030-
/O.CON.KTAE.SV.W.0099.000000T0000Z-120405T2030Z/
DALE AL-
316 PM CDT THU APR 5 2012

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 330 PM CDT
FOR NORTHERN DALE COUNTY...

AT 311 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
INDICATE A LINE OF SEVERE THUNDERSTORMS CAPABLE OF PRODUCING QUARTER
SIZE HAIL...AND DAMAGING WINDS IN EXCESS OF 60 MPH.  THESE STORMS
WERE LOCATED ALONG A LINE EXTENDING FROM ARGUTA TO PLEASANT HILL...
MOVING EAST AT 30 MPH.

OTHER LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO 
SKIPPERVILLE...BLACKWELL FIELD A/P...ROBERTS CROSSROADS... 
ASBURY...MABSON...EWELL...WARD BRIDGE.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 900 PM CDT
THURSDAY EVENING FOR SOUTHEAST ALABAMA AND NORTHWEST FLORIDA AND
SOUTHWESTERN GEORGIA.

&&

LAT...LON 3162 8570 3162 8542 3139 8542 3141 8579
TIME...MOT...LOC 2016Z 266DEG 24KT 3158 8555 3141 8565

$$

42-DVD

The office that day

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

Issued	Product	Office	Counties	Lasted
Apr 5, 2:26 PM CDT	Severe Thunderstorm Warning	TAE	Coffee	34 min
Apr 5, 3:27 PM CDT	Severe Thunderstorm Warning	TAE	Dale, Henry, Houston	48 min

Nearby

Severe Thunderstorm Warnings in Alabama, 2012 Every severe thunderstorm warning in 2012

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.