Alert archive / Alabama / Severe Thunderstorm Warnings in 2012

Severe Thunderstorm Warning 5, NWS Tallahassee, FL

January 21, 2012Dale County, Alabama

NWS Tallahassee, FL issued this severe thunderstorm warning at Jan 21, 2012, 5:15 PM CST for Dale County, Alabama. It was in force for 30 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 21, 2012, 5:15 PM CST (23:15 UTC)
Expired
Jan 21, 2012, 5:45 PM CST
In force
30 min
Issued by
NWS Tallahassee, FL
Area
Storm-based polygon

County Dale County, AL

What was reported inside it

TimeReportWhereRemark
Jan 21, 5:30 PM CSTHAIL 0.751 Nne Ozark, ALHAIL REPORTED TO DISPATCH AS ERASURE SIZE NEAR 231 ROY PARKER ROAD

Local storm reports filed while the alert was in force, from inside its polygon or its counties.

The nearest sounding before it

Tallahassee Rgnl, FL (KTLH), launched 12:00Z, 11.3 hours before the alert went out and 182 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, Tallahassee Rgnl, FL at 12:00Z on 2012-01-21Temperature 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, Tallahassee Rgnl, FL at 12:00Z on 2012-01-21The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 173 square meters per square second.1939587897Sfc1 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
1043 m above ground
0-6 km bulk shear
40 kt
0-1 km storm-relative helicity
173 m²/s²
0-3 km storm-relative helicity
220 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.

856 
WUUS52 KTAE 212315
SVRTAE
ALC045-212345-
/O.NEW.KTAE.SV.W.0005.120121T2315Z-120121T2345Z/

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE TALLAHASSEE FL
515 PM CST SAT JAN 21 2012

THE NATIONAL WEATHER SERVICE IN TALLAHASSEE HAS ISSUED A

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

* UNTIL 545 PM CST

* AT 511 PM CST...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 6 MILES
  NORTHWEST OF OZARK...OR NEAR DILLARD...AND MOVING EAST AT 30 MPH.

* OTHER LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO
  HOOPER STAGE FIELD...DILL...PLEASANT HILL...DALE COUNTY LAKE...DEAN
  CHURCH ROAD...BLACKWELL FIELD A/P.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

RELAY REPORTS OF SEVERE WEATHER TO THE NATIONAL WEATHER SERVICE IN
TALLAHASSEE AT (8 5 0) 9 4 2 8 8 3 3. OR...YOU MAY CONTACT THE
NEAREST LAW ENFORCEMENT AGENCY OR YOUR COUNTY EMERGENCY MANAGEMENT.
THEY WILL RELAY YOUR REPORT TO THE NATIONAL WEATHER SERVICE.

&&

LAT...LON 3160 8576 3160 8575 3159 8574 3158 8566
      3154 8542 3130 8542 3139 8579 3160 8579
TIME...MOT...LOC 2315Z 286DEG 24KT 3149 8570

$$

42-DVD
2 follow-up statements
283 
WWUS52 KTAE 212327
SVSTAE

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE TALLAHASSEE FL
527 PM CST SAT JAN 21 2012

ALC045-212345-
/O.CON.KTAE.SV.W.0005.000000T0000Z-120121T2345Z/
DALE AL-
527 PM CST SAT JAN 21 2012

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 545 PM CST
FOR CENTRAL DALE COUNTY...

AT 525 PM CST...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
INDICATE A SEVERE THUNDERSTORM CAPABLE OF PRODUCING QUARTER SIZE
HAIL...AND DAMAGING WINDS IN EXCESS OF 60 MPH.  THIS STORM WAS
LOCATED NEAR OZARK...MOVING SOUTHEAST AT 25 MPH.

OTHER LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO DALE 
COUNTY LAKE...DEAN CHURCH ROAD...BEAMON...BLACKWELL FIELD A/P.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

RELAY REPORTS OF SEVERE WEATHER TO THE NATIONAL WEATHER SERVICE IN
TALLAHASSEE AT (8 5 0) 9 4 2 8 8 3 3. OR...YOU MAY CONTACT THE
NEAREST LAW ENFORCEMENT AGENCY OR YOUR COUNTY EMERGENCY MANAGEMENT.
THEY WILL RELAY YOUR REPORT TO THE NATIONAL WEATHER SERVICE.

&&

LAT...LON 3154 8542 3130 8542 3139 8579 3153 8579
TIME...MOT...LOC 2327Z 294DEG 23KT 3146 8565

$$

42-DVD
836 
WWUS52 KTAE 212343
SVSTAE

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE TALLAHASSEE FL
543 PM CST SAT JAN 21 2012

ALC045-212353-
/O.EXP.KTAE.SV.W.0005.000000T0000Z-120121T2345Z/
DALE AL-
543 PM CST SAT JAN 21 2012

...THE SEVERE THUNDERSTORM WARNING FOR CENTRAL DALE COUNTY WILL
EXPIRE AT 545 PM CST...

THE STORM HAS WEAKENED BELOW SEVERE LIMITS...HOWEVER SMALL HAIL 
REMAINS POSSIBLE.

RELAY REPORTS OF SEVERE WEATHER TO THE NATIONAL WEATHER SERVICE IN
TALLAHASSEE AT (8 5 0) 9 4 2 8 8 3 3. OR...YOU MAY CONTACT THE
NEAREST LAW ENFORCEMENT AGENCY OR YOUR COUNTY EMERGENCY MANAGEMENT.
THEY WILL RELAY YOUR REPORT TO THE NATIONAL WEATHER SERVICE.

LAT...LON 3154 8542 3130 8542 3139 8579 3153 8579
TIME...MOT...LOC 2343Z 294DEG 23KT 3142 8554

$$

42-DVD

The office that day

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

IssuedProductOfficeCountiesLasted
Jan 21, 4:39 PM CSTSpecial Weather StatementTAEDale36 min

Nearby

Severe Thunderstorm Warnings in Alabama, 2012Every 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.