Alert archive / Alabama / Tornado Warnings in 2014

Tornado Warning 37, NWS Birmingham, AL

May 14, 2014Clay County, Alabama

NWS Birmingham, AL issued this tornado warning at May 14, 2014, 3:25 PM CDT for Clay County, Alabama. It was in force for 35 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: May 14, 2014, 3:25 PM CDT (20:25 UTC)
Expired: May 14, 2014, 4:00 PM CDT
In force: 35 min
Issued by: NWS Birmingham, AL
Area: Storm-based polygon

County Clay County, AL

The radar

The Birmingham radar (KBMX), 78 km from the middle of the area, began a volume at 20:27 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
May 14, 3:28 PM CDT	TORNADO 0	4 Nnw Millerville, AL	A BRIEF TORNADO WITH MAXIMUM ESTIMATED WINDS OF 80 MPH TOUCHED DOWN JUST SOUTH OF MINES ROAD NORTHWEST OF MILLERVILLE. JUST NORTH OF MINES ROAD SEVERAL DOZEN HARDWOOD AND SOFTWOOD TREES WERE UPROOTED OR SEVERELY LEANING OVER IN A CONVERGENT PATTERN. NO STRUCTU

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

The nearest sounding before it

Birmingham, AL (KBMX), launched 12:00Z, 8.4 hours before the alert went out and 79 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: 163 J/kg
Mixed-layer CIN: -82 J/kg
Mixed-layer LCL: 1122 m above ground
0-6 km bulk shear: 31 kt
0-1 km storm-relative helicity: 101 m²/s²
0-3 km storm-relative helicity: 142 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.1

Open this sounding in Storm Lab

The text

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

608 
WFUS54 KBMX 142025
TORBMX
ALC027-142100-
/O.NEW.KBMX.TO.W.0037.140514T2025Z-140514T2100Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE BIRMINGHAM AL
325 PM CDT WED MAY 14 2014

THE NATIONAL WEATHER SERVICE IN BIRMINGHAM HAS ISSUED A

* TORNADO WARNING FOR...
  CENTRAL CLAY COUNTY IN EAST CENTRAL ALABAMA...

* UNTIL 400 PM CDT

* AT 322 PM CDT...THE NATIONAL WEATHER SERVICE INDICATED A SEVERE
  THUNDERSTORM CAPABLE OF PRODUCING A TORNADO. THIS DANGEROUS STORM
  WAS LOCATED 7 MILES SOUTHWEST OF ASHLAND...AND MOVING NORTH AT 25
  MPH.

* LOCATIONS IMPACTED INCLUDE...
  SPRINGHILL AND GUNTHERTOWN.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

HEAVY RAINFALL MAY OBSCURE THIS TORNADO. DO NOT WAIT TO SEE OR HEAR
THE TORNADO. TAKE COVER NOW.

&&

TO REPORT SEVERE WEATHER...
CALL 1-800-856-0758 OR TWEET YOUR REPORT USING HASHTAG ALWX

LAT...LON 3321 8592 3321 8597 3329 8599 3338 8598
      3338 8594 3340 8594 3340 8590
TIME...MOT...LOC 2025Z 178DEG 20KT 3323 8594

$$

61

1 follow-up statement

484 
WWUS54 KBMX 142038
SVSBMX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE BIRMINGHAM AL
338 PM CDT WED MAY 14 2014

ALC027-142048-
/O.CAN.KBMX.TO.W.0037.000000T0000Z-140514T2100Z/
CLAY AL-
338 PM CDT WED MAY 14 2014

...THE TORNADO WARNING FOR CENTRAL CLAY COUNTY IS CANCELLED...

THE STORM WHICH PROMPTED THE WARNING HAS WEAKENED BELOW SEVERE
LIMITS...AND NO LONGER POSES AN IMMEDIATE THREAT TO LIFE OR PROPERTY.

TO REPORT SEVERE WEATHER...CALL 1-800-856-0758.

LAT...LON 3321 8592 3321 8597 3329 8599 3338 8598
      3338 8594 3340 8594 3340 8590
TIME...MOT...LOC 2038Z 178DEG 20KT 3330 8594

$$

61

The office that day

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

Issued	Product	Office	Counties	Lasted
May 13, 11:53 PM CDT	Special Weather Statement	BMX	Lamar	67 min
May 14, 1:29 PM CDT	Special Weather Statement	BMX	Pike	31 min
May 14, 2:45 PM CDT	Areal Flood Advisory	BMX	Bibb, Dallas, Perry	3 hr
May 14, 2:49 PM CDT	Special Weather Statement	BMX	Macon	41 min
May 14, 3:17 PM CDT	Special Weather Statement	BMX	Lee	43 min
May 14, 4:08 PM CDT	Tornado Warning	BMX	Barbour	37 min
May 14, 4:34 PM CDT	Severe Thunderstorm Warning	BMX	Barbour	41 min

Nearby

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