Alert archive / Alabama / Special Weather Statements in 2017

Special Weather Statement, NWS Tallahassee, FL

May 28, 2017Henry County, Alabama

NWS Tallahassee, FL issued this special weather statement at May 28, 2017, 1:02 PM CDT for Henry County, Alabama. It was in force for 43 min. No storm report in the archive falls inside the area while it was in force.

The area

The outline as issued.

The facts

Issued: May 28, 2017, 1:02 PM CDT (18:02 UTC)
Expired: May 28, 2017, 1:45 PM CDT
In force: 43 min
Issued by: NWS Tallahassee, FL

County Henry County, AL

The radar

The Ft Rucker radar (KEOX), 26 km from the middle of the area, began a volume at 18:02 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.

The nearest sounding before it

Tallahassee Rgnl, FL (KTLH), launched 12:00Z, 6.0 hours before the alert went out and 163 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: 1207 J/kg
Mixed-layer CIN: -163 J/kg
Mixed-layer LCL: 568 m above ground
0-6 km bulk shear: 16 kt
0-1 km storm-relative helicity: 17 m²/s²
0-3 km storm-relative helicity: 33 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

The text

As transmitted.

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What forecasters said that day

The local office's own words before this special weather statement went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

NWS Tallahassee, FL wrote its last area forecast discussion before this special weather statement went out at May 28, 12:22 PM CDT, 40 minutes earlier.

Area forecast discussion, May 28, 12:22 PM CDT, 40 minutes before

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In the hours before

Special weather statement, May 28, 1:02 PM CDT, 0 minutes before

Special Weather Statement
National Weather Service Tallahassee FL
102 PM CDT SUN MAY 28 2017

ALZ066-067-281845-
Dale AL-Henry AL-
102 PM CDT SUN MAY 28 2017

...SIGNIFICANT WEATHER ADVISORY FOR NORTHERN DALE AND HENRY COUNTIES
UNTIL 145 PM CDT...

At 102 PM CDT, National Weather Service doppler radar indicated a
strong thunderstorm near Doster, or near Clio, moving east at 35 mph.

Half inch hail and winds in excess of 40 mph will be possible with
this storm.

Locations impacted include...
Abbeville, Ariton, Shorterville, Bells Crossroads, Walter F. George
Lock And Dam, Dill, Edwin, Hayes, Scottsboro Crossroads, Double
Bridges, Arguta, Snells Crossroads, Graball, Dancey, Thomas Mill
Creek, Phillips Crossroads, Greater Salem Church, Skipperville,
Barnes and Hardwickburg.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Frequent cloud to ground lightning is occurring with this storm.
Lightning can strike 10 miles away from a thunderstorm. Seek a safe
shelter inside a building or vehicle.

&&

LAT...LON 3170 8513 3166 8508 3164 8509 3162 8506
      3157 8506 3154 8504 3147 8507 3144 8507
      3151 8579 3157 8579 3162 8575 3162 8542
      3171 8542 3170 8522 3171 8521 3171 8513
TIME...MOT...LOC 1802Z 274DEG 32KT 3162 8561

32

The office that day

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

Issued	Product	Office	Counties	Lasted
May 28, 9:13 AM CDT	Rip Current Statement	TAE	Bay, Gulf, Walton	13 hr
May 28, 2:25 PM CDT	Special Weather Statement	TAE	Holmes	50 min
May 28, 2:34 PM CDT	Severe Thunderstorm Warning	TAE	Holmes, Walton	41 min
May 28, 3:19 PM CDT	Severe Thunderstorm Warning	TAE	Holmes, Jackson, Washington	41 min

Nearby

Special Weather Statements in Alabama, 2017 Every special weather statement in 2017

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.