Alert archive / Alabama / Flash Flood Warnings in 2017

Flash Flood Warning 3, NWS Tallahassee, FL

January 21, 2017Coffee County, Dale County, Alabama

NWS Tallahassee, FL issued this flash flood warning at Jan 21, 2017, 9:35 PM CST for Coffee County, Dale County, Alabama. It was in force for 5 hr. 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: Jan 21, 2017, 9:35 PM CST (03:35 UTC)
Expired: Jan 22, 2017, 2:30 AM CST
In force: 5 hr
Issued by: NWS Tallahassee, FL
Area: Storm-based polygon
Flood severity: None

Counties Coffee County, AL, Dale County, AL

The radar

The Ft Rucker radar (KEOX), 35 km from the middle of the area, began a volume at 03:36 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
Jan 21, 9:45 PM CST	FLASH FLOOD	S Elba, AL	FLOODING AT E. DAVIS AND CLAXTON. ROAD IS IMPASSABLE
Jan 21, 10:31 PM CST	FLASH FLOOD	5 Wsw Enterprise, AL	FLOODING ON GENEVA HWY WITH STUCK/FLOODED CAR
Jan 21, 11:19 PM CST	FLASH FLOOD	Ozark, AL	FLOODING OF RESIDENTIAL HOMES REPORTED IN OZARK

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 00:00Z, 3.6 hours before the alert went out and 176 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: 4 J/kg
Mixed-layer CIN: -175 J/kg
Mixed-layer LCL: 1065 m above ground
0-6 km bulk shear: 67 kt
0-1 km storm-relative helicity: 76 m²/s²
0-3 km storm-relative helicity: 92 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

The text

As transmitted.

061 
WGUS52 KTAE 220335
FFWTAE
ALC031-045-220530-
/O.NEW.KTAE.FF.W.0003.170122T0335Z-170122T0530Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
Flash Flood Warning
National Weather Service Tallahassee FL
935 PM CST SAT JAN 21 2017

The National Weather Service in Tallahassee has issued a

* Flash Flood Warning for...
  Coffee County in southeastern Alabama...
  Dale County in southeastern Alabama...

* Until 1130 PM CST

* At 935 PM CST, Doppler radar indicated thunderstorms producing
  heavy rain across the warned area. Up to two inches of rain have
  already fallen in the last hour. Flash flooding is expected to
  begin shortly.

* Some locations that will experience flooding include...
  Daleville, Elba, Fort Rucker, Ozark, Enterprise, Midland City,
  Level Plains, Newton, New Brockton, Pinckard, Clayhatchee, Grimes,
  Kinston, Napier Field, Clintonville, Battens Crossroads, Waterford,
  Hooper Stage Field, Lowe Army Heliport and Central City.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Be especially cautious at night when it is harder to recognize the
dangers of flooding.

&&

LAT...LON 3147 8620 3156 8543 3129 8542 3129 8548
      3126 8559 3127 8564 3125 8568 3119 8613
      3119 8619

$$

42-DVD

1 follow-up statement

722 
WGUS52 KTAE 220520
FFWTAE
ALC031-045-220830-
/O.EXT.KTAE.FF.W.0003.000000T0000Z-170122T0830Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
Flash Flood Warning
National Weather Service Tallahassee FL
1120 PM CST SAT JAN 21 2017

The National Weather Service in Tallahassee has extended the

* Flash Flood Warning for...
  Coffee County in southeastern Alabama...
  Dale County in southeastern Alabama...

* Until 230 AM CST

* At 1120 PM CST, Doppler radar indicated thunderstorms producing
  heavy rain across the warned area. Flash flooding is already
  occurring in portions of Ozark and Enterprise.

* Some locations that will experience flooding include...
  Daleville, Elba, Fort Rucker, Ozark, Enterprise, Midland City,
  Level Plains, Newton, New Brockton, Pinckard, Clayhatchee, Grimes,
  Kinston, Napier Field, Clintonville, Battens Crossroads, Waterford,
  Hooper Stage Field, Lowe Army Heliport and Central City.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Be especially cautious at night when it is harder to recognize the
dangers of flooding.

&&

LAT...LON 3147 8620 3156 8543 3129 8542 3129 8548
      3126 8559 3127 8564 3125 8568 3119 8613
      3119 8619

$$

42-DVD

The office that day

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

Issued	Product	Office	Counties	Lasted
Jan 21, 9:18 PM CST	Tornado Warning	TAE	Coffee, Geneva	15 min
Jan 21, 10:06 PM CST	Severe Thunderstorm Warning	TAE	Dale, Henry	39 min
Jan 21, 10:13 PM CST	Flash Flood Warning	TAE	Henry	5 hr
Jan 21, 11:59 PM CST	Severe Thunderstorm Warning	TAE	Henry, Houston	46 min
Jan 22, 1:59 AM CST	Severe Thunderstorm Warning	TAE	Houston	46 min
Jan 22, 2:17 AM CST	River Flood Warning	TAE	Dale	57 hr
Jan 22, 2:39 AM CST	Wind Advisory	TAE	Coffee, Dale, Geneva, Henry, Houston	14 hr
Jan 22, 8:25 AM CST	River Flood Warning	TAE	Geneva	4 days
Jan 22, 9:12 AM CST	Severe Thunderstorm Warning	TAE	Dale, Geneva, Henry, Houston	21 min
Jan 22, 9:57 AM CST	Severe Thunderstorm Warning	TAE	Geneva	48 min
Jan 22, 10:28 AM CST	Severe Thunderstorm Warning	TAE	Coffee, Dale, Geneva, Houston	47 min
Jan 22, 11:16 AM CST	Severe Thunderstorm Warning	TAE	Dale, Henry, Houston	29 min
Jan 22, 11:22 AM CST	Severe Thunderstorm Warning	TAE	Coffee, Dale, Geneva	53 min
Jan 22, 12:12 PM CST	Severe Thunderstorm Warning	TAE	Coffee, Dale, Geneva, Henry, Houston	48 min
Jan 22, 12:23 PM CST	Tornado Warning	TAE	Dale, Geneva, Houston	37 min
Jan 22, 12:56 PM CST	Tornado Warning	TAE	Henry, Houston	34 min
Jan 22, 12:59 PM CST	Severe Thunderstorm Warning	TAE	Dale, Geneva, Henry, Houston	46 min
Jan 22, 1:20 PM CST	Tornado Warning	TAE	Henry	25 min
Jan 22, 1:39 PM CST	Tornado Warning	TAE	Houston	36 min

Nearby

Flash Flood Warnings in Alabama, 2017 Every flash flood warning 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.