Alert archive / Florida / Flash Flood Warnings in 2017

Flash Flood Warning 2, NWS Tallahassee, FL

January 2, 2017Holmes County, Jackson County, Washington County, Florida; Dale County, Geneva County, Houston County, Alabama

NWS Tallahassee, FL issued this flash flood warning at Jan 2, 2017, 7:13 PM CST for Holmes County, Jackson County, Washington County, Florida; Dale County, Geneva County, Houston County, Alabama. It was in force for 3 hr. 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 2, 2017, 7:13 PM CST (01:13 UTC)
Expired
Jan 2, 2017, 10:15 PM CST
In force
3 hr
Issued by
NWS Tallahassee, FL
Area
Storm-based polygon
Flood severity
None

Counties Dale County, AL, Geneva County, AL, Houston County, AL, Holmes County, FL, Jackson County, FL, Washington County, FL

The radar

The Ft Rucker radar (KEOX), 37 km from the middle of the area, began a volume at 01:14 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

TimeReportWhereRemark
Jan 2, 8:30 PM CSTFLASH FLOOD4 Se Taylor, ALHELMS ROAD WAS IMPASSIBLE

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, 1.2 hours before the alert went out and 151 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 00:00Z on 2017-01-03Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 202 joules per kilogram.LCLLFCEL10008507005003002001001 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 00:00Z on 2017-01-03The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 138 square meters per square second.19395878Sfc1 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
202 J/kg
Mixed-layer CIN
-97 J/kg
Mixed-layer LCL
638 m above ground
0-6 km bulk shear
46 kt
0-1 km storm-relative helicity
138 m²/s²
0-3 km storm-relative helicity
182 m²/s²
Significant tornado parameter
0.1
Supercell composite
3.4

Open this sounding in Storm Lab

The text

As transmitted.

481 
WGUS52 KTAE 030113
FFWTAE
ALC045-061-069-FLC059-063-133-030415-
/O.NEW.KTAE.FF.W.0002.170103T0113Z-170103T0415Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
Flash Flood Warning
National Weather Service Tallahassee FL
713 PM CST MON JAN 2 2017

The National Weather Service in Tallahassee has issued a

* Flash Flood Warning for...
  Western Houston County in southeastern Alabama...
  Southern Dale County in southeastern Alabama...
  Eastern Geneva County in southeastern Alabama...
  Central Holmes County in the Panhandle of Florida...
  Northwestern Jackson County in the Panhandle of Florida...
  Northeastern Washington County in the Panhandle of Florida...

* Until 1015 PM CST

* At 713 PM CST, Doppler radar indicated thunderstorms producing
  heavy rain across the warned area. Flash flooding is expected to
  begin shortly.

* Some locations that will experience flooding include...
  Daleville, Chipley, Bonifay, Graceville, Dothan, Enterprise, Fort
  Rucker, Hartford, Taylor, Midland City, Kinsey, Level Plains,
  Slocomb, Cowarts, Newton, Pinckard, Malvern, Rehobeth, Cottondale
  and Clayhatchee.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 3120 8580 3121 8579 3132 8579 3134 8542
      3131 8542 3131 8533 3074 8534 3073 8584

$$

42-DVD

The office that day

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

IssuedProductOfficeCountiesLasted
Jan 2, 6:25 PM CSTSevere Thunderstorm WarningTAEBay, Holmes, Walton, Washington80 min
Jan 2, 6:40 PM CSTSpecial Marine WarningTAE95 min
Jan 2, 7:05 PM CSTSevere Thunderstorm WarningTAEBay, Calhoun, Holmes, Jackson, Washington55 min
Jan 2, 7:45 PM CSTSevere Thunderstorm WarningTAEJackson60 min
Jan 2, 7:57 PM CSTSevere Thunderstorm WarningTAEBay, Calhoun, Gadsden, Jackson, Liberty, Washington63 min
Jan 2, 8:06 PM CSTSpecial Marine WarningTAE84 min
Jan 2, 8:45 PM CSTSevere Thunderstorm WarningTAEGadsden, Liberty45 min
Jan 2, 10:18 PM CSTSevere Thunderstorm WarningTAEWalton, Washington27 min
Jan 2, 10:20 PM CSTTornado WarningTAELiberty40 min
Jan 3, 1:30 AM CSTSpecial Marine WarningTAE60 min
Jan 3, 4:09 AM CSTSpecial Marine WarningTAE66 min
Jan 3, 2:36 PM CSTRiver Flood WarningTAECalhoun, Franklin, Gulf, Liberty7 days
Jan 2, 7:33 PM CSTTornado WarningTAEGeneva, Houston27 min
Jan 2, 7:46 PM CSTTornado Warning Tornado observedTAEHouston29 min

Nearby

Flash Flood Warnings in Florida, 2017Flash Flood Warnings in Alabama, 2017Every 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.