Alert archive / Florida / Flash Flood Warnings in 2012

Flash Flood Warning 3, NWS Tallahassee, FL

March 3, 20127 counties in Florida

NWS Tallahassee, FL issued this flash flood warning at Mar 3, 2012, 11:22 AM CST for 7 counties in Florida. It was in force for 4 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: Mar 3, 2012, 11:22 AM CST (17:22 UTC)
Expired: Mar 3, 2012, 3:15 PM CST
In force: 4 hr
Issued by: NWS Tallahassee, FL
Area: Storm-based polygon
Flood severity: None

Counties Bay County, FL, Calhoun County, FL, Gadsden County, FL, Jackson County, FL, Liberty County, FL, Walton County, FL, Washington County, FL

The radar

The Eglin Afb radar (KEVX), 35 km from the middle of the area, began a volume at 17:21 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
Mar 3, 12:30 PM CST	FLASH FLOOD	2 N Steele City, FL	HOUSE FLOODED NEAR HWY 231 AND I-10. SHERIFF DEPT COMING TO TURN OFF POWER
Mar 3, 12:30 PM CST	FLASH FLOOD	2 N Steele City, FL	HOUSE FLOODED NEAR HWY 231 AND I-10. SHERIFF DEPT. COMING TO TURN OFF POWER.
Mar 3, 2:15 PM CST	FLASH FLOOD	1 E Marianna, FL	DITCHES OVERFLOWING WATER INTO A HOME.

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, 5.4 hours before the alert went out and 121 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: 499 J/kg
Mixed-layer CIN: 0 J/kg
Mixed-layer LCL: 472 m above ground
0-6 km bulk shear: 61 kt
0-1 km storm-relative helicity: 257 m²/s²
0-3 km storm-relative helicity: 283 m²/s²
Significant tornado parameter: 0.9
Supercell composite: 4.1

Open this sounding in Storm Lab

The text

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

934 
WGUS52 KTAE 031722
FFWTAE
FLC005-013-039-063-077-131-133-032115-
/O.NEW.KTAE.FF.W.0003.120303T1722Z-120303T2115Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE TALLAHASSEE FL
1122 AM CST SAT MAR 3 2012

THE NATIONAL WEATHER SERVICE IN TALLAHASSEE HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  WEST CENTRAL GADSDEN COUNTY IN FLORIDA...
  EXTREME NORTH CENTRAL LIBERTY COUNTY IN FLORIDA...
  NORTHERN BAY COUNTY IN THE PANHANDLE OF FLORIDA...
  NORTHERN CALHOUN COUNTY IN THE PANHANDLE OF FLORIDA...
  JACKSON COUNTY IN THE PANHANDLE OF FLORIDA...
  CENTRAL WALTON COUNTY IN THE PANHANDLE OF FLORIDA...
  WASHINGTON COUNTY IN THE PANHANDLE OF FLORIDA...

* UNTIL 315 PM CST/415 PM EST/

* AT 1117 AM CST...THE NATIONAL WEATHER SERVICE HAS DETECTED FLASH   
FLOODING FROM A THUNDERSTORM OVER THE WARNED AREA. IN 
ADDITION...SEVERAL REPORTS OF FLOODING HAVE COME IN FROM THE PUBLIC. 
MAINLY FLOODING OF LOCAL ROADS...HIGHWAYS...AND PARTS OF INTERSTATE 
10 IN JACKSON COUNTY.

* LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO MARIANNA

PRECAUTIONARY/PREPAREDNESS ACTIONS...

ADDITIONAL RAINFALL AMOUNTS OF 2 TO 4 INCHES ARE POSSIBLE IN THE 
WARNED AREA.

MOST FLOOD DEATHS OCCUR IN AUTOMOBILES. NEVER DRIVE YOUR VEHICLE INTO
AREAS WHERE THE WATER COVERS THE ROADWAY. FLOOD WATERS ARE USUALLY
DEEPER THAN THEY APPEAR. JUST ONE FOOT OF FLOWING WATER IS POWERFUL
ENOUGH TO SWEEP VEHICLES OFF THE ROAD. WHEN ENCOUNTERING FLOODED
ROADS MAKE THE SMART CHOICE...TURN AROUND...DON'T DROWN.

&&

LAT...LON 3046 8620 3093 8514 3054 8477 3051 8514
      3044 8543 3042 8565 3038 8592

$$

15-HARRIGAN

The office that day

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

Issued	Product	Office	Counties	Lasted
Mar 2, 7:43 PM CST	Tornado Warning	TAE	Jackson	32 min
Mar 2, 10:16 PM CST	Dense Fog Advisory	TAE	Bay, Calhoun, Franklin, Gulf, Jefferson, Leon and 3 more	10 hr
Mar 2, 10:16 PM CST	Marine Dense Fog Advisory	TAE		9 hr
Mar 3, 2:40 AM CST	Flood Watch	TAE	Bay, Calhoun, Franklin, Gadsden, Gulf, Jackson and 5 more	14 hr
Mar 3, 2:40 AM CST	Rip Current Statement	TAE	Bay, Walton	11 hr
Mar 3, 2:51 AM CST	Fire Weather Watch	TAE	Bay, Calhoun, Dixie, Franklin, Gadsden, Gulf and 10 more	18 hr
Mar 3, 3:30 AM CST	Small Craft Advisory	TAE		18 hr
Mar 3, 6:34 AM CST	Severe Thunderstorm Warning	TAE	Holmes, Jackson	26 min
Mar 3, 7:01 AM CST	Special Marine Warning	TAE		32 min
Mar 3, 7:05 AM CST	Special Marine Warning	TAE		55 min
Mar 3, 7:13 AM CST	Severe Thunderstorm Warning	TAE	Holmes, Walton	32 min
Mar 3, 7:21 AM CST	Severe Thunderstorm Warning	TAE	Holmes, Jackson, Washington	39 min
Mar 3, 7:27 AM CST	Severe Thunderstorm Warning	TAE	Walton, Washington	48 min
Mar 3, 7:48 AM CST	Severe Thunderstorm Warning	TAE	Bay, Walton, Washington	27 min
Mar 3, 7:57 AM CST	Severe Thunderstorm Warning	TAE	Holmes, Jackson, Washington	33 min
Mar 3, 8:16 AM CST	Tornado Warning	TAE	Gadsden, Jefferson, Leon, Liberty	44 min
Mar 3, 8:54 AM CST	Severe Thunderstorm Warning	TAE	Gadsden, Jefferson, Leon	36 min
Mar 3, 8:57 AM CST	Tornado Warning	TAE	Gadsden, Leon, Liberty	48 min
Mar 3, 9:16 AM CST	Tornado Warning	TAE	Calhoun, Gadsden, Jackson, Liberty	29 min
Mar 3, 9:43 AM CST	Tornado Warning	TAE	Gadsden	32 min
Mar 3, 10:09 AM CST	Areal Flood Advisory	TAE	Jackson, Walton, Washington	3 hr
Mar 3, 10:13 AM CST	Severe Thunderstorm Warning	TAE	Gadsden, Leon	32 min
Mar 3, 10:28 AM CST	Severe Thunderstorm Warning	TAE	Gadsden, Leon	32 min
Mar 3, 11:04 AM CST	Areal Flood Advisory	TAE	Calhoun, Gadsden, Jackson, Jefferson, Leon, Liberty	3 hr
Mar 3, 12:29 PM CST	Flash Flood Warning	TAE	Gadsden, Jackson	3 hr
Mar 3, 12:56 PM CST	Special Weather Statement	TAE	Gulf, Leon, Liberty	64 min
Mar 3, 1:03 PM CST	Severe Thunderstorm Warning	TAE	Gadsden, Jefferson, Leon	27 min
Mar 3, 1:10 PM CST	Severe Thunderstorm Warning	TAE	Gadsden, Jefferson, Leon, Liberty, Wakulla	50 min
Mar 3, 1:20 PM CST	Areal Flood Advisory	TAE	Leon	115 min
Mar 3, 1:28 PM CST	Severe Thunderstorm Warning	TAE	Jefferson, Leon, Madison	47 min
Mar 3, 1:53 PM CST	Special Marine Warning	TAE		52 min
Mar 3, 2:00 PM CST	Special Weather Statement	TAE	Gulf, Jefferson, Liberty, Wakulla	60 min
Mar 3, 2:02 PM CST	Wind Advisory	TAE	Dixie, Jefferson, Lafayette, Leon, Madison, Taylor and 1 more	5 hr
Mar 3, 2:13 PM CST	Severe Thunderstorm Warning	TAE	Jefferson, Leon, Madison, Taylor	62 min
Mar 3, 2:39 PM CST	Special Marine Warning	TAE		66 min
Mar 3, 3:24 PM CST	Special Weather Statement	TAE	Franklin, Wakulla	51 min
Mar 3, 3:57 PM CST	Special Marine Warning	TAE		93 min
Mar 3, 4:29 PM CST	Gale Warning	TAE		17 hr
Mar 3, 4:29 PM CST	Small Craft Advisory	TAE		26 hr
Mar 3, 4:38 PM CST	Areal Flood Warning	TAE	Bay, Calhoun, Franklin, Gadsden, Gulf, Holmes and 9 more	10 hr

Nearby

Flash Flood Warnings in Florida, 2012 Every flash flood 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; radar from the NEXRAD Level II archive.