Alert archive / Florida / Flash Flood Warnings in 2021

Flash Flood Warning 3, NWS Tallahassee, FL

January 2, 2021Bay County, Florida

NWS Tallahassee, FL issued this flash flood warning at Jan 2, 2021, 1:11 PM CST for Bay County, Florida. It was in force for 77 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: Jan 2, 2021, 1:11 PM CST (19:11 UTC)
Expired: Jan 2, 2021, 2:28 PM CST
In force: 77 min
Issued by: NWS Tallahassee, FL
Area: Storm-based polygon
Flood severity: None

County Bay County, FL

What was reported inside it

Time	Report	Where	Remark
Jan 2, 1:15 PM CST	FLASH FLOOD	Bay Harbor, FL	WATER AROUND 6 INCHES DEEP REACHING THE RIMS OF TIRES NEAR HIGHWAY 22 AND CHERRY STREET AND BOB LITTLE ROAD.

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, 7.2 hours before the alert went out and 128 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: 57 J/kg
Mixed-layer CIN: -135 J/kg
Mixed-layer LCL: 587 m above ground
0-6 km bulk shear: 44 kt
0-1 km storm-relative helicity: 48 m²/s²
0-3 km storm-relative helicity: 71 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.1

Open this sounding in Storm Lab

The text

As transmitted.

823 
WGUS52 KTAE 021911
FFWTAE
FLC005-022115-
/O.NEW.KTAE.FF.W.0003.210102T1911Z-210102T2115Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
Flash Flood Warning
National Weather Service Tallahassee FL
111 PM CST Sat Jan 2 2021

The National Weather Service in Tallahassee has issued a

* Flash Flood Warning for...
  Southeastern Bay County in the panhandle of Florida...

* Until 315 PM CST.

* At 111 PM CST, Doppler radar indicated heavy rain across the 
  warned area. Flash flooding is ongoing or expected to begin 
  shortly.

  HAZARD...Flash flooding caused by heavy rain.

  SOURCE...Doppler radar.

  IMPACT...Flooding of small creeks and streams, urban areas,
           highways, streets and underpasses as well as other
           drainage and low lying areas.

* Some locations that will experience flash flooding include...
  Panama City, Lynn Haven, Callaway, Springfield, Hiland Park, 
  Tyndall Air Force Base, Parker, Brannonville, College Station, 
  Cedar Grove, Bay Harbor, Millville, Dirego Park, Bayou George, 
  Beacon Beach, Majette, Cairo, St Andrews State Park and Nixon.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Turn around, don't drown when encountering flooded roads. Most flood 
deaths occur in vehicles.

&&

LAT...LON 3012 8576 3014 8574 3025 8563 3029 8559
      3030 8557 3035 8539 3013 8551 3002 8557

FLASH FLOOD...RADAR INDICATED

$$

42-DVD

1 follow-up statement

120 
WGUS72 KTAE 022028
FFSTAE

Flash Flood Statement
National Weather Service Tallahassee FL
228 PM CST Sat Jan 2 2021

FLC005-022038-
/O.CAN.KTAE.FF.W.0003.000000T0000Z-210102T2115Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Bay FL-
228 PM CST Sat Jan 2 2021

...FLASH FLOOD WARNING IS CANCELLED FOR SOUTHEASTERN BAY COUNTY...

The heavy rain has ended. Please continue to heed remaining road 
closures.

A Flash Flood Watch remains in effect until 1200 AM CST Sunday for 
portions of Florida and Georgia.

LAT...LON 3012 8576 3014 8574 3025 8563 3029 8559
      3030 8557 3035 8539 3013 8551 3002 8557

$$

42-DVD

The office that day

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

Issued	Product	Office	Counties	Lasted
Jan 1, 7:44 PM CST	Special Marine Warning	TAE		61 min
Jan 2, 6:07 AM CST	Special Marine Warning	TAE		3 hr
Jan 2, 7:00 AM CST	Areal Flood Advisory	TAE	Franklin, Jefferson, Leon, Liberty, Madison, Wakulla	3 hr
Jan 2, 7:33 AM CST	Marine Dense Fog Advisory	TAE		7 hr
Jan 2, 7:41 AM CST	Flash Flood Warning	TAE	Jefferson, Leon, Madison, Wakulla	5 hr
Jan 2, 9:13 AM CST	River Flood Warning	TAE	Leon, Wakulla	4 days
Jan 2, 9:32 AM CST	Areal Flood Advisory	TAE	Franklin	3 hr
Jan 2, 11:45 AM CST	Areal Flood Advisory	TAE	Bay	3 hr
Jan 2, 2:00 PM CST	Areal Flood Advisory	TAE	Franklin	5 hr
Jan 2, 2:10 PM CST	Areal Flood Advisory	TAE	Wakulla	5 hr
Jan 2, 3:20 PM CST	Areal Flood Advisory	TAE	Jefferson, Leon	4 hr

Nearby

Flash Flood Warnings in Florida, 2021 Every flash flood warning in 2021

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.