Alert archive / Florida / Rip Current Statements in 2010

Rip Current Statement 9, NWS Tallahassee, FL

December 16, 20104 counties in Florida

NWS Tallahassee, FL issued this rip current statement at Dec 16, 2010, 4:40 AM CST for 4 counties in Florida. It was in force for 12 hr.

The area

The counties it named.

The facts

Issued: Dec 16, 2010, 4:40 AM CST (10:40 UTC)
Expired: Dec 16, 2010, 5:00 PM CST
In force: 12 hr
Issued by: NWS Tallahassee, FL

Counties Bay County, FL, Franklin County, FL, Gulf County, FL, Walton County, FL

The radar

The Eglin Afb radar (KEVX), 64 km from the middle of the area, began a volume at 10:46 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 00:00Z, 10.7 hours before the alert went out and 116 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: 0 J/kg
Mixed-layer CIN: No buoyant parcel
Mixed-layer LCL: 2046 m above ground
0-6 km bulk shear: 60 kt
0-1 km storm-relative helicity: 221 m²/s²
0-3 km storm-relative helicity: 325 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

The text

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

999
WHUS42 KTAE 161040
CFWTAE

URGENT - IMMEDIATE BROADCAST REQUESTED
COASTAL HAZARD MESSAGE
NATIONAL WEATHER SERVICE TALLAHASSEE FL
540 AM EST THU DEC 16 2010

...THERE IS A HIGH RISK OF RIP CURRENTS TODAY ALONG THE BEACHES OF 
THE FLORIDA PANHANDLE...

.MODERATE SURF COMBINED WITH MODERATE TO FRESH ONSHORE WINDS WILL
LEAD TO STRONG RIP CURRENTS TODAY.

FLZ108-112-114-115-162300-
/O.NEW.KTAE.RP.S.0009.101216T1040Z-101216T2300Z/
SOUTH WALTON-COASTAL BAY-COASTAL GULF-COASTAL FRANKLIN-
540 AM EST THU DEC 16 2010 /440 AM CST THU DEC 16 2010/

...RIP CURRENT RISK IN EFFECT THROUGH EARLY THIS AFTERNOON...

WIND AND SURF CONDITIONS SUPPORT DANGEROUS RIP CURRENTS TODAY.
RIP CURRENTS ARE LIFE THREATENING TO ANYONE ENTERING THE WATER.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

THERE IS A HIGH RISK OF RIP CURRENTS. RIP CURRENTS ARE POWERFUL
CHANNELS OF WATER FLOWING QUICKLY AWAY FROM SHORE...WHICH OCCUR
MOST OFTEN AT LOW SPOTS OR BREAKS IN THE SANDBAR AND IN THE
VICINITY OF STRUCTURES SUCH AS GROINS...JETTIES AND PIERS. HEED
THE ADVICE OF LIFEGUARDS AND THE BEACH PATROL. PAY ATTENTION TO
FLAGS AND POSTED SIGNS. IF YOU BECOME CAUGHT IN A RIP CURRENT...DO
NOT PANIC. REMAIN CALM AND BEGIN TO SWIM PARALLEL TO SHORE. ONCE
YOU ARE AWAY FROM THE FORCE OF THE RIP CURRENT...BEGIN TO SWIM
BACK TO THE BEACH. DO NOT ATTEMPT TO SWIM DIRECTLY AGAINST A RIP
CURRENT. EVEN A STRONG SWIMMER CAN BECOME EXHAUSTED QUICKLY.

$$

The office that day

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

Issued	Product	Office	Counties	Lasted
Dec 15, 8:31 PM CST	Small Craft Advisory	TAE		30 hr

Nearby

Rip Current Statements in Florida, 2010 Every rip current statement in 2010

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.