Alert archive / Florida / Severe Thunderstorm Warnings in 2010

Severe Thunderstorm Warning 21, NWS Tallahassee, FL

February 22, 2010Calhoun County, Liberty County, Florida

NWS Tallahassee, FL issued this severe thunderstorm warning at Feb 22, 2010, 6:30 AM CST for Calhoun County, Liberty County, Florida. It was in force for 33 min. No storm report in the archive falls inside the area while it was in force.

The area

The outline as issued.

The facts

Issued: Feb 22, 2010, 6:30 AM CST (12:30 UTC)
Expired: Feb 22, 2010, 7:03 AM CST
In force: 33 min
Issued by: NWS Tallahassee, FL
Area: Storm-based polygon

Counties Calhoun County, FL, Liberty County, FL

The radar

The Tallahassee radar (KTLH), 65 km from the middle of the area, began a volume at 12:29 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 12:00Z, 0.5 hours before the alert went out and 68 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: 230 J/kg
Mixed-layer CIN: -39 J/kg
Mixed-layer LCL: 465 m above ground
0-6 km bulk shear: 46 kt
0-1 km storm-relative helicity: 206 m²/s²
0-3 km storm-relative helicity: 236 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.2

Open this sounding in Storm Lab

The text

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

494 
WUUS52 KTAE 221230
SVRTAE
FLC013-077-221315-
/O.NEW.KTAE.SV.W.0021.100222T1230Z-100222T1315Z/

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE TALLAHASSEE FL
730 AM EST MON FEB 22 2010

THE NATIONAL WEATHER SERVICE IN TALLAHASSEE HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  LIBERTY COUNTY IN FLORIDA...
  SOUTHEASTERN CALHOUN COUNTY IN THE PANHANDLE OF FLORIDA...
  THIS INCLUDES THE CITY OF BLOUNTSTOWN...

* UNTIL 815 AM EST/715 AM CST/

* AT 625 AM CST...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM CAPABLE OF PRODUCING DAMAGING WINDS IN EXCESS
  OF 60 MPH.  THIS STORM WAS LOCATED 15 MILES SOUTHWEST OF
  BLOUNTSTOWN...AND MOVING EAST AT 40 MPH.

* THE SEVERE THUNDERSTORM WILL BE NEAR...
  MOSQUITO LANDING...ESTIFFANULGA...ORANGE AND NEW HOPE BY 635 AM
  CST...
  WOODS BY 740 AM EST...
  VILAS BY 750 AM EST...
  CLIO...TELOGIA AND LIBERTY BY 755 AM EST...

PRECAUTIONARY/PREPAREDNESS ACTIONS...

IN ADDITION TO DAMAGING WINDS...FREQUENT CLOUD TO
GROUND LIGHTNING IS OCCURRING WITH THIS STORM. MOVE INDOORS
IMMEDIATELY! LIGHTNING IS ONE OF NATURES NUMBER ONE KILLERS.
REMEMBER...IF YOU CAN HEAR THUNDER...YOU ARE CLOSE ENOUGH TO BE
STRUCK BY LIGHTNING.

RELAY REPORTS OF SEVERE WEATHER TO THE NATIONAL WEATHER SERVICE IN
TALLAHASSEE AT (8 5 0) 9 4 2 8 8 3 3. OR...YOU MAY CONTACT THE
NEAREST LAW ENFORCEMENT AGENCY OR YOUR COUNTY EMERGENCY MANAGEMENT.
THEY WILL RELAY YOUR REPORT TO THE NATIONAL WEATHER SERVICE.

&&

LAT...LON 3017 8508 3018 8508 3020 8512 3020 8524
      3045 8522 3053 8484 3047 8479 3045 8473
      3007 8474
TIME...MOT...LOC 1229Z 273DEG 35KT 3029 8511

$$

14-MROCZKA

2 follow-up statements

652 
WWUS52 KTAE 221246
SVSTAE

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE TALLAHASSEE FL
746 AM EST MON FEB 22 2010

FLC013-221254-
/O.CAN.KTAE.SV.W.0021.000000T0000Z-100222T1315Z/
CALHOUN FL-
646 AM CST MON FEB 22 2010

...THE SEVERE THUNDERSTORM WARNING FOR SOUTHEASTERN CALHOUN COUNTY IN
THE PANHANDLE OF FLORIDA IS CANCELLED...

RELAY REPORTS OF SEVERE WEATHER TO THE NATIONAL WEATHER SERVICE IN
TALLAHASSEE AT (8 5 0) 9 4 2 8 8 3 3. OR...YOU MAY CONTACT THE
NEAREST LAW ENFORCEMENT AGENCY OR YOUR COUNTY EMERGENCY MANAGEMENT.
THEY WILL RELAY YOUR REPORT TO THE NATIONAL WEATHER SERVICE.

LAT...LON 3020 8509 3021 8507 3030 8505 3031 8503
      3035 8502 3037 8501 3041 8500 3042 8497
      3043 8493 3044 8482 3044 8479 3045 8473
      3010 8476
TIME...MOT...LOC 1244Z 273DEG 35KT 3028 8494

$$

FLC077-221315-
/O.CON.KTAE.SV.W.0021.000000T0000Z-100222T1315Z/
LIBERTY FL-
746 AM EST MON FEB 22 2010

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 815 AM EST
FOR CENTRAL LIBERTY COUNTY...

AT 740 AM EST...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
INDICATE A SEVERE THUNDERSTORM CAPABLE OF PRODUCING DAMAGING WINDS IN
EXCESS OF 60 MPH.  THIS STORM WAS LOCATED NEAR ESTIFFANULGA...OR 12
MILES SOUTH OF BLOUNTSTOWN...MOVING EAST AT 40 MPH.

THE SEVERE THUNDERSTORM WILL BE NEAR...
  VILAS BY 750 AM EST...
  LIBERTY...CLIO...TELOGIA AND 8 MILES SOUTH OF HOSFORD BY 755 AM
  EST...

PRECAUTIONARY/PREPAREDNESS ACTIONS...

IN ADDITION TO  DAMAGING WINDS...SMALL HAIL IS POSSIBLE
WITH THIS STORM.

RELAY REPORTS OF SEVERE WEATHER TO THE NATIONAL WEATHER SERVICE IN
TALLAHASSEE AT (8 5 0) 9 4 2 8 8 3 3. OR...YOU MAY CONTACT THE
NEAREST LAW ENFORCEMENT AGENCY OR YOUR COUNTY EMERGENCY MANAGEMENT.
THEY WILL RELAY YOUR REPORT TO THE NATIONAL WEATHER SERVICE.

&&

LAT...LON 3020 8509 3021 8507 3030 8505 3031 8503
      3035 8502 3037 8501 3041 8500 3042 8497
      3043 8493 3044 8482 3044 8479 3045 8473
      3010 8476
TIME...MOT...LOC 1244Z 273DEG 35KT 3028 8494

$$

14-MROCZKA

340 
WWUS52 KTAE 221303
SVSTAE

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE TALLAHASSEE FL
803 AM EST MON FEB 22 2010

FLC077-221311-
/O.CAN.KTAE.SV.W.0021.000000T0000Z-100222T1315Z/
LIBERTY FL-
803 AM EST MON FEB 22 2010

...THE SEVERE THUNDERSTORM WARNING FOR CENTRAL LIBERTY COUNTY IS
CANCELLED...

NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATES THAT THE
THUNDERSTORM THAT PROMPTED THE WARNING HAS WEAKENED BELOW
SEVERE LIMITS. RESIDENTS OF EAST CENTRAL LIBERTY COUNTY CAN
STILL EXPECT TO SEE HEAVY RAINFALL...LIGHTNING AND THE
POSSIBILITY OF SMALL HAIL WITH THE PASSAGE OF THIS STORM. 

RELAY REPORTS OF SEVERE WEATHER TO THE NATIONAL WEATHER SERVICE IN
TALLAHASSEE AT (8 5 0) 9 4 2 8 8 3 3. OR...YOU MAY CONTACT THE
NEAREST LAW ENFORCEMENT AGENCY OR YOUR COUNTY EMERGENCY MANAGEMENT.
THEY WILL RELAY YOUR REPORT TO THE NATIONAL WEATHER SERVICE.

LAT...LON 3020 8509 3021 8507 3030 8505 3031 8503
      3035 8502 3037 8501 3041 8500 3042 8497
      3043 8493 3044 8482 3044 8479 3045 8473
      3010 8476
TIME...MOT...LOC 1301Z 273DEG 35KT 3027 8475

$$

14-MROCZKA

The office that day

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

Issued	Product	Office	Counties	Lasted
Feb 22, 5:14 AM CST	Severe Thunderstorm Warning	TAE	Bay, Walton, Washington	46 min
Feb 22, 7:20 AM CST	Marine Dense Fog Advisory	TAE		7 hr
Feb 22, 11:49 AM CST	Special Marine Warning	TAE		40 min
Feb 22, 12:12 PM CST	Severe Thunderstorm Warning	TAE	Dixie	33 min

Nearby

Severe Thunderstorm Warnings in Florida, 2010 Every severe thunderstorm warning 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.