Alert archive / Florida / Severe Thunderstorm Warnings in 2016

Severe Thunderstorm Warning 153, NWS Jacksonville, FL

July 24, 2016Suwannee County, Florida

NWS Jacksonville, FL issued this severe thunderstorm warning at Jul 24, 2016, 9:29 PM EDT for Suwannee County, Florida. It was in force for 46 min. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued: Jul 24, 2016, 9:29 PM EDT (01:29 UTC)
Expired: Jul 24, 2016, 10:15 PM EDT
In force: 46 min
Issued by: NWS Jacksonville, FL
Area: Storm-based polygon
Hail: 1.0 in
Wind: 60.0 mph

County Suwannee County, FL

The radar

The Moody AFB radar (KVAX), 77 km from the middle of the area, began a volume at 01:28 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, 1.5 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: 1404 J/kg
Mixed-layer CIN: -22 J/kg
Mixed-layer LCL: 1260 m above ground
0-6 km bulk shear: 21 kt
0-1 km storm-relative helicity: -8 m²/s²
0-3 km storm-relative helicity: 17 m²/s²
Significant tornado parameter: 0.0
Supercell composite: -0.5

Open this sounding in Storm Lab

What forecasters said that day

The local office's own words before this severe thunderstorm warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

NWS Jacksonville, FL wrote its last area forecast discussion before this severe thunderstorm warning went out at Jul 24, 8:53 PM EDT, 36 minutes earlier.

Area forecast discussion, Jul 24, 8:53 PM EDT, 36 minutes before

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Hazardous weather outlook, Jul 24, 9:18 PM EDT, 11 minutes before

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In the hours before

Special weather statement, Jul 24, 6:39 PM EDT, 2 hours 50 minutes before

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE JACKSONVILLE FL
639 PM EDT SUN JUL 24 2016

GAZ150-163-164-242330-
CLINCH GA-CHARLTON GA-WARE GA-
639 PM EDT SUN JUL 24 2016

...SIGNIFICANT WEATHER ADVISORY FOR CENTRAL CLINCH...CENTRAL WARE AND
NORTHWESTERN CHARLTON COUNTIES UNTIL 730 PM EDT...

AT 639 PM EDT...DOPPLER RADAR WAS TRACKING A STRONG THUNDERSTORM NEAR
STEPHEN FOSTER STATE PARK...MOVING WEST AT 20 MPH.

HAIL UP TO NICKEL SIZE IN DIAMETER AND GUSTY WINDS OF 45 TO 55 MPH
CAN BE EXPECTED ALONG WITH POSSIBLE MINOR DAMAGE.

LOCATIONS IMPACTED INCLUDE...
HOMERVILLE AND ARGYLE.

PRECAUTIONARY/PREPAREDNESS ACTIONS...
REPORT DAMAGE TO THE NEAREST LAW ENFORCEMENT AGENCY OR YOUR COUNTY
EMERGENCY MANAGEMENT.

LAT...LON 3113 8274 3103 8226 3076 8237 3073 8273
      3073 8277 3074 8280 3075 8281 3077 8281
      3078 8283
TIME...MOT...LOC 2239Z 102DEG 18KT 3087 8243

STRUBLE

Special weather statement, Jul 24, 6:46 PM EDT, 2 hours 43 minutes before

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE JACKSONVILLE FL
646 PM EDT SUN JUL 24 2016

FLZ040-242300-
MARION FL-
646 PM EDT SUN JUL 24 2016

...SIGNIFICANT WEATHER ADVISORY FOR WEST CENTRAL MARION COUNTY UNTIL
700 PM EDT...

AT 646 PM EDT...DOPPLER RADAR WAS TRACKING A STRONG THUNDERSTORM OVER
RAINBOW LAKES ESTATES...MOVING NORTHWEST AT 30 MPH.

HAIL UP TO NICKEL SIZE IN DIAMETER AND GUSTY WINDS OF 45 TO 55 MPH
CAN BE EXPECTED ALONG WITH POSSIBLE MINOR DAMAGE.

LOCATIONS IMPACTED INCLUDE...
RAINBOW LAKES ESTATES...DUNNELLON AND ROMEO.

PRECAUTIONARY/PREPAREDNESS ACTIONS...
REPORT DAMAGE TO THE NEAREST LAW ENFORCEMENT AGENCY OR YOUR COUNTY
EMERGENCY MANAGEMENT.

LAT...LON 2905 8246 2905 8249 2904 8251 2906 8254
      2921 8254 2922 8240 2923 8240 2913 8232
      2903 8244
TIME...MOT...LOC 2246Z 138DEG 25KT 2913 8246

STRUBLE

Special weather statement, Jul 24, 7:57 PM EDT, 1 hour 32 minutes before

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE JACKSONVILLE FL
757 PM EDT SUN JUL 24 2016

FLZ035-250045-
GILCHRIST FL-
757 PM EDT SUN JUL 24 2016

...SIGNIFICANT WEATHER ADVISORY FOR GILCHRIST COUNTY UNTIL 845 PM
EDT...

AT 757 PM EDT...DOPPLER RADAR WAS TRACKING A STRONG THUNDERSTORM NEAR
TRENTON...MOVING NORTH AT 20 MPH.

HAIL UP TO NICKEL SIZE IN DIAMETER AND GUSTY WINDS OF 45 TO 55 MPH
CAN BE EXPECTED ALONG WITH POSSIBLE MINOR DAMAGE.

LOCATIONS IMPACTED INCLUDE...
TRENTON...BELL...FANNING SPRINGS AND GUARANTO SPRINGS.

PRECAUTIONARY/PREPAREDNESS ACTIONS...
REPORT DAMAGE TO THE NEAREST LAW ENFORCEMENT AGENCY OR YOUR COUNTY
EMERGENCY MANAGEMENT.

LAT...LON 2970 8296 2970 8294 2972 8296 2972 8294
      2977 8295 2980 8292 2981 8293 2983 8289
      2991 8287 2993 8281 2993 8277 2990 8277
      2985 8272 2971 8266 2956 8266 2956 8275
      2958 8278 2959 8286 2959 8296 2963 8297
TIME...MOT...LOC 2357Z 170DEG 15KT 2964 8286

STRUBLE

Special weather statement, Jul 24, 8:02 PM EDT, 1 hour 27 minutes before

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE JACKSONVILLE FL
802 PM EDT SUN JUL 24 2016

FLZ020-021-GAZ162-250030-
HAMILTON FL-SUWANNEE FL-ECHOLS GA-
802 PM EDT SUN JUL 24 2016

...SIGNIFICANT WEATHER ADVISORY FOR NORTH CENTRAL SUWANNEE...
NORTHWESTERN HAMILTON AND SOUTHWESTERN ECHOLS COUNTIES UNTIL 830 PM
EDT...

AT 802 PM EDT...DOPPLER RADAR WAS TRACKING A STRONG THUNDERSTORM NEAR
SUWANNEE RIVER STATE PARK...MOVING NORTHWEST AT 30 MPH.

HAIL UP TO NICKEL SIZE IN DIAMETER AND GUSTY WINDS OF 45 TO 55 MPH
CAN BE EXPECTED ALONG WITH POSSIBLE MINOR DAMAGE.

LOCATIONS IMPACTED INCLUDE...
JASPER...JENNINGS...SUWANNEE RIVER STATE PARK...BLUE SPRINGS AND
CROSSROADS.

PRECAUTIONARY/PREPAREDNESS ACTIONS...
REPORT DAMAGE TO THE NEAREST LAW ENFORCEMENT AGENCY OR YOUR COUNTY
EMERGENCY MANAGEMENT.

LAT...LON 3063 8314 3079 8313 3080 8312 3081 8310
      3082 8310 3083 8309 3043 8295 3031 8310
      3038 8319 3039 8317 3041 8318 3042 8322
      3046 8322 3047 8324 3052 8324 3055 8326
      3059 8326 3063 8327
TIME...MOT...LOC 0002Z 136DEG 24KT 3043 8309

STRUBLE

Special weather statement, Jul 24, 8:11 PM EDT, 1 hour 18 minutes before

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE JACKSONVILLE FL
811 PM EDT SUN JUL 24 2016

FLZ020>022-250045-
COLUMBIA FL-HAMILTON FL-SUWANNEE FL-
811 PM EDT SUN JUL 24 2016

...SIGNIFICANT WEATHER ADVISORY FOR WEST CENTRAL COLUMBIA...NORTHERN
SUWANNEE AND SOUTHEASTERN HAMILTON COUNTIES UNTIL 845 PM EDT...

AT 811 PM EDT...DOPPLER RADAR WAS TRACKING A STRONG THUNDERSTORM NEAR
WELLBORN...OR 9 MILES WEST OF LAKE CITY...MOVING NORTHWEST AT 30 MPH.

HAIL UP TO NICKEL SIZE IN DIAMETER AND GUSTY WINDS OF 45 TO 55 MPH
CAN BE EXPECTED ALONG WITH POSSIBLE MINOR DAMAGE.

LOCATIONS IMPACTED INCLUDE...
LAKE CITY...LIVE OAK...WHITE SPRINGS...SUWANNEE SPRINGS...WELLBORN...
FIVE POINTS...MCALPIN...WINFIELD...SUWANNEE VALLEY...
WATERTOWN AND HOUSTON.

PRECAUTIONARY/PREPAREDNESS ACTIONS...
REPORT DAMAGE TO THE NEAREST LAW ENFORCEMENT AGENCY OR YOUR COUNTY
EMERGENCY MANAGEMENT.

LAT...LON 3022 8257 2998 8279 3022 8316 3047 8289
TIME...MOT...LOC 0011Z 136DEG 24KT 3014 8279

STRUBLE

Special weather statement, Jul 24, 9:19 PM EDT, 10 minutes before

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The office that day

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

Issued	Product	Office	Counties	Lasted
Jul 24, 8:02 PM EDT	Special Weather Statement	JAX	Hamilton	28 min
Jul 24, 8:11 PM EDT	Special Weather Statement	JAX	Columbia, Suwannee	34 min
Jul 24, 8:47 PM EDT	Severe Thunderstorm Warning	JAX	Hamilton, Suwannee	43 min
Jul 24, 9:19 PM EDT	Special Weather Statement	JAX	Lafayette	11 min

Nearby

Severe Thunderstorm Warnings in Florida, 2016 Every severe thunderstorm warning in 2016

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.